---
# tasks file for deploy-grafana.yml
- name: Create persistent volume for grafana
  k8s:
    state: present
    definition:
      apiVersion: v1
      kind: PersistentVolume
      metadata:
        name: grafana
      spec:
        capacity:
          storage: "{{ grafana_storage }}"
        accessModes:
          - ReadWriteOnce
        persistentVolumeReclaimPolicy: Retain
        storageClassName: standard
        hostPath:
          path: "/data/store-0/eom/grafana"
        nodeAffinity:
          required:
            nodeSelectorTerms:
              - matchExpressions:
                - key: kubernetes.io/hostname
                  operator: In
                  values:
                    - alpha-worker-0

- name: Create persistent volume claim for grafana
  k8s:
    state: present
    definition:
      apiVersion: v1
      kind: PersistentVolumeClaim
      metadata:
        name: grafana
        namespace: eom
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: "{{ grafana_storage }}"
        storageClassName: standard
        volumeName: grafana

- name: Create a deployment
  k8s:
    definition:
      apiVersion: apps/v1
      kind: Deployment
      metadata:
        name: grafana
        namespace: eom
      spec:
        replicas: 1
        selector:
          matchLabels:
            app: grafana
        template:
          metadata:
            labels:
              app: grafana
          spec:
            securityContext:
              runAsUser: 472
              fsGroup: 472
              runAsGroup: 472
            containers:
              - name: grafana
                image: grafana/grafana
                volumeMounts:
                  - name: grafana
                    mountPath: /var/lib/grafana
                ports:
                  - containerPort: 3000
            volumes:
              - name: grafana
                persistentVolumeClaim:
                  claimName: grafana

- name: Expose deployment as a service
  k8s:
    definition:
      apiVersion: v1
      kind: Service
      metadata:
        name: grafana
        namespace: eom
      spec:
        selector:
          app: grafana
        ports:
          - port: 80
            targetPort: 3000
            protocol: TCP
            name: grafana-port-80
        type: ClusterIP