From bb32083d2c3dc3cdcf6d75a196953c7268cea7f3 Mon Sep 17 00:00:00 2001
From: Lyle Mantooth <lyle@menteeth.us>
Date: Sun, 14 May 2023 21:50:23 -0400
Subject: [PATCH] Ship traces to Honeycomb.io.

---
 Cargo.lock  | 756 ++++++++++++++++++++++++++++++++++++++++++++++++++--
 Cargo.toml  |   2 +
 src/main.rs |  79 +++++-
 3 files changed, 796 insertions(+), 41 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index df9494b..bc451b0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -26,6 +26,15 @@ dependencies = [
  "memchr",
 ]
 
+[[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 = "artem"
 version = "1.1.5"
@@ -42,17 +51,143 @@ dependencies = [
  "terminal_size",
 ]
 
+[[package]]
+name = "async-channel"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf46fee83e5ccffc220104713af3292ff9bc7c64c7de289f66dae8e38d826833"
+dependencies = [
+ "concurrent-queue",
+ "event-listener",
+ "futures-core",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fa3dc5f2a8564f07759c008b9109dc0d39de92a88d5588b8a5036d286383afb"
+dependencies = [
+ "async-lock",
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "slab",
+]
+
+[[package]]
+name = "async-global-executor"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1b6f5d7df27bd294849f8eec66ecfc63d11814df7a4f5d74168a2394467b776"
+dependencies = [
+ "async-channel",
+ "async-executor",
+ "async-io",
+ "async-lock",
+ "blocking",
+ "futures-lite",
+ "once_cell",
+]
+
+[[package]]
+name = "async-io"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fc5b45d93ef0529756f812ca52e44c221b35341892d3dcc34132ac02f3dd2af"
+dependencies = [
+ "async-lock",
+ "autocfg",
+ "cfg-if",
+ "concurrent-queue",
+ "futures-lite",
+ "log",
+ "parking",
+ "polling",
+ "rustix",
+ "slab",
+ "socket2",
+ "waker-fn",
+]
+
+[[package]]
+name = "async-lock"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa24f727524730b077666307f2734b4a1a1c57acb79193127dcc8914d5242dd7"
+dependencies = [
+ "event-listener",
+]
+
+[[package]]
+name = "async-process"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a9d28b1d97e08915212e2e45310d47854eafa69600756fc735fb788f75199c9"
+dependencies = [
+ "async-io",
+ "async-lock",
+ "autocfg",
+ "blocking",
+ "cfg-if",
+ "event-listener",
+ "futures-lite",
+ "rustix",
+ "signal-hook",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "async-std"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62565bb4402e926b29953c785397c6dc0391b7b446e45008b0049eb43cec6f5d"
+dependencies = [
+ "async-channel",
+ "async-global-executor",
+ "async-io",
+ "async-lock",
+ "async-process",
+ "crossbeam-utils",
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-lite",
+ "gloo-timers",
+ "kv-log-macro",
+ "log",
+ "memchr",
+ "once_cell",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+ "wasm-bindgen-futures",
+]
+
+[[package]]
+name = "async-task"
+version = "4.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc7ab41815b3c653ccd2978ec3255c81349336702dfdf62ee6f7069b12a3aae"
+
 [[package]]
 name = "async-trait"
 version = "0.1.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9ccdd8f2a161be9bd5c023df56f1b2a0bd1d83872ae53b71a84a12c9bf6e842"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 2.0.16",
 ]
 
+[[package]]
+name = "atomic-waker"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1181e1e0d1fce796a03db1ae795d67167da795f9cf4a39c37589e85ef57f26d3"
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -152,6 +287,21 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "blocking"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77231a1c8f801696fc0123ec6150ce92cffb8e164a02afb9c8ddee0e9b65ad65"
+dependencies = [
+ "async-channel",
+ "async-lock",
+ "async-task",
+ "atomic-waker",
+ "fastrand",
+ "futures-lite",
+ "log",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.12.2"
@@ -184,6 +334,8 @@ dependencies = [
  "axum",
  "color-eyre",
  "image",
+ "opentelemetry",
+ "opentelemetry-honeycomb",
  "pretty-hex",
  "reqwest",
  "serde",
@@ -204,6 +356,19 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e3c5919066adf22df73762e50cffcde3a758f2a848b113b586d1f86728b673b"
+dependencies = [
+ "iana-time-zone",
+ "num-integer",
+ "num-traits",
+ "serde",
+ "winapi",
+]
+
 [[package]]
 name = "clap"
 version = "3.2.25"
@@ -292,6 +457,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "concurrent-queue"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62ec6771ecfa0762d24683ee5a32ad78487a3d3afdc0fb8cae19d2c5deb50b7c"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -366,6 +540,27 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 
+[[package]]
+name = "ctor"
+version = "0.1.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d2301688392eb071b0bf1a37be05c469d3cc4dbbd95df672fe28ab021e6a096"
+dependencies = [
+ "quote 1.0.27",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "derivative"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
+dependencies = [
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "either"
 version = "1.8.1"
@@ -415,6 +610,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "event-listener"
+version = "2.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
+
 [[package]]
 name = "exr"
 version = "1.6.3"
@@ -479,7 +680,7 @@ dependencies = [
  "futures-sink",
  "nanorand",
  "pin-project",
- "spin",
+ "spin 0.9.8",
 ]
 
 [[package]]
@@ -512,6 +713,21 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "futures"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23342abe12aba583913b2e62f22225ff9c950774065e4bfb61a19cd9770fec40"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-channel"
 version = "0.3.28"
@@ -519,6 +735,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "955518d47e09b25bbebc7a18df10b81f0c766eaf4c4f1cccef2fca5f2a4fb5f2"
 dependencies = [
  "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
@@ -527,6 +744,49 @@ version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c"
 
+[[package]]
+name = "futures-executor"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccecee823288125bd88b4d7f565c9e58e41858e47ab72e8ea2d64e93624386e0"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fff74096e71ed47f8e023204cfd0aa1289cd54ae5430a9523be060cdb849964"
+
+[[package]]
+name = "futures-lite"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49a9d51ce47660b1e808d3c990b4709f2f415d928835a17dfd16991515c46bce"
+dependencies = [
+ "fastrand",
+ "futures-core",
+ "futures-io",
+ "memchr",
+ "parking",
+ "pin-project-lite",
+ "waker-fn",
+]
+
+[[package]]
+name = "futures-macro"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
+dependencies = [
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 2.0.16",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.28"
@@ -545,10 +805,16 @@ version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
 dependencies = [
+ "futures-channel",
  "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
  "futures-task",
+ "memchr",
  "pin-project-lite",
  "pin-utils",
+ "slab",
 ]
 
 [[package]]
@@ -580,6 +846,18 @@ version = "0.27.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
 
+[[package]]
+name = "gloo-timers"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b995a66bb87bebce9a0f4a95aed01daca4872c050bfcb21653361c03bc35e5c"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.19"
@@ -614,6 +892,28 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hazy"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a8e3cb86d6a5fb7423ea59ea937877577a408e21389be1722653189f8e32e21"
+dependencies = [
+ "hazy_derive",
+ "quote 0.6.13",
+ "syn 0.15.44",
+]
+
+[[package]]
+name = "hazy_derive"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ecf612da1180fb343e6e715629f51f797a2c0433402957271d16e800f153c6d"
+dependencies = [
+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+ "syn 0.15.44",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -702,6 +1002,19 @@ dependencies = [
  "want",
 ]
 
+[[package]]
+name = "hyper-rustls"
+version = "0.23.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1788965e61b367cd03a62950836d5cd41560c3577d90e40e0819373194d1661c"
+dependencies = [
+ "http",
+ "hyper",
+ "rustls",
+ "tokio",
+ "tokio-rustls",
+]
+
 [[package]]
 name = "hyper-tls"
 version = "0.5.0"
@@ -715,6 +1028,29 @@ dependencies = [
  "tokio-native-tls",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.56"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0722cd7114b7de04316e7ea5456a0bbb20e4adb46fd27a3697adb812cff0f37c"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows",
+]
+
+[[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 = "idna"
 version = "0.3.0"
@@ -810,6 +1146,15 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "kv-log-macro"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0de8b303297635ad57c9f5059fd9cee7a47f8e8daa09df0fcd07dd39fb22977f"
+dependencies = [
+ "log",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -828,6 +1173,24 @@ version = "0.2.144"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b00cc1c228a6782d0f076e7b232802e0c5689d41bb5df366f2a6b6621cfdfe1"
 
+[[package]]
+name = "libhoney-rust"
+version = "0.1.6"
+source = "git+https://github.com/ramosbugs/libhoney-rust?rev=98710516cb63d3393d26a22d5493a421c550525a#98710516cb63d3393d26a22d5493a421c550525a"
+dependencies = [
+ "async-channel",
+ "async-std",
+ "async-trait",
+ "chrono",
+ "derivative",
+ "futures",
+ "log",
+ "rand",
+ "reqwest",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.3.7"
@@ -851,6 +1214,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
 dependencies = [
  "cfg-if",
+ "value-bag",
 ]
 
 [[package]]
@@ -1024,9 +1388,9 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -1047,6 +1411,71 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "opentelemetry"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69d6c3d7288a106c0a363e4b0e8d308058d56902adefb16f4936f417ffef086e"
+dependencies = [
+ "opentelemetry_api",
+ "opentelemetry_sdk",
+]
+
+[[package]]
+name = "opentelemetry-honeycomb"
+version = "0.1.0"
+source = "git+https://github.com/fasterthanlime/opentelemetry-honeycomb-rs?branch=simplified#f1c889ee6a448adcdc6c4228a990504b11cd5f11"
+dependencies = [
+ "async-channel",
+ "async-std",
+ "async-trait",
+ "chrono",
+ "derivative",
+ "futures",
+ "hazy",
+ "libhoney-rust",
+ "opentelemetry",
+ "serde_json",
+ "thiserror",
+ "tokio",
+ "tracing",
+]
+
+[[package]]
+name = "opentelemetry_api"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c24f96e21e7acc813c7a8394ee94978929db2bcc46cf6b5014fc612bf7760c22"
+dependencies = [
+ "futures-channel",
+ "futures-util",
+ "indexmap",
+ "js-sys",
+ "once_cell",
+ "pin-project-lite",
+ "thiserror",
+]
+
+[[package]]
+name = "opentelemetry_sdk"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ca41c4933371b61c2a2f214bf16931499af4ec90543604ec828f7a625c09113"
+dependencies = [
+ "async-trait",
+ "crossbeam-channel",
+ "futures-channel",
+ "futures-executor",
+ "futures-util",
+ "once_cell",
+ "opentelemetry_api",
+ "percent-encoding",
+ "rand",
+ "thiserror",
+ "tokio",
+ "tokio-stream",
+]
+
 [[package]]
 name = "os_str_bytes"
 version = "6.5.0"
@@ -1065,6 +1494,12 @@ version = "3.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
 
+[[package]]
+name = "parking"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14f2252c834a40ed9bb5422029649578e63aa341ac401f74e719dd1afda8394e"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -1109,9 +1544,9 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39407670928234ebc5e6e580247dd567ad73a3578460c5990f9503df207e8f07"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -1145,12 +1580,43 @@ dependencies = [
  "miniz_oxide 0.7.1",
 ]
 
+[[package]]
+name = "polling"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b2d323e8ca7996b3e23126511a523f7e62924d93ecd5ae73b333815b0eb3dce"
+dependencies = [
+ "autocfg",
+ "bitflags",
+ "cfg-if",
+ "concurrent-queue",
+ "libc",
+ "log",
+ "pin-project-lite",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
 [[package]]
 name = "pretty-hex"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6fa0831dd7cc608c38a5e323422a0077678fa5744aa2be4ad91c4ece8eec8d5"
 
+[[package]]
+name = "proc-macro2"
+version = "0.4.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
+dependencies = [
+ "unicode-xid",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.56"
@@ -1169,13 +1635,52 @@ dependencies = [
  "bytemuck",
 ]
 
+[[package]]
+name = "quote"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
+dependencies = [
+ "proc-macro2 0.4.30",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f4f29d145265ec1c483c7c654450edde0bfe043d3938d6972630663356d9500"
 dependencies = [
- "proc-macro2",
+ "proc-macro2 1.0.56",
+]
+
+[[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]]
@@ -1250,6 +1755,7 @@ dependencies = [
  "http",
  "http-body",
  "hyper",
+ "hyper-rustls",
  "hyper-tls",
  "ipnet",
  "js-sys",
@@ -1259,19 +1765,38 @@ dependencies = [
  "once_cell",
  "percent-encoding",
  "pin-project-lite",
+ "rustls",
+ "rustls-pemfile",
  "serde",
  "serde_json",
  "serde_urlencoded",
  "tokio",
  "tokio-native-tls",
+ "tokio-rustls",
  "tower-service",
  "url",
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
+ "webpki-roots",
  "winreg",
 ]
 
+[[package]]
+name = "ring"
+version = "0.16.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"
+dependencies = [
+ "cc",
+ "libc",
+ "once_cell",
+ "spin 0.5.2",
+ "untrusted",
+ "web-sys",
+ "winapi",
+]
+
 [[package]]
 name = "roff"
 version = "0.2.1"
@@ -1298,6 +1823,27 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.20.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fff78fc74d175294f4e83b28343315ffcfb114b156f0185e9741cb5570f50e2f"
+dependencies = [
+ "log",
+ "ring",
+ "sct",
+ "webpki",
+]
+
+[[package]]
+name = "rustls-pemfile"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d194b56d58803a43635bdc398cd17e383d6f71f9182b9a192c127ca42494a59b"
+dependencies = [
+ "base64",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.12"
@@ -1325,6 +1871,16 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
+[[package]]
+name = "sct"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
 [[package]]
 name = "security-framework"
 version = "2.9.0"
@@ -1363,9 +1919,9 @@ version = "1.0.163"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c805777e3930c8883389c602315a24224bcc738b63905ef87cd1420353ea93e"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -1409,6 +1965,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "signal-hook"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "732768f1176d21d09e076c23a93123d40bba92d50c4058da34d45c8de8e682b9"
+dependencies = [
+ "libc",
+ "signal-hook-registry",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.1"
@@ -1449,6 +2015,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "spin"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
+
 [[package]]
 name = "spin"
 version = "0.9.8"
@@ -1464,14 +2036,36 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
+[[package]]
+name = "syn"
+version = "0.15.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
+dependencies = [
+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+ "unicode-xid",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "unicode-ident",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a6f671d4b5ffdb8eadec19c0ae67fe2639df8684bd7bc4b83d986b8db549cf01"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
  "unicode-ident",
 ]
 
@@ -1519,6 +2113,26 @@ version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
 
+[[package]]
+name = "thiserror"
+version = "1.0.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "978c9a314bd8dc99be594bc3c175faaa9794be04a5a5e153caba6915336cebac"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
+dependencies = [
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 2.0.16",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.1.7"
@@ -1580,9 +2194,9 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -1595,6 +2209,28 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.23.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
+dependencies = [
+ "rustls",
+ "tokio",
+ "webpki",
+]
+
+[[package]]
+name = "tokio-stream"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "397c988d37662c7dda6d2208364a706264bf3d6138b11d436cbac0ad38832842"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.8"
@@ -1656,9 +2292,9 @@ version = "0.1.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f57e3ca2a01450b1a921183a9c9cbfda207fd822cef4ccb00a65402cbba7a74"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -1746,6 +2382,18 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "unicode-xid"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
+
+[[package]]
+name = "untrusted"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
+
 [[package]]
 name = "url"
 version = "2.3.1"
@@ -1763,12 +2411,34 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
+[[package]]
+name = "value-bag"
+version = "1.0.0-alpha.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2209b78d1249f7e6f3293657c9779fe31ced465df091bbd433a1cf88e916ec55"
+dependencies = [
+ "ctor",
+ "version_check",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
+[[package]]
+name = "waker-fn"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
+
 [[package]]
 name = "want"
 version = "0.3.0"
@@ -1804,9 +2474,9 @@ dependencies = [
  "bumpalo",
  "log",
  "once_cell",
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 2.0.16",
  "wasm-bindgen-shared",
 ]
 
@@ -1828,7 +2498,7 @@ version = "0.2.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "358a79a0cb89d21db8120cbfb91392335913e4890665b1a7981d9e956903b434"
 dependencies = [
- "quote",
+ "quote 1.0.27",
  "wasm-bindgen-macro-support",
 ]
 
@@ -1838,9 +2508,9 @@ version = "0.2.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4783ce29f09b9d93134d41297aded3a712b7b979e9c6f28c32cb88c973a94869"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.56",
+ "quote 1.0.27",
+ "syn 2.0.16",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -1861,6 +2531,25 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "webpki"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
+name = "webpki-roots"
+version = "0.22.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6c71e40d7d2c34a5106301fb632274ca37242cd0c9d3e64dbece371a40a2d87"
+dependencies = [
+ "webpki",
+]
+
 [[package]]
 name = "weezl"
 version = "0.1.7"
@@ -1898,6 +2587,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
+dependencies = [
+ "windows-targets 0.48.0",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.42.0"
diff --git a/Cargo.toml b/Cargo.toml
index 0158c5e..b9c8e80 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,8 @@ artem = { version = "=1.1.5", default-features = false }
 axum = "0.6"
 color-eyre = "0.6"
 image = "0.24"
+opentelemetry = { version = "0.18", features = ["rt-tokio"] }
+opentelemetry-honeycomb = { git = "https://github.com/fasterthanlime/opentelemetry-honeycomb-rs", branch = "simplified", version = "0.1.0" }
 pretty-hex = "0.3"
 reqwest = { version = "0.11", features = ["json"] }
 serde = { version = "1", features = ["derive"] }
diff --git a/src/main.rs b/src/main.rs
index 5adb3e0..cf020b0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,6 +8,11 @@ use axum::{
     routing::get,
     Router,
 };
+use opentelemetry::{
+    global,
+    trace::{get_active_span, FutureExt, Span, Status, TraceContextExt, Tracer},
+    Context, KeyValue,
+};
 use reqwest::StatusCode;
 use serde::Deserialize;
 use tracing::{info, Level};
@@ -20,6 +25,12 @@ struct ServerState {
 
 #[tokio::main]
 async fn main() {
+    let (_honeyguard, _tracer) = opentelemetry_honeycomb::new_pipeline(
+        std::env::var("HONEYCOMB_API_KEY").expect("$HONEYCOMB_API_KEY should be set"),
+        "catscii".into(),
+    )
+    .install()
+    .unwrap();
     let filter = Targets::from_str(std::env::var("RUST_LOG").as_deref().unwrap_or("info"))
         .expect("RUST_LOG should be a valid tracing filter");
     tracing_subscriber::fmt()
@@ -43,8 +54,31 @@ async fn main() {
         .unwrap();
 }
 
-async fn root_get(_headers: HeaderMap, State(state): State<ServerState>) -> Response<BoxBody> {
-    match get_cat_ascii_art(&state.client).await {
+async fn root_get(headers: HeaderMap, State(state): State<ServerState>) -> Response<BoxBody> {
+    let tracer = global::tracer("");
+    let mut span = tracer.start("root_get");
+    span.set_attribute(KeyValue::new(
+        "user_agent",
+        headers
+            .get(header::USER_AGENT)
+            .map(|h| h.to_str().unwrap_or_default().to_owned())
+            .unwrap_or_default(),
+    ));
+
+    root_get_inner(state)
+        .with_context(Context::current_with_span(span))
+        .await
+}
+
+async fn root_get_inner(state: ServerState) -> Response<BoxBody> {
+    let tracer = global::tracer("");
+
+    match get_cat_ascii_art(&state.client)
+        .with_context(Context::current_with_span(
+                tracer.start("get_cat_arscii_art"),
+        ))
+        .await
+        {
         Ok(art) => (
             StatusCode::OK,
             [(header::CONTENT_TYPE, "text/html; charset=utf-8")],
@@ -52,25 +86,46 @@ async fn root_get(_headers: HeaderMap, State(state): State<ServerState>) -> Resp
         )
             .into_response(),
         Err(e) => {
-            println!("Something went wrong: {e}");
+            get_active_span(|span| {
+                span.set_status(Status::Error {
+                    description: format!("{e}").into(),
+                })
+            });
             (StatusCode::INTERNAL_SERVER_ERROR, "Something went wrong").into_response()
         }
     }
 }
 
 async fn get_cat_ascii_art(client: &reqwest::Client) -> color_eyre::Result<String> {
-    let image_url = get_cat_image_url(client).await?;
+    let tracer = global::tracer("");
 
-    let image_bytes = download_file(client, &image_url).await?;
+    let image_url = get_cat_image_url(client)
+        .with_context(Context::current_with_span(
+            tracer.start("get_cat_image_url"),
+        ))
+        .await?;
 
-    let image = image::load_from_memory(&image_bytes)?;
+    let image_bytes = download_file(client, &image_url)
+        .with_context(Context::current_with_span(tracer.start("download_file")))
+        .await?;
 
-    let ascii_art = artem::convert(
-        image,
-        artem::options::OptionBuilder::new()
-            .target(artem::options::TargetType::HtmlFile(true, true))
-            .build(),
-    );
+    let image = tracer.in_span("image::load_from_memory", |cx| {
+        let img = image::load_from_memory(&image_bytes)?;
+        cx.span()
+            .set_attribute(KeyValue::new("width", img.width() as i64));
+        cx.span()
+            .set_attribute(KeyValue::new("height", img.height() as i64));
+        Ok::<_, color_eyre::eyre::Report>(img)
+    })?;
+
+    let ascii_art = tracer.in_span("artem::convert", |_cx| {
+        artem::convert(
+            image,
+            artem::options::OptionBuilder::new()
+                .target(artem::options::TargetType::HtmlFile(true, true))
+                .build(),
+        )
+    });
 
     Ok(ascii_art)
 }