Remove OTEL

lib/plausible/application.ex

@@ -22,7 +22,6 @@ defmodule Plausible.Application do
     ]
 
     opts = [strategy: :one_for_one, name: Plausible.Supervisor]
-    setup_opentelemetry()
     setup_sentry()
     setup_cache_stats()
     Location.load_all()
@@ -54,13 +53,6 @@ defmodule Plausible.Application do
     )
   end
 
-  def setup_opentelemetry() do
-    OpentelemetryPhoenix.setup()
-    OpentelemetryEcto.setup([:plausible, :repo])
-    OpentelemetryEcto.setup([:plausible, :clickhouse_repo])
-    OpentelemetryOban.setup()
-  end
-
   def report_cache_stats() do
     case Cachex.stats(:user_agents) do
       {:ok, stats} ->

lib/plausible/event/write_buffer.ex

@@ -1,7 +1,6 @@
 defmodule Plausible.Event.WriteBuffer do
   use GenServer
   require Logger
-  use OpenTelemetryDecorator
 
   def start_link(_opts) do
     GenServer.start_link(__MODULE__, [], name: __MODULE__)
@@ -55,7 +54,6 @@ defmodule Plausible.Event.WriteBuffer do
     do_flush(buffer)
   end
 
-  @decorate trace("ingest.flush_events")
   defp do_flush(buffer) do
     case buffer do
       [] ->

lib/plausible/session/write_buffer.ex

@@ -1,7 +1,6 @@
 defmodule Plausible.Session.WriteBuffer do
   use GenServer
   require Logger
-  use OpenTelemetryDecorator
 
   def start_link(_opts) do
     GenServer.start_link(__MODULE__, [], name: __MODULE__)
@@ -43,7 +42,6 @@ defmodule Plausible.Session.WriteBuffer do
     flush(buffer)
   end
 
-  @decorate trace("ingest.flush_sessions")
   defp flush(buffer) do
     case buffer do
       [] ->

lib/plausible_web/controllers/api/external_controller.ex

@@ -1,6 +1,5 @@
 defmodule PlausibleWeb.Api.ExternalController do
   use PlausibleWeb, :controller
-  use OpenTelemetryDecorator
   require Logger
 
   def event(conn, _params) do
@@ -50,7 +49,6 @@ defmodule PlausibleWeb.Api.ExternalController do
     })
   end
 
-  @decorate trace("ingest.parse_user_agent")
   defp parse_user_agent(conn) do
     user_agent = Plug.Conn.get_req_header(conn, "user-agent") |> List.first()
 
@@ -423,7 +421,6 @@ defmodule PlausibleWeb.Api.ExternalController do
     2_647_694 => 2_643_743
   }
 
-  @decorate trace("ingest.geolocation")
   defp visitor_location_details(conn) do
     result =
       PlausibleWeb.RemoteIp.get(conn)
@@ -464,7 +461,6 @@ defmodule PlausibleWeb.Api.ExternalController do
   defp ignore_unknown_country("ZZ"), do: nil
   defp ignore_unknown_country(country), do: country
 
-  @decorate trace("ingest.parse_referrer")
   defp parse_referrer(_, nil), do: nil
 
   defp parse_referrer(uri, referrer_str) do

mix.exs

@@ -94,13 +94,6 @@ defmodule Plausible.MixProject do
       {:phoenix_pagination, "~> 0.7.0"},
       {:hammer, "~> 6.0"},
       {:public_suffix, git: "https://github.com/axelson/publicsuffix-elixir"},
-      {:telemetry, "~> 1.0", override: true},
-      {:opentelemetry, "1.0.0-rc.3"},
-      {:open_telemetry_decorator, "~> 1.0.0-rc.3"},
-      {:opentelemetry_exporter, "1.0.0-rc.3"},
-      {:opentelemetry_phoenix, "1.0.0-rc.5"},
-      {:opentelemetry_ecto, "1.0.0-rc.3"},
-      {:opentelemetry_oban, "~> 0.2.0-rc.2"},
       {:floki, "~> 0.32.0", only: :test},
       {:referrer_blocklist, git: "https://github.com/plausible/referrer-blocklist.git"}
     ]

mix.lock

@@ -93,7 +93,7 @@
   "siphash": {:hex, :siphash, "3.2.0", "ec03fd4066259218c85e2a4b8eec4bb9663bc02b127ea8a0836db376ba73f2ed", [:make, :mix], [], "hexpm", "ba3810701c6e95637a745e186e8a4899087c3b079ba88fb8f33df054c3b0b7c3"},
   "sleeplocks": {:hex, :sleeplocks, "1.1.1", "3d462a0639a6ef36cc75d6038b7393ae537ab394641beb59830a1b8271faeed3", [:rebar3], [], "hexpm", "84ee37aeff4d0d92b290fff986d6a95ac5eedf9b383fadfd1d88e9b84a1c02e1"},
   "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.6", "cf344f5692c82d2cd7554f5ec8fd961548d4fd09e7d22f5b62482e5aeaebd4b0", [:make, :mix, :rebar3], [], "hexpm", "bdb0d2471f453c88ff3908e7686f86f9be327d065cc1ec16fa4540197ea04680"},
-  "telemetry": {:hex, :telemetry, "1.0.0", "0f453a102cdf13d506b7c0ab158324c337c41f1cc7548f0bc0e130bbf0ae9452", [:rebar3], [], "hexpm", "73bc09fa59b4a0284efb4624335583c528e07ec9ae76aca96ea0673850aec57a"},
+  "telemetry": {:hex, :telemetry, "0.4.3", "a06428a514bdbc63293cd9a6263aad00ddeb66f608163bdec7c8995784080818", [:rebar3], [], "hexpm", "eb72b8365ffda5bed68a620d1da88525e326cb82a75ee61354fc24b844768041"},
   "telemetry_registry": {:hex, :telemetry_registry, "0.3.0", "6768f151ea53fc0fbca70dbff5b20a8d663ee4e0c0b2ae589590e08658e76f1e", [:mix, :rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "492e2adbc609f3e79ece7f29fec363a97a2c484ac78a83098535d6564781e917"},
   "timex": {:hex, :timex, "3.7.6", "502d2347ec550e77fdf419bc12d15bdccd31266bb7d925b30bf478268098282f", [:mix], [{:combine, "~> 0.10", [hex: :combine, repo: "hexpm", optional: false]}, {:gettext, "~> 0.10", [hex: :gettext, repo: "hexpm", optional: false]}, {:tzdata, "~> 1.0", [hex: :tzdata, repo: "hexpm", optional: false]}], "hexpm", "a296327f79cb1ec795b896698c56e662ed7210cc9eb31f0ab365eb3a62e2c589"},
   "tzdata": {:hex, :tzdata, "1.1.0", "72f5babaa9390d0f131465c8702fa76da0919e37ba32baa90d93c583301a8359", [:mix], [{:hackney, "~> 1.17", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "18f453739b48d3dc5bcf0e8906d2dc112bb40baafe2c707596d89f3c8dd14034"},