137 lines
4.3 KiB
Elixir
137 lines
4.3 KiB
Elixir
defmodule Pleroma.Web.Telemetry do
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use Supervisor
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import Telemetry.Metrics
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alias Pleroma.Stats
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def start_link(arg) do
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Supervisor.start_link(__MODULE__, arg, name: __MODULE__)
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end
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@impl true
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def init(_arg) do
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children = [
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{:telemetry_poller, measurements: periodic_measurements(), period: 10_000},
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{TelemetryMetricsPrometheus, metrics: prometheus_metrics(), plug_cowboy_opts: [ip: {127, 0, 0, 1}]}
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]
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Supervisor.init(children, strategy: :one_for_one)
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end
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@doc """
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A seperate set of metrics for distributions because phoenix dashboard does NOT handle
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them well
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"""
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defp distribution_metrics do
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[
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distribution(
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"phoenix.router_dispatch.stop.duration",
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# event_name: [:pleroma, :repo, :query, :total_time],
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measurement: :duration,
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unit: {:native, :second},
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tags: [:route],
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reporter_options: [
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buckets: [0.1, 0.2, 0.5, 1, 2.5, 5, 10, 25, 50, 100, 250, 500, 1000]
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]
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),
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# Database Time Metrics
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distribution(
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"pleroma.repo.query.total_time",
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# event_name: [:pleroma, :repo, :query, :total_time],
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measurement: :total_time,
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unit: {:native, :millisecond},
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reporter_options: [
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buckets: [0.1, 0.2, 0.5, 1, 2.5, 5, 10, 25, 50, 100, 250, 500, 1000]
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]
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),
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distribution(
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"pleroma.repo.query.queue_time",
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# event_name: [:pleroma, :repo, :query, :total_time],
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measurement: :queue_time,
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unit: {:native, :millisecond},
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reporter_options: [
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buckets: [0.01, 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2.5, 5, 10]
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]
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),
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distribution(
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"oban_job_exception",
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event_name: [:oban, :job, :exception],
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measurement: :duration,
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tags: [:worker],
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tag_values: fn tags -> Map.put(tags, :worker, tags.job.worker) end,
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unit: {:native, :second},
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reporter_options: [
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buckets: [0.01, 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2.5, 5, 10]
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]
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),
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distribution(
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"tesla_request_completed",
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event_name: [:tesla, :request, :stop],
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measurement: :duration,
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tags: [:response_code],
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tag_values: fn tags -> Map.put(tags, :response_code, tags.env.status) end,
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unit: {:native, :second},
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reporter_options: [
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buckets: [0.01, 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2.5, 5, 10]
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]
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),
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distribution(
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"oban_job_completion",
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event_name: [:oban, :job, :stop],
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measurement: :duration,
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tags: [:worker],
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tag_values: fn tags -> Map.put(tags, :worker, tags.job.worker) end,
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unit: {:native, :second},
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reporter_options: [
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buckets: [0.01, 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2.5, 5, 10]
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]
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)
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]
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end
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defp summary_metrics do
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[
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# Phoenix Metrics
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summary("phoenix.endpoint.stop.duration",
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unit: {:native, :millisecond}
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),
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summary("phoenix.router_dispatch.stop.duration",
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tags: [:route],
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unit: {:native, :millisecond}
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),
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summary("pleroma.repo.query.total_time", unit: {:native, :millisecond}),
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summary("pleroma.repo.query.decode_time", unit: {:native, :millisecond}),
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summary("pleroma.repo.query.query_time", unit: {:native, :millisecond}),
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summary("pleroma.repo.query.queue_time", unit: {:native, :millisecond}),
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summary("pleroma.repo.query.idle_time", unit: {:native, :millisecond}),
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# VM Metrics
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summary("vm.memory.total", unit: {:byte, :kilobyte}),
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summary("vm.total_run_queue_lengths.total"),
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summary("vm.total_run_queue_lengths.cpu"),
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summary("vm.total_run_queue_lengths.io"),
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last_value("pleroma.local_users.total"),
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last_value("pleroma.domains.total"),
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last_value("pleroma.local_statuses.total")
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]
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end
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def prometheus_metrics, do: summary_metrics() ++ distribution_metrics()
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def live_dashboard_metrics, do: summary_metrics()
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defp periodic_measurements do
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[
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{__MODULE__, :instance_stats, []}
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]
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end
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def instance_stats do
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stats = Stats.get_stats()
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:telemetry.execute([:pleroma, :local_users], %{total: stats.user_count}, %{})
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:telemetry.execute([:pleroma, :domains], %{total: stats.domain_count}, %{})
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:telemetry.execute([:pleroma, :local_statuses], %{total: stats.status_count}, %{})
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end
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end
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