在做持续交付这件事，想必大家都是用jenkins这款程序来做基石。当然，我们这次也是用jenkins作为承载工具，jenkins强大的插件是有目共睹的，有些ansible做起来不容易的事情交给jenkins反而简单有效。下面我会详细说明怎么持续交付tomcat应用。
希望本实验可以引导大家在持续交付的过程中使用ansible工具，也希望本实验能帮助到有需要的人，更希望给到大家一个简单的持续交付思想和启发。
应用架构
本次使用的应用架构是常见的负载均衡实例。
image.png
软件版本
os： centos 6.7 X64
ansible: 2.3.1.0
python: 2.6.6
ant: 10.1
java: 1.8.0_13
tomcat: 8.5.14
jenkins: 2.73
Ansible roles
服务器角色
| 主机 | 角色 |
|---|---|
| node1 | nginx,jenkins |
| node130 | tomcat |
| node131 | tomcat |
集群搭建
本次使用anisble playbook
---
- hosts: node130 node131
vars:
- java_version: "1.8"
- tomcat_version: "8.5.14"
- iptables_allowed_tcp_ports: ["8080"]
roles:
- java
- { role: tomcat, java_home: "/usr/java/jdk1.8.0_131" }
- iptables
- hosts: node1
vars:
- java_version: "1.8"
- nginx_version: "1.12.1"
- nginx_upstreams:
- name: upstremtest
servers:
- 192.168.77.130:8080 max_fails=2 fail_timeout=2
- 192.168.77.131:8080 max_fails=2 fail_timeout=2
- nginx_vhosts:
- listen: 80
locations:
- name: /
proxy_pass: http://upstremtest
- jenkins_version: "2.73"
- jenkins_plugins_extra:
- ansible
- ansicolor
- iptables_allowed_tcp_ports: ["80","8080"]
roles:
- ant
- java
- nginx
- jenkins
- iptables
tasks:
- name: install ansible package: name=ansible怎么使用ansible roles，请移步到 Ansible Role【怎么用？】
确保正常访问以下服务：
jenkins http://192.168.77.129:8080 帐号密码：admin/admin
tomcat http://192.168.77.130:8080/lework http://192.168.77.131:8080/lework
node1服务器操作
在服务器上配置ansible playbook
# cd /etc/ansible/# cat tomcat-deploy.yml--- - hosts: all serial: 1 roles: - deploy-tomcat# cat hosts[node130] 192.168.77.130 [node131] 192.168.77.131 [testservers:children] node130 node131 [testservers:vars] ansible_ssh_user=root ansible_ssh_pass=123456# git clone https://github.com/kuailemy123/Ansible-roles.git /etc/ansible/roles/# chown jenkins.jenkins /etc/ansible/
jenkins 操作
登录jenkins之后，设置工具
点击“系统管理”==》“Global Tool Configuration”
image.png
image.png
image.png
创建发布项目
image.png
配置参数化构建
image.png
配置源码仓库地址
image.png
配置构建环境
image.png
配置编译
image.png
配置ansible
image.png
配置ansible变量
image.png
这里就不配置邮件通知了。
创建回滚项目
image.png
配置参数化构建
image.png
配置构建环境
image.png
配置ansible
image.png
配置anisble变量
image.png
测试
执行tomcat_deploy任务
选择发布的节点，默认all
任务执行的日志
Started by user admin
Building in workspace /var/lib/jenkins/workspace/tomcat_deploy
Cloning the remote Git repository
Cloning repository https://github.com/kuailemy123/AntSpringMVC.git
> git init /var/lib/jenkins/workspace/tomcat_deploy # timeout=10Fetching upstream changes from https://github.com/kuailemy123/AntSpringMVC.git
> git --version # timeout=10
> git fetch --tags --progress https://github.com/kuailemy123/AntSpringMVC.git +refs/heads/*:refs/remotes/origin/*
> git config remote.origin.url https://github.com/kuailemy123/AntSpringMVC.git # timeout=10
> git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
> git config remote.origin.url https://github.com/kuailemy123/AntSpringMVC.git # timeout=10Fetching upstream changes from https://github.com/kuailemy123/AntSpringMVC.git
> git fetch --tags --progress https://github.com/kuailemy123/AntSpringMVC.git +refs/heads/*:refs/remotes/origin/*
> git rev-parse refs/remotes/origin/master^{commit} # timeout=10
> git rev-parse refs/remotes/origin/origin/master^{commit} # timeout=10Checking out Revision 989ea3a6549e16e3dd4cd329ab969b47658c9d67 (refs/remotes/origin/master)
Commit message: "Create README.md"
> git config core.sparsecheckout # timeout=10
> git checkout -f 989ea3a6549e16e3dd4cd329ab969b47658c9d67
First time build. Skipping changelog.
[tomcat_deploy] $ ant -file build.xml -Ddeploy_node=all
Buildfile: /var/lib/jenkins/workspace/tomcat_deploy/build.xml
clean:
[delete] Deleting directory /var/lib/jenkins/workspace/tomcat_deploy/war/WEB-INF/classes
init:
[mkdir] Created dir: /var/lib/jenkins/workspace/tomcat_deploy/target
[mkdir] Created dir: /var/lib/jenkins/workspace/tomcat_deploy/war/WEB-INF/classes
resolve:
[echo] Getting dependencies...
[ivy:retrieve] :: Apache Ivy 2.4.0 - 20141213170938 :: http://ant.apache.org/ivy/ ::
[ivy:retrieve] :: loading settings :: url = jar:file:/usr/local/ant/lib/ivy-2.4.0.jar!/org/apache/ivy/core/settings/ivysettings.xml
[ivy:retrieve] :: resolving dependencies :: org.apache#WebProject;working@node1[ivy:retrieve] confs: [compile, runtime, test]
[ivy:retrieve] found org.slf4j#slf4j-api;1.7.6 in public[ivy:retrieve] found jstl#jstl;1.2 in public[ivy:retrieve] found ch.qos.logback#logback-classic;1.1.2 in public[ivy:retrieve] found ch.qos.logback#logback-core;1.1.2 in public[ivy:retrieve] found org.springframework#spring-core;4.1.3.RELEASE in public[ivy:retrieve] found commons-logging#commons-logging;1.2 in public[ivy:retrieve] found org.springframework#spring-beans;4.1.3.RELEASE in public[ivy:retrieve] found org.springframework#spring-context;4.1.3.RELEASE in public[ivy:retrieve] found org.springframework#spring-aop;4.1.3.RELEASE in public[ivy:retrieve] found aopalliance#aopalliance;1.0 in public[ivy:retrieve] found org.springframework#spring-expression;4.1.3.RELEASE in public[ivy:retrieve] found org.springframework#spring-web;4.1.3.RELEASE in public[ivy:retrieve] found org.springframework#spring-webmvc;4.1.3.RELEASE in public[ivy:retrieve] downloading https://repo1.maven.org/maven2/org/slf4j/slf4j-api/1.7.6/slf4j-api-1.7.6.jar ...
[ivy:retrieve] ............ (28kB)
[ivy:retrieve] .. (0kB)
..... 省略下载的信息
[ivy:retrieve] :: resolution report :: resolve 74135ms :: artifacts dl 120701ms
---------------------------------------------------------------------
| | modules || artifacts |
| conf | number| search|dwnlded|evicted|| number|dwnlded|
---------------------------------------------------------------------
| compile | 13 | 13 | 13 | 0 || 13 | 13 |
| runtime | 13 | 13 | 13 | 0 || 13 | 13 |
| test | 13 | 13 | 13 | 0 || 13 | 13 |
---------------------------------------------------------------------
[ivy:retrieve] :: retrieving :: org.apache#WebProject[ivy:retrieve] confs: [compile, runtime, test]
[ivy:retrieve] 13 artifacts copied, 0 already retrieved (5920kB/79ms)
compile:
[javac] Compiling 1 source file to /var/lib/jenkins/workspace/tomcat_deploy/war/WEB-INF/classes
copy-resources:
[copy] Copying 1 file to /var/lib/jenkins/workspace/tomcat_deploy/war/WEB-INF/classes
package:
[ivy:retrieve] :: retrieving :: org.apache#WebProject[ivy:retrieve] confs: [runtime]
[ivy:retrieve] 0 artifacts copied, 13 already retrieved (0kB/5ms)
[war] Building war: /var/lib/jenkins/workspace/tomcat_deploy/target/helloproject-20170819172002.war
main:
BUILD SUCCESSFUL
Total time: 3 minutes 19 seconds
[tomcat_deploy] $ /usr/bin/ansible-playbook /etc/ansible/tomcat-deploy.yml -i /etc/ansible/hosts -l all -f 5 -e deploy_port=8080 -e deploy_file=/var/lib/jenkins/workspace/tomcat_deploy/target/helloproject-*.war
PLAY [all] *********************************************************************
TASK [Gathering Facts] *********************************************************
ok: [192.168.77.130]
TASK [deploy-tomcat : check | 发布文件是否存在] ****************************************
ok: [192.168.77.130]
TASK [deploy-tomcat : check | 目标应用服务的家目录是否存在] **********************************
ok: [192.168.77.130]
TASK [deploy-tomcat : check | 工作目录如果不存在则创建] ************************************
changed: [192.168.77.130] => (item=/tmp/tomcat-ansible-snap/new)
changed: [192.168.77.130] => (item=/tmp/tomcat-ansible-snap/pre)
changed: [192.168.77.130] => (item=/tmp/tomcat-ansible-snap/old)
TASK [deploy-tomcat : deloy | 解压代码至目标服务器] **************************************
changed: [192.168.77.130]
TASK [deploy-tomcat : deloy | 关闭服务] ********************************************
changed: [192.168.77.130]
TASK [deploy-tomcat : deloy | 等待端口关闭] ******************************************
ok: [192.168.77.130]
TASK [deploy-tomcat : deloy | 移动线上代码] ******************************************
changed: [192.168.77.130]
TASK [deploy-tomcat : deloy | 部署最新代码] ******************************************
changed: [192.168.77.130]
TASK [deploy-tomcat : deloy | 启动服务] ********************************************
changed: [192.168.77.130]
TASK [deploy-tomcat : deloy | 等待端口开启] ******************************************
ok: [192.168.77.130]
TASK [deploy-tomcat : verify | 查看http状态.] **************************************
ok: [192.168.77.130]
TASK [deploy-tomcat : backup | 创建存储备份的文件夹] *************************************
changed: [192.168.77.130]
TASK [deploy-tomcat : backup | 备份上线的代码] ****************************************
changed: [192.168.77.130]
TASK [deploy-tomcat : rollback | 检查/tmp/tomcat-ansible-snap/old是否存在代码] *********
skipping: [192.168.77.130]
TASK [deploy-tomcat : rollback | 关闭服务] *****************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : rollback | 等待端口关闭] ***************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : rollback | 部署上一版代码] **************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : rollback | 启动服务] *****************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : rollback | 等待端口开启] ***************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : verify | 查看http状态.] **************************************
skipping: [192.168.77.130]
PLAY [all] *********************************************************************
TASK [Gathering Facts] *********************************************************
ok: [192.168.77.131]
TASK [deploy-tomcat : check | 发布文件是否存在] ****************************************
ok: [192.168.77.131]
TASK [deploy-tomcat : check | 目标应用服务的家目录是否存在] **********************************
ok: [192.168.77.131]
TASK [deploy-tomcat : check | 工作目录如果不存在则创建] ************************************
ok: [192.168.77.131] => (item=/tmp/tomcat-ansible-snap/new)
ok: [192.168.77.131] => (item=/tmp/tomcat-ansible-snap/pre)
ok: [192.168.77.131] => (item=/tmp/tomcat-ansible-snap/old)
TASK [deploy-tomcat : deloy | 解压代码至目标服务器] **************************************
changed: [192.168.77.131]
TASK [deploy-tomcat : deloy | 关闭服务] ********************************************
changed: [192.168.77.131]
TASK [deploy-tomcat : deloy | 等待端口关闭] ******************************************
ok: [192.168.77.131]
TASK [deploy-tomcat : deloy | 移动线上代码] ******************************************
changed: [192.168.77.131]
TASK [deploy-tomcat : deloy | 部署最新代码] ******************************************
changed: [192.168.77.131]
TASK [deploy-tomcat : deloy | 启动服务] ********************************************
changed: [192.168.77.131]
TASK [deploy-tomcat : deloy | 等待端口开启] ******************************************
ok: [192.168.77.131]
TASK [deploy-tomcat : verify | 查看http状态.] **************************************
ok: [192.168.77.131]
TASK [deploy-tomcat : backup | 创建存储备份的文件夹] *************************************
changed: [192.168.77.131]
TASK [deploy-tomcat : backup | 备份上线的代码] ****************************************
changed: [192.168.77.131]
TASK [deploy-tomcat : rollback | 检查/tmp/tomcat-ansible-snap/old是否存在代码] *********
skipping: [192.168.77.131]
TASK [deploy-tomcat : rollback | 关闭服务] *****************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : rollback | 等待端口关闭] ***************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : rollback | 部署上一版代码] **************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : rollback | 启动服务] *****************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : rollback | 等待端口开启] ***************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : verify | 查看http状态.] **************************************
skipping: [192.168.77.131]
PLAY RECAP *********************************************************************
192.168.77.130 : ok=14 changed=8 unreachable=0 failed=0
192.168.77.131 : ok=14 changed=7 unreachable=0 failed=0
Finished: SUCCESS执行tomcat_rollback任务
image.png
选择回滚的节点，默认all
执行的日志
Started by user admin
Building in workspace /var/lib/jenkins/workspace/tomcat_rollback
[tomcat_rollback] $ /usr/bin/ansible-playbook /etc/ansible/tomcat-deploy.yml -i /etc/ansible/hosts -l all -f 5 -e deploy_rollback=truePLAY [all] *********************************************************************
TASK [Gathering Facts] *********************************************************ok: [192.168.77.130]
TASK [deploy-tomcat : check | 发布文件是否存在] ****************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : check | 目标应用服务的家目录是否存在] **********************************skipping: [192.168.77.130]
TASK [deploy-tomcat : check | 工作目录如果不存在则创建] ************************************
skipping: [192.168.77.130] => (item=/tmp/tomcat-ansible-snap/new)
skipping: [192.168.77.130] => (item=/tmp/tomcat-ansible-snap/pre)
skipping: [192.168.77.130] => (item=/tmp/tomcat-ansible-snap/old)
TASK [deploy-tomcat : deloy | 解压代码至目标服务器] **************************************skipping: [192.168.77.130]
TASK [deploy-tomcat : deloy | 关闭服务] ********************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : deloy | 等待端口关闭] ******************************************skipping: [192.168.77.130]
TASK [deploy-tomcat : deloy | 移动线上代码] ******************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : deloy | 部署最新代码] ******************************************skipping: [192.168.77.130]
TASK [deploy-tomcat : deloy | 启动服务] ********************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : deloy | 等待端口开启] ******************************************skipping: [192.168.77.130]
TASK [deploy-tomcat : verify | 查看http状态.] **************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : backup | 创建存储备份的文件夹] *************************************skipping: [192.168.77.130]
TASK [deploy-tomcat : backup | 备份上线的代码] ****************************************
skipping: [192.168.77.130]
TASK [deploy-tomcat : rollback | 检查/tmp/tomcat-ansible-snap/old是否存在代码] *********changed: [192.168.77.130]
TASK [deploy-tomcat : rollback | 关闭服务] *****************************************
changed: [192.168.77.130]
TASK [deploy-tomcat : rollback | 等待端口关闭] ***************************************ok: [192.168.77.130]
TASK [deploy-tomcat : rollback | 部署上一版代码] **************************************
changed: [192.168.77.130]
TASK [deploy-tomcat : rollback | 启动服务] *****************************************fatal: [192.168.77.130]: FAILED! => {"changed": true, "cmd": "/etc/init.d/tomcat start", "delta": "0:00:20.035003", "end": "2017-08-19 17:24:47.586469", "failed": true, "rc": 1, "start": "2017-08-19 17:24:27.551466", "stderr": "", "stderr_lines": [], "stdout": "", "stdout_lines": []}
...ignoring
TASK [deploy-tomcat : rollback | 等待端口开启] ***************************************
ok: [192.168.77.130]
TASK [deploy-tomcat : verify | 查看http状态.] **************************************ok: [192.168.77.130]
PLAY [all] *********************************************************************
TASK [Gathering Facts] *********************************************************ok: [192.168.77.131]
TASK [deploy-tomcat : check | 发布文件是否存在] ****************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : check | 目标应用服务的家目录是否存在] **********************************skipping: [192.168.77.131]
TASK [deploy-tomcat : check | 工作目录如果不存在则创建] ************************************
skipping: [192.168.77.131] => (item=/tmp/tomcat-ansible-snap/new)
skipping: [192.168.77.131] => (item=/tmp/tomcat-ansible-snap/pre)
skipping: [192.168.77.131] => (item=/tmp/tomcat-ansible-snap/old)
TASK [deploy-tomcat : deloy | 解压代码至目标服务器] **************************************skipping: [192.168.77.131]
TASK [deploy-tomcat : deloy | 关闭服务] ********************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : deloy | 等待端口关闭] ******************************************skipping: [192.168.77.131]
TASK [deploy-tomcat : deloy | 移动线上代码] ******************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : deloy | 部署最新代码] ******************************************skipping: [192.168.77.131]
TASK [deploy-tomcat : deloy | 启动服务] ********************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : deloy | 等待端口开启] ******************************************skipping: [192.168.77.131]
TASK [deploy-tomcat : verify | 查看http状态.] **************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : backup | 创建存储备份的文件夹] *************************************skipping: [192.168.77.131]
TASK [deploy-tomcat : backup | 备份上线的代码] ****************************************
skipping: [192.168.77.131]
TASK [deploy-tomcat : rollback | 检查/tmp/tomcat-ansible-snap/old是否存在代码] *********changed: [192.168.77.131]
TASK [deploy-tomcat : rollback | 关闭服务] *****************************************
changed: [192.168.77.131]
TASK [deploy-tomcat : rollback | 等待端口关闭] ***************************************ok: [192.168.77.131]
TASK [deploy-tomcat : rollback | 部署上一版代码] **************************************
changed: [192.168.77.131]
TASK [deploy-tomcat : rollback | 启动服务] *****************************************changed: [192.168.77.131]
TASK [deploy-tomcat : rollback | 等待端口开启] ***************************************
ok: [192.168.77.131]
TASK [deploy-tomcat : verify | 查看http状态.] **************************************ok: [192.168.77.131]
PLAY RECAP *********************************************************************192.168.77.130 : ok=8 changed=4 unreachable=0 failed=0 192.168.77.131 : ok=8 changed=4 unreachable=0 failed=0 Finished: SUCCESS至此，持续交付实验就完成了，但是持续之路还是很漫长了。望大家永远前进。 大家也可在发的过程中，测试发布是否是灰度发布。
for i in `seq 10000`;do curl -s -I http://192.168.77.129 | head -1;sleep 1;done;
作者：lework
链接：https://www.jianshu.com/p/fca8f91ae223
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