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Ansible-playbook实现MySQL8.0.27的二进制部署

炽凤亮尧 2022-03-11 阅读 75
ansible二进制部署mysqlAnsible-playbookMySQL8.0.27MySQL数据库

1. Ansible-playbook实现MySQL的二进制部署

1.1 架构及主机

Ansible-playbook实现MySQL8.0.27的二进制部署_mysql

五台主机
1  Ansible主控端：
节点1：（只设一个节点）
主机名：Ansible-PRI
CentOS 8.4
IP: 192.168.250.8/24
ansible 2.9.27

2  Ansible被控端--CentOS7组：
节点1：
主机名：Ansible-IP17
CentOS 7.9
IP: 192.168.250.17/24

节点2：
主机名：Ansible-IP27
CentOS 7.9
IP: 192.168.250.27/24

3. Ansible被控端--CentOS8组：
节点1：
主机名：Ansible-IP18
CentOS 8.4
IP: 192.168.250.18/24

节点2：
主机名：Ansible-IP28
CentOS 8.4
IP: 192.168.250.28/24

4. Ansible被控端--DBS组：
节点1：
主机名：Ansible-IP58
CentOS 8.4
IP: 192.168.250.58/24

节点2：
主机名：Ansible-IP68
CentOS 8.4
IP: 192.168.250.68/24

# 说明：按照上面的架构图，准备好五台不同组别和操作系统的主机，将以此为基础环境完成ansible的参数等学习和案例实践

1.2 Ansible 主控端准备

1.2.1 主控端环境准备及软件包安装

基本任务：同步时钟；安装ansible；查看版本并了解文件格式和基本语法等

# 主控端服务器CentOS8.4 上基本配置
[root@CentOS84 ]#hostnamectl set-hostname Ansible-PRI
[root@CentOS84 ]#exit
[root@Ansible-PRI ]#
[root@Ansible-PRI ]#hostname -I
192.168.250.8 
[root@Ansible-PRI ]#systemctl enable --now  chronyd.service

# Ansible 走的是EPEL源，如果没配置的话需要配置或者启用
[root@Ansible-PRI ]#yum repolist
repo id                                                      repo name
AppStream                                                    AppStream
BaseOS                                                       BaseOS
EPEL                                                         EPEL
centosplus                                                   centosplus
extras                                                       extras
[root@Ansible-PRI ]#

# 查看默认ansible的版本
[root@Ansible-PRI ]#yum info ansible
BaseOS                                                                                   4.6 kB/s | 3.9 kB     00:00    
AppStream                                                                                6.8 kB/s | 4.3 kB     00:00    
EPEL                                                                                      30 kB/s | 4.7 kB     00:00    
EPEL                                                                                     326 kB/s |  11 MB     00:35    
extras                                                                                    11 kB/s | 1.5 kB     00:00    
centosplus                                                                               1.7 kB/s | 1.5 kB     00:00    
Available Packages
Name         : ansible
Version      : 2.9.27
Release      : 1.el8
Architecture : noarch
Size         : 17 M
Source       : ansible-2.9.27-1.el8.src.rpm
Repository   : EPEL
Summary      : SSH-based configuration management, deployment, and task execution system
URL          : http://ansible.com
License      : GPLv3+
Description  : Ansible is a radically simple model-driven configuration management,
             : multi-node deployment, and remote task execution system. Ansible works
             : over SSH and does not require any software or daemons to be installed
             : on remote nodes. Extension modules can be written in any language and
             : are transferred to managed machines automatically.

[root@Ansible-PRI ]#

# 安装ansible
[root@Ansible-PRI ]#yum -y install ansible

# 验证安装及查看版本
[root@Ansible-PRI ]#ansible --version
ansible 2.9.27
  config file = /etc/ansible/ansible.cfg
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/lib/python3.6/site-packages/ansible
  executable location = /usr/bin/ansible
  python version = 3.6.8 (default, Mar 19 2021, 05:13:41) [GCC 8.4.1 20200928 (Red Hat 8.4.1-1)]
[root@Ansible-PRI ]#whereis ansible
ansible: /usr/bin/ansible /etc/ansible /usr/share/ansible /usr/share/man/man1/ansible.1.gz
[root@Ansible-PRI ]#file /usr/bin/ansible
/usr/bin/ansible: Python script, ASCII text executable
# ansible是Python script

[root@Ansible-PRI ]#cat /usr/bin/ansible
........................
#!/usr/bin/python3.6    
# 从文件内容可以考到是python3.6开发的
........................

[root@Ansible-PRI ]#

1.1.2 主控端与被控端基于key验证

基本任务：利用编写好的脚本实现与主控端相同网段内的所有主机之间基于key的SSH免密通信

# 修改SSH的配置文件
[root@Ansible-PRI ]#vim /etc/ssh/ssh_config
...............................
StrictHostKeyChecking no                                                                                                 
...............................
"/etc/ssh/ssh_config" 53L, 1795C written    

[root@Ansible-PRI ]#cat /etc/ssh/ssh_config | grep StrictHostKeyChecking
#   StrictHostKeyChecking ask
StrictHostKeyChecking no

# 编写脚本实现Ansible 主控端与被控端的基于key的绵密SSH登录
[root@Ansible-PRI ]#vim ssh_key_iplist.sh
[root@Ansible-PRI ]#cat ssh_key_iplist.sh
#!/bin/bash
#
#********************************************************************************************<strong>
#Author:        WuDongWuXia
#QQ:            1050572574@qq.com
#Date:          2022-03-02
#FileName:      ssh_key_iplist.sh
#URL:           www.shoneinfo.cn
#Description:   The Test Script
#Copyright (C):2022 All rights reserved
#</strong>*******************************************************************************************

IPLIST="
192.168.250.17
192.168.250.27
192.168.250.8
192.168.250.18
192.168.250.28
192.168.250.58
192.168.250.68"

rpm -q sshpass &> /dev/null || yum -y install sshpass  
[ -f /root/.ssh/id_rsa ] || ssh-keygen -f /root/.ssh/id_rsa  -P ''
export SSHPASS=2XXXX8
for IP in $IPLIST;do
    sshpass -e ssh-copy-id -o StrictHostKeyChecking=no $IP 
done 
[root@Ansible-PRI ]#
# 运行脚本
[root@Ansible-PRI ]#bash ssh_key_iplist.sh

# 查看SSH KEY认证的主机信息
[root@Ansible-PRI ]#cat /root/.ssh/known_hosts

1.1.3 主控端 ansbile 基础配置

基本任务：配置好ansible的主机信息；并测通方可进入下一步骤。

# 配置ansible的主机组等，这样为整个ansible 的实验统一准备好环境，本次仅针对 [dbs] 组实践数据库的安装
[root@Ansible-PRI ]#cat /etc/ansible/hosts
........................
[local]
192.168.250.8  ansible_connection=local

[centos7]
192.168.250.17
192.168.250.27

[centos8]
192.168.250.18
192.168.250.28 

# 本次数据库安装仅针对[dbs]组
[dbs]
192.168.250.58
192.168.250.68 
........................

[root@Ansible-PRI ]#ansible all --list-hosts  
  hosts (7):
    192.168.250.8
    192.168.250.17
    192.168.250.27
    192.168.250.18
    192.168.250.28
    192.168.250.58
    192.168.250.68
[root@Ansible-PRI ]#ansible dbs --list-hosts
  hosts (2):
    192.168.250.58
    192.168.250.68

# ansible 的主控端和被控端之间通信检测，确保pong
[root@Ansible-PRI ]#ansible all -m ping
192.168.250.8 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/libexec/platform-python"
    },
    "changed": false,
    "ping": "pong"
}
192.168.250.27 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python"
    },
    "changed": false,
    "ping": "pong"
}
192.168.250.17 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python"
    },
    "changed": false,
    "ping": "pong"
}
192.168.250.28 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/libexec/platform-python"
    },
    "changed": false,
    "ping": "pong"
}
192.168.250.18 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/libexec/platform-python"
    },
    "changed": false,
    "ping": "pong"
}
192.168.250.58 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/libexec/platform-python"
    },
    "changed": false,
    "ping": "pong"
}
192.168.250.68 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/libexec/platform-python"
    },
    "changed": false,
    "ping": "pong"
}
[root@Ansible-PRI ]#
[root@Ansible-PRI ]#
[root@Ansible-PRI ]#ll
total 1168604
-rw-r--r-- 1 root root 1196633756 Mar  2 18:42 mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz
-rw-r--r-- 1 root root        781 Mar  2 17:57 ssh_key_iplist.sh
[root@Ansible-PRI ]#

1.3 准备 MySQL8.0.27 二进制包

官网：https://downloads.mysql.com/archives/community/
![image-20220302140203521](马哥SRE第13周作业.assets/image-20220302140203521.png)
下载地址： https://cdn.mysql.com/archives/mysql-8.0/mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz

[root@Ansible-PRI ]#cd /data/
[root@Ansible-PRI ]#wget https://cdn.mysql.com/archives/mysql-8.0/mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz
--2022-03-03 13:55:30--  https://cdn.mysql.com/archives/mysql-8.0/mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz
Resolving cdn.mysql.com (cdn.mysql.com)... 23.2.84.230
Connecting to cdn.mysql.com (cdn.mysql.com)|23.2.84.230|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1196633756 (1.1G) [text/plain]
Saving to: ‘mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz’

mysql-8.0.27-linux-glibc2.12-x 100%[=================================================>]   1.11G  4.41MB/s    in 5m 5s   

2022-03-03 14:00:36 (3.74 MB/s) - ‘mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz’ saved [1196633756/1196633756]

[root@Ansible-PRI ]#ll
total 1168588
-rw-r--r-- 1 root root 1196633756 Sep 29 05:18 mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz
[root@Ansible-PRI ]#

1.4 Ansible-playbook二进制部署MySQL8.0.27

基本任务：创建Anisible的目录，并构建好清晰的结构；编写二进制部署MySQL8.0.27的 Ansible-playbook yaml 文件；完成部署。

[root@Ansible-PRI ]#mkdir -p /data/ansible/files   
[root@Ansible-PRI ]#ll /data/ansible/files      
total 0
[root@Ansible-PRI ]#tree /data/
/data/
├── ansible
│   └── files
├── mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz
└── ssh_key_iplist.sh

2 directories, 5 files
[root@Ansible-PRI ]#tree -d /data/
/data/
└── ansible
    └── files

[root@Ansible-PRI ]#mv mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz /data/ansible/files/
[root@Ansible-PRI ]#tree /data/   
/data/
├── ansible
│   └── files
│       └── mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz
├── ansible.ymls.tar
├── hosts.list
├── ssh_key_hosts.sh
└── ssh_key_iplist.sh

2 directories, 5 files


[root@Ansible-PRI ]#vim files/mysql8.cnf
[root@Ansible-PRI ]#cat files/mysql8.cnf

[mysqld]
server-id=1
log-bin
datadir=/data/mysql
socket=/data/mysql/mysql.sock
skip_name_resolve = on

log-error=/data/mysql/mysql.log
pid-file=/data/mysql/mysql.pid

[client]
port=3306
socket=/data/mysql/mysql.sock
[root@Ansible-PRI ]#tree
.
└── files
    ├── mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz
    └── mysql8.cnf

1 directory, 2 files
[root@Ansible-PRI ]#

[root@Ansible-PRI ]#vim ansible/install-mysql8.0.27-v02.yml
[root@Ansible-PRI ]#cat ansible/install-mysql8.0.27-v02.yml

---
# 在线或本地用二进制文件批量部署 mysql8.0.27
# install mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz  
# 配置文件 mysql8.cnf 放到目录 /data/ansible/files 将被复制到被控端的my.cnf
- hosts: dbs
  remote_user: root
  gather_facts: no
  vars:
    mysql_version: 8.0.27
    mysql_file: mysql-{{mysql_version}}-linux-glibc2.12-x86_64.tar.xz
    mysql_root_password: shoneXXXXX6

  tasks:
    - name: install packages
      yum:
        name:
          - libaio
          - numactl-libs
        state: latest
    - name: create mysql group
      group: name=mysql gid=306
    - name: create mysql user
      user: name=mysql uid=306 group=mysql shell=/sbin/nologin system=yes create_home=no home=/data/mysql
# 在线方式  测试了下，可能要等很久，建议还是下载好安装包方式安装
#    - name: download mysql_file
#      unarchive :
#        src: "https://cdn.mysql.com/archives/mysql-8.0/mysql-{{mysql_version}}-linux-glibc2.12-x86_64.tar.xz"
#        dest: "/usr/local"
#        owner: root
#        group: root
#        remote_src: yes
# 离线方式配置
    - name: copy tar to remote host and file mode
      unarchive: src=/data/ansible/files/{{mysql_file}} dest=/usr/local/ owner=root group=root

    - name: create linkfile /usr/local/mysql
      file: src=/usr/local/mysql-{{ mysql_version }}-linux-glibc2.12-x86_64 dest=/usr/local/mysql state=link
    - name: data dir
      shell: /usr/local/mysql/bin/mysqld --initialize-insecure --user=mysql --datadir=/data/mysql
      tags: data
    - name: config my.cnf
      copy: src=/data/ansible/files/mysql8.cnf dest=/etc/my.cnf
    - name: service script
      shell: /bin/cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
    - name: PATH variable
      copy: content='PATH=/usr/local/mysql/bin:$PATH' dest=/etc/profile.d/mysql.sh
    - name: enable service
      shell: chkconfig --add mysqld;/etc/init.d/mysqld start
      tags: service
    - name: change password
      shell: /usr/local/mysql/bin/mysqladmin -uroot password
      shell: chkconfig --add mysqld;/etc/init.d/mysqld start
      tags: service
    - name: change password
      shell: /usr/local/mysql/bin/mysqladmin -uroot password {{mysql_root_password}}
[root@Ansible-PRI ]#

[root@Ansible-PRI ]#tree /data/
/data/
├── ansible
│   ├── files
│   │   ├── mysql-8.0.27-linux-glibc2.12-x86_64.tar.xz
│   │   └── mysql8.cnf
│   ├── install-mysql8.0.27-v01.yml
│   └── install-mysql8.0.27-v02.yml   #此文件是二进制部署MySQL8.0.27的 Ansible-playbook yaml 文件
└── ssh_key_iplist.sh

2 directories, 5 files

# 部署
[root@Ansible-PRI ]#ansible-playbook --syntax-check install-mysql8.0.27-v02.yml           
[WARNING]: While constructing a mapping from /data/ansible/install-mysql8.0.27-v02.yml, line 47, column 7, found a duplicate dict
key (shell). Using last defined value only.

playbook: install-mysql8.0.27-v02.yml
[root@Ansible-PRI ]#

[root@Ansible-PRI ]#ansible-playbook install-mysql8.0.27-v02.yml
[WARNING]: While constructing a mapping from /data/ansible/install-mysql8.0.27-v02.yml, line 47, column 7, found a duplicate dict key (shell).
Using last defined value only.

PLAY [dbs] **********************************************************************************************************************************<strong>

TASK [install packages] </strong>*******************************************************************************************************************<strong>
ok: [192.168.250.58]
ok: [192.168.250.68]

TASK [create mysql group] </strong>*****************************************************************************************************************<strong>
ok: [192.168.250.58]
ok: [192.168.250.68]

TASK [create mysql user] </strong>******************************************************************************************************************<strong>
ok: [192.168.250.58]
ok: [192.168.250.68]

TASK [copy tar to remote host and file mode] </strong>**********************************************************************************************<strong>
changed: [192.168.250.68]
changed: [192.168.250.58]

TASK [create linkfile /usr/local/mysql] </strong>***************************************************************************************************<strong>
changed: [192.168.250.68]
changed: [192.168.250.58]

TASK [data dir] </strong>***************************************************************************************************************************<strong>
changed: [192.168.250.58]
changed: [192.168.250.68]

TASK [config my.cnf] </strong>**********************************************************************************************************************<strong>
changed: [192.168.250.58]
changed: [192.168.250.68]

TASK [service script] </strong>*********************************************************************************************************************<strong>
changed: [192.168.250.58]
changed: [192.168.250.68]

TASK [PATH variable] </strong>**********************************************************************************************************************<strong>
changed: [192.168.250.68]
changed: [192.168.250.58]

TASK [enable service] </strong>*********************************************************************************************************************<strong>
changed: [192.168.250.58]
changed: [192.168.250.68]

TASK [change password] </strong>********************************************************************************************************************<strong>
changed: [192.168.250.58]
changed: [192.168.250.68]

TASK [change password] </strong>********************************************************************************************************************<strong>
changed: [192.168.250.58]
changed: [192.168.250.68]

PLAY RECAP </strong>**********************************************************************************************************************************
192.168.250.58             : ok=12   changed=9    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0   
192.168.250.68             : ok=12   changed=9    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0   

[root@Ansible-PRI ]#

1.5 验证安装

# 在被控端IP192.168.250.58 上验证安装。 注意：安装完后要退出终端后再重新登录，再登录 mysql

[root@Ansible-IP58 ]#mysql -V
bash: mysql: command not found...
Packages providing this file are:
'mariadb'
'mysql'
[root@Ansible-IP58 ]#
[root@Ansible-IP58 ]#exit
logout

[root@Ansible-IP58 ]#
[root@Ansible-IP58 ]#mysql -u root -pshoneXXXXX6
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.0.27 MySQL Community Server - GPL

Copyright (c) 2000, 2021, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.01 sec)

mysql> 
mysql> quit
Bye
[root@Ansible-IP58 ]#mysql -V
mysql  Ver 8.0.27 for Linux on x86_64 (MySQL Community Server - GPL)
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