293 lines
8.4 KiB
Elixir
293 lines
8.4 KiB
Elixir
defmodule OpentelemetryPhoenixTest do
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use ExUnit.Case, async: false
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doctest OpentelemetryPhoenix
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require OpenTelemetry.Tracer
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require OpenTelemetry.Span
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require Record
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alias PhoenixMeta, as: Meta
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for {name, spec} <- Record.extract_all(from_lib: "opentelemetry/include/otel_span.hrl") do
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Record.defrecord(name, spec)
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end
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for {name, spec} <- Record.extract_all(from_lib: "opentelemetry_api/include/opentelemetry.hrl") do
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Record.defrecord(name, spec)
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end
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setup do
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:otel_simple_processor.set_exporter(:otel_exporter_pid, self())
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:ok
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end
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test "records spans for Phoenix web requests" do
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OpentelemetryPhoenix.setup()
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:telemetry.execute(
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[:phoenix, :endpoint, :start],
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%{system_time: System.system_time()},
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Meta.endpoint_start()
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)
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:telemetry.execute(
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[:phoenix, :router_dispatch, :start],
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%{system_time: System.system_time()},
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Meta.router_dispatch_start()
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)
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:telemetry.execute(
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[:phoenix, :endpoint, :stop],
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%{duration: 444},
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Meta.endpoint_stop()
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)
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assert_receive {:span,
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span(
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name: "/users/:user_id",
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attributes: attributes,
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parent_span_id: 13_235_353_014_750_950_193
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)}
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assert %{
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"http.client_ip": "10.211.55.2",
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"http.flavor": :"1.1",
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"http.host": "localhost",
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"http.method": "GET",
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"http.route": "/users/:user_id",
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"http.scheme": "http",
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"http.status_code": 200,
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"http.target": "/users/123",
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"http.user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:81.0) Gecko/20100101 Firefox/81.0",
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"net.host.ip": "10.211.55.2",
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"net.host.port": 4000,
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"net.peer.ip": "10.211.55.2",
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"net.peer.port": 64291,
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"net.transport": :"IP.TCP",
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"phoenix.action": :user,
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"phoenix.plug": Elixir.MyStoreWeb.PageController
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} == :otel_attributes.map(attributes)
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end
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test "parses x-forwarded-for with single value" do
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OpentelemetryPhoenix.setup()
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x_forwarded_for_request("203.0.113.195")
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assert_receive {:span, span(attributes: attributes)}
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assert Map.fetch!(:otel_attributes.map(attributes), :"http.client_ip") == "203.0.113.195"
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end
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test "parses x-forwarded-for with multiple values" do
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OpentelemetryPhoenix.setup()
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x_forwarded_for_request("203.0.113.195, 70.41.3.18, 150.172.238.178")
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assert_receive {:span, span(attributes: attributes)}
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assert Map.fetch!(:otel_attributes.map(attributes), :"http.client_ip") == "203.0.113.195"
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end
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test "records exceptions for Phoenix web requests" do
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OpentelemetryPhoenix.setup()
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:telemetry.execute(
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[:phoenix, :endpoint, :start],
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%{system_time: System.system_time()},
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Meta.endpoint_start(:exception)
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)
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:telemetry.execute(
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[:phoenix, :router_dispatch, :start],
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%{system_time: System.system_time()},
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Meta.router_dispatch_start(:exception)
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)
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:telemetry.execute(
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[:phoenix, :router_dispatch, :exception],
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%{duration: 222},
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Meta.router_dispatch_exception(:normal)
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)
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:telemetry.execute(
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[:phoenix, :endpoint, :stop],
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%{duration: 444},
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Meta.endpoint_stop(:exception)
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)
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expected_status = OpenTelemetry.status(:error, "")
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assert_receive {:span,
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span(
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name: "/users/:user_id/exception",
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attributes: attributes,
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kind: :server,
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events: events,
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parent_span_id: 13_235_353_014_750_950_193,
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status: ^expected_status
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)}
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assert %{
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"http.client_ip": "10.211.55.2",
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"http.flavor": :"1.1",
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"http.host": "localhost",
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"http.method": "GET",
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"http.route": "/users/:user_id/exception",
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"http.scheme": "http",
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"http.status_code": 500,
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"http.target": "/users/123/exception",
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"http.user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:81.0) Gecko/20100101 Firefox/81.0",
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"net.host.ip": "10.211.55.2",
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"net.host.port": 4000,
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"net.peer.ip": "10.211.55.2",
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"net.peer.port": 64291,
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"net.transport": :"IP.TCP",
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"phoenix.action": :code_exception,
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"phoenix.plug": MyStoreWeb.PageController
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} == :otel_attributes.map(attributes)
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[
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event(
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name: "exception",
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attributes: event_attributes
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)
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] = :otel_events.list(events)
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assert [:key, :map, "exception.message", "exception.stacktrace", "exception.type"] ==
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Map.keys(:otel_attributes.map(event_attributes))
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end
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test "records exceptions for nested Phoenix routers" do
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OpentelemetryPhoenix.setup()
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:telemetry.execute(
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[:phoenix, :endpoint, :start],
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%{system_time: System.system_time()},
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Meta.endpoint_start(:exception)
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)
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:telemetry.execute(
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[:phoenix, :router_dispatch, :start],
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%{system_time: System.system_time()},
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Meta.router_dispatch_start(:exception)
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)
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:telemetry.execute(
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[:phoenix, :router_dispatch, :exception],
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%{duration: 222},
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Meta.router_dispatch_exception(:normal)
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)
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:telemetry.execute(
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[:phoenix, :endpoint, :stop],
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%{duration: 444},
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Meta.endpoint_stop(:exception)
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)
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:telemetry.execute(
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[:phoenix, :router_dispatch, :exception],
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%{duration: 222},
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Meta.router_dispatch_exception(:normal)
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)
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assert_receive {:span, _}
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assert [_ | _] = :telemetry.list_handlers([:phoenix, :router_dispatch, :exception])
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end
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test "records exceptions for Phoenix web requests with plug wrappers" do
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OpentelemetryPhoenix.setup()
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:telemetry.execute(
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[:phoenix, :endpoint, :start],
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%{system_time: System.system_time()},
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Meta.endpoint_start(:exception)
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)
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:telemetry.execute(
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[:phoenix, :router_dispatch, :start],
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%{system_time: System.system_time()},
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Meta.router_dispatch_start(:exception)
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)
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:telemetry.execute(
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[:phoenix, :router_dispatch, :exception],
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%{duration: 222},
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Meta.router_dispatch_exception(:plug_wrapper)
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)
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:telemetry.execute(
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[:phoenix, :endpoint, :stop],
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%{duration: 444},
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Meta.endpoint_stop(:exception)
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)
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expected_status = OpenTelemetry.status(:error, "")
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assert_receive {:span,
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span(
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name: "/users/:user_id/exception",
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attributes: attributes,
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kind: :server,
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events: events,
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parent_span_id: 13_235_353_014_750_950_193,
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status: ^expected_status
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)}
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assert %{
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"http.client_ip": "10.211.55.2",
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"http.flavor": :"1.1",
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"http.host": "localhost",
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"http.method": "GET",
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"http.route": "/users/:user_id/exception",
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"http.scheme": "http",
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"http.status_code": 500,
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"http.target": "/users/123/exception",
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"http.user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:81.0) Gecko/20100101 Firefox/81.0",
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"net.host.ip": "10.211.55.2",
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"net.host.port": 4000,
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"net.peer.ip": "10.211.55.2",
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"net.peer.port": 64291,
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"net.transport": :"IP.TCP",
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"phoenix.action": :code_exception,
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"phoenix.plug": MyStoreWeb.PageController
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} == :otel_attributes.map(attributes)
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[
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event(
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name: "exception",
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attributes: event_attributes
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)
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] = :otel_events.list(events)
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assert ["exception.message", "exception.stacktrace", "exception.type"] ==
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Map.keys(:otel_attributes.map(event_attributes))
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end
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defp x_forwarded_for_request(x_forwarded_for) do
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meta = Meta.endpoint_start()
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meta = %{
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meta
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| conn: %{
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meta.conn
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| req_headers: [{"x-forwarded-for", x_forwarded_for} | meta.conn.req_headers]
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}
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}
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:telemetry.execute(
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[:phoenix, :endpoint, :start],
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%{system_time: System.system_time()},
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meta
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)
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:telemetry.execute(
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[:phoenix, :endpoint, :stop],
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%{duration: 444},
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Meta.endpoint_stop()
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)
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end
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end
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