Use custom AlertManagerConfig (#70)

* Use custom AlertManagerConfig

* fix env variable name

Author: mallport

.github/workflows/alert-deploy.yaml

@@ -1,15 +1,18 @@
 name: Deploy alerts
-run-name: Deploy alerts for dapla-statbank-authenticator to test and prod
+run-name: Deploy alerts for Dapla Statbank Authenticator to test and prod
 
 on:
   push:
     branches:
       - master
     paths:
       - '.nais/alerts.yaml'
-      - '.github/workflows/alert-deploy.yml'
+      - '.github/workflows/alert-deploy.yaml'
+  workflow_dispatch:
 permissions:
   id-token: write
+env:
+  TEAM: dapla-stat
 
 jobs:
   test-deploy:
@@ -18,22 +21,44 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+
+      - uses: actions/checkout@v4
+        name: Retrieve AlertManager configuration
+        with:
+          repository: "statisticsnorway/nais-alert-config"
+          path: "ext_alertconfig"
+          sparse-checkout: |
+            alertconfig.yaml
+          sparse-checkout-cone-mode: false
+
       - name: Deploy to test
         uses: nais/deploy/actions/deploy@v2
         env:
           CLUSTER: test
-          RESOURCE: .nais/alerts.yaml
+          RESOURCE: .nais/alerts.yaml,ext_alertconfig/alertconfig.yaml
           DEPLOY_SERVER: deploy.ssb.cloud.nais.io:443
-
+          VAR: cluster=test,team=${{ env.TEAM }}
+  
   prod-deploy:
     name: Deploy alerts to prod
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+      
+      - uses: actions/checkout@v4
+        name: Retrieve AlertManager configuration
+        with:
+          repository: "statisticsnorway/nais-alert-config"
+          path: "ext_alertconfig"
+          sparse-checkout: |
+            alertconfig.yaml
+          sparse-checkout-cone-mode: false
+      
       - name: Deploy to prod
         uses: nais/deploy/actions/deploy@v2
         env:
           CLUSTER: prod
-          RESOURCE: .nais/alerts.yaml
-          DEPLOY_SERVER: deploy.ssb.cloud.nais.io:443
+          RESOURCE: .nais/alerts.yaml,ext_alertconfig/alertconfig.yaml
+          DEPLOY_SERVER: deploy.ssb.cloud.nais.io:443
+          VAR: cluster=prod,team=${{ env.TEAM }}

.nais/alerts.yaml

@@ -21,6 +21,8 @@ spec:
             service: dapla-statbank-authenticator
             namespace: dapla-stat
             severity: critical
+            alertmanager_custom_config: dapla-stat
+            alert_type: custom
 
         # This alert detects high CPU usage by calculating the CPU time used over 5 minutes.
         - alert: HighCPUUsage
@@ -34,6 +36,8 @@ spec:
             service: dapla-statbank-authenticator
             namespace: dapla-stat
             severity: warning
+            alertmanager_custom_config: dapla-stat
+            alert_type: custom
 
         # This alert checks if memory usage exceeds 90% of the 12GB limit, which could cause instability.
         - alert: HighMemoryUsage
@@ -47,6 +51,8 @@ spec:
             service: dapla-statbank-authenticator
             namespace: dapla-stat
             severity: warning
+            alertmanager_custom_config: dapla-stat
+            alert_type: custom
 
         # This alert detects a high number of error logs in dapla-statbank-authenticator.
         - alert: HighNumberOfErrors
@@ -60,6 +66,8 @@ spec:
             service: dapla-statbank-authenticator
             namespace: dapla-stat
             severity: critical
+            alertmanager_custom_config: dapla-stat
+            alert_type: custom
 
         # This alert monitors the number of pod restarts for dapla-statbank-authenticator and triggers if more than 3 restarts occur within 15 minutes.
         - alert: HighPodRestarts
@@ -72,4 +80,6 @@ spec:
           labels:
             service: dapla-statbank-authenticator
             namespace: dapla-stat
-            severity: warning
+            severity: warning
+            alertmanager_custom_config: dapla-stat
+            alert_type: custom