3902c6dd9d
* Fix setup_mariadb for CentOS 8 Switch to using systemd for multiple instances on CentOS 7 and 8
107 lines
2.8 KiB
YAML
107 lines
2.8 KiB
YAML
# We run two servers listening different ports
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# to be able to check replication (one server for primary, another for replica).
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- name: Include distribution specific variables
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include_vars: "{{ lookup('first_found', params) }}"
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vars:
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params:
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files:
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- "{{ ansible_facts.distribution }}-{{ ansible_facts.distribution_version }}.yml"
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- "{{ ansible_facts.os_family }}-{{ ansible_facts.distribution_major_version }}.yml"
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- "{{ ansible_facts.distribution }}.yml"
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- "{{ ansible_facts.os_family }}.yml"
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- default.yml
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paths:
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- vars
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- name: Install MariaDB repo
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yum_repository:
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name: MariaDB
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description: MariaDB official repo
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baseurl: "{{ repo_link }}"
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gpgkey: "{{ repo_gpgkey }}"
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gpgcheck: yes
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notify: cleanup mariadb
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- name: Install MariaDB packages
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yum:
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name: "{{ mariadb_packages }}"
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enablerepo: "{{ mariadb_enable_repo | default(omit) }}"
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notify: cleanup mariadb
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- name: Create directories for instances
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file:
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state: directory
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path: "{{ item }}"
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owner: mysql
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group: mysql
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loop:
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- "{{ primary_db.datadir }}"
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- "{{ primary_db.logdir }}"
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- "{{ replica_db.datadir }}"
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- "{{ replica_db.logdir }}"
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notify: cleanup mariadb
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- name: Copy configuration templates
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template:
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src: "{{ 'my' ~ item ~ '.j2' }}"
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dest: /etc/my.cnf.d/my{{ item }}.cnf
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owner: mysql
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group: mysql
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force: yes
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when: ansible_facts.distribution_major_version is version('7', '==')
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loop:
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- '{{ primary_db.name }}'
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- '{{ replica_db.name }}'
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- name: Copy configuration template
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template:
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src: my.cnf.j2
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dest: /etc/my.cnf
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owner: mysql
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group: mysql
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force: yes
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when: ansible_facts.distribution_major_version is version('8', '==')
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- name: Initialize DBs
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shell: 'mysql_install_db --user=mysql --datadir={{ item }}'
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loop:
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- '{{ primary_db.datadir }}'
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- '{{ replica_db.datadir }}'
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- name: Start services
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service:
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name: mariadb@{{ item }}
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state: started
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loop:
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- "{{ primary_db.name }}"
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- "{{ replica_db.name }}"
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- pause:
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seconds: 3
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########### For painful debug uncomment the lines below ##
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#- name: DEBUG Check stratup log
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# shell: cat /var/log/mariadb/mariadb.log
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#- name: DEBUG Check mysql_safe err log
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# shell: cat '{{ mysql_safe_err_log }}'
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#- name: DEBUG Check processes
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# shell: 'ps aux | grep mysqld | grep -v "grep\|root"'
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#- name: DEBUG
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# yum: name=net-tools
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#- name: DEBUG
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# shell: "netstat -ntpl"
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#- name: DEBUG
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# shell: cat /etc/my.cnf
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##########################################################
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- name: Check connection to the primary
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shell: 'echo "SHOW DATABASES;" | mysql -P {{ primary_db.port }} -h 127.0.0.1'
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- name: Check connection to the replica
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shell: "echo \"SHOW VARIABLES LIKE 'datadir';\" | mysql -P {{ replica_db.port }} -h 127.0.0.1"
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