Files
pinchflat/lib/pinchflat/application.ex
T
Kieran fb27988963 [Enhancement] Add Prometheus support (#556)
* Added prometheus to deps list

* WIP - screwing around with Prometheus and grafana

* Added basic prometheus config

* Updated docs in prom_ex module

* Updated README
2025-01-09 12:38:17 -08:00

71 lines
2.3 KiB
Elixir

defmodule Pinchflat.Application do
# See https://hexdocs.pm/elixir/Application.html
# for more information on OTP Applications
@moduledoc false
use Application
require Logger
@impl true
def start(_type, _args) do
check_and_update_timezone()
children = [
Pinchflat.PromEx,
PinchflatWeb.Telemetry,
Pinchflat.Repo,
# Must be before startup tasks
Pinchflat.Boot.PreJobStartupTasks,
{Oban, Application.fetch_env!(:pinchflat, Oban)},
Pinchflat.Boot.PostJobStartupTasks,
{DNSCluster, query: Application.get_env(:pinchflat, :dns_cluster_query) || :ignore},
{Phoenix.PubSub, name: Pinchflat.PubSub},
# Start the Finch HTTP client for sending emails
{Finch, name: Pinchflat.Finch},
# Start a worker by calling: Pinchflat.Worker.start_link(arg)
# {Pinchflat.Worker, arg},
# Start to serve requests, typically the last entry
PinchflatWeb.Endpoint
]
attach_oban_telemetry()
Logger.add_handlers(:pinchflat)
# See https://hexdocs.pm/elixir/Supervisor.html
# for other strategies and supported options
opts = [strategy: :one_for_one, name: Pinchflat.Supervisor]
Supervisor.start_link(children, opts)
end
# Tell Phoenix to update the endpoint configuration
# whenever the application is updated.
@impl true
def config_change(changed, _new, removed) do
PinchflatWeb.Endpoint.config_change(changed, removed)
:ok
end
defp attach_oban_telemetry do
events = [[:oban, :job, :start], [:oban, :job, :stop], [:oban, :job, :exception]]
:ok = Oban.Telemetry.attach_default_logger()
:telemetry.attach_many("job-telemetry-broadcast", events, &PinchflatWeb.Telemetry.job_state_change_broadcast/4, [])
end
# This has to be here (rather than runtime.exs) since the `tzdata` application
# has to be started before we can check the timezone
defp check_and_update_timezone do
attempted_timezone = System.get_env("TIMEZONE") || System.get_env("TZ") || "UTC"
valid_timezone =
if Tzdata.zone_exists?(attempted_timezone) do
attempted_timezone
else
Logger.warning("Invalid timezone #{attempted_timezone}, defaulting to UTC")
"UTC"
end
Application.put_env(:pinchflat, :timezone, valid_timezone)
end
end