提交各组件部署Ansible剧本初版

MariaDB/10.5.3/mariadb/role/tasks/deploy-cluster.yml

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+- name: Setting node_nums variable
+  set_fact: node_nums={{ groups.mariadb|length }}
+
+- name: To terminate execution
+  fail:
+    msg: "MariaDB in master-master mode. The value must have 2 nodes,please checking configurations/hosts -> mariadb"
+  when: node_nums != '2'
+
+- name: Creating directory
+  file:
+    state: directory
+    owner: ods
+    group: root    
+    path: '{{ deploy_dir }}/{{ container_name }}/{{ item.dir }}'
+  with_items:
+    - { dir: 'config' }
+    - { dir: 'logs' }  
+    - { dir: 'monitor' }  
+    
+- name: Copying image to {{ deploy_dir }}/{{ container_name }}/
+  copy:
+    src: 'files/{{ image_name }}-{{ image_tag }}.tar'
+    dest: '{{ deploy_dir }}/{{ container_name }}/'
+    force: true
+  notify:
+    - Loading Image
+
+- name: Copying image to {{ deploy_dir }}/{{ container_name }}/monitor
+  copy:
+    src: 'files/mysqld_exporter-v1.0.tar'
+    dest: '{{ deploy_dir }}/{{ container_name }}/monitor/'
+    force: true
+  notify:
+    - Loading Exporter Image
+
+- name: Copying Mariadb config files
+  template:
+    src: '{{ item.src }}'
+    dest: '{{ item.dest }}'
+    mode: 0644
+  with_items:
+    - { src: 'my.cnf.j2', dest: '{{ deploy_dir }}/{{ container_name }}/config/my.cnf' }
+    - { src: 'docker-compose.yml.j2', dest: '{{ deploy_dir }}/{{ container_name }}/docker-compose.yml' }
+  notify:
+    - Start Container
+
+- meta: flush_handlers    
+    
+- name: Waitting for MariaDB running,20s
+  shell: sleep 20
+
+- name: Creating mariadb readonly user
+  shell: mysql -uroot -h{{ inventory_hostname }} -p{{ mariadb_default_pin }} -e "CREATE USER IF NOT EXISTS '{{ mariadb_query_username}}'@'%' IDENTIFIED BY '{{ mariadb_query_pin }}' WITH MAX_USER_CONNECTIONS 3;GRANT PROCESS, REPLICATION CLIENT, SELECT ON *.* TO '{{ mariadb_query_username}}'@'%';FLUSH PRIVILEGES;"
+  
+- name: change mariadb remote authority
+  shell: mysql -uroot -h{{ inventory_hostname }} -p{{ mariadb_default_pin }} -e"use mysql;grant all privileges on *.* to 'root'@'%' identified by '{{ mariadb_default_pin }}' with grant option;FLUSH PRIVILEGES;"
+
+- name: copy pyMysql.zip
+  unarchive: 
+    src: files/pyMysql.zip 
+    dest: /tmp/
+  register: copy_info
+
+- name: pip install pyMysql
+  shell: cd /tmp/pyMysql && pip install --ignore-installed *
+  when: copy_info.changed
+
+- name: Get mariadb slave_status
+  mysql_info:
+    login_host: '{{ groups.mariadb[0] }}'
+    login_user: root
+    login_password: '{{ mariadb_default_pin }}'
+    filter: slave_status
+  register: mariadb_info
+
+- name: change_slave_to_master1
+  mysql_replication:
+    login_unix_socket: "{{ deploy_dir }}/{{ container_name }}/data/mysql.sock"
+    login_host: "{{ groups.mariadb[1] }}"
+    login_port: "3306"
+    login_user: root
+    login_password: "{{ mariadb_default_pin }}"
+    master_host: "{{ groups.mariadb[0] }}"
+    master_user: root
+    master_password: "{{ mariadb_default_pin }}"
+    master_port: "3306"
+    mode: changemaster
+  run_once: true
+  delegate_to: '{{ groups.mariadb[1] }}'
+  tags:
+    - change_slave_to_master1
+
+- name: start_slave1
+  mysql_replication:
+    login_unix_socket: "{{ deploy_dir }}/{{ container_name }}/data/mysql.sock"
+    login_user: root
+    login_host: "{{ inventory_hostname }}"
+    login_port: "3306"
+    login_password: "{{ mariadb_default_pin }}"
+    mode: startslave
+  tags:
+    - start_slave1
+  run_once: true
+  delegate_to: '{{ groups.mariadb[1] }}'
+
+- name: change_slave_to_master2
+  mysql_replication:
+    login_unix_socket: "{{ deploy_dir }}/{{ container_name }}/data/mysql.sock"
+    login_host: "{{ groups.mariadb[0] }}"
+    login_port: "3306"
+    login_user: root
+    login_password: "{{ mariadb_default_pin }}"
+    master_host: "{{ groups.mariadb[1] }}"
+    master_user: root
+    master_password: "{{ mariadb_default_pin }}"
+    master_port: "3306"
+    mode: changemaster
+  run_once: true
+  delegate_to: '{{ groups.mariadb[0] }}'
+  tags:
+    - change_slave_to_master2
+
+- name: start_slave2
+  mysql_replication:
+    login_unix_socket: "{{ deploy_dir }}/{{ container_name }}/data/mysql.sock"
+    login_user: root
+    login_host: "{{ inventory_hostname }}"
+    login_port: "3306"
+    login_password: "{{ mariadb_default_pin }}"
+    mode: startslave
+  tags:
+    - start_slave2
+  run_once: true
+  delegate_to: '{{ groups.mariadb[0] }}'
+ 
+- name: get_slave_info
+  mysql_replication:
+    login_host: 127.0.0.1
+    login_user: root
+    login_port: "3306"
+    login_password: "{{ mariadb_default_pin }}"
+    mode: getslave
+  register: info
+  tags:
+    - get_slave_info
+
+- name: Copying Mariadb config files
+  template:
+    src: 'exporter_docker-compose.yml.j2'
+    dest: '{{ deploy_dir }}/{{ container_name }}/monitor/docker-compose.yml'
+    mode: 0644
+  notify:
+    - Start Exporter Container    

MariaDB/10.5.3/mariadb/role/tasks/deploy-standalone.yml

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+- name: Setting node_nums variable
+  set_fact: node_nums={{ groups.mariadb|length }}
+
+- name: To terminate execution
+  fail:
+    msg: "MariaDB standalone mode. The value must have 1 nodes,please checking configurations/hosts -> mariadb"
+  when: node_nums != '1'
+
+- name: Creating directory
+  file:
+    state: directory
+    owner: ods
+    group: root    
+    path: '{{ deploy_dir }}/{{ container_name }}/{{ item.dir }}'
+  with_items:
+    - { dir: 'config' }
+    - { dir: 'logs' }  
+    - { dir: 'monitor' }  
+    
+- name: Copying image to {{ deploy_dir }}/{{ container_name }}/
+  copy:
+    src: 'files/{{ image_name }}-{{ image_tag }}.tar'
+    dest: '{{ deploy_dir }}/{{ container_name }}/'
+    force: true
+  notify:
+    - Loading Image
+
+- name: Copying image to {{ deploy_dir }}/{{ container_name }}/monitor
+  copy:
+    src: 'files/mysqld_exporter-v1.0.tar'
+    dest: '{{ deploy_dir }}/{{ container_name }}/monitor/'
+    force: true
+  notify:
+    - Loading Exporter Image
+    
+- name: Copying Mariadb config files
+  template:
+    src: '{{ item.src }}'
+    dest: '{{ item.dest }}'
+    mode: 0644
+  with_items:
+    - { src: 'my.cnf.j2', dest: '{{ deploy_dir }}/{{ container_name }}/config/my.cnf' }
+    - { src: 'docker-compose.yml.j2', dest: '{{ deploy_dir }}/{{ container_name }}/docker-compose.yml' }
+  notify:
+    - Start Container
+
+- meta: flush_handlers    
+    
+- name: Waitting for MariaDB running,20s
+  shell: sleep 20
+
+- name: Creating mariadb readonly user
+  shell: mysql -uroot -h{{ inventory_hostname }} -p{{ mariadb_default_pin }} -e "CREATE USER IF NOT EXISTS '{{ mariadb_query_username}}'@'%' IDENTIFIED BY '{{ mariadb_query_pin }}' WITH MAX_USER_CONNECTIONS 3;GRANT PROCESS, REPLICATION CLIENT, SELECT ON *.* TO '{{ mariadb_query_username}}'@'%';FLUSH PRIVILEGES;"
+  
+- name: change mariadb remote authority
+  shell: mysql -uroot -h{{ inventory_hostname }} -p{{ mariadb_default_pin }} -e"use mysql;grant all privileges on *.* to 'root'@'%' identified by '{{ mariadb_default_pin }}' with grant option;FLUSH PRIVILEGES;"
+
+- name: Copying Mariadb config files
+  template:
+    src: 'exporter_docker-compose.yml.j2'
+    dest: '{{ deploy_dir }}/{{ container_name }}/monitor/docker-compose.yml'
+    mode: 0644
+  notify:
+    - Start Exporter Container
+
+- meta: flush_handlers

MariaDB/10.5.3/mariadb/role/tasks/main.yml

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+- block: 
+    - include: uninstall.yml
+    - include: "{{ playbook_name }}"
+      vars:
+        playbook_name: "{{ 'deploy-cluster.yml' if groups.mariadb | length > 1 else 'deploy-standalone.yml' }}"
+    - include: status-check.yml
+  when: (operation) == "install"
+
+- block:
+    - include: uninstall.yml
+  when: (operation) == "uninstall"

MariaDB/10.5.3/mariadb/role/tasks/status-check.yml

@@ -0,0 +1,14 @@
+- name: Check if the MariaDB already exists
+  shell: ps -ef | grep -v mysqld_exporter | grep -v grep | grep mysqld | wc -l
+  register: process_out
+  
+- name: Check if the MariaDB already exists
+  shell: netstat -anlp | egrep "3306" | grep LISTEN | wc -l
+  register: port_out
+
+- name: To terminate execution
+  fail:
+   msg: "MariaDB on node {{ inventory_hostname }} is not started. Please check"
+  run_once: true
+  delegate_to: 127.0.0.1 
+  when: process_out.stdout != '1' or port_out.stdout != '1'

MariaDB/10.5.3/mariadb/role/tasks/uninstall.yml

@@ -0,0 +1,27 @@
+- block: 
+    - name: Stopping and removing {{ container_name }} container
+      docker_container:
+        name: '{{ container_name }}'
+        state: absent
+    
+    - name: Removing old {{ image_name }} image
+      docker_image:
+        name: '{{ image_name }}'
+        tag: '{{ image_tag }}'
+        state: absent
+
+    - name: Stopping and removing exporter container
+      docker_container:
+        name: 'mysqld_exporter'
+        state: absent
+
+    - name: Removing old exporter image
+      docker_image:
+        name: 'mysqld_exporter'
+        tag: 'v1.0'
+        state: absent
+
+    - name: Ansible delete old {{ deploy_dir }}/{{ container_name }}
+      file:
+        path: '{{ deploy_dir }}/{{ container_name }}'
+        state: absent