itamae/cookbooks/prometheus/default.rb

# Loading the attributes:
include_recipe './attributes.rb'

include_recipe './prometheus_install.rb'
include_recipe './prometheus_setup.rb'

include_recipe './alertmanager_install.rb'
include_recipe './alertmanager_setup.rb'

include_recipe './alertmanager_webhook_install.rb'
include_recipe './alertmanager_webhook_setup.rb'

# Deploy /etc/hosts file:
HOSTNAME = run_command('uname -n').stdout.chomp

template '/etc/promtail/prometheus.yaml' do
  owner 'root'
  group 'root'
  mode '644'

  variables(HOSTNAME: HOSTNAME, LOKIENDPOINT: node['promtail']['lokiendpoint'])

  notifies :restart, 'service[promtail-prometheus]'
end

# Deploy the `systemd` configuration:
remote_file '/lib/systemd/system/promtail-prometheus.service' do
  owner 'root'
  group 'root'
  mode '644'
end

# Service setting:
service 'promtail-prometheus' do
  action [ :enable, :restart ]
end