hj/pleroma
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Switch to PromEx for prometheus metrics

Browse source 
Recommending use of the separate HTTP server for exposing the metrics
and securing it externally on your firewall or reverse proxy. It will
listen on port 4021 by default.
This commit is contained in:
Mark Felder 2022-11-02 22:49:55 -04:00
commit 66cb3294ed
10 changed files with 79 additions and 161 deletions
Download patch file Download diff file Expand all files Collapse all files

69
test/pleroma/web/endpoint/metrics_exporter_test.exs
View file

@ -1,69 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Endpoint.MetricsExporterTest do
# Modifies AppEnv, has to stay synchronous
use Pleroma.Web.ConnCase
alias Pleroma.Web.Endpoint.MetricsExporter
defp config do
Application.get_env(:prometheus, MetricsExporter)
end
describe "with default config" do
test "does NOT expose app metrics", %{conn: conn} do
conn
|> get(config()[:path])
|> json_response(404)
end
end
describe "when enabled" do
setup do
initial_config = config()
on_exit(fn -> Application.put_env(:prometheus, MetricsExporter, initial_config) end)
Application.put_env(
:prometheus,
MetricsExporter,
Keyword.put(initial_config, :enabled, true)
)
end
test "serves app metrics", %{conn: conn} do
conn = get(conn, config()[:path])
assert response = response(conn, 200)
for metric <- [
"http_requests_total",
"http_request_duration_microseconds",
"phoenix_controller_call_duration",
"telemetry_scrape_duration",
"erlang_vm_memory_atom_bytes_total"
] do
assert response =~ ~r/#{metric}/
end
end
test "when IP whitelist configured, " <>
"serves app metrics only if client IP is whitelisted",
%{conn: conn} do
Application.put_env(
:prometheus,
MetricsExporter,
Keyword.put(config(), :ip_whitelist, ["127.127.127.127", {1, 1, 1, 1}, '255.255.255.255'])
)
conn
|> get(config()[:path])
|> json_response(404)
conn
|> Map.put(:remote_ip, {127, 127, 127, 127})
|> get(config()[:path])
|> response(200)
end
end
end