server/argocd/infra/monitoring/alertmanager/ntfy-alertmanager.yaml

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: ntfy-alertmanager
  namespace: monitoring
spec:
  selector:
    matchLabels:
      app: ntfy-alertmanager
  replicas: 1
  template:
    metadata:
      labels:
        app: ntfy-alertmanager
    spec:
      containers:
      - name: ntfy-alertmanager
        image: xenrox/ntfy-alertmanager:latest
        args: ["--config", "/config/config.yaml"]
        ports:
        - containerPort: 8080
          name: http-web-svc
        volumeMounts:
          - mountPath: "/config"
            name: "config"
      volumes:
        - name: config
          secret:
            secretName: ntfy-alertmanager
---
apiVersion: v1
kind: Service
metadata:
  name: ntfy-alertmanager
  namespace: monitoring
spec:
  selector:
    app: ntfy-alertmanager
  type: ClusterIP
  ports:
  - name: ntfy-alertmanager-port
    protocol: TCP
    port: 80
    targetPort: http-web-svc
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ntfy-alertmanager
  namespace: monitoring
  annotations:
    traefik.ingress.kubernetes.io/router.entrypoints: websecure
spec:
  rules:
    - host: ntfy-alertmanager.jibby.org
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: ntfy-alertmanager
                port:
                  number: 80
---
apiVersion: external-secrets.io/v1
kind: ExternalSecret
metadata:
  name: ntfy-alertmanager
  namespace: monitoring
spec:
  target:
    name: ntfy-alertmanager
    deletionPolicy: Delete
    template:
      type: Opaque
      data:
        ntfyamuser: |-
          {{ .ntfyamuser }}
        ntfyampass: |-
          {{ .ntfyampass }}
        config.yaml: |-
          # Ref: https://git.xenrox.net/~xenrox/ntfy-alertmanager/tree/master/item/config.scfg

          # Public facing base URL. Required for the "Silence" feature.
          base-url https://ntfy-alertmanager.jibby.org
          # http listen address
          http-address :8080
          # Log level (either debug, info, warning, error)
          log-level info
          # Log format (either text or json)
          log-format text
          # When multiple alerts are grouped together by Alertmanager, they can either be sent
          # each on their own (single mode) or be kept together (multi mode) (either single or multi; default is multi)
          alert-mode single
          # Optionally protect with HTTP basic authentication
          user {{ .ntfyamuser }}
          password {{ .ntfyampass }}

          labels {
              order "severity,instance"

              severity "critical" {
                  priority 5
                  tags "rotating_light"
              }

              severity "info" {
                  priority 1
              }

              instance "example.com" {
                  tags "computer,example"
              }
          }

          # Settings for resolved alerts
          resolved {
              tags "resolved,partying_face"
              priority 1
          }

          ntfy {
              # URL of the ntfy topic - required
              topic https://ntfy.jibby.org/alertmanager-alerts
              # ntfy authentication via Basic Auth (https://docs.ntfy.sh/publish/#username-password)
              user {{ .ntfyuser }}
              password {{ .ntfypass }}
          }

          alertmanager {
              silence-duration 24h
              url http://alertmanager-operated.monitoring.svc.cluster.local:9093
          }
  data:
    - secretKey: ntfyamuser
      sourceRef:
        storeRef:
          name: bitwarden-login
          kind: ClusterSecretStore
      remoteRef:
        key: af0ecb7c-25e5-4907-82be-b3f80121ceae
        property: username
    - secretKey: ntfyampass
      sourceRef:
        storeRef:
          name: bitwarden-login
          kind: ClusterSecretStore
      remoteRef:
        key: af0ecb7c-25e5-4907-82be-b3f80121ceae
        property: password
    - secretKey: ntfyuser
      sourceRef:
        storeRef:
          name: bitwarden-login
          kind: ClusterSecretStore
      remoteRef:
        key: 674fbf3d-531a-4ca6-afec-b1d7012d1a8a
        property: username
    - secretKey: ntfypass
      sourceRef:
        storeRef:
          name: bitwarden-login
          kind: ClusterSecretStore
      remoteRef:
        key: 674fbf3d-531a-4ca6-afec-b1d7012d1a8a
        property: password