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120 lines
3.9 KiB
Elixir
120 lines
3.9 KiB
Elixir
defmodule AshHqWeb.Telemetry do
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@moduledoc "Telemetry metrics registry/handler"
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use Supervisor
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import Telemetry.Metrics
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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 will execute the given period measurements
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# every 10_000ms. Learn more here: https://hexdocs.pm/telemetry_metrics
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{:telemetry_poller, measurements: periodic_measurements(), period: 10_000}
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# Add reporters as children of your supervision tree.
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# {Telemetry.Metrics.ConsoleReporter, metrics: metrics()}
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]
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Supervisor.init(children, strategy: :one_for_one)
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end
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def 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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# Ash Metrics
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summary("ash.flow.stop.duration",
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unit: {:native, :millisecond},
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tags: [:flow_short_name]
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),
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summary("ash.docs.read.stop.duration",
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tags: [:resource_short_name, :action],
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unit: {:native, :millisecond}
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),
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summary("ash.docs.create.stop.duration",
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tags: [:resource_short_name, :action],
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unit: {:native, :millisecond}
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),
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summary("ash.docs.update.stop.duration",
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tags: [:resource_short_name, :action],
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unit: {:native, :millisecond}
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),
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summary("ash.docs.destroy.stop.duration",
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tags: [:resource_short_name, :action],
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unit: {:native, :millisecond}
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),
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summary("ash.changeset.stop.duration",
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tags: [:resource_short_name, :action],
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unit: {:native, :millisecond}
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),
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summary("ash.query.stop.duration",
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tags: [:resource_short_name, :action],
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unit: {:native, :millisecond}
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),
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summary("ash.validation.stop.duration",
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tags: [:resource_short_name, :validation],
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unit: {:native, :millisecond}
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),
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summary("ash.change.stop.duration",
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tags: [:resource_short_name, :change],
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unit: {:native, :millisecond}
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),
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summary("ash.preparation.stop.duration",
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tags: [:resource_short_name, :preparation],
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unit: {:native, :millisecond}
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),
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summary("ash.request_step.stop.duration",
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tags: [:name],
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unit: {:native, :millisecond}
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),
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summary("ash.flow.custom_step.stop.duration",
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tags: [:flow_short_name, :name],
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unit: {:native, :millisecond}
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),
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# Database Metrics
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summary("ash_hq.repo.query.total_time",
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unit: {:native, :millisecond},
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description: "The sum of the other measurements"
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),
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summary("ash_hq.repo.query.decode_time",
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unit: {:native, :millisecond},
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description: "The time spent decoding the data received from the database"
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),
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summary("ash_hq.repo.query.query_time",
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unit: {:native, :millisecond},
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description: "The time spent executing the query"
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),
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summary("ash_hq.repo.query.queue_time",
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unit: {:native, :millisecond},
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description: "The time spent waiting for a database connection"
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),
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summary("ash_hq.repo.query.idle_time",
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unit: {:native, :millisecond},
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description:
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"The time the connection spent waiting before being checked out for the query"
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),
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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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]
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end
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defp periodic_measurements do
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[
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# A module, function and arguments to be invoked periodically.
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# This function must call :telemetry.execute/3 and a metric must be added above.
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# {AshHqWeb, :count_users, []}
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]
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end
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end
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