itamae/cookbooks/prometheus/alertmanager_setup.rb

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# Create `/etc/prometheus.d/alerts`:
%w(/etc/prometheus.d/alerts).each do |d|
directory d do
owner 'root'
group 'root'
mode '0755'
end
end
# Deploy `alertmanager` file:
remote_file '/etc/prometheus.d/alertmanager.yml' do
owner 'root'
group 'root'
mode '644'
notifies :restart, 'service[supervisor]'
end
# Deploy alert setting file:
remote_file '/etc/prometheus.d/alerts/resource.yml' do
owner 'root'
group 'root'
mode '644'
notifies :restart, 'service[supervisor]'
end
# Restart the `supervisor`:
service 'supervisor' do
action :nothing
end
# Firewall settings here:
%w( 9093/tcp ).each do |p|
execute "ufw allow #{p}" do
user 'root'
not_if "LANG=c ufw status | grep #{p}"
notifies :run, 'execute[ufw reload-or-enable]'
end
end
execute 'ufw reload-or-enable' do
user 'root'
command 'LANG=C ufw reload | grep skipping && ufw --force enable || exit 0'
action :nothing
end