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

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

- name: Create a deployment
  k8s:
    definition:
      apiVersion: apps/v1
      kind: Deployment
      metadata:
        name: influxdb
        namespace: eom
      spec:
        replicas: 1
        selector:
          matchLabels:
            app: influxdb
        template:
          metadata:
            labels:
              app: influxdb
          spec:
            containers:
              - name: influxdb
                image: influxdb
                volumeMounts:
                  - name: influxdb
                    mountPath: /var/lib/influxdb2
                ports:
                  - containerPort: 8086
            volumes:
              - name: influxdb
                persistentVolumeClaim:
                  claimName: influxdb

- name: Expose deployment as a service
  k8s:
    definition:
      apiVersion: v1
      kind: Service
      metadata:
        name: influxdb
        namespace: eom
      spec:
        selector:
          app: influxdb
        ports:
          - port: 8086
            protocol: TCP
            name: influxdb-port-8086
        type: ClusterIP