philomena/lib/philomena/application.ex

57 lines
1.8 KiB
Elixir

defmodule Philomena.Application do
# See https://hexdocs.pm/elixir/Application.html
# for more information on OTP Applications
@moduledoc false
use Application
def start(_type, _args) do
# List all child processes to be supervised
children = [
# Start the Ecto repository
Philomena.Repo,
# Background queueing system
Philomena.ExqSupervisor,
# Starts a worker by calling: Philomena.Worker.start_link(arg)
# {Philomena.Worker, arg},
{Redix, name: :redix, host: Application.get_env(:philomena, :redis_host)},
{Phoenix.PubSub,
[
name: Philomena.PubSub,
adapter: Phoenix.PubSub.Redis,
host: Application.get_env(:philomena, :redis_host),
node_name: valid_node_name(node())
]},
# Start the endpoint when the application starts
PhilomenaWeb.AdvertUpdater,
PhilomenaWeb.UserFingerprintUpdater,
PhilomenaWeb.UserIpUpdater,
PhilomenaWeb.Endpoint,
# Connection drainer for SIGTERM
{Plug.Cowboy.Drainer, refs: [PhilomenaWeb.Endpoint.HTTP]}
]
# See https://hexdocs.pm/elixir/Supervisor.html
# for other strategies and supported options
opts = [strategy: :one_for_one, name: Philomena.Supervisor]
Supervisor.start_link(children, opts)
end
# Tell Phoenix to update the endpoint configuration
# whenever the application is updated.
def config_change(changed, _new, removed) do
PhilomenaWeb.Endpoint.config_change(changed, removed)
:ok
end
# Redis adapter really really wants you to have a unique node name,
# so just fake one if iex is being started
defp valid_node_name(node) when node in [nil, :nonode@nohost],
do: Base.encode16(:crypto.strong_rand_bytes(6))
defp valid_node_name(node), do: node
end