kibana-upgrade.yml

---
- name: Upgrade kibana
  hosts: kibana
  gather_facts: no

  vars:
    set_default_index: '{"changes":{"defaultIndex":"syslog"}}'

  tasks:
  - name: Validate ELK Version
    fail: msg="Invalid ELK Version"
    when: elk_version is undefined or not elk_version is match("\d+\.\d+\.\d+")

  - name: Get kibana current version
    command: rpm -q kibana --qf %{VERSION}
    args:
      warn: no
    changed_when: False
    register: version_found

  - name: Display Current kibana Version
    debug: var=version_found.stdout

  - block:
    - name: Update kibana
      yum:
        name: kibana-{{ elk_version }}
        state: present

    - name: Restart kibana
      systemd:
        name: kibana
        state: restarted
        enabled: yes
        daemon_reload: yes

    - name: Wait for kibana to start listening
      wait_for:
        port: 5601
        delay: 5

    - name: Wait for kibana to be ready
      uri:
        url: http://localhost:5601/api/kibana/settings
        method: GET
      register: response
      until: "'kbn_name' in response and response.status == 200"
      retries: 30
      delay: 5

    - name: Set Default Index
      uri:
        url: http://localhost:5601/api/kibana/settings
        method: POST
        body_format: json
        body: "{{ set_default_index }}"
        headers:
          "kbn-version": "{{ elk_version }}"
    when: version_found.stdout is version_compare(elk_version, '<')