Phoenix.Logger defines an install/0
function to attach telemetry handlers:
@doc false
def install do
handlers = %{
[:phoenix, :endpoint, :start] => &phoenix_endpoint_start/4,
[:phoenix, :endpoint, :stop] => &phoenix_endpoint_stop/4,
[:phoenix, :router_dispatch, :start] => &phoenix_router_dispatch_start/4,
# [:phoenix, :router_dispatch, :stop] => &phoenix_router_dispatch_stop/4,
[:phoenix, :error_rendered] => &phoenix_error_rendered/4,
[:phoenix, :socket_connected] => &phoenix_socket_connected/4,
[:phoenix, :channel_joined] => &phoenix_channel_joined/4,
[:phoenix, :channel_handled_in] => &phoenix_channel_handled_in/4
}
for {key, fun} <- handlers do
:telemetry.attach({__MODULE__, key}, key, fun, :ok)
end
end
Is it somehow possible to replace these with custom handlers?