add gatus

clusters/cl01tl/applications/homepage/values.yaml

@@ -379,6 +379,12 @@ homepage:
                         query: prometheus_tsdb_storage_blocks_bytes
                         format:
                           type: bytes
+              - Gatus:
+                  icon: sh-gatus.webp
+                  description: Uptime Monitoring
+                  href: https://gatus.alexlebens.net
+                  siteMonitor: http://gatus.gatus:80
+                  statusStyle: dot
               - Tautulli:
                   icon: sh-tautulli.webp
                   description: Plex Monitoring

clusters/cl01tl/monitoring/gatus/Chart.yaml

@@ -0,0 +1,29 @@
+apiVersion: v2
+name: gatus
+version: 1.0.0
+description: Gatus
+keywords:
+  - gatus
+  - healthcheck
+  - uptime
+  - metrics
+home: https://wiki.alexlebens.dev/s/2a2b0c83-81c7-49e3-aafc-daff4ff23ce2
+sources:
+  - https://github.com/TwiN/gatus
+  - https://github.com/cloudnative-pg/cloudnative-pg
+  - https://github.com/TwiN/gatus/pkgs/container/gatus
+  - https://github.com/TwiN/helm-charts/tree/master/charts/gatus
+  - https://gitea.alexlebens.dev/alexlebens/helm-charts/src/branch/main/charts/postgres-cluster
+maintainers:
+  - name: alexlebens
+dependencies:
+  - name: app-template
+    alias: gatus
+    repository: https://twin.github.io/helm-charts
+    version: 1.2.0
+  - name: postgres-cluster
+    alias: postgres-17-cluster
+    version: 6.4.2
+    repository: oci://harbor.alexlebens.net/helm-charts
+icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/gatus.png
+appVersion: v5.12.0

clusters/cl01tl/monitoring/gatus/templates/external-secret.yaml

@@ -0,0 +1,81 @@
+apiVersion: external-secrets.io/v1
+kind: ExternalSecret
+metadata:
+  name: gatus-config-secret
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: gatus-config-secret
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+spec:
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: vault
+  data:
+    - secretKey: NTFY_TOKEN
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /ntfy/user/cl01tl
+        metadataPolicy: None
+        property: token
+
+---
+apiVersion: external-secrets.io/v1
+kind: ExternalSecret
+metadata:
+  name: gatus-oidc-secret
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: gatus-oidc-secret
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+spec:
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: vault
+  data:
+    - secretKey: OIDC_CLIENT_ID
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /authentik/oidc/gatus
+        metadataPolicy: None
+        property: client
+    - secretKey: OIDC_CLIENT_SECRET
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /authentik/oidc/gatus
+        metadataPolicy: None
+        property: secret
+
+---
+apiVersion: external-secrets.io/v1
+kind: ExternalSecret
+metadata:
+  name: gatus-postgresql-17-cluster-backup-secret
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: gatus-postgresql-17-cluster-backup-secret
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+spec:
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: vault
+  data:
+    - secretKey: ACCESS_KEY_ID
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /digital-ocean/home-infra/postgres-backups
+        metadataPolicy: None
+        property: access
+    - secretKey: ACCESS_SECRET_KEY
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /digital-ocean/home-infra/postgres-backups
+        metadataPolicy: None
+        property: secret

clusters/cl01tl/monitoring/gatus/templates/http-route.yaml

@@ -0,0 +1,28 @@
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: http-route-gatus
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: http-route-gatus
+    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:
+    - home.alexlebens.net
+  rules:
+    - matches:
+      - path:
+          type: PathPrefix
+          value: /
+      backendRefs:
+        - group: ''
+          kind: Service
+          name: gatus
+          port: 80
+          weight: 100

clusters/cl01tl/monitoring/gatus/templates/service-monitor.yaml

@@ -0,0 +1,19 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: gatus
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: gatus
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: gatus
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  endpoints:
+    - port: http
+      interval: 30s
+      scrapeTimeout: 10s
+      path: /metrics

clusters/cl01tl/monitoring/gatus/values.yaml

@@ -0,0 +1,139 @@
+gatus:
+  readinessProbe:
+    enabled: true
+  livenessProbe:
+    enabled: true
+  image:
+    repository: ghcr.io/twin/gatus
+    tag: v5.17.0
+  annotations:
+    reloader.stakater.com/auto: "true"
+  service:
+    type: ClusterIP
+    port: 80
+    targetPort: 8080
+  ingress:
+    enabled: false
+  env:
+    NTFY_TOKEN:
+      valueFrom:
+        secretKeyRef:
+          name: gatus-config-secret
+          key: NTFY_TOKEN
+    OIDC_CLIENT_ID:
+      valueFrom:
+        secretKeyRef:
+          name: gatus-oidc-secret
+          key: OIDC_CLIENT_ID
+    OIDC_CLIENT_SECRET:
+      valueFrom:
+        secretKeyRef:
+          name: gatus-oidc-secret
+          key: OIDC_CLIENT_SECRET
+    POSTGRES_USER:
+      valueFrom:
+        secretKeyRef:
+          name: gatus-postgresql-17-cluster-app
+          key: username
+    POSTGRES_PASSWORD:
+      valueFrom:
+        secretKeyRef:
+          name: gatus-postgresql-17-cluster-app
+          key: password
+    POSTGRES_HOST:
+      valueFrom:
+        secretKeyRef:
+          name: gatus-postgresql-17-cluster-app
+          key: host
+    POSTGRES_PORT:
+      valueFrom:
+        secretKeyRef:
+          name: gatus-postgresql-17-cluster-app
+          key: port
+    POSTGRES_DB:
+      valueFrom:
+        secretKeyRef:
+          name: gatus-postgresql-17-cluster-app
+          key: dbname
+  resources:
+    requests:
+      cpu: 10m
+      memory: 128Mi
+  persistence:
+    enabled: true
+    size: 1Gi
+    mountPath: /data
+    accessModes:
+      - ReadWriteOnce
+    finalizers:
+      - kubernetes.io/pvc-protection
+    storageClassName: ceph-block
+  serviceMonitor:
+    enabled: true
+    interval: 1m
+    path: /metrics
+    scheme: http
+    scrapeTimeout: 30s
+  networkPolicy:
+    enabled: false
+  config:
+    metrics: true
+    connectivity:
+      checker:
+        target: 1.1.1.1:53
+        interval: 60s
+    alerting:
+      ntfy:
+        topic: "gatus-alerts"
+        priority: 3
+        url: http://ntfy.ntfy
+        token: ${NTFY_TOKEN}
+        default-alert:
+          failure-threshold: 3
+          send-on-resolved: true
+        click: "https://gatus.alexlebens.net"
+    security:
+      oidc:
+        issuer-url: https://authentik.alexlebens.net/application/o/gatus/
+        client-id: ${OIDC_CLIENT_ID}
+        client-secret: ${OIDC_CLIENT_SECRET}
+        redirect-url: https://gatus.alexlebens.net/authorization-code/callback
+        scopes: [openid]
+    storage:
+      type: postgres
+      path: "postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}?sslmode=disable"
+    endpoints:
+      - name: homepage
+        url: https://homepage.alexlebens.net
+        interval: 60s
+        conditions:
+          - "[STATUS] == 200"
+          - "[DOMAIN_EXPIRATION] > 720h"
+          - "[CERTIFICATE_EXPIRATION] > 240h"
+
+postgres-17-cluster:
+  mode: standalone
+  cluster:
+    storage:
+      storageClass: local-path
+    walStorage:
+      storageClass: local-path
+    monitoring:
+      enabled: true
+      prometheusRule:
+        enabled: true
+  recovery:
+    method: objectStore
+    objectStore:
+      destinationPath: s3://postgres-backups-ce540ddf106d186bbddca68a/cl01tl/gatus/gatus-postgresql-17-cluster
+      index: 1
+  backup:
+    enabled: false
+    objectStore:
+      - name: external
+        destinationPath: s3://postgres-backups-ce540ddf106d186bbddca68a/cl01tl/gatus/gatus-postgresql-17-cluster
+        index: 1
+    scheduledBackups:
+      - name: daily-backup
+        schedule: "0 0 */3 * *"
+        backupName: external

clusters/cl01tl/monitoring/grafana-operator/templates/grafana-dashboard.yaml

@@ -206,6 +206,25 @@ spec:
   resyncPeriod: 1h
   url: http://gitea-http.gitea:3000/alexlebens/grafana-dashboards/raw/branch/main/dashboards/service/descheduler.json
 
+---
+apiVersion: grafana.integreatly.org/v1beta1
+kind: GrafanaDashboard
+metadata:
+  name: grafana-dashboard-gatus
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: grafana-dashboard-gatus
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+spec:
+  instanceSelector:
+    matchLabels:
+      app: grafana-main
+  contentCacheDuration: 1h
+  folderUID: grafana-folder-service
+  resyncPeriod: 1h
+  url: http://gitea-http.gitea:3000/alexlebens/grafana-dashboards/raw/branch/main/dashboards/service/gatus.json
+
 ---
 apiVersion: grafana.integreatly.org/v1beta1
 kind: GrafanaDashboard

clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml

@@ -106,6 +106,7 @@ kube-prometheus-stack:
         - directus
         - external-dns
         - freshrss
+        - gatus
         - generic-device-plugin
         - gitea
         - grafana-operator

clusters/cl01tl/services/blocky/values.yaml

@@ -113,6 +113,7 @@ blocky:
               ceph                            IN      CNAME   traefik-cl01tl
               code-server                     IN      CNAME   traefik-cl01tl
               eigenfocus                      IN      CNAME   traefik-cl01tl
+              gatus                           IN      CNAME   traefik-cl01tl
               gitea                           IN      CNAME   traefik-cl01tl
               grafana                         IN      CNAME   traefik-cl01tl
               harbor                          IN      CNAME   traefik-cl01tl

hosts/ps08rp/blocky/config.yml

@@ -88,6 +88,7 @@ customDNS:
     ceph                            IN      CNAME   traefik-cl01tl
     code-server                     IN      CNAME   traefik-cl01tl
     eigenfocus                      IN      CNAME   traefik-cl01tl
+    gatus                           IN      CNAME   traefik-cl01tl
     gitea                           IN      CNAME   traefik-cl01tl
     grafana                         IN      CNAME   traefik-cl01tl
     harbor                          IN      CNAME   traefik-cl01tl

hosts/ps09rp/blocky/config.yml

@@ -88,6 +88,7 @@ customDNS:
     ceph                            IN      CNAME   traefik-cl01tl
     code-server                     IN      CNAME   traefik-cl01tl
     eigenfocus                      IN      CNAME   traefik-cl01tl
+    gatus                           IN      CNAME   traefik-cl01tl
     gitea                           IN      CNAME   traefik-cl01tl
     grafana                         IN      CNAME   traefik-cl01tl
     harbor                          IN      CNAME   traefik-cl01tl