postgrescluster/postgres-install.yml at main · artiodev/postgrescluster · GitHub

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---
- hosts: all
  gather_facts: true
  tasks:
    - debug: var=inventory_hostname
    - debug: var=ansible_ssh_host

- hosts: master,standby
  roles:
    - setup_base

- hosts: master,standby
  roles:
    - postgres-install-commons

- hosts: master,standby
  become: yes
  become_user: postgres
  tasks:
    - name: get pub key master
      command: /bin/cat /var/lib/pgsql/.ssh/id_rsa.pub
      register: pubkey_master
      when: inventory_hostname == "master"

    - name: get pub key standby
      command: /bin/cat /var/lib/pgsql/.ssh/id_rsa.pub
      register: pubkey_standby
      when: inventory_hostname == "standby"

    - set_fact:
        pubkey_master: "{{pubkey_master.stdout_lines[0]}}"
      when: inventory_hostname == "master"

    - set_fact:
        pubkey_standby: "{{pubkey_standby.stdout_lines[0]}}"
      when: inventory_hostname == "standby"

- hosts: standby
  become: yes
  become_user: postgres
  tasks:
    - name: Set authorized key to standby
      authorized_key:
        user: postgres
        state: present
        key: "{{ hostvars['master']['pubkey_master'] }}"
        path: /var/lib/pgsql/.ssh/authorized_keys

- hosts: master
  become: yes
  become_user: postgres
  tasks:
    - name: Set authorized key to master
      authorized_key:
        user: postgres
        state: present
        key: "{{ hostvars['standby']['pubkey_standby'] }}"
        path: /var/lib/pgsql/.ssh/authorized_keys

- hosts: barman
  roles:
    - barman

- hosts: barman
  become: yes
  become_user: barman
  tasks:
    - name: get pub key standby
      command: /bin/cat /var/lib/barman/.ssh/id_rsa.pub
      register: pubkey_barman

    - set_fact:
        pubkey_barman: "{{pubkey_barman.stdout_lines[0]}}"

- hosts: master,standby
  become: yes
  become_user: postgres
  tasks:
    - name: Set ssh barman public key on Master and Slave server
      authorized_key:
        user: "postgres"
        state: present
        key: "{{ hostvars['barman']['pubkey_barman'] }}"
        path: /var/lib/pgsql/.ssh/authorized_keys

- hosts: barman
  become: yes
  become_user: barman
  tasks:
    - name: Check Barman-Master connection status
      shell: barman check master
      register: barman_status
      ignore_errors: yes

    - name: Set public key master and slave on barman host
      authorized_key:
        user: "barman"
        state: present
        key: "{{ item }}"
        path: /var/lib/barman/.ssh/authorized_keys
      with_items:
        - "{{ hostvars['master']['pubkey_master'] }}"
        - "{{ hostvars['standby']['pubkey_standby'] }}"


    - name: Debug connections status
      debug:
        msg: "{{ barman_status.stdout }}"

- hosts: master
  roles:
    - postgres-install-master

- hosts: master,standby
  roles:
    - repmgr-install-commons

- hosts: master
  roles:
    - repmgr-master

- hosts: barman
  become: yes
  become_user: barman
  tasks:
    - name: Check master connection
      shell: barman check {{hostvars['master']['hostname']}} | grep FAILED | wc -l
      register: barman_check
    - name: Debug barman_check
      debug:
        msg: "{{barman_check}}"
    - name: Running a backup from master
      shell: barman backup {{hostvars['master']['hostname']}}
      when: barman_check.stdout == "1" or barman_check.stdout == "0"

- hosts: standby
  roles:
    - repmgr-standby

- hosts: master,standby
  become: true
  roles:
    - keepalived