Configure Alertmanager email via Helm values

apps/monitoring.yaml

@@ -12,6 +12,71 @@ spec:
     helm:
       skipCrds: true
       values: |
+        alertmanager:
+          config:
+            global:
+              resolve_timeout: 5m
+              smtp_smarthost: 'mail.home.lan:25'
+              smtp_from: 'alertmanager@home.lan'
+              smtp_hello: 'kubernetes.home.lan'
+              smtp_require_tls: false
+
+            route:
+              receiver: jay-email
+              group_by:
+                - namespace
+                - alertname
+                - severity
+              group_wait: 30s
+              group_interval: 5m
+              repeat_interval: 4h
+              routes:
+                - receiver: "null"
+                  matchers:
+                    - alertname = "Watchdog"
+
+            receivers:
+              - name: "null"
+
+              - name: jay-email
+                email_configs:
+                  - to: 'jay@home.lan'
+                    send_resolved: true
+                    headers:
+                      From: 'Kubernetes Alertmanager <alertmanager@home.lan>'
+                      To: 'Jay <jay@home.lan>'
+                      Subject: '[Kubernetes] {{ .Status | toUpper }}: {{ .CommonLabels.alertname }}'
+
+            inhibit_rules:
+              - source_matchers:
+                  - severity = critical
+                target_matchers:
+                  - severity =~ warning|info
+                equal:
+                  - namespace
+                  - alertname
+
+              - source_matchers:
+                  - severity = warning
+                target_matchers:
+                  - severity = info
+                equal:
+                  - namespace
+                  - alertname
+
+              - source_matchers:
+                  - alertname = InfoInhibitor
+                target_matchers:
+                  - severity = info
+                equal:
+                  - namespace
+
+              - target_matchers:
+                  - alertname = InfoInhibitor
+
+            templates:
+              - /etc/alertmanager/config/*.tmpl
+
         grafana:
           ingress:
             enabled: true

apps/monitoring/alertmanager-email/alertmanager-secret.yaml

@@ -1,64 +0,0 @@
-apiVersion: v1
-kind: Secret
-metadata:
-  name: alertmanager-monitoring-kube-prometheus-alertmanager
-  namespace: monitoring
-type: Opaque
-stringData:
-  alertmanager.yaml: |
-    global:
-      resolve_timeout: 5m
-      smtp_smarthost: 'mail.home.lan:25'
-      smtp_from: 'alertmanager@home.lan'
-      smtp_hello: 'kubernetes.home.lan'
-      smtp_require_tls: false
-
-    route:
-      receiver: jay-email
-      group_by:
-        - namespace
-        - alertname
-        - severity
-      group_wait: 30s
-      group_interval: 5m
-      repeat_interval: 4h
-      routes:
-        - receiver: "null"
-          matchers:
-            - alertname = "Watchdog"
-
-    receivers:
-      - name: "null"
-
-      - name: jay-email
-        email_configs:
-          - to: 'jay@home.lan'
-            send_resolved: true
-            headers:
-              From: 'Kubernetes Alertmanager <alertmanager@home.lan>'
-              To: 'Jay <jay@home.lan>'
-              Subject: '[Kubernetes] {{ .Status | toUpper }}: {{ .CommonLabels.alertname }}'
-
-    inhibit_rules:
-      - source_matchers:
-          - severity = critical
-        target_matchers:
-          - severity = warning
-        equal:
-          - namespace
-          - alertname
-
-      - source_matchers:
-          - severity = warning
-        target_matchers:
-          - severity = info
-        equal:
-          - namespace
-          - alertname
-
-      - source_matchers:
-          - alertname = InfoInhibitor
-        target_matchers:
-          - severity = info
-        equal:
-          - namespace

apps/monitoring/alertmanager-email/kustomization.yaml

@@ -2,5 +2,4 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
-  - alertmanager-secret.yaml
   - test-alert.yaml