-module(opentelemetry_cowboy_SUITE). -compile(export_all). -compile(nowarn_export_all). -include_lib("common_test/include/ct.hrl"). -include_lib("stdlib/include/assert.hrl"). -include_lib("opentelemetry_api/include/opentelemetry.hrl"). -include_lib("opentelemetry/include/otel_span.hrl"). -include_lib("opentelemetry_api/include/otel_tracer.hrl"). -define(assertListsMatch(List1, List2), ?assertEqual(lists:sort(List1), lists:sort(List2))). all() -> [ successful_request, chunked_request, failed_request, client_timeout_request, idle_timeout_request, chunk_timeout_request, bad_request ]. init_per_suite(Config) -> ok = application:load(opentelemetry), {ok,_} = application:ensure_all_started(ranch), Dispatch = cowboy_router:compile([{"localhost", [ {"/success", test_h, success}, {"/chunked", test_h, chunked}, {"/chunked_slow", test_h, chunked_slow}, {"/slow", test_h, slow}, {"/failure", test_h, failure} ]}]), {ok, _} = cowboy:start_clear(http, [{port, 8080}], #{ env => #{dispatch => Dispatch}, stream_handlers => [cowboy_telemetry_h, cowboy_stream_h], idle_timeout => 150 } ), Config. end_per_suite(_Config) -> application:unload(opentelemetry), application:stop(ranch), application:stop(telemetry). init_per_testcase(_, Config) -> application:set_env(opentelemetry, processors, [{otel_batch_processor, #{scheduled_delay_ms => 1}}]), {ok, _} = application:ensure_all_started(telemetry), {ok, _} = application:ensure_all_started(opentelemetry), {ok, _} = application:ensure_all_started(opentelemetry_telemetry), {ok, _} = application:ensure_all_started(opentelemetry_cowboy), opentelemetry_cowboy:setup(), otel_batch_processor:set_exporter(otel_exporter_pid, self()), Config. end_per_testcase(_, Config) -> application:stop(telemetry), application:stop(opentelemetry_cowboy), application:stop(opentelemetry_telemetry), application:stop(opentelemetry), Config. successful_request(_Config) -> Headers = [ {"traceparent", "00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01"}, {"tracestate", "congo=t61rcWkgMzE"}, {"x-forwarded-for", "203.0.133.195, 70.41.3.18, 150.172.238.178"}, {"user-agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:81.0) Gecko/20100101 Firefox/81.0"}], {ok, {{_Version, 200, _ReasonPhrase}, _Headers, _Body}} = httpc:request(get, {"http://localhost:8080/success", Headers}, [], []), receive {span, #span{name=Name,events=[],attributes=Attributes,parent_span_id=ParentSpanId}} -> ?assertEqual(<<"HTTP GET">>, Name), ?assertEqual(13235353014750950193, ParentSpanId), ExpectedAttrs = [ {'http.client_ip', <<"203.0.133.195">>}, {'http.flavor', '1.1'}, {'http.host', <<"localhost">>}, {'http.host.port', 8080}, {'http.method', <<"GET">>}, {'http.scheme', <<"http">>}, {'http.target', <<"/success">>}, {'http.user_agent', <<"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:81.0) Gecko/20100101 Firefox/81.0">>}, {'net.host.ip', <<"127.0.0.1">>}, {'net.transport', 'IP.TCP'}, {'http.status', 200}, {'http.request_content_length', 0}, {'http.response_content_length', 12}], ?assertListsMatch(ExpectedAttrs, Attributes) after 1000 -> ct:fail(successful_request) end. chunked_request(_Config) -> {ok, {{_Version, 200, _ReasonPhrase}, _Headers, _Body}} = httpc:request(get, {"http://localhost:8080/chunked", []}, [], []), receive {span, #span{name=Name,events=[],attributes=Attributes,parent_span_id=undefined}} -> ?assertEqual(<<"HTTP GET">>, Name), ExpectedAttrs = [ {'http.client_ip', <<"127.0.0.1">>}, {'http.flavor', '1.1'}, {'http.host', <<"localhost">>}, {'http.host.port', 8080}, {'http.method', <<"GET">>}, {'http.scheme', <<"http">>}, {'http.target', <<"/chunked">>}, {'http.user_agent', <<>>}, {'net.host.ip', <<"127.0.0.1">>}, {'net.transport', 'IP.TCP'}, {'http.status', 200}, {'http.request_content_length', 0}, {'http.response_content_length', 14}], ?assertListsMatch(ExpectedAttrs, Attributes) after 1000 -> ct:fail(chunked_request) end. failed_request(_Config) -> {ok, {{_Version, 500, _ReasonPhrase}, _Headers, _Body}} = httpc:request(get, {"http://localhost:8080/failure", []}, [], []), receive {span, #span{name=Name,events=[Event],attributes=Attributes,parent_span_id=undefined}} -> { event,_,<<"exception">>,[ {<<"exception.type">>, <<"exit:failure">>}, {<<"exception.stacktrace">>, _Stacktrace}] } = Event, ?assertEqual(<<"HTTP GET">>, Name), ExpectedAttrs = [ {'http.client_ip', <<"127.0.0.1">>}, {'http.flavor', '1.1'}, {'http.host', <<"localhost">>}, {'http.host.port', 8080}, {'http.method', <<"GET">>}, {'http.scheme', <<"http">>}, {'http.target', <<"/failure">>}, {'http.user_agent', <<>>}, {'net.host.ip', <<"127.0.0.1">>}, {'net.transport', 'IP.TCP'}, {'http.status', 500}, {'http.request_content_length', 0}, {'http.response_content_length', 0}], ?assertListsMatch(ExpectedAttrs, Attributes) after 1000 -> ct:fail(failed_request) end. client_timeout_request(_Config) -> {error, timeout} = httpc:request(get, {"http://localhost:8080/slow", []}, [{timeout, 50}], []), receive {span, #span{name=Name,events=[Event],attributes=Attributes,parent_span_id=undefined}} -> { event,_,<<"socket_error">>,[ {error, closed}, {reason, 'The socket has been closed.'}] } = Event, ?assertEqual(<<"HTTP GET">>, Name), ExpectedAttrs = [ {'http.client_ip', <<"127.0.0.1">>}, {'http.flavor', '1.1'}, {'http.host', <<"localhost">>}, {'http.host.port', 8080}, {'http.method', <<"GET">>}, {'http.scheme', <<"http">>}, {'http.target', <<"/slow">>}, {'http.user_agent', <<>>}, {'net.host.ip', <<"127.0.0.1">>}, {'net.transport', 'IP.TCP'}, {'http.request_content_length', 0}, {'http.response_content_length', 0}], ?assertListsMatch(ExpectedAttrs, Attributes) after 1000 -> ct:fail(client_timeout_request) end. idle_timeout_request(_Config) -> {error, socket_closed_remotely} = httpc:request(head, {"http://localhost:8080/slow", []}, [], []), receive {span, #span{name=Name,events=[Event],attributes=Attributes,parent_span_id=undefined}} -> { event,_,<<"connection_error">>,[ {error, timeout}, {reason, 'Connection idle longer than configuration allows.'}] } = Event, ?assertEqual(<<"HTTP HEAD">>, Name), ExpectedAttrs = [ {'http.client_ip', <<"127.0.0.1">>}, {'http.flavor', '1.1'}, {'http.host', <<"localhost">>}, {'http.host.port', 8080}, {'http.method', <<"HEAD">>}, {'http.scheme', <<"http">>}, {'http.target', <<"/slow">>}, {'http.user_agent', <<>>}, {'net.host.ip', <<"127.0.0.1">>}, {'net.transport', 'IP.TCP'}, {'http.request_content_length', 0}, {'http.response_content_length', 0}], ?assertListsMatch(ExpectedAttrs, Attributes) after 1000 -> ct:fail(idle_timeout_request) end. chunk_timeout_request(_Config) -> httpc:request(head, {"http://localhost:8080/chunked_slow", []}, [], []), receive {span, #span{name=Name,events=[],attributes=Attributes,parent_span_id=undefined}} -> ?assertEqual(<<"HTTP HEAD">>, Name), ExpectedAttrs = [ {'http.client_ip', <<"127.0.0.1">>}, {'http.flavor', '1.1'}, {'http.host', <<"localhost">>}, {'http.host.port', 8080}, {'http.method', <<"HEAD">>}, {'http.scheme', <<"http">>}, {'http.target', <<"/chunked_slow">>}, {'http.user_agent', <<>>}, {'net.host.ip', <<"127.0.0.1">>}, {'net.transport', 'IP.TCP'}, {'http.status',200}, {'http.request_content_length', 0}, {'http.response_content_length', 0}], ?assertListsMatch(ExpectedAttrs, Attributes) after 1000 -> ct:fail(chunk_timeout_request) end. bad_request(_Config) -> Headers = [ {"traceparent", "00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01"}, {"tracestate", "congo=t61rcWkgMzE"}, {"x-forwarded-for", "203.0.133.195, 70.41.3.18, 150.172.238.178"}], {ok, {{_Version, 501, _ReasonPhrase}, _Headers, _Body}} = httpc:request(trace, {"http://localhost:8080/", Headers}, [], []), receive {span, #span{name=Name,events=[Event],attributes=Attributes,parent_span_id=undefined}} -> { event,_,<<"connection_error">>,[ {error, no_error}, {reason, 'The TRACE method is currently not implemented. (RFC7231 4.3.8)'}] } = Event, ?assertEqual(<<"HTTP Error">>, Name), ExpectedAttrs = [ {'http.status', 501}, {'http.response_content_length', 0}], ?assertListsMatch(ExpectedAttrs, Attributes) after 1000 -> ct:fail(bad_request) end.