# Source: prometheus/charts/alertmanager/templates/statefulset.yaml
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: prometheus-alertmanager
  labels:
    helm.sh/chart: alertmanager-1.14.0
    app.kubernetes.io/name: alertmanager
    app.kubernetes.io/instance: prometheus
    app.kubernetes.io/version: "v0.28.0"
    app.kubernetes.io/managed-by: Helm
  namespace: monitoring
spec:
  replicas: 1
  minReadySeconds: 0
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app.kubernetes.io/name: alertmanager
      app.kubernetes.io/instance: prometheus
  serviceName: prometheus-alertmanager-headless
  template:
    metadata:
      labels:
        app.kubernetes.io/name: alertmanager
        app.kubernetes.io/instance: prometheus
    spec:
      nodeSelector:
        nodegroup: nd
      automountServiceAccountToken: true
      serviceAccountName: prometheus-alertmanager
      securityContext:
        fsGroup: 65534
        runAsGroup: 65534
        runAsNonRoot: true
        runAsUser: 65534
      containers:
        - name: alertmanager
          securityContext:
            runAsGroup: 65534
            runAsNonRoot: true
            runAsUser: 65534
          image: "quay.io/prometheus/alertmanager:v0.28.0"
          imagePullPolicy: Always
          env:
            - name: POD_IP
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: status.podIP
          args:
            - --storage.path=/alertmanager
            - --config.file=/etc/alertmanager/alertmanager.yml
          ports:
            - name: http
              containerPort: 9093
              protocol: TCP
          livenessProbe:
            httpGet:
              path: /
              port: http
          readinessProbe:
            httpGet:
              path: /
              port: http
          resources:
            requests:
              cpu: 200m
              memory: 512Mi
            limits:
              cpu: 200m
              memory: 512Mi 
          volumeMounts:
            - name: config
              mountPath: /etc/alertmanager
            - name: storage
              mountPath: /alertmanager
      volumes:
        - name: config
          configMap:
            name: prometheus-alertmanager
  volumeClaimTemplates:
    - metadata:
        name: storage
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 2Gi