相信大家在从事运维工作当中，都会使用到zookeeper中间件，其中就包括安装部署、使用及维护。此篇文章只针对如何使用ansible快速自动化部署一个zk集群进行展开说明。废话不多说，往
相信大家在从事运维工作当中，都会使用到zookeeper中间件，其中就包括安装部署、使用及维护。此篇文章只针对如何使用ansible快速自动化部署一个zk集群进行展开说明。废话不多说，往下看。
目录结构
playbook/ ├── host ├── zk.yml ├── mysql.yml └── roles ├── jdk │ ├── files │ ├── handlers │ ├── tasks │ ├── templates │ └── vars ├── mysql │ ├── files │ ├── handlers │ ├── tasks │ ├── templates │ └── vars └── zk ├── files ├── handlers ├── tasks ├── templates └── vars本次采用的是ansible-playbook进行自动化部署的，其中有涉及ansible、yaml以及jinja2相关的知识可以参考下面的链接ansible学习文档: ansibleyaml语法: yamlJinJa2语法: JinJa2
部署清单
# cat host [jdk] 192.168.252.1 192.168.252.2 192.168.61.150 [zk] 192.168.252.1 192.168.252.2 192.168.61.150 # cat zk.yml --- - hosts: zk gather_facts: false roles: - jdk - zk # cat jdk.sh # JAVA JAVA_HOME=/opt/payment/soft/jdk1.8 JRE_HOME=$JAVA_HOME/jre PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib export PATH # jdk变量 # cat vars/main.yml soft_name: jdk jdk_install_path: /opt/payment/soft jdk_link: jdk1.8 # cat playbook/roles/jdk/tasks/main.yml --- - import_tasks: copy.yml - import_tasks: unarchive.yml - import_tasks: link.yml - import_tasks: source.yml - import_tasks: delete.yml --- # copy.yml - name: "1、拷贝{{soft_name}}安装包" copy: src: "{{ item.src }}" dest: "{{ item.dest }}" mode: 0755 with_items: - { src: "jdk-8u281-linux-x64.tar.gz",dest: "/tmp/" } - { src: "jdk.sh",dest: "/etc/profile.d/" } --- # delete.yml - name: "5、删除临时文件" file: path: '/tmp/jdk-8u281-linux-x64.tar.gz' state: absent --- # link.yml - name: "3、建立{{soft_name}}软链接" file: src: "{{ jdk_install_path }}/jdk1.8.0_281" dest: "{{ jdk_install_path }}/{{ jdk_link }}" state: link --- # source.yml - name: "4、加载{{soft_name}}环境" shell: source /etc/profile --- # unarchive.yml - name: "2、解压{{soft_name}}源码包" unarchive: src: "/tmp/jdk-8u281-linux-x64.tar.gz" dest: "{{ jdk_install_path }}" remote_src: yes # cat playbook/roles/zk/templates/setid.sh.j2 #!/usr/bin/env bash {% for ip in groups[zk_hosts] %} {% if ip == inventory_hostname %} echo {{ loop.index - 1 }} > {{ install_path }}/{{ soft_name }}/data/myid {% endif %} {% endfor %} # cat playbook/roles/zk/templates/zoo.cfg.j2 tickTime=2000 initLimit=100 syncLimit=10 clientPort={{ client_port }} maxClientCnxns=10000 dataDir={{ install_path }}/{{ soft_name }}/data dataLogDir={{ install_path }}/{{ soft_name }}/logs {% for ip in groups[zk_hosts] %} server.{{ loop.index - 1 }}={{ ip }}:{{ leader_port }}:{{vote_port }} {% endfor %} # cat playbook/roles/zk/vars/main.yml #Soft Name soft_name: zookeeper #Install Path install_path: /opt/payment/soft # Zk user user: weblogic group: weblogic #Zk Port leader_port: 12888 vote_port: 13888 client_port: 12181 # Zk Host zk_hosts: zk # ls /root/playbook/roles/zk/tasks/ install.yml main.yml pre_install.yml # cat /root/playbook/roles/zk/tasks/* # main.yml - import_tasks: pre_install.yml - import_tasks: install.yml --- # install.yml - name: "1、创建{{ group }}组" group: name: "{{ group }}" system: yes state: present - name: "2、创建{{ user }}用户" user: name: "{{ user }}" group: "{{ group }}" shell: /bin/bash - name: "3、拷贝{{soft_name}}安装包" copy: src: "apache-zookeeper-3.6.1-bin.tar.gz" dest: "/tmp" - name: "4、创建安装目录" file: path: "{{ install_path }}" owner: "{{ user}}" group: "{{ group }}" recurse: yes state: directory - name: "5、解压{{soft_name}}源码包" unarchive: src: "/tmp/apache-zookeeper-3.6.1-bin.tar.gz" dest: "{{ install_path }}" remote_src: yes - name: "6、改变安装目录" shell: mv {{ install_path }}/apache-zookeeper-3.6.1-bin {{ install_path }}/{{ soft_name }} - name: "7、初始化{{soft_name}}安装目录" file: path: "{{ item }}" owner: "{{ user}}" group: "{{ group }}" recurse: yes state: directory with_items: - "{{ install_path }}/{{ soft_name }}/data" - "{{ install_path }}/{{ soft_name }}/logs" --- # pre_install.yml - name: "8、修改{{soft_name}}配置文件" template: src: "{{ item.src }}" dest: "{{ item.dest }}" mode: 0755 with_items: - { src: 'setid.sh.j2', dest: '{{ install_path }}/{{ soft_name }}/bin/setid.sh' } - { src: 'zkServer.sh.j2', dest: '{{ install_path }}/{{ soft_name }}/bin/zkServer.sh' } - { src: 'zoo.cfg.j2', dest: '{{ install_path }}/{{ soft_name }}/conf/zoo.cfg' } - name: "9、写入myid" shell: "source {{ install_path }}/{{ soft_name }}/bin/setid.sh" - name: "10、目录赋权" command: chown -R {{ user }}:{{ group }} {{ install_path }} - name: "11、启动{{soft_name}}集群" command: su - {{ user }} -c "{{ install_path }}/{{ soft_name }}/bin/zkServer.sh start" - name: "12、hold on" command: sleep 120 - name: "13、删除临时文件" file: path: '/tmp/apache-zookeeper-3.6.1-bin.tar.gz' state: absent - name: "14、获取{{soft_name}}集群状态" command: "{{ install_path }}/{{ soft_name }}/bin/zkServer.sh status" register: status - name: "15、打印{{soft_name}}集群状态" debug: var=status.stdout_lines ---部署
# ansible-playbook -i host zk.yml PLAY [zk] *********************************************************** TASK [jdk : 1、拷贝jdk安装包] *********************************************************** changed: [192.168.61.150] => (item={u'dest': u'/tmp/', u'src': u'jdk-8u281-linux-x64.tar.gz'}) changed: [192.168.252.1] => (item={u'dest': u'/tmp/', u'src': u'jdk-8u281-linux-x64.tar.gz'}) changed: [192.168.252.2] => (item={u'dest': u'/tmp/', u'src': u'jdk-8u281-linux-x64.tar.gz'}) ok: [192.168.61.150] => (item={u'dest': u'/etc/profile.d/', u'src': u'jdk.sh'}) ok: [192.168.252.2] => (item={u'dest': u'/etc/profile.d/', u'src': u'jdk.sh'}) ok: [192.168.252.1] => (item={u'dest': u'/etc/profile.d/', u'src': u'jdk.sh'}) TASK [jdk : 2、解压jdk源码包] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [jdk : 3、建立jdk软链接] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [jdk : 4、加载jdk环境] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [jdk : 5、删除临时文件] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [zk : 1、创建weblogic组] *********************************************************** ok: [192.168.61.150] ok: [192.168.252.2] ok: [192.168.252.1] TASK [zk : 2、创建weblogic用户] *********************************************************** ok: [192.168.61.150] ok: [192.168.252.2] ok: [192.168.252.1] TASK [zk : 3、拷贝zookeeper安装包] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] ok: [192.168.252.1] TASK [zk : 4、创建安装目录] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.1] changed: [192.168.252.2] TASK [zk : 5、解压zookeeper源码包] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [zk : 6、改变安装目录] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [zk : 7、初始化zookeeper安装目录] *********************************************************** changed: [192.168.61.150] => (item=/opt/payment/soft/zookeeper/data) changed: [192.168.252.1] => (item=/opt/payment/soft/zookeeper/data) changed: [192.168.252.2] => (item=/opt/payment/soft/zookeeper/data) changed: [192.168.61.150] => (item=/opt/payment/soft/zookeeper/logs) changed: [192.168.252.1] => (item=/opt/payment/soft/zookeeper/logs) changed: [192.168.252.2] => (item=/opt/payment/soft/zookeeper/logs) TASK [zk : 8、修改zookeeper配置文件] *********************************************************** changed: [192.168.61.150] => (item={u'dest': u'/opt/payment/soft/zookeeper/bin/setid.sh', u'src': u'setid.sh.j2'}) changed: [192.168.252.2] => (item={u'dest': u'/opt/payment/soft/zookeeper/bin/setid.sh', u'src': u'setid.sh.j2'}) changed: [192.168.252.1] => (item={u'dest': u'/opt/payment/soft/zookeeper/bin/setid.sh', u'src': u'setid.sh.j2'}) changed: [192.168.61.150] => (item={u'dest': u'/opt/payment/soft/zookeeper/bin/zkServer.sh', u'src': u'zkServer.sh.j2'}) changed: [192.168.61.150] => (item={u'dest': u'/opt/payment/soft/zookeeper/conf/zoo.cfg', u'src': u'zoo.cfg.j2'}) changed: [192.168.252.2] => (item={u'dest': u'/opt/payment/soft/zookeeper/bin/zkServer.sh', u'src': u'zkServer.sh.j2'}) changed: [192.168.252.1] => (item={u'dest': u'/opt/payment/soft/zookeeper/bin/zkServer.sh', u'src': u'zkServer.sh.j2'}) changed: [192.168.252.2] => (item={u'dest': u'/opt/payment/soft/zookeeper/conf/zoo.cfg', u'src': u'zoo.cfg.j2'}) changed: [192.168.252.1] => (item={u'dest': u'/opt/payment/soft/zookeeper/conf/zoo.cfg', u'src': u'zoo.cfg.j2'}) TASK [zk : 9、写入myid] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [zk : 10、目录赋权] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [zk : 11、启动zookeeper集群] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [zk : 12、hold on] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [zk : 13、删除临时文件] *********************************************************** changed: [192.168.61.150] changed: [192.168.252.2] changed: [192.168.252.1] TASK [zk : 14、获取zookeeper集群状态] *********************************************************** changed: [192.168.252.2] changed: [192.168.61.150] changed: [192.168.252.1] TASK [zk : 15、打印zookeeper集群状态] *********************************************************** ok: [192.168.252.1] => { "status.stdout_lines": [ "/usr/bin/java", "Client port found: 12181. Client address: localhost.", "Mode: follower" ] } ok: [192.168.252.2] => { "status.stdout_lines": [ "/opt/payment/soft/jdk1.8/bin/java", "Client port found: 12181. Client address: localhost.", "Mode: follower" ] } ok: [192.168.61.150] => { "status.stdout_lines": [ "/opt/payment/soft/jdk1.8/bin/java", "Client port found: 12181. Client address: localhost.", "Mode: leader" ] } PLAY RECAP *********************************************************** 192.168.252.1 : ok=20 changed=16 unreachable=0 failed=0 192.168.252.2 : ok=20 changed=17 unreachable=0 failed=0 192.168.61.150 : ok=20 changed=17 unreachable=0 failed=0从以上输出结果可以看出zk集群已成功部署完成，192.168.61.150为leader，其余两节点为follower。
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工欲善其事必先利其器，通过观察，整改安装过程只需大概要不到5分钟的时间。相当nice,hahaha...下一篇分享通过ansible安装一键部署mysql5.7主从复制
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