Alerting: Add support for TTL for pushover for Mimir Alertmanager (#78687)

.github/CODEOWNERS

@@ -462,6 +462,7 @@ cypress.config.js @grafana/grafana-frontend-platform
 /public/app/routes/ @grafana/grafana-frontend-platform
 /public/app/store/ @grafana/grafana-frontend-platform
 /public/app/types/ @grafana/grafana-frontend-platform
+/public/app/types/alerting.ts @grafana/alerting-frontend
 /public/dashboards/ @grafana/dashboards-squad
 /public/fonts/ @grafana/alerting-frontend
 /public/gazetteer/ @ryantxu

docs/sources/alerting/set-up/provision-alerting-resources/file-provisioning/index.md

@@ -355,6 +355,8 @@ settings:
   retry: '30'
   # <string>
   expire: '120'
+  # <string> the number of seconds before a message expires and is deleted automatically. Examples: 10s, 5m30s, 8h.
+  ttl:
   # <string>
   sound: siren
   # <string>

docs/sources/old-alerting/notifications.md

@@ -183,6 +183,7 @@ To set up Pushover, you must provide a user key and an API token. Refer to [What
 | OK priority    | The priority OK notifications are sent; if not set, then OK notifications are sent with the priority set for alerting notifications |
 | Retry          | How often (in seconds) the Pushover servers send the same notification to the user. (minimum 30 seconds)                            |
 | Expire         | How many seconds your notification will continue to be retried for (maximum 86400 seconds)                                          |
+| TTL            | The number of seconds before a message expires and is deleted automatically. Examples: 10s, 5m30s, 8h.                              |
 | Alerting sound | The sound for alerting notifications                                                                                                |
 | OK sound       | The sound for OK notifications                                                                                                      |
 

public/app/features/alerting/unified/utils/cloud-alertmanager-notifier-types.ts

@@ -175,6 +175,16 @@ export const cloudNotifierTypes: Array<NotifierDTO<CloudNotifierType>> = [
           placeholder: '1h',
         }
       ),
+      option(
+        'ttl',
+        'TTL',
+        'The number of seconds before a message expires and is deleted automatically. Examples: 10s, 5m30s, 8h.',
+        {
+          // allow 30s, 4m30s, etc
+          validationRule: '^(\\d+[s|m|h])+$|^$',
+          element: 'input',
+        }
+      ),
       httpConfigOption,
     ],
   },