Support mute_time_intervals for Alertmanager

data/defaults.yaml

@@ -60,6 +60,7 @@ prometheus::alertmanager::route:
   'group_interval': '5m'
   'repeat_interval': '3h'
   'receiver': 'Admin'
+prometheus::alertmanager::mute_time_intervals: []
 prometheus::alertmanager::storage_path: '/var/lib/alertmanager'
 prometheus::alertmanager::templates: [ "%{lookup('prometheus::alertmanager::config_dir')}/*.tmpl" ]
 prometheus::alertmanager::user: 'alertmanager'

manifests/alertmanager.pp

@@ -47,6 +47,12 @@
 #  Should puppet manage the service? (default true)
 # @param manage_user
 #  Whether to create user or rely on external code for that
+# @param mute_time_intervals
+#  Array of mute time intervals
+#  Example:
+#  prometheus::alertmanager::mute_time_intervals:
+#  - name: weekend
+#    weekdays: ['saturday','sunday']
 # @param os
 #  Operating system (linux is the only one supported)
 # @param package_ensure
@@ -103,6 +109,7 @@
   String[1] $package_name,
   Array $receivers,
   Hash $route,
+  Array[Hash] $mute_time_intervals,
   Stdlib::Absolutepath $storage_path,
   Array $templates,
   String[1] $user,

spec/classes/alertmanager_spec.rb

@@ -35,6 +35,9 @@
             is_expected.to contain_file('/etc/alertmanager/alertmanager.yaml').with_notify('Service[alertmanager]')
             verify_contents(catalogue, '/etc/alertmanager/alertmanager.yaml', ['---', 'global:', '  smtp_smarthost: localhost:25', '  smtp_from: alertmanager@localhost'])
           }
+          it {
+            is_expected.not_to contain_file('/etc/alertmanager/alertmanager.yaml').with_content(%r{mute_time_intervals})
+          }
         end
         describe 'service reload' do
           it {
@@ -47,6 +50,29 @@
         end
       end
 
+      context 'with latest version specified and mute_time_intervals' do
+        let(:params) do
+          {
+            version: '0.22.0',
+            arch: 'amd64',
+            os: 'linux',
+            bin_dir: '/usr/local/bin',
+            install_method: 'url',
+            mute_time_intervals: [{ 'name' => 'weekend', 'weekdays' => ['saturday','sunday'] }],
+          }
+        end
+
+        it {
+          verify_contents(catalogue, '/etc/alertmanager/alertmanager.yaml', [
+            'mute_time_intervals:',
+            '- name: weekend',
+            '  weekdays:',
+            '  - saturday',
+            '  - sunday',
+          ])
+        }
+      end
+
       context 'when reload_on_change => true' do
         let(:params) { { reload_on_change: true } }
 

templates/alertmanager.yaml.erb

@@ -5,4 +5,9 @@
 <% receivers = scope.lookupvar('::prometheus::alertmanager::receivers') -%>
 <% inhibit_rules = scope.lookupvar('::prometheus::alertmanager::inhibit_rules') -%>
 <% full_config = { 'global'=>global, 'templates'=>templates, 'route'=>route, 'receivers'=>receivers, 'inhibit_rules'=>inhibit_rules } -%>
+<%
+if scope.function_versioncmp([scope.lookupvar('::prometheus::alertmanager::version'), '0.22.0']) >= 0
+  full_config['mute_time_intervals'] = scope.lookupvar('::prometheus::alertmanager::mute_time_intervals')
+end
+-%>
 <%= full_config.to_yaml -%>