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Merge pull request #1 from tsloughter/trace-mode
initial trace module
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# Used by "mix format" | ||
[ | ||
inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"] | ||
] |
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/_build | ||
/cover | ||
/deps | ||
/doc | ||
# The directory Mix will write compiled artifacts to. | ||
/_build/ | ||
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# If you run "mix test --cover", coverage assets end up here. | ||
/cover/ | ||
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# The directory Mix downloads your dependencies sources to. | ||
/deps/ | ||
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# Where 3rd-party dependencies like ExDoc output generated docs. | ||
/doc/ | ||
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# Ignore .fetch files in case you like to edit your project deps locally. | ||
/.fetch | ||
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# If the VM crashes, it generates a dump, let's ignore it too. | ||
erl_crash.dump | ||
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# Also ignore archive artifacts (built via "mix archive.build"). | ||
*.ez | ||
*.beam | ||
/config/*.secret.exs | ||
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# Ignore package tarball (built via "mix hex.build"). | ||
opencensus-*.tar |
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# opencensus_elixir | ||
# Opencensus | ||
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## Installation | ||
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```elixir | ||
def deps do | ||
[ | ||
{:opencensus_elixir, "~> 0.1.0"} | ||
] | ||
end | ||
``` | ||
|
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# This file is responsible for configuring your application | ||
# and its dependencies with the aid of the Mix.Config module. | ||
use Mix.Config | ||
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# This configuration is loaded before any dependency and is restricted | ||
# to this project. If another project depends on this project, this | ||
# file won't be loaded nor affect the parent project. For this reason, | ||
# if you want to provide default values for your application for | ||
# 3rd-party users, it should be done in your "mix.exs" file. | ||
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# You can configure your application as: | ||
# | ||
# config :opencensus, key: :value | ||
# | ||
# and access this configuration in your application as: | ||
# | ||
# Application.get_env(:opencensus, :key) | ||
# | ||
# You can also configure a 3rd-party app: | ||
# | ||
# config :logger, level: :info | ||
# | ||
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# It is also possible to import configuration files, relative to this | ||
# directory. For example, you can emulate configuration per environment | ||
# by uncommenting the line below and defining dev.exs, test.exs and such. | ||
# Configuration from the imported file will override the ones defined | ||
# here (which is why it is important to import them last). | ||
# | ||
# import_config "#{Mix.env()}.exs" |
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defmodule Opencensus.Trace do | ||
@doc "Wraps the given block in a tracing child span with the given label/name and optional attributes" | ||
defmacro with_child_span(label, attributes \\ quote(do: %{}), do: block) do | ||
line = __CALLER__.line | ||
module = __CALLER__.module | ||
file = __CALLER__.file | ||
function = format_function(__CALLER__.function) | ||
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quote do | ||
attributes = Map.merge(unquote(attributes), %{ | ||
line: unquote(line), | ||
module: unquote(module), | ||
file: unquote(file), | ||
function: unquote(function) | ||
}) | ||
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parent_span_ctx = :ocp.current_span_ctx() | ||
new_span_ctx = :oc_trace.start_span(unquote(label), parent_span_ctx, unquote(attributes)) | ||
:ocp.with_span_ctx(new_span_ctx) | ||
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try do | ||
unquote(block) | ||
after | ||
:oc_trace.finish_span(new_span_ctx) | ||
:ocp.with_span_ctx(parent_span_ctx) | ||
end | ||
end | ||
end | ||
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defp format_function(nil), do: nil | ||
defp format_function({name, arity}), do: "#{name}/#{arity}" | ||
end |
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defmodule OpencensusElixir.MixProject do | ||
use Mix.Project | ||
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def project do | ||
[ | ||
app: :opencensus_elixir, | ||
version: "0.1.0", | ||
elixir: "~> 1.7", | ||
start_permanent: Mix.env() == :prod, | ||
deps: deps() | ||
] | ||
end | ||
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# Run "mix help compile.app" to learn about applications. | ||
def application do | ||
[ | ||
extra_applications: [:logger] | ||
] | ||
end | ||
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# Run "mix help deps" to learn about dependencies. | ||
defp deps do | ||
[ | ||
{:opencensus, "~> 0.7.0"} | ||
] | ||
end | ||
end |
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%{ | ||
"counters": {:hex, :counters, "0.2.1", "aa3d97e88f92573488987193d0f48efce0f3b2cd1443bf4ee760bc7f99322f0c", [:mix, :rebar3], [], "hexpm"}, | ||
"ctx": {:hex, :ctx, "0.5.0", "78e0f16712e12d707a7f34277381b8e193d7c71eaa24d37330dc02477c09eda5", [:rebar3], [], "hexpm"}, | ||
"jsx": {:hex, :jsx, "2.9.0", "d2f6e5f069c00266cad52fb15d87c428579ea4d7d73a33669e12679e203329dd", [:mix, :rebar3], [], "hexpm"}, | ||
"opencensus": {:hex, :opencensus, "0.7.0", "b4c5f6a96f2ba2154570f24bb08b65d6ee0ff5b61518acf706ca760b7696a4e1", [:rebar3], [{:counters, "~> 0.2", [hex: :counters, repo: "hexpm", optional: false]}, {:ctx, "~> 0.5", [hex: :ctx, repo: "hexpm", optional: false]}, {:jsx, "~> 2.9", [hex: :jsx, repo: "hexpm", optional: false]}, {:wts, "~> 0.3", [hex: :wts, repo: "hexpm", optional: false]}], "hexpm"}, | ||
"rfc3339": {:hex, :rfc3339, "0.9.0", "2075653dc9407541c84b1e15f8bda2abe95fb17c9694025e079583f2d19c1060", [:mix, :rebar], [], "hexpm"}, | ||
"wts": {:hex, :wts, "0.3.0", "5cdf22c775cb1ebae24c326a5db6074d753c42f4bd12a9aa47cc62d3e2c71ad1", [:rebar3], [{:rfc3339, "~>0.9.0", [hex: :rfc3339, repo: "hexpm", optional: false]}], "hexpm"}, | ||
} |
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defmodule OpencensusTest do | ||
use ExUnit.Case | ||
doctest Opencensus | ||
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test "do some span or something" do | ||
assert true | ||
end | ||
end |
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ExUnit.start() |