Add otel tesla library (#90)
* Add Tesla HTTP client instrumentation library * Update workflows configuration * Update labeler.yml * Update CODEOWNERS * Add LICENSE file Co-authored-by: Bryan Naegele <bryannaegele@users.noreply.github.com>
This commit is contained in:
Ricardo Paiva
GitHub
parent
59664d87c8
commit
e8d1462f46
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@ -68,5 +68,8 @@ opentelemetry_redix:
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opentelemetry_telemetry:
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opentelemetry_telemetry:
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- utilities/opentelemetry_telemetry/**/*
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- utilities/opentelemetry_telemetry/**/*
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opentelemetry_tesla:
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- instrumentation/opentelemetry_tesla/**/*
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opentelemetry_xray:
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opentelemetry_xray:
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- utilities/opentelemetry_xray/**/*
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- utilities/opentelemetry_xray/**/*
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@ -265,3 +265,40 @@ jobs:
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run: mix format --check-formatted
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run: mix format --check-formatted
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- name: Test
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- name: Test
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run: mix test
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run: mix test
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opentelemetry-tesla:
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needs: [test-matrix]
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if: (contains(github.event.pull_request.labels.*.name, 'elixir') && contains(github.event.pull_request.labels.*.name, 'opentelemetry_tesla'))
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env:
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app: 'opentelemetry_tesla'
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defaults:
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run:
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working-directory: instrumentation/${{ env.app }}
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runs-on: ubuntu-18.04
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name: Opentelemetry Test test on Elixir ${{ matrix.elixir_version }} (OTP ${{ matrix.otp_version }})
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strategy:
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fail-fast: false
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matrix: ${{ fromJson(needs.test-matrix.outputs.matrix) }}
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steps:
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- uses: actions/checkout@v2
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- uses: erlef/setup-beam@v1
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with:
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otp-version: ${{ matrix.otp_version }}
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elixir-version: ${{ matrix.elixir_version }}
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rebar3-version: ${{ matrix.rebar3_version }}
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- name: Cache
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uses: actions/cache@v2
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with:
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path: |
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~/deps
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~/_build
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key: ${{ runner.os }}-build-${{ matrix.otp_version }}-${{ matrix.elixir_version }}-v3-${{ hashFiles('**/mix.lock') }}
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- name: Fetch deps
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if: steps.deps-cache.outputs.cache-hit != 'true'
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run: mix deps.get
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- name: Compile project
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run: mix compile --warnings-as-errors
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- name: Check formatting
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run: mix format --check-formatted
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- name: Test
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run: mix test
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@ -20,3 +20,4 @@
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/instrumentation/opentelemetry_phoenix @bryannaegele @tsloughter
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/instrumentation/opentelemetry_phoenix @bryannaegele @tsloughter
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/instrumentation/opentelemetry_redix @andrewhr
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/instrumentation/opentelemetry_redix @andrewhr
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/utilities/opentelemetry_telemetry @bryannaegele @tsloughter
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/utilities/opentelemetry_telemetry @bryannaegele @tsloughter
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/instrumentation/opentelemetry_tesla @ricardoccpaiva
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@ -0,0 +1,201 @@
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Apache License
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||||||
|
Version 2.0, January 2004
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|
http://www.apache.org/licenses/
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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@ -0,0 +1,31 @@
|
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|
# OpenTelemetryTesla
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||||||
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Tesla middleware that creates OpenTelemetry spans and injects tracing headers into HTTP requests for Tesla clients.
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## Installation
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||||||
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||||||
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If [available in Hex](https://hex.pm/docs/publish), the package can be installed
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by adding `opentelemetry_tesla` to your list of dependencies in `mix.exs`:
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```elixir
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def deps do
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[
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{:opentelemetry_tesla, "~> 2.0.1"}
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]
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end
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```
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## Setup
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Whilst using this middleware is as simple as adding it to your Tesla middlewares configuration, **It's very important to set the correct order of the middlewares**
|
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The is crucial to correctly get the parameterized version of the URL, something like `/api/users/:id` instead of `/api/users/3`.
|
||||||
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|
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`OpenTelemetry` comes **first**, `PathParams` (if you're using it) comes after.
|
||||||
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|
||||||
|
```elixir
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Tesla.Middleware.OpenTelemetry
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Tesla.Middleware.PathParams
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```
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@ -0,0 +1,93 @@
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defmodule Tesla.Middleware.OpenTelemetry do
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require OpenTelemetry.Tracer
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@behaviour Tesla.Middleware
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def call(env, next, _options) do
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span_name = get_span_name(env)
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||||||
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OpenTelemetry.Tracer.with_span span_name, %{kind: :client} do
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env
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|> Tesla.put_headers(:otel_propagator_text_map.inject([]))
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|> Tesla.run(next)
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|> set_span_attributes()
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|> handle_result()
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end
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end
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defp get_span_name(env) do
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case env.opts[:path_params] do
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nil -> "HTTP #{http_method(env.method)}"
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_ -> URI.parse(env.url).path
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end
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end
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defp set_span_attributes({_, %Tesla.Env{} = env} = result) do
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OpenTelemetry.Tracer.set_attributes(build_attrs(env))
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||||||
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result
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end
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defp set_span_attributes(result) do
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result
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end
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||||||
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defp handle_result({:ok, %Tesla.Env{status: status} = env}) when status > 400 do
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OpenTelemetry.Tracer.set_status(OpenTelemetry.status(:error, ""))
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{:ok, env}
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end
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defp handle_result({:error, {Tesla.Middleware.FollowRedirects, :too_many_redirects}} = result) do
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OpenTelemetry.Tracer.set_status(OpenTelemetry.status(:error, ""))
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||||||
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result
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||||||
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end
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defp handle_result({:ok, env}) do
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{:ok, env}
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|
end
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|
||||||
|
defp handle_result(result) do
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||||||
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OpenTelemetry.Tracer.set_status(OpenTelemetry.status(:error, ""))
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||||||
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|
||||||
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result
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||||||
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end
|
||||||
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|
||||||
|
defp build_attrs(%Tesla.Env{
|
||||||
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method: method,
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||||||
|
url: url,
|
||||||
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status: status_code,
|
||||||
|
headers: headers,
|
||||||
|
query: query
|
||||||
|
}) do
|
||||||
|
url = Tesla.build_url(url, query)
|
||||||
|
uri = URI.parse(url)
|
||||||
|
|
||||||
|
attrs = %{
|
||||||
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"http.method": http_method(method),
|
||||||
|
"http.url": url,
|
||||||
|
"http.target": uri.path,
|
||||||
|
"http.host": uri.host,
|
||||||
|
"http.scheme": uri.scheme,
|
||||||
|
"http.status_code": status_code
|
||||||
|
}
|
||||||
|
|
||||||
|
maybe_append_content_length(attrs, headers)
|
||||||
|
end
|
||||||
|
|
||||||
|
defp maybe_append_content_length(attrs, headers) do
|
||||||
|
case Enum.find(headers, fn {k, _v} -> k == "content-length" end) do
|
||||||
|
nil ->
|
||||||
|
attrs
|
||||||
|
|
||||||
|
{_key, content_length} ->
|
||||||
|
Map.put(attrs, :"http.response_content_length", content_length)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
defp http_method(method) do
|
||||||
|
method
|
||||||
|
|> Atom.to_string()
|
||||||
|
|> String.upcase()
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
@ -0,0 +1,62 @@
|
||||||
|
defmodule OpentelemetryTesla.MixProject do
|
||||||
|
use Mix.Project
|
||||||
|
|
||||||
|
def project do
|
||||||
|
[
|
||||||
|
app: :opentelemetry_tesla,
|
||||||
|
version: "2.0.1",
|
||||||
|
elixir: "~> 1.10",
|
||||||
|
start_permanent: Mix.env() == :prod,
|
||||||
|
deps: deps(),
|
||||||
|
package: package(),
|
||||||
|
description: description(),
|
||||||
|
docs: docs()
|
||||||
|
]
|
||||||
|
end
|
||||||
|
|
||||||
|
defp docs() do
|
||||||
|
[
|
||||||
|
main: "readme",
|
||||||
|
extras: ["README.md"]
|
||||||
|
]
|
||||||
|
end
|
||||||
|
|
||||||
|
defp description() do
|
||||||
|
"Tesla middleware that creates OpenTelemetry spans and injects tracing headers into HTTP requests for Tesla clients."
|
||||||
|
end
|
||||||
|
|
||||||
|
defp package do
|
||||||
|
[
|
||||||
|
name: "opentelemetry_tesla",
|
||||||
|
licenses: ["Apache-2.0"],
|
||||||
|
links: %{
|
||||||
|
"GitHub" =>
|
||||||
|
"https://github.com/open-telemetry/opentelemetry-erlang-contrib/instrumentation/opentelemetry_tesla",
|
||||||
|
"OpenTelemetry Erlang" => "https://github.com/open-telemetry/opentelemetry-erlang",
|
||||||
|
"OpenTelemetry Erlang Contrib" => "https://github.com/open-telemetry/opentelemetry-erlang-contrib",
|
||||||
|
"OpenTelemetry.io" => "https://opentelemetry.io"
|
||||||
|
}
|
||||||
|
]
|
||||||
|
]
|
||||||
|
end
|
||||||
|
|
||||||
|
# Run "mix help compile.app" to learn about applications.
|
||||||
|
def application do
|
||||||
|
[
|
||||||
|
extra_applications: [:logger]
|
||||||
|
]
|
||||||
|
end
|
||||||
|
|
||||||
|
# Run "mix help deps" to learn about dependencies.
|
||||||
|
defp deps do
|
||||||
|
[
|
||||||
|
{:opentelemetry, "~> 1.0.0", only: :test},
|
||||||
|
{:opentelemetry_api, "~> 1.0.0"},
|
||||||
|
{:opentelemetry_telemetry, "~> 1.0.0"},
|
||||||
|
{:tesla, "~> 1.4"},
|
||||||
|
{:ex_doc, "~> 0.24", only: :dev, runtime: false},
|
||||||
|
{:bypass, "~> 2.1", only: :test},
|
||||||
|
{:jason, "~> 1.3", only: :test}
|
||||||
|
]
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
@ -0,0 +1,24 @@
|
||||||
|
%{
|
||||||
|
"bypass": {:hex, :bypass, "2.1.0", "909782781bf8e20ee86a9cabde36b259d44af8b9f38756173e8f5e2e1fabb9b1", [:mix], [{:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.0", [hex: :plug_cowboy, repo: "hexpm", optional: false]}, {:ranch, "~> 1.3", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "d9b5df8fa5b7a6efa08384e9bbecfe4ce61c77d28a4282f79e02f1ef78d96b80"},
|
||||||
|
"cowboy": {:hex, :cowboy, "2.9.0", "865dd8b6607e14cf03282e10e934023a1bd8be6f6bacf921a7e2a96d800cd452", [:make, :rebar3], [{:cowlib, "2.11.0", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "1.8.0", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "2c729f934b4e1aa149aff882f57c6372c15399a20d54f65c8d67bef583021bde"},
|
||||||
|
"cowboy_telemetry": {:hex, :cowboy_telemetry, "0.4.0", "f239f68b588efa7707abce16a84d0d2acf3a0f50571f8bb7f56a15865aae820c", [:rebar3], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "7d98bac1ee4565d31b62d59f8823dfd8356a169e7fcbb83831b8a5397404c9de"},
|
||||||
|
"cowlib": {:hex, :cowlib, "2.11.0", "0b9ff9c346629256c42ebe1eeb769a83c6cb771a6ee5960bd110ab0b9b872063", [:make, :rebar3], [], "hexpm", "2b3e9da0b21c4565751a6d4901c20d1b4cc25cbb7fd50d91d2ab6dd287bc86a9"},
|
||||||
|
"earmark_parser": {:hex, :earmark_parser, "1.4.19", "de0d033d5ff9fc396a24eadc2fcf2afa3d120841eb3f1004d138cbf9273210e8", [:mix], [], "hexpm", "527ab6630b5c75c3a3960b75844c314ec305c76d9899bb30f71cb85952a9dc45"},
|
||||||
|
"ex_doc": {:hex, :ex_doc, "0.26.0", "1922164bac0b18b02f84d6f69cab1b93bc3e870e2ad18d5dacb50a9e06b542a3", [:mix], [{:earmark_parser, "~> 1.4.0", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "2775d66e494a9a48355db7867478ffd997864c61c65a47d31c4949459281c78d"},
|
||||||
|
"jason": {:hex, :jason, "1.3.0", "fa6b82a934feb176263ad2df0dbd91bf633d4a46ebfdffea0c8ae82953714946", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "53fc1f51255390e0ec7e50f9cb41e751c260d065dcba2bf0d08dc51a4002c2ac"},
|
||||||
|
"makeup": {:hex, :makeup, "1.0.5", "d5a830bc42c9800ce07dd97fa94669dfb93d3bf5fcf6ea7a0c67b2e0e4a7f26c", [:mix], [{:nimble_parsec, "~> 0.5 or ~> 1.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "cfa158c02d3f5c0c665d0af11512fed3fba0144cf1aadee0f2ce17747fba2ca9"},
|
||||||
|
"makeup_elixir": {:hex, :makeup_elixir, "0.15.2", "dc72dfe17eb240552857465cc00cce390960d9a0c055c4ccd38b70629227e97c", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.1", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "fd23ae48d09b32eff49d4ced2b43c9f086d402ee4fd4fcb2d7fad97fa8823e75"},
|
||||||
|
"makeup_erlang": {:hex, :makeup_erlang, "0.1.1", "3fcb7f09eb9d98dc4d208f49cc955a34218fc41ff6b84df7c75b3e6e533cc65f", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "174d0809e98a4ef0b3309256cbf97101c6ec01c4ab0b23e926a9e17df2077cbb"},
|
||||||
|
"mime": {:hex, :mime, "2.0.2", "0b9e1a4c840eafb68d820b0e2158ef5c49385d17fb36855ac6e7e087d4b1dcc5", [:mix], [], "hexpm", "e6a3f76b4c277739e36c2e21a2c640778ba4c3846189d5ab19f97f126df5f9b7"},
|
||||||
|
"nimble_parsec": {:hex, :nimble_parsec, "1.2.0", "b44d75e2a6542dcb6acf5d71c32c74ca88960421b6874777f79153bbbbd7dccc", [:mix], [], "hexpm", "52b2871a7515a5ac49b00f214e4165a40724cf99798d8e4a65e4fd64ebd002c1"},
|
||||||
|
"opentelemetry": {:hex, :opentelemetry, "1.0.0", "6e98f4a9230681b2e4c88d45783ce1c02d671ffc0b5ac0cba69a34a3f5ada8d8", [:rebar3], [{:opentelemetry_api, "~> 1.0.0", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}], "hexpm", "08d8697740f70594d05067cb62a0a8845ff568b2d47e1f8c78c46708ab58a74f"},
|
||||||
|
"opentelemetry_api": {:hex, :opentelemetry_api, "1.0.2", "91353ee40583b1d4f07d7b13ed62642abfec6aaa0d8a2114f07edafb2df781c5", [:mix, :rebar3], [], "hexpm", "2a8247f85c44216b883900067478d59955d11e58e5cfca7c884cd4f203ace3ac"},
|
||||||
|
"opentelemetry_telemetry": {:hex, :opentelemetry_telemetry, "1.0.0", "d5982a319e725fcd2305b306b65c18a86afdcf7d96821473cf0649ff88877615", [:mix, :rebar3], [{:opentelemetry_api, "~> 1.0", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:telemetry_registry, "~> 0.3.0", [hex: :telemetry_registry, repo: "hexpm", optional: false]}], "hexpm", "3401d13a1d4b7aa941a77e6b3ec074f0ae77f83b5b2206766ce630123a9291a9"},
|
||||||
|
"plug": {:hex, :plug, "1.12.1", "645678c800601d8d9f27ad1aebba1fdb9ce5b2623ddb961a074da0b96c35187d", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "d57e799a777bc20494b784966dc5fbda91eb4a09f571f76545b72a634ce0d30b"},
|
||||||
|
"plug_cowboy": {:hex, :plug_cowboy, "2.5.2", "62894ccd601cf9597e2c23911ff12798a8a18d237e9739f58a6b04e4988899fe", [:mix], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:cowboy_telemetry, "~> 0.3", [hex: :cowboy_telemetry, repo: "hexpm", optional: false]}, {:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "ea6e87f774c8608d60c8d34022a7d073bd7680a0a013f049fc62bf35efea1044"},
|
||||||
|
"plug_crypto": {:hex, :plug_crypto, "1.2.2", "05654514ac717ff3a1843204b424477d9e60c143406aa94daf2274fdd280794d", [:mix], [], "hexpm", "87631c7ad914a5a445f0a3809f99b079113ae4ed4b867348dd9eec288cecb6db"},
|
||||||
|
"ranch": {:hex, :ranch, "1.8.0", "8c7a100a139fd57f17327b6413e4167ac559fbc04ca7448e9be9057311597a1d", [:make, :rebar3], [], "hexpm", "49fbcfd3682fab1f5d109351b61257676da1a2fdbe295904176d5e521a2ddfe5"},
|
||||||
|
"telemetry": {:hex, :telemetry, "1.1.0", "a589817034a27eab11144ad24d5c0f9fab1f58173274b1e9bae7074af9cbee51", [:rebar3], [], "hexpm", "b727b2a1f75614774cff2d7565b64d0dfa5bd52ba517f16543e6fc7efcc0df48"},
|
||||||
|
"telemetry_registry": {:hex, :telemetry_registry, "0.3.0", "6768f151ea53fc0fbca70dbff5b20a8d663ee4e0c0b2ae589590e08658e76f1e", [:mix, :rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "492e2adbc609f3e79ece7f29fec363a97a2c484ac78a83098535d6564781e917"},
|
||||||
|
"tesla": {:hex, :tesla, "1.4.4", "bb89aa0c9745190930366f6a2ac612cdf2d0e4d7fff449861baa7875afd797b2", [:mix], [{:castore, "~> 0.1", [hex: :castore, repo: "hexpm", optional: true]}, {:exjsx, ">= 3.0.0", [hex: :exjsx, repo: "hexpm", optional: true]}, {:finch, "~> 0.3", [hex: :finch, repo: "hexpm", optional: true]}, {:fuse, "~> 2.4", [hex: :fuse, repo: "hexpm", optional: true]}, {:gun, "~> 1.3", [hex: :gun, repo: "hexpm", optional: true]}, {:hackney, "~> 1.6", [hex: :hackney, repo: "hexpm", optional: true]}, {:ibrowse, "4.4.0", [hex: :ibrowse, repo: "hexpm", optional: true]}, {:jason, ">= 1.0.0", [hex: :jason, repo: "hexpm", optional: true]}, {:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.0", [hex: :mint, repo: "hexpm", optional: true]}, {:poison, ">= 1.0.0", [hex: :poison, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm", "d5503a49f9dec1b287567ea8712d085947e247cb11b06bc54adb05bfde466457"},
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,323 @@
|
||||||
|
defmodule Tesla.Middleware.OpenTelemetryTest do
|
||||||
|
use ExUnit.Case
|
||||||
|
require Record
|
||||||
|
|
||||||
|
for {name, spec} <- Record.extract_all(from_lib: "opentelemetry/include/otel_span.hrl") do
|
||||||
|
Record.defrecord(name, spec)
|
||||||
|
end
|
||||||
|
|
||||||
|
for {name, spec} <- Record.extract_all(from_lib: "opentelemetry_api/include/opentelemetry.hrl") do
|
||||||
|
Record.defrecord(name, spec)
|
||||||
|
end
|
||||||
|
|
||||||
|
setup do
|
||||||
|
bypass = Bypass.open()
|
||||||
|
|
||||||
|
:application.stop(:opentelemetry)
|
||||||
|
:application.set_env(:opentelemetry, :tracer, :otel_tracer_default)
|
||||||
|
|
||||||
|
:application.set_env(:opentelemetry, :processors, [
|
||||||
|
{:otel_batch_processor, %{scheduled_delay_ms: 1, exporter: {:otel_exporter_pid, self()}}}
|
||||||
|
])
|
||||||
|
|
||||||
|
:application.start(:opentelemetry)
|
||||||
|
|
||||||
|
{:ok, bypass: bypass}
|
||||||
|
end
|
||||||
|
|
||||||
|
test "it records a generic span name if opentelemetry middleware is configured before path params middleware",
|
||||||
|
%{
|
||||||
|
bypass: bypass
|
||||||
|
} do
|
||||||
|
defmodule TestClient do
|
||||||
|
def get(client) do
|
||||||
|
params = [id: '3']
|
||||||
|
|
||||||
|
Tesla.get(client, "/users/:id", opts: [path_params: params])
|
||||||
|
end
|
||||||
|
|
||||||
|
def client(url) do
|
||||||
|
middleware = [
|
||||||
|
{Tesla.Middleware.BaseUrl, url},
|
||||||
|
Tesla.Middleware.OpenTelemetry,
|
||||||
|
Tesla.Middleware.PathParams
|
||||||
|
]
|
||||||
|
|
||||||
|
Tesla.client(middleware)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
Bypass.expect_once(bypass, "GET", "/users/3", fn conn ->
|
||||||
|
Plug.Conn.resp(conn, 204, "")
|
||||||
|
end)
|
||||||
|
|
||||||
|
bypass.port
|
||||||
|
|> endpoint_url()
|
||||||
|
|> TestClient.client()
|
||||||
|
|> TestClient.get()
|
||||||
|
|
||||||
|
assert_receive {:span, span(name: "/users/:id", attributes: _attributes)}
|
||||||
|
end
|
||||||
|
|
||||||
|
test "Records spans for Tesla HTTP client", %{bypass: bypass} do
|
||||||
|
defmodule TestClient do
|
||||||
|
def get(client) do
|
||||||
|
Tesla.get(client, "/users/")
|
||||||
|
end
|
||||||
|
|
||||||
|
def client(url) do
|
||||||
|
middleware = [
|
||||||
|
{Tesla.Middleware.BaseUrl, url},
|
||||||
|
Tesla.Middleware.OpenTelemetry
|
||||||
|
]
|
||||||
|
|
||||||
|
Tesla.client(middleware)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
Bypass.expect_once(bypass, "GET", "/users", fn conn ->
|
||||||
|
Plug.Conn.resp(conn, 204, "")
|
||||||
|
end)
|
||||||
|
|
||||||
|
bypass.port
|
||||||
|
|> endpoint_url()
|
||||||
|
|> TestClient.client()
|
||||||
|
|> TestClient.get()
|
||||||
|
|
||||||
|
assert_receive {:span, span(name: "HTTP GET", attributes: _attributes)}
|
||||||
|
end
|
||||||
|
|
||||||
|
test "Marks Span status as :error when HTTP request fails", %{bypass: bypass} do
|
||||||
|
defmodule TestClient do
|
||||||
|
def get(client) do
|
||||||
|
Tesla.get(client, "/users/")
|
||||||
|
end
|
||||||
|
|
||||||
|
def client(url) do
|
||||||
|
middleware = [
|
||||||
|
{Tesla.Middleware.BaseUrl, url},
|
||||||
|
Tesla.Middleware.OpenTelemetry
|
||||||
|
]
|
||||||
|
|
||||||
|
Tesla.client(middleware)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
Bypass.expect_once(bypass, "GET", "/users", fn conn ->
|
||||||
|
Plug.Conn.resp(conn, 500, "")
|
||||||
|
end)
|
||||||
|
|
||||||
|
bypass.port
|
||||||
|
|> endpoint_url()
|
||||||
|
|> TestClient.client()
|
||||||
|
|> TestClient.get()
|
||||||
|
|
||||||
|
assert_receive {:span, span(status: {:status, :error, ""})}
|
||||||
|
end
|
||||||
|
|
||||||
|
test "Marks Span status as :errors when max redirects are exceeded", %{bypass: bypass} do
|
||||||
|
defmodule TestClient do
|
||||||
|
def get(client) do
|
||||||
|
Tesla.get(client, "/users/")
|
||||||
|
end
|
||||||
|
|
||||||
|
def client(url) do
|
||||||
|
middleware = [
|
||||||
|
{Tesla.Middleware.BaseUrl, url},
|
||||||
|
Tesla.Middleware.OpenTelemetry,
|
||||||
|
{Tesla.Middleware.FollowRedirects, max_redirects: 1}
|
||||||
|
]
|
||||||
|
|
||||||
|
Tesla.client(middleware)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
Bypass.expect(bypass, "GET", "/users", fn conn ->
|
||||||
|
conn
|
||||||
|
|> Plug.Conn.put_resp_header("Location", "/users/1")
|
||||||
|
|> Plug.Conn.resp(301, "")
|
||||||
|
end)
|
||||||
|
|
||||||
|
Bypass.expect(bypass, "GET", "/users/1", fn conn ->
|
||||||
|
conn
|
||||||
|
|> Plug.Conn.put_resp_header("Location", "/users/2")
|
||||||
|
|> Plug.Conn.resp(301, "")
|
||||||
|
end)
|
||||||
|
|
||||||
|
bypass.port
|
||||||
|
|> endpoint_url()
|
||||||
|
|> TestClient.client()
|
||||||
|
|> TestClient.get()
|
||||||
|
|
||||||
|
assert_receive {:span, span(status: {:status, :error, ""})}
|
||||||
|
end
|
||||||
|
|
||||||
|
test "Appends query string parameters to http.url attribute", %{bypass: bypass} do
|
||||||
|
defmodule TestClient do
|
||||||
|
def get(client, id) do
|
||||||
|
params = [id: id]
|
||||||
|
Tesla.get(client, "/users/:id", opts: [path_params: params])
|
||||||
|
end
|
||||||
|
|
||||||
|
def client(url) do
|
||||||
|
middleware = [
|
||||||
|
{Tesla.Middleware.BaseUrl, url},
|
||||||
|
Tesla.Middleware.OpenTelemetry,
|
||||||
|
Tesla.Middleware.PathParams,
|
||||||
|
{Tesla.Middleware.Query, [token: "some-token", array: ["foo", "bar"]]}
|
||||||
|
]
|
||||||
|
|
||||||
|
Tesla.client(middleware)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
Bypass.expect_once(bypass, "GET", "/users/2", fn conn ->
|
||||||
|
Plug.Conn.resp(conn, 204, "")
|
||||||
|
end)
|
||||||
|
|
||||||
|
bypass.port
|
||||||
|
|> endpoint_url()
|
||||||
|
|> TestClient.client()
|
||||||
|
|> TestClient.get("2")
|
||||||
|
|
||||||
|
assert_receive {:span, span(name: _name, attributes: attributes)}
|
||||||
|
|
||||||
|
mapped_attributes = :otel_attributes.map(attributes)
|
||||||
|
|
||||||
|
assert mapped_attributes[:"http.url"] ==
|
||||||
|
"http://localhost:#{bypass.port}/users/2?token=some-token&array%5B%5D=foo&array%5B%5D=bar"
|
||||||
|
end
|
||||||
|
|
||||||
|
test "http.url attribute is correct when request doesn't contain query string parameters", %{
|
||||||
|
bypass: bypass
|
||||||
|
} do
|
||||||
|
defmodule TestClient do
|
||||||
|
def get(client, id) do
|
||||||
|
params = [id: id]
|
||||||
|
Tesla.get(client, "/users/:id", opts: [path_params: params])
|
||||||
|
end
|
||||||
|
|
||||||
|
def client(url) do
|
||||||
|
middleware = [
|
||||||
|
{Tesla.Middleware.BaseUrl, url},
|
||||||
|
Tesla.Middleware.OpenTelemetry,
|
||||||
|
Tesla.Middleware.PathParams,
|
||||||
|
{Tesla.Middleware.Query, []}
|
||||||
|
]
|
||||||
|
|
||||||
|
Tesla.client(middleware)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
Bypass.expect_once(bypass, "GET", "/users/2", fn conn ->
|
||||||
|
Plug.Conn.resp(conn, 204, "")
|
||||||
|
end)
|
||||||
|
|
||||||
|
bypass.port
|
||||||
|
|> endpoint_url()
|
||||||
|
|> TestClient.client()
|
||||||
|
|> TestClient.get("2")
|
||||||
|
|
||||||
|
assert_receive {:span, span(name: _name, attributes: attributes)}
|
||||||
|
|
||||||
|
mapped_attributes = :otel_attributes.map(attributes)
|
||||||
|
|
||||||
|
assert mapped_attributes[:"http.url"] ==
|
||||||
|
"http://localhost:#{bypass.port}/users/2"
|
||||||
|
end
|
||||||
|
|
||||||
|
test "Handles url path arguments correctly", %{bypass: bypass} do
|
||||||
|
defmodule TestClient do
|
||||||
|
def get(client, id) do
|
||||||
|
params = [id: id]
|
||||||
|
Tesla.get(client, "/users/:id", opts: [path_params: params])
|
||||||
|
end
|
||||||
|
|
||||||
|
def client(url) do
|
||||||
|
middleware = [
|
||||||
|
{Tesla.Middleware.BaseUrl, url},
|
||||||
|
Tesla.Middleware.OpenTelemetry,
|
||||||
|
Tesla.Middleware.PathParams,
|
||||||
|
{Tesla.Middleware.Query, [token: "some-token"]}
|
||||||
|
]
|
||||||
|
|
||||||
|
Tesla.client(middleware)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
Bypass.expect_once(bypass, "GET", "/users/2", fn conn ->
|
||||||
|
Plug.Conn.resp(conn, 204, "")
|
||||||
|
end)
|
||||||
|
|
||||||
|
bypass.port
|
||||||
|
|> endpoint_url()
|
||||||
|
|> TestClient.client()
|
||||||
|
|> TestClient.get("2")
|
||||||
|
|
||||||
|
assert_receive {:span, span(name: _name, attributes: attributes)}
|
||||||
|
assert %{"http.target": "/users/2"} = :otel_attributes.map(attributes)
|
||||||
|
end
|
||||||
|
|
||||||
|
test "Records http.response_content_length param into the span", %{bypass: bypass} do
|
||||||
|
defmodule TestClient do
|
||||||
|
def get(client, id) do
|
||||||
|
params = [id: id]
|
||||||
|
Tesla.get(client, "/users/:id", opts: [path_params: params])
|
||||||
|
end
|
||||||
|
|
||||||
|
def client(url) do
|
||||||
|
middleware = [
|
||||||
|
{Tesla.Middleware.BaseUrl, url},
|
||||||
|
Tesla.Middleware.OpenTelemetry,
|
||||||
|
Tesla.Middleware.PathParams,
|
||||||
|
{Tesla.Middleware.Query, [token: "some-token"]}
|
||||||
|
]
|
||||||
|
|
||||||
|
Tesla.client(middleware)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
response = "HELLO 👋"
|
||||||
|
|
||||||
|
Bypass.expect_once(bypass, "GET", "/users/2", fn conn ->
|
||||||
|
Plug.Conn.resp(conn, 200, response)
|
||||||
|
end)
|
||||||
|
|
||||||
|
bypass.port
|
||||||
|
|> endpoint_url()
|
||||||
|
|> TestClient.client()
|
||||||
|
|> TestClient.get("2")
|
||||||
|
|
||||||
|
assert_receive {:span, span(name: _name, attributes: attributes)}
|
||||||
|
|
||||||
|
mapped_attributes = :otel_attributes.map(attributes)
|
||||||
|
|
||||||
|
{response_size, _} = Integer.parse(mapped_attributes[:"http.response_content_length"])
|
||||||
|
assert response_size == byte_size(response)
|
||||||
|
end
|
||||||
|
|
||||||
|
test "Injects distributed tracing headers" do
|
||||||
|
OpentelemetryTelemetry.start_telemetry_span(
|
||||||
|
"tracer_id",
|
||||||
|
"my_label",
|
||||||
|
%{},
|
||||||
|
%{kind: :client}
|
||||||
|
)
|
||||||
|
|
||||||
|
assert {:ok,
|
||||||
|
%Tesla.Env{
|
||||||
|
headers: [
|
||||||
|
{"traceparent", traceparent}
|
||||||
|
]
|
||||||
|
}} =
|
||||||
|
Tesla.Middleware.OpenTelemetry.call(
|
||||||
|
%Tesla.Env{url: ""},
|
||||||
|
[],
|
||||||
|
"http://example.com"
|
||||||
|
)
|
||||||
|
|
||||||
|
assert is_binary(traceparent)
|
||||||
|
end
|
||||||
|
|
||||||
|
defp endpoint_url(port), do: "http://localhost:#{port}/"
|
||||||
|
end
|
||||||
|
|
@ -0,0 +1 @@
|
||||||
|
ExUnit.start()
|
||||||
Loading…
Reference in New Issue