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New Relic's Open-Source Elixir Agent
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lib/new_relic/instrumented/httpoison.ex
if Code.ensure_loaded?(HTTPoison) do
defmodule NewRelic.Instrumented.HTTPoison do
use NewRelic.Tracer
@moduledoc """
To track outbound requests as part of a Distributed Trace, an additional request
header needs to be added. Simply alias this module and use `HTTPoison` as normal,
all your requests will be automatically instrumented.
```elixir
alias NewRelic.Instrumented.HTTPoison
HTTPoison.get("http://www.example.com")
```
This module mirrors the interface of `HTTPoison`
#### Notes:
* If you need to pattern match against a result, note that the structs that come back are
the original `HTTPoison` structs.
```elixir
# Match against the full struct name
{:ok, %Elixir.HTTPoison.Response{body: body}} = HTTPoison.get("http://www.example.com")
# Match against it with a raw map
{:ok, %{body: body}} = HTTPoison.get("http://www.example.com")
```
"""
defp instrument(method, url, headers) do
NewRelic.set_span(:http, url: url, method: method, component: "HTTPoison")
headers ++ NewRelic.distributed_trace_headers(:http)
end
@trace {:get, category: :external}
def get(url, headers \\ [], options \\ []) do
headers = instrument("GET", url, headers)
HTTPoison.get(url, headers, options)
end
@trace {:get!, category: :external}
def get!(url, headers \\ [], options \\ []) do
headers = instrument("GET", url, headers)
HTTPoison.get!(url, headers, options)
end
@trace {:put, category: :external}
def put(url, body \\ "", headers \\ [], options \\ []) do
headers = instrument("PUT", url, headers)
HTTPoison.put(url, body, headers, options)
end
@trace {:put!, category: :external}
def put!(url, body \\ "", headers \\ [], options \\ []) do
headers = instrument("PUT", url, headers)
HTTPoison.put!(url, body, headers, options)
end
@trace {:head, category: :external}
def head(url, headers \\ [], options \\ []) do
headers = instrument("HEAD", url, headers)
HTTPoison.head(url, headers, options)
end
@trace {:head!, category: :external}
def head!(url, headers \\ [], options \\ []) do
headers = instrument("HEAD", url, headers)
HTTPoison.head!(url, headers, options)
end
@trace {:post, category: :external}
def post(url, body, headers \\ [], options \\ []) do
headers = instrument("POST", url, headers)
HTTPoison.post(url, body, headers, options)
end
@trace {:post!, category: :external}
def post!(url, body, headers \\ [], options \\ []) do
headers = instrument("POST", url, headers)
HTTPoison.post!(url, body, headers, options)
end
@trace {:patch, category: :external}
def patch(url, body, headers \\ [], options \\ []) do
headers = instrument("PATCH", url, headers)
HTTPoison.patch(url, body, headers, options)
end
@trace {:patch!, category: :external}
def patch!(url, body, headers \\ [], options \\ []) do
headers = instrument("PATCH", url, headers)
HTTPoison.patch!(url, body, headers, options)
end
@trace {:delete, category: :external}
def delete(url, headers \\ [], options \\ []) do
headers = instrument("DELETE", url, headers)
HTTPoison.delete(url, headers, options)
end
@trace {:delete!, category: :external}
def delete!(url, headers \\ [], options \\ []) do
headers = instrument("DELETE", url, headers)
HTTPoison.delete!(url, headers, options)
end
@trace {:options, category: :external}
def options(url, headers \\ [], options \\ []) do
headers = instrument("OPTIONS", url, headers)
HTTPoison.options(url, headers, options)
end
@trace {:options!, category: :external}
def options!(url, headers \\ [], options \\ []) do
headers = instrument("OPTIONS", url, headers)
HTTPoison.options!(url, headers, options)
end
@trace {:request, category: :external}
def request(method, url, body \\ "", headers \\ [], options \\ []) do
headers = instrument(String.upcase(to_string(method)), url, headers)
HTTPoison.request(method, url, body, headers, options)
end
@trace {:request!, category: :external}
def request!(method, url, body \\ "", headers \\ [], options \\ []) do
headers = instrument(String.upcase(to_string(method)), url, headers)
HTTPoison.request!(method, url, body, headers, options)
end
end
end