Add the commands that start the replication.
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@ -14,7 +14,7 @@
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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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when: postgresql_streaming_replication_primary_node == '{{ ansible_fqdn }}'
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notify: Restart postgresql
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become: True
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@ -23,7 +23,7 @@
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- name: Configure the streaming replication user on deb systems
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block:
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- name: Configure the replication user permissions
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- name: Configure the replication user permissions on deb
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postgresql_pg_hba:
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dest: '{{ psql_conf_dir }}/pg_hba.conf'
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contype: host
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@ -37,7 +37,7 @@
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notify: Reload postgresql
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when: not psql_enable_ssl
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- name: Configure the replication user permissions
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- name: Configure the replication user permissions on deb
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postgresql_pg_hba:
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dest: '{{ psql_conf_dir }}/pg_hba.conf'
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contype: hostssl
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@ -56,7 +56,7 @@
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- name: Configure the streaming replication user on EL
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block:
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- name: Configure the replication user permissions
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- name: Configure the replication user permissions on EL
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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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@ -70,7 +70,7 @@
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notify: Reload postgresql
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when: not psql_enable_ssl
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- name: Configure the replication user permissions
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- name: Configure the replication user permissions on EL
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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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@ -86,3 +86,79 @@
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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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- name: Manage the replica initialization
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block:
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- name: Set some paths when it is a deb based system
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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: Set some paths it is a EL based system
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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: 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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copy:
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content: "{{ postgresql_streaming_replication_primary_node }}:{{ psql_db_port }}:replication:{{ psql_streaming_replication_user }}:{{ psql_streaming_replication_pwd }}"
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dest: '{{ postgresql_user_home }}.pgpass'
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mode: '0400'
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- name: Check if a replica is already enabled
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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: Stop the postgresql service on deb systems
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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: Stop the postgresql service on EL systems
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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: Remove the data directory contents {{ postgresql_active_data_dir }}
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become: True
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become_user: postgres
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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: 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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shell: /usr/bin/pg_basebackup -h {{ postgresql_streaming_replication_primary_node }} -p {{ psql_db_port }} -U {{ psql_streaming_replication_user }} -D {{ postgresql_active_data_dir }} -Fp -R -Xs -P -w
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when: not standby_signal_file.stat.exists
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- name: Start the postgresql service
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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: Start the postgresql service on EL systems
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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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when: postgresql_streaming_replication_primary_node != '{{ ansible_fqdn }}'
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tags: [ 'postgresql', 'postgres', 'pg_conf', 'postgresql_replication' ]
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