Spandex.Plug.StartTrace (Spandex v3.1.0) View Source

Starts a trace, skipping ignored routes or methods. Store info in Conn assigns if we actually trace the request.

Link to this section Summary

Functions

Callback implementation for Plug.call/2.

Accepts and validates opts for the plug, and underlying tracer.

Link to this section Functions

Specs

call(conn :: Plug.Conn.t(), opts :: Keyword.t()) :: Plug.Conn.t()

Callback implementation for Plug.call/2.

Specs

init(opts :: Keyword.t()) :: Keyword.t()

Accepts and validates opts for the plug, and underlying tracer.


Opts

  • tracer(:atom) Required: The tracing module to be used to start the trace.
  • ignored_methods({:list, :string}): A list of strings representing methods to ignore. A good example would be ["OPTIONS"] - Default: []
  • ignored_routes({:list, [:regex, :string]}): A list of strings or regexes. If it is a string, it must match exactly. - Default: []
  • tracer_opts(:keyword): Any opts to be passed to the tracer when starting or continuing the trace. - Default: []
  • span_name(:string): The name to be used for the top level span. - Default: "request"