12.2. 月次レポートの取得

- name: Copy directory from Kubernetes PVC to local machine
  hosts: localhost

  vars:
    report_dir_path: "/mnt/metrics/reports/{{ year }}/{{ month }}/"

  tasks:
    - name: Create a temporary pod to access PVC data
      kubernetes.core.k8s:
        definition:
          apiVersion: v1
          kind: Pod
          metadata:
            name: temp-pod
            namespace: "{{ namespace_name }}"
          spec:
            containers:
            - name: busybox
              image: busybox
              command: ["/bin/sh"]
              args: ["-c", "sleep 3600"]  # Keeps the container alive for 1 hour
              volumeMounts:
              - name: "{{ pvc }}"
                mountPath: "/mnt/metrics"
            volumes:
            - name: "{{ pvc }}"
              persistentVolumeClaim:
                claimName: automationcontroller-metrics-utility
            restartPolicy: Never
      register: pod_creation

    - name: Wait for both initContainer and main container to be ready
      kubernetes.core.k8s_info:
        kind: Pod
        namespace: "{{ namespace_name }}"
        name: temp-pod
      register: pod_status
      until: >
        pod_status.resources[0].status.containerStatuses[0].ready
      retries: 30
      delay: 10

    - name: Create a tarball of the directory of the report in the container
      kubernetes.core.k8s_exec:
        namespace: "{{ namespace_name }}"
        pod: temp-pod
        container: busybox
        command: tar czf /tmp/metrics.tar.gz -C "{{ report_dir_path }}" .
      register: tarball_creation

    - name: Copy the report tarball from the container to the local machine
      kubernetes.core.k8s_cp:
        namespace: "{{ namespace_name }}"
        pod: temp-pod
        container: busybox
        state: from_pod
        remote_path: /tmp/metrics.tar.gz
        local_path: "{{ local_dir }}/metrics.tar.gz"
      when: tarball_creation is succeeded

    - name: Ensure the local directory exists
      ansible.builtin.file:
        path: "{{ local_dir }}"
        state: directory

    - name: Extract the report tarball on the local machine
      ansible.builtin.unarchive:
        src: "{{ local_dir }}/metrics.tar.gz"
        dest: "{{ local_dir }}"
        remote_src: yes
        extra_opts: "--strip-components=1"
      when: tarball_creation is succeeded

    - name: Delete the temporary pod
      kubernetes.core.k8s:
        api_version: v1
        kind: Pod
        namespace: "{{ namespace_name }}"
        name: temp-pod
        state: absent

- name: Copy directory from Kubernetes PVC to local machine
  hosts: localhost

  vars:
    report_dir_path: "/mnt/metrics/reports/{{ year }}/{{ month }}/"

  tasks:
    - name: Create a temporary pod to access PVC data
      kubernetes.core.k8s:
        definition:
          apiVersion: v1
          kind: Pod
          metadata:
            name: temp-pod
            namespace: "{{ namespace_name }}"
          spec:
            containers:
            - name: busybox
              image: busybox
              command: ["/bin/sh"]
              args: ["-c", "sleep 3600"]  # Keeps the container alive for 1 hour
              volumeMounts:
              - name: "{{ pvc }}"
                mountPath: "/mnt/metrics"
            volumes:
            - name: "{{ pvc }}"
              persistentVolumeClaim:
                claimName: automationcontroller-metrics-utility
            restartPolicy: Never
      register: pod_creation

    - name: Wait for both initContainer and main container to be ready
      kubernetes.core.k8s_info:
        kind: Pod
        namespace: "{{ namespace_name }}"
        name: temp-pod
      register: pod_status
      until: >
        pod_status.resources[0].status.containerStatuses[0].ready
      retries: 30
      delay: 10

    - name: Create a tarball of the directory of the report in the container
      kubernetes.core.k8s_exec:
        namespace: "{{ namespace_name }}"
        pod: temp-pod
        container: busybox
        command: tar czf /tmp/metrics.tar.gz -C "{{ report_dir_path }}" .
      register: tarball_creation

    - name: Copy the report tarball from the container to the local machine
      kubernetes.core.k8s_cp:
        namespace: "{{ namespace_name }}"
        pod: temp-pod
        container: busybox
        state: from_pod
        remote_path: /tmp/metrics.tar.gz
        local_path: "{{ local_dir }}/metrics.tar.gz"
      when: tarball_creation is succeeded

    - name: Ensure the local directory exists
      ansible.builtin.file:
        path: "{{ local_dir }}"
        state: directory

    - name: Extract the report tarball on the local machine
      ansible.builtin.unarchive:
        src: "{{ local_dir }}/metrics.tar.gz"
        dest: "{{ local_dir }}"
        remote_src: yes
        extra_opts: "--strip-components=1"
      when: tarball_creation is succeeded

    - name: Delete the temporary pod
      kubernetes.core.k8s:
        api_version: v1
        kind: Pod
        namespace: "{{ namespace_name }}"
        name: temp-pod
        state: absent