enhancement: Add time_intervals to AlertManager (#251)

* enhancement: Add time_intervals to AlertManager --------- Signed-off-by: Shaun Megaw <[email protected]>
prometheus-community · Dec 12, 2023 · 6223e3b · 6223e3b
1 parent e6c9dec
commit 6223e3b
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Showing 5 changed files with 30 additions and 1 deletion.
diff --git a/roles/alertmanager/defaults/main.yml b/roles/alertmanager/defaults/main.yml
@@ -64,7 +64,14 @@ alertmanager_receivers: []
 #     slack_configs:
 #       - send_resolved: true
 #         channel: '#alerts'
-
+alertmanager_time_intervals: []
+# alertmanager_time_intervals:
+#   - name: offhours
+#      time_intervals:
+#        - times:
+#            - start_time: "21:00"
+#              end_time: "24:00"
+#          location: "Africa/Johannesburg"
 alertmanager_inhibit_rules: []
 # alertmanager_inhibit_rules:
 #   - target_match:

diff --git a/roles/alertmanager/meta/argument_specs.yml b/roles/alertmanager/meta/argument_specs.yml
@@ -92,6 +92,9 @@ argument_specs:
       alertmanager_receivers:
         description: "A list of notification receivers. Configuration same as in L(official docs,https://prometheus.io/docs/alerting/configuration/#receiver)"
         type: "list"
+      alertmanager_time_intervals:
+        description: "A list of time intervals. Configuration same as in L(official docs,https://prometheus.io/docs/alerting/latest/configuration/#time_interval)"
+        type: "list"
       alertmanager_inhibit_rules:
         description: "List of inhibition rules. Same as in L(official docs,https://prometheus.io/docs/alerting/configuration/#inhibit_rule)"
         type: "list"

diff --git a/roles/alertmanager/molecule/default/molecule.yml b/roles/alertmanager/molecule/default/molecule.yml
@@ -15,3 +15,10 @@ provisioner:
           group_interval: 5m
           repeat_interval: 3h
           receiver: slack
+        alertmanager_time_intervals:
+          - name: offhours
+            time_intervals:
+              - times:
+                  - start_time: "21:00"
+                    end_time: "24:00"
+                location: "Africa/Johannesburg"
diff --git a/roles/alertmanager/tasks/preflight.yml b/roles/alertmanager/tasks/preflight.yml
@@ -155,3 +155,11 @@
     msg: "Please move content of `alertmanager_child_routes` to `alertmanager_route.routes` as the former variable is deprecated
           and will be removed in future versions."
   when: alertmanager_child_routes is defined
+
+- name: "`alertmanager_time_intervals` is only supported on version 0.22.0. Please upgrade to this version."
+  ansible.builtin.fail:
+    msg: "To use `alertmanager_time_intervals`,
+          Please upgrade to AlertManager 0.22.0 or newer."
+  when:
+    - alertmanager_version is version_compare('0.22.0', '<')
+    - alertmanager_time_intervals is defined
diff --git a/roles/alertmanager/templates/alertmanager.yml.j2 b/roles/alertmanager/templates/alertmanager.yml.j2
@@ -52,5 +52,9 @@ receivers:
 inhibit_rules:
 {{ alertmanager_inhibit_rules | to_nice_yaml(indent=2) }}
 {% endif %}
+{% if alertmanager_time_intervals | length %}
+time_intervals:
+{{ alertmanager_time_intervals | to_nice_yaml(indent=2) }}
+{% endif %}
 route:
   {{ alertmanager_route | to_nice_yaml(indent=2) | indent(2, False) }}