add alertmanager endpoint

clusters/cl01tl/applications/homepage/values.yaml

@@ -355,6 +355,23 @@ homepage:
                   widget:
                     type: prometheus
                     url: http://kube-prometheus-stack-prometheus.kube-prometheus-stack:9090
+              - Alerting:
+                  icon: sh-prometheus-light.webp
+                  description: Alertmanager
+                  href: https://alertmanager.alexlebens.net
+                  siteMonitor: http://kube-prometheus-stack-alertmanager.kube-prometheus-stack:9093
+                  statusStyle: dot
+                  widget:
+                    type: prometheusmetric
+                    url: http://kube-prometheus-stack-prometheus.kube-prometheus-stack:9090
+                    refreshInterval: 120s
+                    metrics:
+                      - label: Alerts Active
+                        query: alertmanager_alerts{state="active"}
+                      - label: Metric Database Size
+                        query: prometheus_tsdb_storage_blocks_bytes
+                        format:
+                          type: bytes
               - Tautulli:
                   icon: sh-tautulli.webp
                   description: Plex Monitoring

clusters/cl01tl/monitoring/kube-prometheus-stack/templates/http-route.yaml

@@ -26,3 +26,33 @@ spec:
           name: prometheus-operated
           port: 9090
           weight: 100
+
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: http-route-alertmanager
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: http-route-alertmanager
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+spec:
+  parentRefs:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+      name: traefik-gateway
+      namespace: traefik
+  hostnames:
+    - alertmanager.alexlebens.net
+  rules:
+    - matches:
+      - path:
+          type: PathPrefix
+          value: /
+      backendRefs:
+        - group: ''
+          kind: Service
+          name: kube-prometheus-stack-alertmanager
+          port: 9093
+          weight: 100

clusters/cl01tl/services/blocky/values.yaml

@@ -102,6 +102,7 @@ blocky:
 
               ;; Application Names
               actual                          IN      CNAME   traefik-cl01tl
+              alertmanager                    IN      CNAME   traefik-cl01tl
               argo-workflows                  IN      CNAME   traefik-cl01tl
               argocd                          IN      CNAME   traefik-cl01tl
               audiobookshelf                  IN      CNAME   traefik-cl01tl

hosts/ps08rp/blocky/config.yml

@@ -77,6 +77,7 @@ customDNS:
 
     ;; Application Names
     actual                          IN      CNAME   traefik-cl01tl
+    alertmanager                    IN      CNAME   traefik-cl01tl
     argo-workflows                  IN      CNAME   traefik-cl01tl
     argocd                          IN      CNAME   traefik-cl01tl
     audiobookshelf                  IN      CNAME   traefik-cl01tl

hosts/ps09rp/blocky/config.yml

@@ -77,6 +77,7 @@ customDNS:
 
     ;; Application Names
     actual                          IN      CNAME   traefik-cl01tl
+    alertmanager                    IN      CNAME   traefik-cl01tl
     argo-workflows                  IN      CNAME   traefik-cl01tl
     argocd                          IN      CNAME   traefik-cl01tl
     audiobookshelf                  IN      CNAME   traefik-cl01tl