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service_watcher_sup

0.1.7
0.2.6 0.2.5 0.2.1 0.2.0 0.1.9 0.1.8 0.1.7 0.1.4 0.1.3 0.1.2 0.1.1

This is a GenServer-ish implementation of a Service watcher. A process that is designed to poll service state every given number of miliseconds and perform due actions in case it is not in designated state. The process is also capable of sending notifications to the configured recipient in Slack.

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service_watcher_sup lib service_watcher_sup application.ex
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lib/service_watcher_sup/application.ex 

defmodule Service.Watcher.Application do

  # See https://hexdocs.pm/elixir/Application.html


  # for more information on OTP Applications


  @moduledoc false



  import Supervisor.Spec



  use Application



  def start(_type, _args) do

    services = Application.get_env(:service_watcher_sup, :services, [])

      |> Enum.map(fn name -> %Service.Def{service_name: name, mode: :on, timeout: 5_000} end)

    # List all child processes to be supervised


    children = [

      # worker(RabbitMQSender, [[], [name: RabbitMQSender]]),


      worker(Registry, [[keys: :unique, name: NamesRegistry]], [name: NamesRegistry]),

      supervisor(JobSupervisor, []),

      worker(Service.Watcher, [services, [name: Service.Watcher]])

      # Starts a worker by calling: Service.Watcher.Worker.start_link(arg)


      # {Service.Watcher.Worker, arg},


    ]



    # See https://hexdocs.pm/elixir/Supervisor.html


    # for other strategies and supported options


    opts = [strategy: :one_for_one, name: Service.Watcher.Supervisor]

    Supervisor.start_link(children, opts)

  end

end