From 00128e39ce08b46d0157e2f0d239bc63da79e654 Mon Sep 17 00:00:00 2001
From: Daniel Lundin <dln@arity.se>
Date: Mon, 25 Nov 2024 20:37:41 +0100
Subject: [PATCH 1/6] WIP: Initial dropshot server

---
 Cargo.lock             | 1247 +++++++++++++++++++++++++++++++++++++++-
 Cargo.toml             |    7 +
 controller/Cargo.toml  |    9 +-
 controller/src/main.rs |   58 +-
 4 files changed, 1310 insertions(+), 11 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 536f917..d4684bd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -26,6 +26,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.17"
@@ -81,6 +96,45 @@ version = "1.0.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c95c10ba0b00a02636238b814946408b1322d5ac4760326e6fb8ec956d85775"
 
+[[package]]
+name = "async-stream"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b5a71a6f37880a80d1d7f19efd781e4b5de42c88f0722cc13bcb6cc2cfe8476"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7c24de15d275a1ecfd47a380fb4d5ec9bfe0933f309ed5e705b775596a3574d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "async-trait"
+version = "0.1.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "721cae7de5c34fbb2acd27e21e6d2cf7b886dce0c27388d46c4e6c47ea4318dd"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -102,24 +156,76 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
 [[package]]
 name = "bitflags"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "bumpalo"
+version = "3.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+
 [[package]]
 name = "bytes"
 version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ac0150caa2ae65ca5bd83f25c7de183dea78d4d366469f148435e2acfbad0da"
 
+[[package]]
+name = "camino"
+version = "1.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b96ec4966b5813e2c0507c1f86115c8c5abaadc3980879c3424042a02fd1ad3"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "cc"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd9de9f2205d5ef3fd67e685b0df337994ddd4495e2a28d185500d0e1edfea47"
+dependencies = [
+ "shlex",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "num-traits",
+ "serde",
+ "windows-targets",
+]
+
 [[package]]
 name = "clap"
 version = "4.5.21"
@@ -167,6 +273,178 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
 
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
+[[package]]
+name = "cpufeatures"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16b80225097f2e5ae4e7179dd2266824648f3e2f49d9134d584b76389d31c4c3"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crossbeam-channel"
+version = "0.5.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33480d6946193aa8033910124896ca395333cae7e2d1113d1fef6c3272217df2"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80"
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "debug-ignore"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffe7ed1d93f4553003e20b629abe9085e1e81b1429520f897f8f8860bc6dfc21"
+
+[[package]]
+name = "deranged"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
+dependencies = [
+ "powerfmt",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
+[[package]]
+name = "dirs-next"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
+[[package]]
+name = "dirs-sys-next"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
+[[package]]
+name = "dropshot"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50976b6bac0894e689bb8ce0e2e5892dfeedb0876408bc806f0582d81824a3b5"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "base64",
+ "bytes",
+ "camino",
+ "chrono",
+ "debug-ignore",
+ "dropshot_endpoint",
+ "form_urlencoded",
+ "futures",
+ "hostname 0.4.0",
+ "http",
+ "http-body-util",
+ "hyper",
+ "hyper-util",
+ "indexmap",
+ "multer",
+ "openapiv3",
+ "paste",
+ "percent-encoding",
+ "rustls",
+ "rustls-pemfile",
+ "schemars",
+ "scopeguard",
+ "semver",
+ "serde",
+ "serde_json",
+ "serde_path_to_error",
+ "serde_urlencoded",
+ "sha1",
+ "slog",
+ "slog-async",
+ "slog-bunyan",
+ "slog-json",
+ "slog-term",
+ "thiserror",
+ "tokio",
+ "tokio-rustls",
+ "toml",
+ "uuid",
+ "version_check",
+ "waitgroup",
+]
+
+[[package]]
+name = "dropshot_endpoint"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8371ca3d0ecdd13df8a00acb66312633fc66a5e412076ccbc414238536f8290"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "semver",
+ "serde",
+ "serde_tokenstream",
+ "syn",
+]
+
+[[package]]
+name = "dyn-clone"
+version = "1.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d6ef0072f8a535281e4876be788938b528e9a1d43900b82c2569af7da799125"
+
+[[package]]
+name = "encoding_rs"
+version = "0.8.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75030f3c4f45dafd7586dd6780965a8c7e8e285a5ecb86713e63a79c5b2766f3"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.3.9"
@@ -177,12 +455,162 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "form_urlencoded"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e13624c2627564efccf4934284bdd98cbaa14e79b0b5a141218e507b3a823456"
+dependencies = [
+ "percent-encoding",
+]
+
+[[package]]
+name = "futures"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
+
+[[package]]
+name = "futures-executor"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e575fab7d1e0dcb8d0c7bcf9a63ee213816ab51902e6d244a95819acacf1d4f7"
+
+[[package]]
+name = "futures-task"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f90f7dce0722e95104fcb095585910c0977252f286e354b5e3bd38902cd99988"
+
+[[package]]
+name = "futures-util"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
 [[package]]
 name = "gimli"
 version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
+[[package]]
+name = "h2"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccae279728d634d083c00f6099cb58f01cc99c145b84b8be2f6c74618d79922e"
+dependencies = [
+ "atomic-waker",
+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "http",
+ "indexmap",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -195,6 +623,165 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
+[[package]]
+name = "hermit-abi"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbf6a919d6cf397374f7dfeeea91d974c7c0a7221d0d0f4f20d859d329e53fcc"
+
+[[package]]
+name = "hostname"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c731c3e10504cc8ed35cfe2f1db4c9274c3d35fa486e3b31df46f068ef3e867"
+dependencies = [
+ "libc",
+ "match_cfg",
+ "winapi",
+]
+
+[[package]]
+name = "hostname"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9c7c7c8ac16c798734b8a24560c1362120597c40d5e1459f09498f8f6c8f2ba"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "windows",
+]
+
+[[package]]
+name = "http"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
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+ "itoa",
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+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
+dependencies = [
+ "bytes",
+ "http",
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+
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+dependencies = [
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "httparse"
+version = "1.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d71d3574edd2771538b901e6549113b4006ece66150fb69c0fb6d9a2adae946"
+
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+
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+checksum = "97818827ef4f364230e16705d4706e2897df2bb60617d6ca15d598025a3c481f"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "smallvec",
+ "tokio",
+ "want",
+]
+
+[[package]]
+name = "hyper-util"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "pin-project-lite",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
+]
+
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+name = "iana-time-zone"
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+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+ "serde",
+]
+
+[[package]]
+name = "is-terminal"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "261f68e344040fbd0edea105bef17c66edf46f984ddb1115b775ce31be948f4b"
+dependencies = [
+ "hermit-abi 0.4.0",
+ "libc",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.1"
@@ -207,6 +794,15 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
+[[package]]
+name = "js-sys"
+version = "0.3.72"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a88f1bda2bd75b0452a14784937d796722fdebfe50df998aeb3f0b7603019a9"
+dependencies = [
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -219,6 +815,16 @@ version = "0.2.161"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8e9489c2807c139ffd9c1794f4af0ebe86a828db53ecdc7fea2111d0fed085d1"
 
+[[package]]
+name = "libredox"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0ff37bd590ca25063e35af745c343cb7a0271906fb7b37e4813e8f79f00268d"
+dependencies = [
+ "bitflags",
+ "libc",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.14"
@@ -241,6 +847,12 @@ version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
+[[package]]
+name = "match_cfg"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffbee8634e0d45d258acb448e7eaab3fce7a0a467395d4d9f228e3c1f01fb2e4"
+
 [[package]]
 name = "matchers"
 version = "0.1.0"
@@ -256,6 +868,12 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "mime"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.0"
@@ -271,12 +889,29 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "80e04d1dcff3aae0704555fe5fee3bcfaf3d1fdf8a7e521d5b9d2b42acb52cec"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.3.9",
  "libc",
  "wasi",
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "multer"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83e87776546dc87511aa5ee218730c92b666d7264ab6ed41f9d215af9cd5224b"
+dependencies = [
+ "bytes",
+ "encoding_rs",
+ "futures-util",
+ "http",
+ "httparse",
+ "memchr",
+ "mime",
+ "spin",
+ "version_check",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -287,6 +922,30 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "num_threads"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c7398b9c8b70908f6371f47ed36737907c87c52af34c268fed0bf0ceb92ead9"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "object"
 version = "0.36.5"
@@ -302,6 +961,17 @@ version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
+[[package]]
+name = "openapiv3"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc02deea53ffe807708244e5914f6b099ad7015a207ee24317c22112e17d9c5c"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "overload"
 version = "0.1.1"
@@ -331,6 +1001,12 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
 [[package]]
 name = "patagia-agent"
 version = "0.1.0"
@@ -349,18 +1025,43 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "clap",
+ "dropshot",
+ "http",
+ "schemars",
+ "serde",
+ "slog",
+ "slog-async",
  "tokio",
  "tracing",
  "tracing-chrome",
+ "tracing-slog",
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "percent-encoding"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff"
 
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.89"
@@ -388,6 +1089,17 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
+dependencies = [
+ "getrandom",
+ "libredox",
+ "thiserror",
+]
+
 [[package]]
 name = "regex"
 version = "1.11.0"
@@ -432,6 +1144,21 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
+[[package]]
+name = "ring"
+version = "0.17.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c17fa4cb658e3583423e915b9f3acc01cceaee1860e33d59ebae66adc3a2dc0d"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "getrandom",
+ "libc",
+ "spin",
+ "untrusted",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.24"
@@ -451,12 +1178,83 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.22.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf4ef73721ac7bcd79b2b315da7779d8fc09718c6b3d2d1b2d94850eb8c18432"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-pki-types",
+ "rustls-webpki",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "rustls-pemfile"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dce314e5fee3f39953d46bb63bb8a46d40c2f8fb7cc5a3b6cab2bde9721d6e50"
+dependencies = [
+ "rustls-pki-types",
+]
+
+[[package]]
+name = "rustls-pki-types"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16f1201b3c9a7ee8039bcadc17b7e605e2945b27eee7631788c1bd2b0643674b"
+
+[[package]]
+name = "rustls-webpki"
+version = "0.102.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64ca1bc8749bd4cf37b5ce386cc146580777b4e8572c7b97baf22c83f444bee9"
+dependencies = [
+ "ring",
+ "rustls-pki-types",
+ "untrusted",
+]
+
+[[package]]
+name = "rustversion"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e819f2bc632f285be6d7cd36e25940d45b2391dd6d9b939e79de557f7014248"
+
 [[package]]
 name = "ryu"
 version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
 
+[[package]]
+name = "schemars"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09c024468a378b7e36765cd36702b7a90cc3cba11654f6685c8f233408e89e92"
+dependencies = [
+ "dyn-clone",
+ "schemars_derive",
+ "serde",
+ "serde_json",
+ "uuid",
+]
+
+[[package]]
+name = "schemars_derive"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1eee588578aff73f856ab961cd2f79e36bc45d7ded33a7562adba4667aecc0e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde_derive_internals",
+ "syn",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -464,19 +1262,36 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
-name = "serde"
-version = "1.0.211"
+name = "semver"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ac55e59090389fb9f0dd9e0f3c09615afed1d19094284d0b200441f13550793"
+checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+
+[[package]]
+name = "serde"
+version = "1.0.215"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6513c1ad0b11a9376da888e3e0baa0077f1aed55c17f50e7b2397136129fb88f"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.211"
+version = "1.0.215"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54be4f245ce16bc58d57ef2716271d0d4519e0f6defa147f6e081005bcb278ff"
+checksum = "ad1e866f866923f252f05c889987993144fb74e722403468a4ebd70c3cd756c0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_derive_internals"
+version = "0.29.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18d26a20a969b9e3fdf2fc2d9f21eda6c40e2de84c9408bb5d3b05d499aae711"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -495,6 +1310,60 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_path_to_error"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af99884400da37c88f5e9146b7f1fd0fbcae8f6eec4e9da38b67d05486f814a6"
+dependencies = [
+ "itoa",
+ "serde",
+]
+
+[[package]]
+name = "serde_spanned"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87607cb1398ed59d48732e575a4c28a7a8ebf2454b964fe3f224f2afc07909e1"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "serde_tokenstream"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64060d864397305347a78851c51588fd283767e7e7589829e8121d65512340f1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "syn",
+]
+
+[[package]]
+name = "serde_urlencoded"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "sha1"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.7"
@@ -504,6 +1373,12 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.2"
@@ -513,6 +1388,70 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "slab"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "slog"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8347046d4ebd943127157b94d63abb990fcf729dc4e9978927fdf4ac3c998d06"
+
+[[package]]
+name = "slog-async"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72c8038f898a2c79507940990f05386455b3a317d8f18d4caea7cbc3d5096b84"
+dependencies = [
+ "crossbeam-channel",
+ "slog",
+ "take_mut",
+ "thread_local",
+]
+
+[[package]]
+name = "slog-bunyan"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcaaf6e68789d3f0411f1e72bc443214ef252a1038b6e344836e50442541f190"
+dependencies = [
+ "hostname 0.3.1",
+ "slog",
+ "slog-json",
+ "time",
+]
+
+[[package]]
+name = "slog-json"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e1e53f61af1e3c8b852eef0a9dee29008f55d6dd63794f3f12cef786cf0f219"
+dependencies = [
+ "serde",
+ "serde_json",
+ "slog",
+ "time",
+]
+
+[[package]]
+name = "slog-term"
+version = "2.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6e022d0b998abfe5c3782c1f03551a596269450ccd677ea51c56f8b214610e8"
+dependencies = [
+ "is-terminal",
+ "slog",
+ "term",
+ "thread_local",
+ "time",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.13.2"
@@ -529,12 +1468,24 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
 [[package]]
 name = "strsim"
 version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
+[[package]]
+name = "subtle"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
+
 [[package]]
 name = "syn"
 version = "2.0.87"
@@ -546,6 +1497,23 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "take_mut"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
+
+[[package]]
+name = "term"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
+dependencies = [
+ "dirs-next",
+ "rustversion",
+ "winapi",
+]
+
 [[package]]
 name = "terminal_size"
 version = "0.4.0"
@@ -556,6 +1524,26 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.1.8"
@@ -566,6 +1554,39 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
+dependencies = [
+ "deranged",
+ "itoa",
+ "libc",
+ "num-conv",
+ "num_threads",
+ "powerfmt",
+ "serde",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
+
+[[package]]
+name = "time-macros"
+version = "0.2.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f252a68540fde3a3877aeea552b832b40ab9a69e318efd078774a01ddee1ccf"
+dependencies = [
+ "num-conv",
+ "time-core",
+]
+
 [[package]]
 name = "tokio"
 version = "1.41.1"
@@ -595,6 +1616,70 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "775e0c0f0adb3a2f22a00c4745d728b479985fc15ee7ca6a2608388c5569860f"
+dependencies = [
+ "rustls",
+ "rustls-pki-types",
+ "tokio",
+]
+
+[[package]]
+name = "tokio-util"
+version = "0.7.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61e7c3654c13bcd040d4a03abee2c75b1d14a37b423cf5a813ceae1cc903ec6a"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+]
+
+[[package]]
+name = "toml"
+version = "0.8.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1ed1f98e3fdc28d6d910e6737ae6ab1a93bf1985935a1193e68f93eeb68d24e"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.22.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "winnow",
+]
+
+[[package]]
+name = "tower-service"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
+
 [[package]]
 name = "tracing"
 version = "0.1.40"
@@ -649,6 +1734,15 @@ dependencies = [
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-slog"
+version = "0.2.0-kv"
+source = "git+https://github.com/oxidecomputer/tracing-slog#71e0ca88fad448801b567d5f63ba7d7b01eca1f1"
+dependencies = [
+ "slog",
+ "tracing-core",
+]
+
 [[package]]
 name = "tracing-subscriber"
 version = "0.3.18"
@@ -667,30 +1761,137 @@ dependencies = [
  "tracing-log",
 ]
 
+[[package]]
+name = "try-lock"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
+
+[[package]]
+name = "typenum"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
 
+[[package]]
+name = "untrusted"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
+
 [[package]]
 name = "utf8parse"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "uuid"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8c5f0a0af699448548ad1a2fbf920fb4bee257eae39953ba95cb84891a0446a"
+dependencies = [
+ "getrandom",
+ "serde",
+]
+
 [[package]]
 name = "valuable"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
+[[package]]
+name = "waitgroup"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1f50000a783467e6c0200f9d10642f4bc424e39efc1b770203e88b488f79292"
+dependencies = [
+ "atomic-waker",
+]
+
+[[package]]
+name = "want"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
+dependencies = [
+ "try-lock",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "128d1e363af62632b8eb57219c8fd7877144af57558fb2ef0368d0087bddeb2e"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb6dd4d3ca0ddffd1dd1c9c04f94b868c37ff5fac97c30b97cff2d74fce3a358"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e79384be7f8f5a9dd5d7167216f022090cf1f9ec128e6e6a482a2cb5c5422c56"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26c6ab57572f7a24a4985830b120de1594465e5d500f24afe89e16b4e833ef68"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -713,6 +1914,25 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e48a53791691ab099e5e2ad123536d0fff50652600abaf43bbf952894110d0be"
+dependencies = [
+ "windows-core",
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-core"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
@@ -794,3 +2014,18 @@ name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "winnow"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36c1fec1a2bb5866f07c25f68c26e565c4c200aebb96d7e55710c19d3e8ac49b"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
diff --git a/Cargo.toml b/Cargo.toml
index bf42530..5021aa1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,9 +20,16 @@ clap = { version = "4.5.21", features = [
   "wrap_help",
   "string",
 ] }
+dropshot = "0.13.0"
+http = "1.1.0"
+schemars = "0.8.21"
+serde = "1.0.215"
+slog = "2.7.0"
+slog-async = "2.8.0"
 tokio = { version = "1.41.1", features = ["full"] }
 tracing = "0.1.40"
 tracing-chrome = "0.7.2"
+tracing-slog = { git = "https://github.com/oxidecomputer/tracing-slog", default-features = false }
 tracing-subscriber = { version = "0.3.18", default-features = false, features = [
   "std",
   "ansi",
diff --git a/controller/Cargo.toml b/controller/Cargo.toml
index 7022041..2f78e78 100644
--- a/controller/Cargo.toml
+++ b/controller/Cargo.toml
@@ -7,10 +7,17 @@ license = "MPL-2.0"
 [dependencies]
 anyhow.workspace = true
 clap.workspace = true
+dropshot.workspace = true
+http.workspace = true
+schemars.workspace = true
+serde.workspace = true
+slog.workspace = true
+slog-async.workspace = true
 tokio.workspace = true
-tracing.workspace = true
 tracing-chrome.workspace = true
 tracing-subscriber.workspace = true
+tracing.workspace = true
+tracing-slog.workspace = true
 
 [[bin]]
 name = "patagia-controller"
diff --git a/controller/src/main.rs b/controller/src/main.rs
index 4c9018a..ed4a430 100644
--- a/controller/src/main.rs
+++ b/controller/src/main.rs
@@ -1,17 +1,61 @@
 use anyhow::Result;
 use clap::Parser;
-use tokio::time::{sleep, Duration};
+use dropshot::endpoint;
+use dropshot::ApiDescription;
+use dropshot::ConfigDropshot;
+use dropshot::HttpError;
+use dropshot::HttpResponseOk;
+use dropshot::RequestContext;
+use dropshot::ServerBuilder;
+use schemars::JsonSchema;
+use serde::Serialize;
+use slog::Drain;
+use tracing_slog::TracingSlogDrain;
 use tracing_subscriber::prelude::*;
 
+use std::net::SocketAddr;
+use std::str::FromStr;
+use std::sync::Arc;
+
 #[derive(Parser, Debug)]
 #[command(version, about, long_about = None)]
 struct Cli {}
 
+/// Represents a project in our API.
+#[derive(Serialize, JsonSchema)]
+struct VersionInfo {
+    /// Name of the project.
+    name: String,
+}
+
+/// Fetch version info.
+#[endpoint {
+    method = GET,
+    path = "/version",
+}]
+async fn api_version(rqctx: RequestContext<Arc<()>>) -> Result<HttpResponseOk<VersionInfo>, HttpError> {
+    let ver = VersionInfo {
+        name: String::from("patagia-controller"),
+    };
+    Ok(HttpResponseOk(ver))
+}
+
 #[tokio::main]
-async fn main() -> Result<()> {
+async fn main() -> Result<(), String> {
     let _args = Cli::parse();
     let fmt_layer = tracing_subscriber::fmt::layer();
 
+    let mut config_dropshot = ConfigDropshot::default();
+    config_dropshot.bind_address = SocketAddr::from_str("0.0.0.0:9474").unwrap();
+    config_dropshot.request_body_max_bytes = 1024 * 1024;
+
+    // Adapt the Dropshot logger to tracing
+    let dropshot_logger = {
+        let level_drain = slog::LevelFilter(TracingSlogDrain, slog::Level::Debug).fuse();
+        let async_drain = slog_async::Async::new(level_drain).build().fuse();
+        slog::Logger::root(async_drain, slog::o!())
+    };
+
     tracing_subscriber::registry()
         .with(tracing_subscriber::EnvFilter::from_default_env())
         .with(fmt_layer)
@@ -19,6 +63,12 @@ async fn main() -> Result<()> {
 
     tracing::info!("Patagia Controller");
 
-    sleep(Duration::from_secs(3)).await;
-    Ok(())
+    let mut api = ApiDescription::new();
+    api.register(api_version).map_err(|e| e.to_string())?;
+
+    let server = ServerBuilder::new(api, Arc::new(()), dropshot_logger)
+        .config(config_dropshot)
+        .start()
+        .map_err(|e| e.to_string())?;
+    server.await
 }

From a6115128c31c8be43cbe15fc97a0ccf1bef05501 Mon Sep 17 00:00:00 2001
From: Daniel Lundin <dln@arity.se>
Date: Tue, 26 Nov 2024 12:42:45 +0100
Subject: [PATCH 2/6] WIP: Add otel tracing

---
 Cargo.lock             | 438 ++++++++++++++++++++++++++++++++++++++++-
 controller/Cargo.toml  |   5 +
 controller/src/main.rs |  64 +++++-
 3 files changed, 500 insertions(+), 7 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index d4684bd..365e1ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -141,6 +141,53 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
+[[package]]
+name = "axum"
+version = "0.7.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edca88bc138befd0323b20752846e6587272d3b03b0343c8ea28a6f819e6e71f"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper 1.0.2",
+ "tower 0.5.1",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09f2bd6146b97ae3359fa0cc6d6b376d9539582c7b4220f041a33ec24c226199"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "mime",
+ "pin-project-lite",
+ "rustversion",
+ "sync_wrapper 1.0.2",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.74"
@@ -183,6 +230,12 @@ version = "3.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.8.0"
@@ -380,7 +433,7 @@ dependencies = [
  "http-body-util",
  "hyper",
  "hyper-util",
- "indexmap",
+ "indexmap 2.6.0",
  "multer",
  "openapiv3",
  "paste",
@@ -430,6 +483,12 @@ version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d6ef0072f8a535281e4876be788938b528e9a1d43900b82c2569af7da799125"
 
+[[package]]
+name = "either"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.35"
@@ -586,6 +645,12 @@ version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
 [[package]]
 name = "h2"
 version = "0.4.7"
@@ -598,13 +663,19 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "http",
- "indexmap",
+ "indexmap 2.6.0",
  "slab",
  "tokio",
  "tokio-util",
  "tracing",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
 [[package]]
 name = "hashbrown"
 version = "0.15.2"
@@ -718,6 +789,19 @@ dependencies = [
  "want",
 ]
 
+[[package]]
+name = "hyper-timeout"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b90d566bffbce6a75bd8b09a05aa8c2cb1fabb6cb348f8840c9e4c90a0d83b0"
+dependencies = [
+ "hyper",
+ "hyper-util",
+ "pin-project-lite",
+ "tokio",
+ "tower-service",
+]
+
 [[package]]
 name = "hyper-util"
 version = "0.1.10"
@@ -760,6 +844,16 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "indexmap"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown 0.12.3",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.6.0"
@@ -767,7 +861,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.15.2",
  "serde",
 ]
 
@@ -788,6 +882,15 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
+[[package]]
+name = "itertools"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.11"
@@ -862,6 +965,12 @@ dependencies = [
  "regex-automata 0.1.10",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -967,11 +1076,101 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cc02deea53ffe807708244e5914f6b099ad7015a207ee24317c22112e17d9c5c"
 dependencies = [
- "indexmap",
+ "indexmap 2.6.0",
  "serde",
  "serde_json",
 ]
 
+[[package]]
+name = "opentelemetry"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f3cebff57f7dbd1255b44d8bddc2cebeb0ea677dbaa2e25a3070a91b318f660"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "js-sys",
+ "once_cell",
+ "pin-project-lite",
+ "thiserror",
+]
+
+[[package]]
+name = "opentelemetry-http"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10a8a7f5f6ba7c1b286c2fbca0454eaba116f63bbe69ed250b642d36fbb04d80"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "http",
+ "http-body-util",
+ "hyper",
+ "hyper-util",
+ "opentelemetry",
+ "tokio",
+]
+
+[[package]]
+name = "opentelemetry-otlp"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91cf61a1868dacc576bf2b2a1c3e9ab150af7272909e80085c3173384fe11f76"
+dependencies = [
+ "async-trait",
+ "futures-core",
+ "http",
+ "opentelemetry",
+ "opentelemetry-http",
+ "opentelemetry-proto",
+ "opentelemetry_sdk",
+ "prost",
+ "thiserror",
+ "tokio",
+ "tonic",
+ "tracing",
+]
+
+[[package]]
+name = "opentelemetry-proto"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6e05acbfada5ec79023c85368af14abd0b307c015e9064d249b2a950ef459a6"
+dependencies = [
+ "opentelemetry",
+ "opentelemetry_sdk",
+ "prost",
+ "tonic",
+]
+
+[[package]]
+name = "opentelemetry-semantic-conventions"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc1b6902ff63b32ef6c489e8048c5e253e2e4a803ea3ea7e783914536eb15c52"
+
+[[package]]
+name = "opentelemetry_sdk"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27b742c1cae4693792cc564e58d75a2a0ba29421a34a85b50da92efa89ecb2bc"
+dependencies = [
+ "async-trait",
+ "futures-channel",
+ "futures-executor",
+ "futures-util",
+ "glob",
+ "once_cell",
+ "opentelemetry",
+ "percent-encoding",
+ "rand",
+ "serde_json",
+ "thiserror",
+ "tokio",
+ "tokio-stream",
+ "tracing",
+]
+
 [[package]]
 name = "overload"
 version = "0.1.1"
@@ -1027,6 +1226,10 @@ dependencies = [
  "clap",
  "dropshot",
  "http",
+ "opentelemetry",
+ "opentelemetry-otlp",
+ "opentelemetry-semantic-conventions",
+ "opentelemetry_sdk",
  "schemars",
  "serde",
  "slog",
@@ -1034,6 +1237,7 @@ dependencies = [
  "tokio",
  "tracing",
  "tracing-chrome",
+ "tracing-opentelemetry",
  "tracing-slog",
  "tracing-subscriber",
 ]
@@ -1044,6 +1248,26 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
+[[package]]
+name = "pin-project"
+version = "1.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be57f64e946e500c8ee36ef6331845d40a93055567ec57e8fae13efd33759b95"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c0f5fad0874fc7abcd4d750e76917eaebbecaa2c20bde22e1dbeeba8beb758c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.15"
@@ -1062,6 +1286,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
+dependencies = [
+ "zerocopy",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.89"
@@ -1071,6 +1304,29 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "prost"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b0487d90e047de87f984913713b85c601c05609aad5b0df4b4573fbf69aa13f"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9552f850d5f0964a4e4d0bf306459ac29323ddfbae05e35a7c0d35cb0803cc5"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.37"
@@ -1080,6 +1336,36 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.7"
@@ -1497,6 +1783,18 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
+
+[[package]]
+name = "sync_wrapper"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bf256ce5efdfa370213c1dabab5935a12e49f2c58d15e9eac2870d3b4f27263"
+
 [[package]]
 name = "take_mut"
 version = "0.2.2"
@@ -1627,6 +1925,17 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-stream"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f4e6ce100d0eb49a2734f8c0812bcd324cf357d21810932c5df6b96ef2b86f1"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.12"
@@ -1667,13 +1976,83 @@ version = "0.22.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
 dependencies = [
- "indexmap",
+ "indexmap 2.6.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
  "winnow",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877c5b330756d856ffcc4553ab34a5684481ade925ecc54bcd1bf02b1d0d4d52"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum",
+ "base64",
+ "bytes",
+ "h2",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-timeout",
+ "hyper-util",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "socket2",
+ "tokio",
+ "tokio-stream",
+ "tower 0.4.13",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tower"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "indexmap 1.9.3",
+ "pin-project",
+ "pin-project-lite",
+ "rand",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tower"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2873938d487c3cfb9aed7546dc9f2711d867c9f90c46b889989a2cb84eba6b4f"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "pin-project-lite",
+ "sync_wrapper 0.1.2",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "tower-layer"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "121c2a6cda46980bb0fcd1647ffaf6cd3fc79a013de288782836f6df9c48780e"
+
 [[package]]
 name = "tower-service"
 version = "0.3.3"
@@ -1734,6 +2113,24 @@ dependencies = [
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-opentelemetry"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97a971f6058498b5c0f1affa23e7ea202057a7301dbff68e968b2d578bcbd053"
+dependencies = [
+ "js-sys",
+ "once_cell",
+ "opentelemetry",
+ "opentelemetry_sdk",
+ "smallvec",
+ "tracing",
+ "tracing-core",
+ "tracing-log",
+ "tracing-subscriber",
+ "web-time",
+]
+
 [[package]]
 name = "tracing-slog"
 version = "0.2.0-kv"
@@ -1892,6 +2289,16 @@ version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
 
+[[package]]
+name = "web-time"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a6580f308b1fad9207618087a65c04e7a10bc77e02c8e84e9b00dd4b12fa0bb"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -2024,6 +2431,27 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "zerocopy"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.8.1"
diff --git a/controller/Cargo.toml b/controller/Cargo.toml
index 2f78e78..7762979 100644
--- a/controller/Cargo.toml
+++ b/controller/Cargo.toml
@@ -18,6 +18,11 @@ tracing-chrome.workspace = true
 tracing-subscriber.workspace = true
 tracing.workspace = true
 tracing-slog.workspace = true
+tracing-opentelemetry = "0.28.0"
+opentelemetry_sdk = { version = "0.27.0", features = ["rt-tokio"] }
+opentelemetry-otlp = { version = "0.27.0", features = ["http-proto", "hyper-client", "opentelemetry-http", "trace"] }
+opentelemetry = "0.27.0"
+opentelemetry-semantic-conventions = "0.27.0"
 
 [[bin]]
 name = "patagia-controller"
diff --git a/controller/src/main.rs b/controller/src/main.rs
index ed4a430..72a0fd6 100644
--- a/controller/src/main.rs
+++ b/controller/src/main.rs
@@ -7,9 +7,20 @@ use dropshot::HttpError;
 use dropshot::HttpResponseOk;
 use dropshot::RequestContext;
 use dropshot::ServerBuilder;
+use opentelemetry::{trace::TracerProvider as _, KeyValue};
+use opentelemetry_otlp::WithExportConfig;
+use opentelemetry_sdk::{
+    trace::{RandomIdGenerator, Sampler},
+    Resource,
+};
+use opentelemetry_semantic_conventions::{
+    attribute::{SERVICE_NAME, SERVICE_VERSION},
+    SCHEMA_URL,
+};
 use schemars::JsonSchema;
 use serde::Serialize;
 use slog::Drain;
+use tracing_opentelemetry::OpenTelemetryLayer;
 use tracing_slog::TracingSlogDrain;
 use tracing_subscriber::prelude::*;
 
@@ -33,7 +44,10 @@ struct VersionInfo {
     method = GET,
     path = "/version",
 }]
-async fn api_version(rqctx: RequestContext<Arc<()>>) -> Result<HttpResponseOk<VersionInfo>, HttpError> {
+#[tracing::instrument()]
+async fn api_version(
+    rqctx: RequestContext<Arc<()>>,
+) -> Result<HttpResponseOk<VersionInfo>, HttpError> {
     let ver = VersionInfo {
         name: String::from("patagia-controller"),
     };
@@ -56,19 +70,65 @@ async fn main() -> Result<(), String> {
         slog::Logger::root(async_drain, slog::o!())
     };
 
+    let otlp_exporter = opentelemetry_otlp::SpanExporter::builder()
+        .with_tonic()
+        .with_endpoint("https://localhost:4317")
+        .build()
+        .map_err(|e| e.to_string())?;
+
+    let resource = Resource::from_schema_url(
+        [
+            // KeyValue::new(SERVICE_NAME, env!("CARGO_PKG_NAME")),
+            KeyValue::new(SERVICE_NAME, "patagia-controller"),
+            KeyValue::new(SERVICE_VERSION, env!("CARGO_PKG_VERSION")),
+        ],
+        SCHEMA_URL,
+    );
+
+    let tracer_provider = opentelemetry_sdk::trace::TracerProvider::builder()
+        .with_config(
+            opentelemetry_sdk::trace::Config::default()
+                .with_sampler(Sampler::ParentBased(Box::new(Sampler::TraceIdRatioBased(
+                    1.0,
+                ))))
+                .with_id_generator(RandomIdGenerator::default())
+                .with_resource(resource),
+        )
+        .with_batch_exporter(otlp_exporter, opentelemetry_sdk::runtime::Tokio)
+        .build();
+
+    let tracer = tracer_provider.tracer("patagia-controller");
+
+    // let telemetry = tracing_opentelemetry::layer().with_tracer(tracer);
+
     tracing_subscriber::registry()
         .with(tracing_subscriber::EnvFilter::from_default_env())
         .with(fmt_layer)
+        // .with(telemetry)
+        .with(OpenTelemetryLayer::new(tracer))
         .init();
 
     tracing::info!("Patagia Controller");
 
+    foo().await;
+
     let mut api = ApiDescription::new();
     api.register(api_version).map_err(|e| e.to_string())?;
-
     let server = ServerBuilder::new(api, Arc::new(()), dropshot_logger)
         .config(config_dropshot)
         .start()
         .map_err(|e| e.to_string())?;
     server.await
 }
+
+#[tracing::instrument]
+async fn foo() {
+    tracing::info!(
+        monotonic_counter.foo = 1_u64,
+        key_1 = "bar",
+        key_2 = 10,
+        "This is the Foo!",
+    );
+
+    tracing::info!(histogram.baz = 10, "histogram example",);
+}

From bf8a309b56c896dc0e5cb30fc286ee88b680f390 Mon Sep 17 00:00:00 2001
From: Daniel Lundin <dln@arity.se>
Date: Tue, 26 Nov 2024 15:38:45 +0100
Subject: [PATCH 3/6] tracing: extract request info into tags

---
 controller/src/main.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/controller/src/main.rs b/controller/src/main.rs
index 72a0fd6..9893e85 100644
--- a/controller/src/main.rs
+++ b/controller/src/main.rs
@@ -44,7 +44,14 @@ struct VersionInfo {
     method = GET,
     path = "/version",
 }]
-#[tracing::instrument()]
+#[tracing::instrument(
+  skip(rqctx),
+  fields(
+        http.method=rqctx.request.method().as_str(),
+        http.path=rqctx.request.uri().path(),
+        http.remote_ip=rqctx.request.remote_addr().ip().to_string(),
+    )
+)]
 async fn api_version(
     rqctx: RequestContext<Arc<()>>,
 ) -> Result<HttpResponseOk<VersionInfo>, HttpError> {

From 9cac938fb5d9f4bc7f8c4c92ceb4eb650d3875af Mon Sep 17 00:00:00 2001
From: Daniel Lundin <dln@arity.se>
Date: Mon, 25 Nov 2024 20:37:41 +0100
Subject: [PATCH 4/6] WIP: Initial dropshot server

---
 Cargo.lock             | 1247 +++++++++++++++++++++++++++++++++++++++-
 Cargo.toml             |    7 +
 controller/Cargo.toml  |    9 +-
 controller/src/main.rs |   58 +-
 4 files changed, 1310 insertions(+), 11 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 536f917..d4684bd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -26,6 +26,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.17"
@@ -81,6 +96,45 @@ version = "1.0.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c95c10ba0b00a02636238b814946408b1322d5ac4760326e6fb8ec956d85775"
 
+[[package]]
+name = "async-stream"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b5a71a6f37880a80d1d7f19efd781e4b5de42c88f0722cc13bcb6cc2cfe8476"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7c24de15d275a1ecfd47a380fb4d5ec9bfe0933f309ed5e705b775596a3574d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "async-trait"
+version = "0.1.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "721cae7de5c34fbb2acd27e21e6d2cf7b886dce0c27388d46c4e6c47ea4318dd"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -102,24 +156,76 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
 [[package]]
 name = "bitflags"
 version = "2.6.0"
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+ "libc",
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@@ -241,6 +847,12 @@ version = "0.4.22"
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 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "mime"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.0"
@@ -271,12 +889,29 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "80e04d1dcff3aae0704555fe5fee3bcfaf3d1fdf8a7e521d5b9d2b42acb52cec"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.3.9",
  "libc",
  "wasi",
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "multer"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83e87776546dc87511aa5ee218730c92b666d7264ab6ed41f9d215af9cd5224b"
+dependencies = [
+ "bytes",
+ "encoding_rs",
+ "futures-util",
+ "http",
+ "httparse",
+ "memchr",
+ "mime",
+ "spin",
+ "version_check",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -287,6 +922,30 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "num_threads"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c7398b9c8b70908f6371f47ed36737907c87c52af34c268fed0bf0ceb92ead9"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "object"
 version = "0.36.5"
@@ -302,6 +961,17 @@ version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
+[[package]]
+name = "openapiv3"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc02deea53ffe807708244e5914f6b099ad7015a207ee24317c22112e17d9c5c"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "overload"
 version = "0.1.1"
@@ -331,6 +1001,12 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
 [[package]]
 name = "patagia-agent"
 version = "0.1.0"
@@ -349,18 +1025,43 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "clap",
+ "dropshot",
+ "http",
+ "schemars",
+ "serde",
+ "slog",
+ "slog-async",
  "tokio",
  "tracing",
  "tracing-chrome",
+ "tracing-slog",
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "percent-encoding"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff"
 
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.89"
@@ -388,6 +1089,17 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
+dependencies = [
+ "getrandom",
+ "libredox",
+ "thiserror",
+]
+
 [[package]]
 name = "regex"
 version = "1.11.0"
@@ -432,6 +1144,21 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
+[[package]]
+name = "ring"
+version = "0.17.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c17fa4cb658e3583423e915b9f3acc01cceaee1860e33d59ebae66adc3a2dc0d"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "getrandom",
+ "libc",
+ "spin",
+ "untrusted",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.24"
@@ -451,12 +1178,83 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.22.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf4ef73721ac7bcd79b2b315da7779d8fc09718c6b3d2d1b2d94850eb8c18432"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-pki-types",
+ "rustls-webpki",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "rustls-pemfile"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dce314e5fee3f39953d46bb63bb8a46d40c2f8fb7cc5a3b6cab2bde9721d6e50"
+dependencies = [
+ "rustls-pki-types",
+]
+
+[[package]]
+name = "rustls-pki-types"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16f1201b3c9a7ee8039bcadc17b7e605e2945b27eee7631788c1bd2b0643674b"
+
+[[package]]
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+version = "0.102.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64ca1bc8749bd4cf37b5ce386cc146580777b4e8572c7b97baf22c83f444bee9"
+dependencies = [
+ "ring",
+ "rustls-pki-types",
+ "untrusted",
+]
+
+[[package]]
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+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e819f2bc632f285be6d7cd36e25940d45b2391dd6d9b939e79de557f7014248"
+
 [[package]]
 name = "ryu"
 version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
 
+[[package]]
+name = "schemars"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09c024468a378b7e36765cd36702b7a90cc3cba11654f6685c8f233408e89e92"
+dependencies = [
+ "dyn-clone",
+ "schemars_derive",
+ "serde",
+ "serde_json",
+ "uuid",
+]
+
+[[package]]
+name = "schemars_derive"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1eee588578aff73f856ab961cd2f79e36bc45d7ded33a7562adba4667aecc0e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde_derive_internals",
+ "syn",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -464,19 +1262,36 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
-name = "serde"
-version = "1.0.211"
+name = "semver"
+version = "1.0.23"
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-checksum = "1ac55e59090389fb9f0dd9e0f3c09615afed1d19094284d0b200441f13550793"
+checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+
+[[package]]
+name = "serde"
+version = "1.0.215"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6513c1ad0b11a9376da888e3e0baa0077f1aed55c17f50e7b2397136129fb88f"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.211"
+version = "1.0.215"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54be4f245ce16bc58d57ef2716271d0d4519e0f6defa147f6e081005bcb278ff"
+checksum = "ad1e866f866923f252f05c889987993144fb74e722403468a4ebd70c3cd756c0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_derive_internals"
+version = "0.29.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18d26a20a969b9e3fdf2fc2d9f21eda6c40e2de84c9408bb5d3b05d499aae711"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -495,6 +1310,60 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_path_to_error"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af99884400da37c88f5e9146b7f1fd0fbcae8f6eec4e9da38b67d05486f814a6"
+dependencies = [
+ "itoa",
+ "serde",
+]
+
+[[package]]
+name = "serde_spanned"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87607cb1398ed59d48732e575a4c28a7a8ebf2454b964fe3f224f2afc07909e1"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "serde_tokenstream"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64060d864397305347a78851c51588fd283767e7e7589829e8121d65512340f1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "syn",
+]
+
+[[package]]
+name = "serde_urlencoded"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "sha1"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.7"
@@ -504,6 +1373,12 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.2"
@@ -513,6 +1388,70 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "slab"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "slog"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8347046d4ebd943127157b94d63abb990fcf729dc4e9978927fdf4ac3c998d06"
+
+[[package]]
+name = "slog-async"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72c8038f898a2c79507940990f05386455b3a317d8f18d4caea7cbc3d5096b84"
+dependencies = [
+ "crossbeam-channel",
+ "slog",
+ "take_mut",
+ "thread_local",
+]
+
+[[package]]
+name = "slog-bunyan"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcaaf6e68789d3f0411f1e72bc443214ef252a1038b6e344836e50442541f190"
+dependencies = [
+ "hostname 0.3.1",
+ "slog",
+ "slog-json",
+ "time",
+]
+
+[[package]]
+name = "slog-json"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e1e53f61af1e3c8b852eef0a9dee29008f55d6dd63794f3f12cef786cf0f219"
+dependencies = [
+ "serde",
+ "serde_json",
+ "slog",
+ "time",
+]
+
+[[package]]
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+version = "2.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6e022d0b998abfe5c3782c1f03551a596269450ccd677ea51c56f8b214610e8"
+dependencies = [
+ "is-terminal",
+ "slog",
+ "term",
+ "thread_local",
+ "time",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.13.2"
@@ -529,12 +1468,24 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
 [[package]]
 name = "strsim"
 version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
+[[package]]
+name = "subtle"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
+
 [[package]]
 name = "syn"
 version = "2.0.87"
@@ -546,6 +1497,23 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "take_mut"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
+
+[[package]]
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+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
+dependencies = [
+ "dirs-next",
+ "rustversion",
+ "winapi",
+]
+
 [[package]]
 name = "terminal_size"
 version = "0.4.0"
@@ -556,6 +1524,26 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.1.8"
@@ -566,6 +1554,39 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
+dependencies = [
+ "deranged",
+ "itoa",
+ "libc",
+ "num-conv",
+ "num_threads",
+ "powerfmt",
+ "serde",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f252a68540fde3a3877aeea552b832b40ab9a69e318efd078774a01ddee1ccf"
+dependencies = [
+ "num-conv",
+ "time-core",
+]
+
 [[package]]
 name = "tokio"
 version = "1.41.1"
@@ -595,6 +1616,70 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "775e0c0f0adb3a2f22a00c4745d728b479985fc15ee7ca6a2608388c5569860f"
+dependencies = [
+ "rustls",
+ "rustls-pki-types",
+ "tokio",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+]
+
+[[package]]
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+version = "0.8.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
+]
+
+[[package]]
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+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
+dependencies = [
+ "serde",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "winnow",
+]
+
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+
 [[package]]
 name = "tracing"
 version = "0.1.40"
@@ -649,6 +1734,15 @@ dependencies = [
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-slog"
+version = "0.2.0-kv"
+source = "git+https://github.com/oxidecomputer/tracing-slog#71e0ca88fad448801b567d5f63ba7d7b01eca1f1"
+dependencies = [
+ "slog",
+ "tracing-core",
+]
+
 [[package]]
 name = "tracing-subscriber"
 version = "0.3.18"
@@ -667,30 +1761,137 @@ dependencies = [
  "tracing-log",
 ]
 
+[[package]]
+name = "try-lock"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
+
+[[package]]
+name = "typenum"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
 
+[[package]]
+name = "untrusted"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
+
 [[package]]
 name = "utf8parse"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "uuid"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8c5f0a0af699448548ad1a2fbf920fb4bee257eae39953ba95cb84891a0446a"
+dependencies = [
+ "getrandom",
+ "serde",
+]
+
 [[package]]
 name = "valuable"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
+[[package]]
+name = "waitgroup"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1f50000a783467e6c0200f9d10642f4bc424e39efc1b770203e88b488f79292"
+dependencies = [
+ "atomic-waker",
+]
+
+[[package]]
+name = "want"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
+dependencies = [
+ "try-lock",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "128d1e363af62632b8eb57219c8fd7877144af57558fb2ef0368d0087bddeb2e"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb6dd4d3ca0ddffd1dd1c9c04f94b868c37ff5fac97c30b97cff2d74fce3a358"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e79384be7f8f5a9dd5d7167216f022090cf1f9ec128e6e6a482a2cb5c5422c56"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26c6ab57572f7a24a4985830b120de1594465e5d500f24afe89e16b4e833ef68"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -713,6 +1914,25 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e48a53791691ab099e5e2ad123536d0fff50652600abaf43bbf952894110d0be"
+dependencies = [
+ "windows-core",
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-core"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
@@ -794,3 +2014,18 @@ name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "winnow"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36c1fec1a2bb5866f07c25f68c26e565c4c200aebb96d7e55710c19d3e8ac49b"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
diff --git a/Cargo.toml b/Cargo.toml
index bf42530..5021aa1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,9 +20,16 @@ clap = { version = "4.5.21", features = [
   "wrap_help",
   "string",
 ] }
+dropshot = "0.13.0"
+http = "1.1.0"
+schemars = "0.8.21"
+serde = "1.0.215"
+slog = "2.7.0"
+slog-async = "2.8.0"
 tokio = { version = "1.41.1", features = ["full"] }
 tracing = "0.1.40"
 tracing-chrome = "0.7.2"
+tracing-slog = { git = "https://github.com/oxidecomputer/tracing-slog", default-features = false }
 tracing-subscriber = { version = "0.3.18", default-features = false, features = [
   "std",
   "ansi",
diff --git a/controller/Cargo.toml b/controller/Cargo.toml
index 7022041..2f78e78 100644
--- a/controller/Cargo.toml
+++ b/controller/Cargo.toml
@@ -7,10 +7,17 @@ license = "MPL-2.0"
 [dependencies]
 anyhow.workspace = true
 clap.workspace = true
+dropshot.workspace = true
+http.workspace = true
+schemars.workspace = true
+serde.workspace = true
+slog.workspace = true
+slog-async.workspace = true
 tokio.workspace = true
-tracing.workspace = true
 tracing-chrome.workspace = true
 tracing-subscriber.workspace = true
+tracing.workspace = true
+tracing-slog.workspace = true
 
 [[bin]]
 name = "patagia-controller"
diff --git a/controller/src/main.rs b/controller/src/main.rs
index 4c9018a..78d71cb 100644
--- a/controller/src/main.rs
+++ b/controller/src/main.rs
@@ -1,17 +1,60 @@
-use anyhow::Result;
+use anyhow::{anyhow, Result};
 use clap::Parser;
-use tokio::time::{sleep, Duration};
+use dropshot::endpoint;
+use dropshot::ApiDescription;
+use dropshot::ConfigDropshot;
+use dropshot::HttpError;
+use dropshot::HttpResponseOk;
+use dropshot::RequestContext;
+use dropshot::ServerBuilder;
+use schemars::JsonSchema;
+use serde::Serialize;
+use slog::Drain;
+use tracing_slog::TracingSlogDrain;
 use tracing_subscriber::prelude::*;
 
+use std::net::SocketAddr;
+use std::str::FromStr;
+use std::sync::Arc;
+
 #[derive(Parser, Debug)]
 #[command(version, about, long_about = None)]
 struct Cli {}
 
+/// Represents a project in our API.
+#[derive(Serialize, JsonSchema)]
+struct VersionInfo {
+    name: String,
+}
+
+/// Fetch version info.
+#[endpoint {
+    method = GET,
+    path = "/version",
+}]
+async fn api_version(rqctx: RequestContext<Arc<()>>) -> Result<HttpResponseOk<VersionInfo>, HttpError> {
+    let ver = VersionInfo {
+        name: String::from("patagia-controller"),
+    };
+    Ok(HttpResponseOk(ver))
+}
+
 #[tokio::main]
 async fn main() -> Result<()> {
     let _args = Cli::parse();
     let fmt_layer = tracing_subscriber::fmt::layer();
 
+    let mut config_dropshot = ConfigDropshot::default();
+    config_dropshot.bind_address = SocketAddr::from_str("0.0.0.0:9474").unwrap();
+    config_dropshot.request_body_max_bytes = 1024 * 1024;
+
+    // Adapt the Dropshot logger to tracing
+    let dropshot_logger = {
+        let level_drain = slog::LevelFilter(TracingSlogDrain, slog::Level::Debug).fuse();
+        let async_drain = slog_async::Async::new(level_drain).build().fuse();
+        slog::Logger::root(async_drain, slog::o!())
+    };
+
     tracing_subscriber::registry()
         .with(tracing_subscriber::EnvFilter::from_default_env())
         .with(fmt_layer)
@@ -19,6 +62,13 @@ async fn main() -> Result<()> {
 
     tracing::info!("Patagia Controller");
 
-    sleep(Duration::from_secs(3)).await;
-    Ok(())
+    let mut api = ApiDescription::new();
+    api.register(api_version).unwrap();
+
+    let server =ServerBuilder::new(api, Arc::new(()), dropshot_logger)
+        .config(config_dropshot)
+        .start()
+        .map_err(|e| anyhow!("Error starting server: {:?}", e))?;
+
+    server.await.map_err(|e| anyhow!("Error running server: {}", e))
 }

From 3e859b5d8cc7d23723024a62c70a2558f239b03a Mon Sep 17 00:00:00 2001
From: Daniel Lundin <dln@arity.se>
Date: Tue, 26 Nov 2024 12:42:45 +0100
Subject: [PATCH 5/6] WIP: Add otel tracing

---
 Cargo.lock             | 438 ++++++++++++++++++++++++++++++++++++++++-
 controller/Cargo.toml  |   5 +
 controller/src/main.rs |  53 ++++-
 3 files changed, 486 insertions(+), 10 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index d4684bd..365e1ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -141,6 +141,53 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
+[[package]]
+name = "axum"
+version = "0.7.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edca88bc138befd0323b20752846e6587272d3b03b0343c8ea28a6f819e6e71f"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper 1.0.2",
+ "tower 0.5.1",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09f2bd6146b97ae3359fa0cc6d6b376d9539582c7b4220f041a33ec24c226199"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "mime",
+ "pin-project-lite",
+ "rustversion",
+ "sync_wrapper 1.0.2",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.74"
@@ -183,6 +230,12 @@ version = "3.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.8.0"
@@ -380,7 +433,7 @@ dependencies = [
  "http-body-util",
  "hyper",
  "hyper-util",
- "indexmap",
+ "indexmap 2.6.0",
  "multer",
  "openapiv3",
  "paste",
@@ -430,6 +483,12 @@ version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d6ef0072f8a535281e4876be788938b528e9a1d43900b82c2569af7da799125"
 
+[[package]]
+name = "either"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.35"
@@ -586,6 +645,12 @@ version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
 [[package]]
 name = "h2"
 version = "0.4.7"
@@ -598,13 +663,19 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "http",
- "indexmap",
+ "indexmap 2.6.0",
  "slab",
  "tokio",
  "tokio-util",
  "tracing",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
 [[package]]
 name = "hashbrown"
 version = "0.15.2"
@@ -718,6 +789,19 @@ dependencies = [
  "want",
 ]
 
+[[package]]
+name = "hyper-timeout"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b90d566bffbce6a75bd8b09a05aa8c2cb1fabb6cb348f8840c9e4c90a0d83b0"
+dependencies = [
+ "hyper",
+ "hyper-util",
+ "pin-project-lite",
+ "tokio",
+ "tower-service",
+]
+
 [[package]]
 name = "hyper-util"
 version = "0.1.10"
@@ -760,6 +844,16 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "indexmap"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown 0.12.3",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.6.0"
@@ -767,7 +861,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.15.2",
  "serde",
 ]
 
@@ -788,6 +882,15 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
+[[package]]
+name = "itertools"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.11"
@@ -862,6 +965,12 @@ dependencies = [
  "regex-automata 0.1.10",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -967,11 +1076,101 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cc02deea53ffe807708244e5914f6b099ad7015a207ee24317c22112e17d9c5c"
 dependencies = [
- "indexmap",
+ "indexmap 2.6.0",
  "serde",
  "serde_json",
 ]
 
+[[package]]
+name = "opentelemetry"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f3cebff57f7dbd1255b44d8bddc2cebeb0ea677dbaa2e25a3070a91b318f660"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "js-sys",
+ "once_cell",
+ "pin-project-lite",
+ "thiserror",
+]
+
+[[package]]
+name = "opentelemetry-http"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10a8a7f5f6ba7c1b286c2fbca0454eaba116f63bbe69ed250b642d36fbb04d80"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "http",
+ "http-body-util",
+ "hyper",
+ "hyper-util",
+ "opentelemetry",
+ "tokio",
+]
+
+[[package]]
+name = "opentelemetry-otlp"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91cf61a1868dacc576bf2b2a1c3e9ab150af7272909e80085c3173384fe11f76"
+dependencies = [
+ "async-trait",
+ "futures-core",
+ "http",
+ "opentelemetry",
+ "opentelemetry-http",
+ "opentelemetry-proto",
+ "opentelemetry_sdk",
+ "prost",
+ "thiserror",
+ "tokio",
+ "tonic",
+ "tracing",
+]
+
+[[package]]
+name = "opentelemetry-proto"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6e05acbfada5ec79023c85368af14abd0b307c015e9064d249b2a950ef459a6"
+dependencies = [
+ "opentelemetry",
+ "opentelemetry_sdk",
+ "prost",
+ "tonic",
+]
+
+[[package]]
+name = "opentelemetry-semantic-conventions"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc1b6902ff63b32ef6c489e8048c5e253e2e4a803ea3ea7e783914536eb15c52"
+
+[[package]]
+name = "opentelemetry_sdk"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27b742c1cae4693792cc564e58d75a2a0ba29421a34a85b50da92efa89ecb2bc"
+dependencies = [
+ "async-trait",
+ "futures-channel",
+ "futures-executor",
+ "futures-util",
+ "glob",
+ "once_cell",
+ "opentelemetry",
+ "percent-encoding",
+ "rand",
+ "serde_json",
+ "thiserror",
+ "tokio",
+ "tokio-stream",
+ "tracing",
+]
+
 [[package]]
 name = "overload"
 version = "0.1.1"
@@ -1027,6 +1226,10 @@ dependencies = [
  "clap",
  "dropshot",
  "http",
+ "opentelemetry",
+ "opentelemetry-otlp",
+ "opentelemetry-semantic-conventions",
+ "opentelemetry_sdk",
  "schemars",
  "serde",
  "slog",
@@ -1034,6 +1237,7 @@ dependencies = [
  "tokio",
  "tracing",
  "tracing-chrome",
+ "tracing-opentelemetry",
  "tracing-slog",
  "tracing-subscriber",
 ]
@@ -1044,6 +1248,26 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
+[[package]]
+name = "pin-project"
+version = "1.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be57f64e946e500c8ee36ef6331845d40a93055567ec57e8fae13efd33759b95"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c0f5fad0874fc7abcd4d750e76917eaebbecaa2c20bde22e1dbeeba8beb758c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.15"
@@ -1062,6 +1286,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
+dependencies = [
+ "zerocopy",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.89"
@@ -1071,6 +1304,29 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "prost"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b0487d90e047de87f984913713b85c601c05609aad5b0df4b4573fbf69aa13f"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9552f850d5f0964a4e4d0bf306459ac29323ddfbae05e35a7c0d35cb0803cc5"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.37"
@@ -1080,6 +1336,36 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.7"
@@ -1497,6 +1783,18 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
+
+[[package]]
+name = "sync_wrapper"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bf256ce5efdfa370213c1dabab5935a12e49f2c58d15e9eac2870d3b4f27263"
+
 [[package]]
 name = "take_mut"
 version = "0.2.2"
@@ -1627,6 +1925,17 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-stream"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f4e6ce100d0eb49a2734f8c0812bcd324cf357d21810932c5df6b96ef2b86f1"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.12"
@@ -1667,13 +1976,83 @@ version = "0.22.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
 dependencies = [
- "indexmap",
+ "indexmap 2.6.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
  "winnow",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877c5b330756d856ffcc4553ab34a5684481ade925ecc54bcd1bf02b1d0d4d52"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum",
+ "base64",
+ "bytes",
+ "h2",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-timeout",
+ "hyper-util",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "socket2",
+ "tokio",
+ "tokio-stream",
+ "tower 0.4.13",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tower"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "indexmap 1.9.3",
+ "pin-project",
+ "pin-project-lite",
+ "rand",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tower"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2873938d487c3cfb9aed7546dc9f2711d867c9f90c46b889989a2cb84eba6b4f"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "pin-project-lite",
+ "sync_wrapper 0.1.2",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "tower-layer"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "121c2a6cda46980bb0fcd1647ffaf6cd3fc79a013de288782836f6df9c48780e"
+
 [[package]]
 name = "tower-service"
 version = "0.3.3"
@@ -1734,6 +2113,24 @@ dependencies = [
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-opentelemetry"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97a971f6058498b5c0f1affa23e7ea202057a7301dbff68e968b2d578bcbd053"
+dependencies = [
+ "js-sys",
+ "once_cell",
+ "opentelemetry",
+ "opentelemetry_sdk",
+ "smallvec",
+ "tracing",
+ "tracing-core",
+ "tracing-log",
+ "tracing-subscriber",
+ "web-time",
+]
+
 [[package]]
 name = "tracing-slog"
 version = "0.2.0-kv"
@@ -1892,6 +2289,16 @@ version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
 
+[[package]]
+name = "web-time"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a6580f308b1fad9207618087a65c04e7a10bc77e02c8e84e9b00dd4b12fa0bb"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -2024,6 +2431,27 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "zerocopy"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.8.1"
diff --git a/controller/Cargo.toml b/controller/Cargo.toml
index 2f78e78..7762979 100644
--- a/controller/Cargo.toml
+++ b/controller/Cargo.toml
@@ -18,6 +18,11 @@ tracing-chrome.workspace = true
 tracing-subscriber.workspace = true
 tracing.workspace = true
 tracing-slog.workspace = true
+tracing-opentelemetry = "0.28.0"
+opentelemetry_sdk = { version = "0.27.0", features = ["rt-tokio"] }
+opentelemetry-otlp = { version = "0.27.0", features = ["http-proto", "hyper-client", "opentelemetry-http", "trace"] }
+opentelemetry = "0.27.0"
+opentelemetry-semantic-conventions = "0.27.0"
 
 [[bin]]
 name = "patagia-controller"
diff --git a/controller/src/main.rs b/controller/src/main.rs
index 78d71cb..29bdeab 100644
--- a/controller/src/main.rs
+++ b/controller/src/main.rs
@@ -7,9 +7,20 @@ use dropshot::HttpError;
 use dropshot::HttpResponseOk;
 use dropshot::RequestContext;
 use dropshot::ServerBuilder;
+use opentelemetry::{trace::TracerProvider as _, KeyValue};
+use opentelemetry_otlp::WithExportConfig;
+use opentelemetry_sdk::{
+    trace::{RandomIdGenerator, Sampler},
+    Resource,
+};
+use opentelemetry_semantic_conventions::{
+    attribute::{SERVICE_NAME, SERVICE_VERSION},
+    SCHEMA_URL,
+};
 use schemars::JsonSchema;
 use serde::Serialize;
 use slog::Drain;
+use tracing_opentelemetry::OpenTelemetryLayer;
 use tracing_slog::TracingSlogDrain;
 use tracing_subscriber::prelude::*;
 
@@ -32,7 +43,10 @@ struct VersionInfo {
     method = GET,
     path = "/version",
 }]
-async fn api_version(rqctx: RequestContext<Arc<()>>) -> Result<HttpResponseOk<VersionInfo>, HttpError> {
+#[tracing::instrument()]
+async fn api_version(
+    rqctx: RequestContext<Arc<()>>,
+) -> Result<HttpResponseOk<VersionInfo>, HttpError> {
     let ver = VersionInfo {
         name: String::from("patagia-controller"),
     };
@@ -55,9 +69,38 @@ async fn main() -> Result<()> {
         slog::Logger::root(async_drain, slog::o!())
     };
 
+    let otlp_exporter = opentelemetry_otlp::SpanExporter::builder()
+        .with_tonic()
+        .with_endpoint("https://localhost:4317")
+        .build()
+        .map_err(|e| anyhow!("Error creating OTLP exporter: {:?}", e))?;
+
+    let resource = Resource::from_schema_url(
+        [
+            KeyValue::new(SERVICE_NAME, env!("CARGO_PKG_NAME")),
+            KeyValue::new(SERVICE_VERSION, env!("CARGO_PKG_VERSION")),
+        ],
+        SCHEMA_URL,
+    );
+
+    let tracer_provider = opentelemetry_sdk::trace::TracerProvider::builder()
+        .with_config(
+            opentelemetry_sdk::trace::Config::default()
+                .with_sampler(Sampler::ParentBased(Box::new(Sampler::TraceIdRatioBased(
+                    1.0,
+                ))))
+                .with_id_generator(RandomIdGenerator::default())
+                .with_resource(resource),
+        )
+        .with_batch_exporter(otlp_exporter, opentelemetry_sdk::runtime::Tokio)
+        .build();
+
+    let tracer = tracer_provider.tracer("patagia-controller");
+
     tracing_subscriber::registry()
         .with(tracing_subscriber::EnvFilter::from_default_env())
         .with(fmt_layer)
+        .with(OpenTelemetryLayer::new(tracer))
         .init();
 
     tracing::info!("Patagia Controller");
@@ -65,10 +108,10 @@ async fn main() -> Result<()> {
     let mut api = ApiDescription::new();
     api.register(api_version).unwrap();
 
-    let server =ServerBuilder::new(api, Arc::new(()), dropshot_logger)
+    ServerBuilder::new(api, Arc::new(()), dropshot_logger)
         .config(config_dropshot)
         .start()
-        .map_err(|e| anyhow!("Error starting server: {:?}", e))?;
-
-    server.await.map_err(|e| anyhow!("Error running server: {}", e))
+        .map_err(|e| anyhow!("Error starting server: {:?}", e))?
+        .await
+        .map_err(|e| anyhow!(e))
 }

From 6de14bb2003b9492a2a0580c46f960ea8810de09 Mon Sep 17 00:00:00 2001
From: Daniel Lundin <dln@arity.se>
Date: Tue, 26 Nov 2024 15:38:45 +0100
Subject: [PATCH 6/6] tracing: extract request info into tags

---
 controller/src/main.rs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/controller/src/main.rs b/controller/src/main.rs
index 29bdeab..b9e7226 100644
--- a/controller/src/main.rs
+++ b/controller/src/main.rs
@@ -43,13 +43,24 @@ struct VersionInfo {
     method = GET,
     path = "/version",
 }]
-#[tracing::instrument()]
+#[tracing::instrument(
+  skip(rqctx),
+  fields(
+        http.method=rqctx.request.method().as_str(),
+        http.path=rqctx.request.uri().path(),
+        http.remote_ip=rqctx.request.remote_addr().ip().to_string(),
+        request_id = rqctx.request_id,
+    ),
+    err(Debug),
+)]
 async fn api_version(
     rqctx: RequestContext<Arc<()>>,
 ) -> Result<HttpResponseOk<VersionInfo>, HttpError> {
     let ver = VersionInfo {
         name: String::from("patagia-controller"),
     };
+
+    tracing::info!("Someone made a request to /version");
     Ok(HttpResponseOk(ver))
 }