grafana_gnocchi_collectd.yaml

---
- hosts: localhost
  tasks:
    - name: Install rdo pike and opstools repositories
      package:
          name: '{{ item }}'
      with_items:
          - centos-release-opstools
          - centos-release-openstack-pike
      become: true

    - name: Install grafana repo
      blockinfile:
        dest: /etc/yum.repos.d/grafana.repo
        create: yes
        block: |
          [grafana]
          baseurl = https://packagecloud.io/grafana/stable/el/7/x86_64
          gpgcheck = 1
          gpgkey = https://grafanarel.s3.amazonaws.com/RPM-GPG-KEY-grafana
          name = Grafana repository
      become: true

    - name: Install all packages from repositories
      package:
          name: '{{ item }}'
      with_items:
          - collectd
          - collectd-disk
          - collectd-python
          - mariadb-server
          - openstack-gnocchi-api
          - openstack-gnocchi-metricd
          - python-pip
          - grafana
      become: true

    - name: Install grafana-gnocchi datasource plugin
      shell: 'grafana-cli plugins install gnocchixyz-gnocchi-datasource'
      become: true

    - name: Install collectd-gnocchi plugin
      shell: 'pip install collectd-gnocchi'
      become: true

    - name: Start database
      systemd:
          name: mariadb
          enabled: yes
          state: started
      become: true

    - name: Create gnocchi db
      mysql_db:
          name: gnocchi
          state: present
      become: true

    - name: Create gnocchi db user
      mysql_user:
          name: gnocchi
          password: p4assw0rd
          priv: 'gnocchi.*:ALL'
          state: present
      become: true

    - name: Configure gnocchi
      replace:
          dest: /etc/gnocchi/gnocchi.conf
          regexp: '#url = <None>'
          replace: 'url = mysql://gnocchi:p4assw0rd@localhost/gnocchi'
      become: true

    - name: Populate gnocchi db
      shell: gnocchi-upgrade
      become: true

    - name: Ensure /var/lib/gnocchi is owned by gnocchi user
      file:
          path: /var/lib/gnocchi
          owner: gnocchi
          group: gnocchi
          state: directory
          recurse: yes
      become: true

    - name: Configure gnocchi api service
      replace:
          dest: /usr/lib/systemd/system/openstack-gnocchi-api.service
          regexp: 'ExecStart=.*'
          replace: 'ExecStart=/usr/bin/gnocchi-api -p 8041 -- --log-file /var/log/gnocchi/api.log'
      become: true

    - name: Configure grafana
      ini_file:
          dest: /etc/grafana/grafana.ini
          section: auth.basic
          option: enabled
          value: true
      become: true

    - name: Disable SELinux (config)
      selinux:
        state: disabled
      become: true

    - name: Disable SELinux
      shell: 'setenforce 0'
      become: true

    #- name: Install default dashboard
    #- copy:
    #-   src: grafana-gnocchi-collectd.json
    #-   dest: /usr/share/grafana/public/dashboards/home.json
    #- become: true

    - name: Start daemons
      systemd:
          name: '{{ item }}'
          enabled: yes
          state: started
          daemon_reload: yes
      with_items:
          - openstack-gnocchi-api
          - openstack-gnocchi-metricd
          - grafana-server
      become: true

    - name: Wait for grafana db initialization
      wait_for:
        port: 3000
        host: localhost

    - name: Get datasources
      uri:
        url: http://localhost:3000/api/datasources
        method: GET
        user: admin
        password: admin
        force_basic_auth: "yes"
      register: datasources

    - name: set datasource fact
      set_fact:
        grafana_datasources: "{{ datasources.json | default([]) | map(attribute='name') | list }}"

    - name: Configure datasource
      uri:
        url: http://localhost:3000/api/datasources
        method: POST
        user: admin
        password: admin
        body: '{{ grafana_data_source | to_json }}'
        body_format: json
        force_basic_auth: "yes"
      when: grafana_data_source.name not in grafana_datasources

    - name: Install collectd configurations files
      synchronize:
        src: collectd.d/
        dest: /etc/collectd.d/
      become: true

    - name: Start collectd
      systemd:
          name: collectd
          enabled: yes
          state: started
          daemon_reload: yes
      become: true