git.squeep.com Git - akkoma/blob - lib/pleroma/web/telemetry.ex

   1 defmodule Pleroma.Web.Telemetry do
   2   use Supervisor
   3   import Telemetry.Metrics
   4   alias Pleroma.Stats
   5
   6   def start_link(arg) do
   7     Supervisor.start_link(__MODULE__, arg, name: __MODULE__)
   8   end
   9
  10   @impl true
  11   def init(_arg) do
  12     children = [
  13       # Telemetry poller will execute the given period measurements
  14       # every 10_000ms. Learn more here: https://hexdocs.pm/telemetry_metrics
  15       {:telemetry_poller, measurements: periodic_measurements(), period: 10_000},
  16       # Add reporters as children of your supervision tree.
  17       # {Telemetry.Metrics.ConsoleReporter, metrics: metrics()},
  18       {TelemetryMetricsPrometheus, metrics: metrics(), plug_cowboy_opts: [ip: {127, 0, 0, 1}]}
  19     ]
  20
  21     Supervisor.init(children, strategy: :one_for_one)
  22   end
  23
  24   def metrics do
  25     [
  26       # Phoenix Metrics
  27       summary("phoenix.endpoint.stop.duration",
  28         unit: {:native, :millisecond}
  29       ),
  30       summary("phoenix.router_dispatch.stop.duration",
  31         tags: [:route],
  32         unit: {:native, :millisecond}
  33       ),
  34       distribution(
  35         "phoenix.router_dispatch.stop.duration",
  36         # event_name: [:pleroma, :repo, :query, :total_time],
  37         measurement: :duration,
  38         unit: {:native, :second},
  39         tags: [:route],
  40         reporter_options: [
  41           buckets: [0.1, 0.2, 0.5, 1, 2.5, 5, 10, 25, 50, 100, 250, 500, 1000]
  42         ]
  43       ),
  44
  45       # Database Time Metrics
  46       distribution(
  47         "pleroma.repo.query.total_time",
  48         # event_name: [:pleroma, :repo, :query, :total_time],
  49         measurement: :total_time,
  50         unit: {:native, :millisecond},
  51         reporter_options: [
  52           buckets: [0.1, 0.2, 0.5, 1, 2.5, 5, 10, 25, 50, 100, 250, 500, 1000]
  53         ]
  54       ),
  55       distribution(
  56         "pleroma.repo.query.queue_time",
  57         # event_name: [:pleroma, :repo, :query, :total_time],
  58         measurement: :queue_time,
  59         unit: {:native, :millisecond},
  60         reporter_options: [
  61           buckets: [0.01, 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2.5, 5, 10]
  62         ]
  63       ),
  64       summary("pleroma.repo.query.total_time", unit: {:native, :millisecond}),
  65       summary("pleroma.repo.query.decode_time", unit: {:native, :millisecond}),
  66       summary("pleroma.repo.query.query_time", unit: {:native, :millisecond}),
  67       summary("pleroma.repo.query.queue_time", unit: {:native, :millisecond}),
  68       summary("pleroma.repo.query.idle_time", unit: {:native, :millisecond}),
  69
  70       # VM Metrics
  71       summary("vm.memory.total", unit: {:byte, :kilobyte}),
  72       summary("vm.total_run_queue_lengths.total"),
  73       summary("vm.total_run_queue_lengths.cpu"),
  74       summary("vm.total_run_queue_lengths.io"),
  75       distribution(
  76         "oban_job_completion",
  77         event_name: [:oban, :job, :stop],
  78         measurement: :duration,
  79         tags: [:worker],
  80         tag_values: fn tags -> Map.put(tags, :worker, tags.job.worker) end,
  81         unit: {:native, :second},
  82         reporter_options: [
  83           buckets: [0.01, 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2.5, 5, 10]
  84         ]
  85       ),
  86       distribution(
  87         "oban_job_exception",
  88         event_name: [:oban, :job, :exception],
  89         measurement: :duration,
  90         tags: [:worker],
  91         tag_values: fn tags -> Map.put(tags, :worker, tags.job.worker) end,
  92         unit: {:native, :second},
  93         reporter_options: [
  94           buckets: [0.01, 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2.5, 5, 10]
  95         ]
  96       ),
  97       distribution(
  98         "tesla_request_completed",
  99         event_name: [:tesla, :request, :stop],
 100         measurement: :duration,
 101         tags: [:response_code],
 102         tag_values: fn tags -> Map.put(tags, :response_code, tags.env.status) end,
 103         unit: {:native, :second},
 104         reporter_options: [
 105           buckets: [0.01, 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2.5, 5, 10]
 106         ]
 107       ),
 108       last_value("pleroma.local_users.total"),
 109       last_value("pleroma.domains.total"),
 110       last_value("pleroma.local_statuses.total")
 111     ]
 112   end
 113
 114   defp periodic_measurements do
 115     [
 116       {__MODULE__, :instance_stats, []}
 117     ]
 118   end
 119
 120   def instance_stats do
 121     stats = Stats.get_stats()
 122     :telemetry.execute([:pleroma, :local_users], %{total: stats.user_count}, %{})
 123     :telemetry.execute([:pleroma, :domains], %{total: stats.domain_count}, %{})
 124     :telemetry.execute([:pleroma, :local_statuses], %{total: stats.status_count}, %{})
 125   end
 126 end