Files
kafkaex-lag-exporter/lib/kafkaex_lag_exporter/application.ex

53 lines
1.6 KiB
Elixir

defmodule KafkaexLagExporter.Application do
# See https://hexdocs.pm/elixir/Application.html
# for more information on OTP Applications
@moduledoc false
use Application
@impl true
def start(_type, _args) do
consumer_group_opts = [
# setting for the ConsumerGroup
heartbeat_interval: 1_000,
# this setting will be forwarded to the GenConsumer
commit_interval: 1_000
]
gen_consumer_impl = KafkaexLagExporter.ConsumerOffsetsGenConsumer
consumer_group_name = "offsets_group"
topic_names = ["__consumer_offsets"]
children = [
KafkaexLagExporter.PromEx,
# Start the Telemetry supervisor
KafkaexLagExporterWeb.Telemetry,
# Start the PubSub system
{Phoenix.PubSub, name: KafkaexLagExporter.PubSub},
# Start the Endpoint (http/https)
KafkaexLagExporterWeb.Endpoint,
# Start a worker by calling: KafkaexLagExporter.Worker.start_link(arg)
# {KafkaexLagExporter.Worker, arg}
%{
id: KafkaEx.ConsumerGroup,
start:
{KafkaEx.ConsumerGroup, :start_link,
[gen_consumer_impl, consumer_group_name, topic_names, consumer_group_opts]}
}
]
# See https://hexdocs.pm/elixir/Supervisor.html
# for other strategies and supported options
opts = [strategy: :one_for_one, name: KafkaexLagExporter.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
KafkaexLagExporterWeb.Endpoint.config_change(changed, removed)
:ok
end
end