roles/process-stackviz/tasks/main.yaml

- name: Process Stackviz
  block:

  - name: Devstack checks if stackviz archive exists
    stat:
      path: "/opt/cache/files/stackviz-latest.tar.gz"
    register: stackviz_archive

  - debug:
      msg: "Stackviz archive could not be found in /opt/cache/files/stackviz-latest.tar.gz"
    when: not stackviz_archive.stat.exists

  - name: Check if subunit data exists
    stat:
      path: "{{ zuul_work_dir }}/testrepository.subunit"
    register: subunit_input

  - debug:
      msg: "Subunit file could not be found at {{ zuul_work_dir }}/testrepository.subunit"
    when: not subunit_input.stat.exists

  - name: Install stackviz
    when:
      - stackviz_archive.stat.exists
      - subunit_input.stat.exists
    block:
      - include_role:
          name: ensure-pip

      - pip:
          name: "file://{{ stackviz_archive.stat.path }}"
          virtualenv: /tmp/stackviz
          virtualenv_command: '{{ ensure_pip_virtualenv_command }}'
          extra_args: -U

  - name: Deploy stackviz static html+js
    command: cp -pR /tmp/stackviz/share/stackviz-html {{ stage_dir }}/stackviz
    when:
      - stackviz_archive.stat.exists
      - subunit_input.stat.exists

  - name: Check if dstat data exists
    stat:
      path: "{{ devstack_base_dir }}/logs/dstat-csv.log"
    register: dstat_input
    when:
      - stackviz_archive.stat.exists
      - subunit_input.stat.exists

  - name: Run stackviz with dstat
    shell: |
      cat {{ subunit_input.stat.path }} | \
        /tmp/stackviz/bin/stackviz-export \
          --dstat "{{ devstack_base_dir }}/logs/dstat-csv.log" \
          --env --stdin \
          {{ stage_dir }}/stackviz/data
    when:
      - stackviz_archive.stat.exists
      - subunit_input.stat.exists
      - dstat_input.stat.exists

  - name: Run stackviz without dstat
    shell: |
      cat {{ subunit_input.stat.path }} | \
        /tmp/stackviz/bin/stackviz-export \
          --env --stdin \
          {{ stage_dir }}/stackviz/data
    when:
      - stackviz_archive.stat.exists
      - subunit_input.stat.exists
      - not dstat_input.stat.exists

  ignore_errors: yes