init.yml

- name: configuring radon_master
  hosts: master
  gather_facts: true
  sudo: yes
  roles:
    - radon_master

- hosts: monitor
  tags:
    - grafana
  roles:
    - { role: grafana, grafana_exec_vars_only: true }
  tasks:
    - name: Ensure grafana API Key directory exists
      file:
        path: "{{ playbook_dir }}/conf/keys"
        state: directory
      delegate_to: localhost

    - name: Check grafana API Key list
      uri:
        url: "http://{{ ansible_host }}:{{ grafana_port }}/api/auth/keys"
        user: "{{ grafana_admin_user }}"
        password: "{{ grafana_admin_password }}"
        force_basic_auth: yes
        return_content: yes
      register: existing_api_keys

    - name: Check grafana API Key file existed
      stat:
        path: "{{ playbook_dir }}/conf/keys/grafana_apikey.key"
      register:  grafana_apikey_file
      delegate_to: localhost

    - set_fact:
        apikey_id: "{{ item }}"
      with_items: "{{ existing_api_keys.json|json_query(apikey_id_query) }}"
      vars:
        apikey_id_query: "[?name=='grafana_apikey'].id"
      when:
        - ((existing_api_keys['json'] | selectattr("name", "equalto", "grafana_apikey")) | list) | length == 1
        - grafana_apikey_file.stat.exists == False

    - debug:
        var: apikey_id
      when:
        - ((existing_api_keys['json'] | selectattr("name", "equalto", "grafana_apikey")) | list) | length == 1
        - grafana_apikey_file.stat.exists == False

    - name: Delete grafana API Key when grafana API Key file is missing
      uri:
        url: "http://{{ ansible_host }}:{{ grafana_port }}/api/auth/keys/{{ apikey_id }}"
        user: "{{ grafana_admin_user }}"
        password: "{{ grafana_admin_password }}"
        force_basic_auth: yes
        method: DELETE
      when:
        - ((existing_api_keys['json'] | selectattr("name", "equalto", "grafana_apikey")) | list) | length == 1
        - grafana_apikey_file.stat.exists == False

    - name: Create grafana API Key
      uri:
        url: "http://{{ ansible_host }}:{{ grafana_port }}/api/auth/keys"
        user: "{{ grafana_admin_user }}"
        password: "{{ grafana_admin_password }}"
        force_basic_auth: yes
        method: POST
        body_format: json
        body: "{{ item | to_json }}"
      with_items: "{{ grafana_api_keys }}"
      when: (((existing_api_keys['json'] | selectattr("name", "equalto", item['name'])) | list) | length == 0) or (((existing_api_keys['json'] | selectattr("name", "equalto", "grafana_apikey")) | list) | length == 1 and grafana_apikey_file.stat.exists == False)
      register: new_api_keys

    - name: Create grafana API key file
      become: no
      copy:
        dest: "{{ playbook_dir }}/conf/keys/{{ item['item']['name'] }}.key"
        content: "{{ item['json']['key'] }}"
        backup: no
      when: item['json'] is defined
      with_items: "{{ new_api_keys['results'] }}"
      delegate_to: localhost

    - name: import grafana data source
      shell: >
        chdir={{ grafana_dir }}/data
        warn=no
        curl -q -X POST -d @data_source.json --header 'Content-Type: application/json'
        "http://{{ grafana_admin_user }}:{{ grafana_admin_password }}@127.0.0.1:{{ grafana_port }}/api/datasources"

    - name: import grafana dashboards - prepare config
      delegate_to: localhost
      template: src=grafana.dest.json.j2 dest={{ playbook_dir }}/scripts/dests.json
      vars:
        - ansible_become: false
        - ansible_connection: local
        - grafana_dest_config:
            name: "{{ cluster_name | title }}"
            url: "http://{{ansible_default_ipv4.address}}:{{ grafana_port }}/"
            user: "{{ grafana_admin_user }}"
            password: "{{ grafana_admin_password }}"
            apikey: "{{ lookup('file', '{{ playbook_dir }}/conf/keys/grafana_apikey.key') }}"
            datasource: "{{ cluster_name }}"
            titles:
              node: "{{ cluster_name | title }}-Node"
              mysql: "{{cluster_name | title}}-Mysql"
              radon: "{{cluster_name | title}}-Radon"

    - name: import grafana dashboards - run import script
      delegate_to: localhost
      shell: >-
        chdir={{ playbook_dir }}/scripts
        python grafana-config-copy.py
      vars:
        - ansible_become: false
        - ansible_connection: local