185 lines
7.3 KiB
YAML
185 lines
7.3 KiB
YAML
---
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- name: postgresql-streaming-replication | Configuration of the streaming replication
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become: true
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become_user: postgres
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tags: ['postgresql', 'postgres', 'pg_conf', 'postgresql_replication']
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block:
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- name: postgresql-streaming-replication | Create the replication user
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community.postgresql.postgresql_user:
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name: '{{ psql_streaming_replication_user }}'
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role_attr_flags: "REPLICATION"
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password: '{{ psql_streaming_replication_pwd }}'
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encrypted: true
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state: present
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- name: postgresql-streaming-replication | Setup the streaming replication on the primary
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community.postgresql.postgresql_set:
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name: '{{ item.name }}'
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value: "{{ item.value }}"
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loop: '{{ psql_streaming_replication_config }}'
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when: postgresql_streaming_replication_primary_node == ansible_fqdn
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notify: Restart postgresql
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- name: postgresql-streaming-replication | Flush flush_handlers restart PostgreSQL
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ansible.builtin.meta: flush_handlers
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- name: postgresql-streaming-replication | Configure the streaming replication user on deb systems
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when: ansible_distribution_file_variety == "Debian"
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tags: ['postgresql', 'postgres', 'pg_conf', 'pg_hba', 'postgresql_replication']
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block:
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- name: postgresql-streaming-replication | Configure the replication user permissions on deb
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become: true
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become_user: postgres
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community.postgresql.postgresql_pg_hba:
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dest: '{{ psql_conf_dir }}/pg_hba.conf'
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contype: host
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users: '{{ psql_streaming_replication_user }}'
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address: '{{ item }}'
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databases: 'replication'
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# method: 'scram-sha-256'
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method: 'md5'
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state: present
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loop: '{{ psql_streaming_replication_hosts }}'
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notify: Reload postgresql
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when: not psql_enable_ssl
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- name: postgresql-streaming-replication | Configure the replication user permissions on deb
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become: true
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become_user: postgres
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community.postgresql.postgresql_pg_hba:
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dest: '{{ psql_conf_dir }}/pg_hba.conf'
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contype: hostssl
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users: '{{ psql_streaming_replication_user }}'
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address: '{{ item }}'
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databases: 'replication'
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# method: 'scram-sha-256'
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method: 'md5'
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state: present
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loop: '{{ psql_streaming_replication_hosts }}'
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notify: Reload postgresql
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when: psql_enable_ssl
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- name: postgresql-streaming-replication | Flush flush_handlers reload PostgreSQL
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ansible.builtin.meta: flush_handlers
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- name: postgresql-streaming-replication | Configure the streaming replication user on EL
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when: ansible_distribution_file_variety == "RedHat"
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tags: ['postgresql', 'postgres', 'pg_conf', 'pg_hba', 'postgresql_replication']
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block:
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- name: postgresql-streaming-replication | Configure the replication user permissions on EL
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become: true
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become_user: postgres
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community.postgresql.postgresql_pg_hba:
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dest: '{{ psql_el_conf_dir }}/pg_hba.conf'
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contype: host
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users: '{{ psql_streaming_replication_user }}'
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address: '{{ item }}'
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databases: 'replication'
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# method: 'scram-sha-256'
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method: 'md5'
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state: present
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loop: '{{ psql_streaming_replication_hosts }}'
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notify: Reload postgresql
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when: not psql_enable_ssl
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- name: postgresql-streaming-replication | Configure the replication user permissions on EL
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become: true
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become_user: postgres
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community.postgresql.postgresql_pg_hba:
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dest: '{{ psql_el_conf_dir }}/pg_hba.conf'
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contype: hostssl
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users: '{{ psql_streaming_replication_user }}'
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address: '{{ item }}'
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databases: 'replication'
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# method: 'scram-sha-256'
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method: 'md5'
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state: present
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loop: '{{ psql_streaming_replication_hosts }}'
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notify: Reload postgresql
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when: psql_enable_ssl
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- name: postgresql-streaming-replication | Flush flush_handlers reload PostgreSQL
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ansible.builtin.meta: flush_handlers
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- name: postgresql-streaming-replication | Manage the replica initialization
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when: postgresql_streaming_replication_primary_node != ansible_fqdn
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tags: ['postgresql', 'postgres', 'pg_conf', 'postgresql_replication']
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block:
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- name: postgresql-streaming-replication | Set some paths when it is a deb based system
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ansible.builtin.set_fact:
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postgresql_user_home: '/var/lib/postgresql'
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postgresql_active_data_dir: '{{ psql_data_dir }}'
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when: ansible_distribution_file_variety == "Debian"
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- name: postgresql-streaming-replication | Set some paths it is a EL based system
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ansible.builtin.set_fact:
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postgresql_user_home: '/var/lib/pgsql'
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postgresql_active_data_dir: '{{ psql_el_data_dir }}'
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when: ansible_distribution_file_variety == "RedHat"
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- name: postgresql-streaming-replication | Create the .pgpass file inside the postgresql home {{ postgresql_user_home }}
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become: true
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become_user: postgres
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ansible.builtin.template:
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src: replica_pgpass.j2
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dest: '{{ postgresql_user_home }}/.pgpass'
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mode: '0400'
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- name: postgresql-streaming-replication | Check if a replica is already enabled
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ansible.builtin.stat:
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path: '{{ postgresql_active_data_dir }}/standby.signal'
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register: standby_signal_file
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- name: postgresql-streaming-replication | Prnt the replica file
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ansible.builtin.debug:
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msg: 'Replica file: {{ postgresql_active_data_dir }}/standby.signal'
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- name: postgresql-streaming-replication | Stop the postgresql service on deb systems
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ansible.builtin.service:
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name: postgresql
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state: stopped
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when:
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- ansible_distribution_file_variety == "Debian"
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- not standby_signal_file.stat.exists
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- name: postgresql-streaming-replication | Stop the postgresql service on EL systems
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ansible.builtin.service:
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name: 'postgresql-{{ psql_version }}'
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state: stopped
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when:
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- ansible_distribution_file_variety == "RedHat"
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- not standby_signal_file.stat.exists
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- name: postgresql-streaming-replication | Remove the data directory contents {{ postgresql_active_data_dir }}
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ansible.builtin.file:
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dest: '{{ postgresql_active_data_dir }}'
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state: absent
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when: not standby_signal_file.stat.exists
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- name: postgresql-streaming-replication | Run the pg_basebackup command that starts the replica
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become: true
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become_user: postgres
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ansible.builtin.shell: >
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/usr/bin/pg_basebackup -h {{ postgresql_streaming_replication_primary_node }}
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-p {{ psql_db_port }} -U {{ psql_streaming_replication_user }}
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-D {{ postgresql_active_data_dir }} -Fp -R -Xs -P -w
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args:
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creates: '{{ postgresql_active_data_dir }}'
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when: not standby_signal_file.stat.exists
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- name: postgresql-streaming-replication | Start the postgresql service
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ansible.builtin.service:
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name: postgresql
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state: started
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when:
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- ansible_distribution_file_variety == "Debian"
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- not standby_signal_file.stat.exists
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- name: postgresql-streaming-replication | Start the postgresql service on EL systems
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ansible.builtin.service:
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name: 'postgresql-{{ psql_version }}'
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state: started
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when:
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- ansible_distribution_file_variety == "RedHat"
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- not standby_signal_file.stat.exists
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