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Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

2019-08-05 51热度

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

1.分别配置两台tomcat后端服务的java环境

1)准备jdk8压缩包

[root@tomcat jdk]# pwd /usr/local/src/jdk root@tomcat jdk]# ls jdk-8u211-linux-x64.tar.gz

2)解压jdk压缩包当前目录下并创建软连接

[root@tomcat jdk]# tar xvf jdk-8u211-linux-x64.tar.gz [root@tomcat jdk]# ln -sv jdk1.8.0_211/ jdk

3)配置java的环境变量并生效

[root@tomcat ~]# vim /etc/profile
……
export JAVA_HOME=/usr/local/src/jdk/jdk
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=$JAVA_HOME/lib/:$JRE_HOME/lib
export TOMCAT_HOME=/usr/local/src/tomcat/tomcat
export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin:$TOMCAT_HOME/bin
[root@tomcat ~]# source /etc/profile

4)测试java环境

[root@tomcat ~]# echo $JAVA_HOME /usr/local/src/jdk/jdk [root@tomcat ~]# echo $CLASSPATH /usr/local/src/jdk/jdk/lib/:/usr/local/src/jdk/jdk/jre/lib [root@tomcat ~]# echo $PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/usr/local/src/jdk/jdk/bin:/usr/local/src/jdk/jdk/jre/bin:/usr/local/src/tomcat/tomcat/bin:/root/bin [root@tomcat ~]# java -version #查看java的版本 java version "1.8.0_211" Java(TM) SE Runtime Environment (build 1.8.0_211-b12) Java HotSpot(TM) 64-Bit Server VM (build 25.211-b12, mixed mode)

2.分别安装配置tomcat服务

1)准备tomcat二进制压缩包

[root@tomcat tomcat]# pwd /usr/local/src/tomcat [root@tomcat tomcat]# ls apache-tomcat-8.5.43.tar.gz

2)解压tomcat压缩文件并创建软连接

[root@tomcat tomcat]# tar xvf apache-tomcat-8.5.43.tar.gz [root@tomcat tomcat]# ln -sv apache-tomcat-8.5.43 tomcat

3)启动tomcat服务

[root@tomcat ~]# /usr/local/src/tomcat/tomcat/bin/catalina.sh start

4)查看启动端口

[root@tomcat ~]# ss -tnlp State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128 *:22 *:* users:(("sshd",pid=3716,fd=3)) LISTEN 0 100 127.0.0.1:25 *:* users:(("master",pid=3936,fd=13)) LISTEN 0 100 :::8009 :::* users:(("java",pid=5861,fd=54)) LISTEN 0 100 :::8080 :::* users:(("java",pid=5861,fd=49)) LISTEN 0 128 :::22 :::* users:(("sshd",pid=3716,fd=4)) LISTEN 0 100 ::1:25 :::* users:(("master",pid=3936,fd=14)) LISTEN 0 1 ::ffff:127.0.0.1:8005 :::* users:(("java",pid=5861,fd=75))

5)浏览器访问测试“主tomcat服务”

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

6)浏览器访问测试“备tomcat-1服务”

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

3.分别配置两台keepalived+haproxy高可用分离调度服务

1)安装高可用服务keepalived

[root@keepalive_haproxy ~]# yum install keepalive -y

2)修改keepalived配置文件

[root@keepalive_haproxy ~]# vim /etc/keepalived/keepalived.conf ! Configuration File for keepalived global_defs { notification_email { acassen@firewall.loc failover@firewall.loc sysadmin@firewall.loc } notification_email_from Alexandre.Cassen@firewall.loc smtp_server 192.168.200.1 smtp_connect_timeout 30 router_id haproxy #在备份服务中的路由id设置为 ”haproxy-1“,不可相同 vrrp_skip_check_adv_addr # vrrp_strict #禁用掉vrrp,否则只支持组播不支持单播模式 vrrp_iptables #开启不自动添加防火墙规则,避免无法访问此主机 vrrp_garp_interval 0 vrrp_gna_interval 0 } vrrp_instance VI_1 { state MASTER #设置为主服务,在备份服务中设置为”BACKUP“,备份服务 interface eth0 #绑定的网卡 virtual_router_id 51 #实例路由id号,此id号主备服务可相同 priority 100 #优先级,备份服务优先级必须小于100 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.10.23/ dev eth0 label eth0:0 #将虚拟vip绑定到本地eth0网卡并取名为eth0:0 } unicast_src_ip 192.168.1.10 #单播源地址ip,在备份服务中设置源ip为192.168.1.11 unicast_peer{ 192.168.1.11 #单播目标地址ip,在备份服务中设置目标ip为192.168.1.10 } }

3)分别启动keepalived服务

主keepalivd:
[root@keepalive_haproxy ~]# systemctl start keepalived root@keepalive_haproxy ~]# systemctl status keepalived ● keepalived.service - LVS and VRRP High Availability Monitor Loaded: loaded (/usr/lib/systemd/system/keepalived.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2019-08-05 18:10:00 CST; 21s ago Process: 4313 ExecStart=/usr/sbin/keepalived $KEEPALIVED_OPTIONS (code=exited, status=0/SUCCESS) Main PID: 4314 (keepalived) [root@keepalive_haproxy ~]# ip a …… eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:0c:29:36:53:00 brd ff:ff:ff:ff:ff:ff inet 192.168.1.10/24 brd 192.168.1.255 scope global eth0 valid_lft forever preferred_lft forever inet 192.168.10.23/0 scope global eth0:0 #绑定的虚拟vip valid_lft forever preferred_lft forever ……
备keepalivd:
[root@keepalive_haproxy ~]# systemctl status keepalived ● keepalived.service - LVS and VRRP High Availability Monitor Loaded: loaded (/usr/lib/systemd/system/keepalived.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2019-08-05 17:32:01 CST; 40min ago Process: 3712 ExecStart=/usr/sbin/keepalived $KEEPALIVED_OPTIONS (code=exited, status=0/SUCCESS) Main PID: 3853 (keepalived) [root@keepalive_haproxy ~]# ip a #没有看到虚拟vip,当主服务挂掉,虚拟vip会自动漂移到此主机 …… eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:0c:29:c4:e2:07 brd ff:ff:ff:ff:ff:ff inet 192.168.1.11/24 brd 192.168.1.255 scope global eth0 ……

4)分别配置两台调度服务内核参数

[root@keepalive_haproxy ~]# vim /etc/sysctl.conf …… net.ipv4.ip_nonlocal_bind = 1 #开启非本地ip绑定,避免haproxy无法绑定非本机ip net.ipv4.ip_forward = 1 #开启路由转发功能

5)生效内核参数

[root@keepalive_haproxy ~]# sysctl -p net.ipv4.ip_nonlocal_bind = 1 net.ipv4.ip_forward = 1

6)分别编译安装好haproxy,以下为编译安装后的路径

[root@keepalive_haproxy haproxy]# pwd /usr/local/src/haproxy [root@keepalive_haproxy haproxy]# ls doc sbin share

7)再修改配置文件,两台服务配置文件必须保持相同

[root@keepalive_haproxy ~]# vim /etc/haproxy/haproxy.cfg Global maxconn 100000 #每个进程并发最大连接数 chroot /usr/local/src/haproxy #锁定 运行的目录 #stats socket /var/lib/haproxy/haproxy.sock mode 600 level admin stats socket /usr/local/src/haproxy/haproxy.sock mode 600 level admin #自定义sock 文件路径,此路径下haproxy启动用户必须有权限创建haproxy.sock文件,否则服务无法 启动,此sock文件为支持动态下线后端服务功能,也可注释掉不创建sock文件 uid 88 #执行haproxy的用户身份 gid 88 #所属的组 daemon nbproc 2 #开启的线程数 cpu-map 1 0 #绑定到cup的第0号核心 cpu-map 2 1 #绑定到cup的第1号核心 pidfile /run/haproxy.pid #pid文件路径 log 127.0.0.1 local3 info #定义全局syslog defaults #默认设置,为前端、后端及listen默认设置 option http-keep-alive option forwardfor #ip透传 maxconn 100000 mode http timeout connect 300000ms timeout client 300000ms timeout server 300000ms listen stats #开启监听状态页 mode http #http协议 bind 0.0.0.0:9999 #状态页访绑定的端口 stats enable #开启状态页 log global #全局日志 stats uri /haproxy-status #状态也路径 stats auth admin:123456 #状态页登录的用户名及密码 listen web_port #监听的服务 bind 192.168.10.23:80 #绑定的虚拟vip及端口,当外网访问此虚拟vip时会自动调度到后端服务 mode http #http协议 balance roundrobin #调度算法 roundrobin动态轮询 log global #全局日志 server 192.168.1.20 192.168.1.20:8080 check inter 3000 fall 2 rise 5 #调度的后端服务 server 192.168.1.21 192.168.1.21:8080 check inter 3000 fall 2 rise 5 #调度的后端服务

8)创建haproxy启动用户

[root@keepalive_haproxy haproxy]# useradd -r -s /sbin/nologin haproxy -u 88

9)分别创建haproxy启动脚本

[root@keepalive_haproxy haproxy]# vim /usr/lib/systemd/system/haproxy.service [Unit] Description=HAproxy Load Balancer After=syslog.target network.target [Service] ExecStartPre=/usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -c -q ExecStart=/usr/sbin/haproxy -Ws -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid ExecStop=/bin/kill -USR2 $MAINPID [Install] WantedBy=multi-user.target

10)分别启动haproxy服务

[root@keepalive_haproxy haproxy]# systemctl start haproxy root@keepalive_haproxy haproxy]# systemctl status haproxy ● haproxy.service - HAproxy Load Balancer Loaded: loaded (/usr/lib/systemd/system/haproxy.service; enabled; vendor preset: disabled) Active: active (running) since Mon 2019-08-05 17:31:48 CST; 1h 25min ago Process: 3716 ExecStartPre=/usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -c -q (code=exited, status=0/SUCCESS) Main PID: 3769 (haproxy) [root@keepalive_haproxy haproxy]# ss -tnlp State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128 *:9999 *:* users:(("haproxy",pid=3828,fd=5),("haproxy",pid=3827,fd=5)) LISTEN 0 128 192.168.10.23:80 *:* users:(("haproxy",pid=3828,fd=7),("haproxy",pid=3827,fd=7)) ……

11)haproxy状态页访问

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

12)浏览器访问调度服务,成功调度到后端服务

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

4.创建Jenkins的执行脚本,用以实现通过Jenkins的选项参数来自动测试、部署、回滚代码(事先搭建好jenkins、gitlab、sonaqube等服务,其中jenkins要安装scanner扫描器)

1)自定义创建指定的jenkins服务工作目录

[root@jenkins]# mkdir /data/jenkins/worker -pv

2)jenkins服务器脚本的保存路径

[root@jenkins jenkins]# pwd /data/jenkins

3)jenkins服务器编辑脚本

[root@jenkins jenkins]# vim project.sh #!/bin/bash #jenkins参数选项 time=`date +%Y-%m-%d_%H-%M-%S` method=$1 group=$2 branch=$3 #后端tomcat服务ip地址组 ip_value(){ if [[ $group == "group1" ]];then ip_list="192.168.1.20" echo ${ip_list} elif [[ $group == "group2" ]];then ip_list="192.168.1.21" echo ${ip_list} ssh root@192.168.1.10 "echo "enable server web_port/192.168.1.20" | socat stdio /usr/local/src/haproxy/haproxy.sock" ssh root@192.168.1.11 "echo "enable server web_port/192.168.1.20" | socat stdio /usr/local/src/haproxy/haproxy.sock" elif [[ $group == "group3" ]];then ip_list="192.168.1.20 192.168.1.21" echo ${ip_list} fi } #代码先部署至Jenkins服务端 code_deploy(){ cd /data/jenkins/worker rm -rf ./* git clone -b $branch git@192.168.1.30:jie/web-page.git } #代码测试 code_test(){ cd /data/jenkins/worker/web-page cat > sonar-project.properties <<eof sonar.projectKey=one123456 sonar.projectName=code-test sonar.projectVersion=1.0 sonar.sources=./ sonar.language=php sonar.sourceEncoding=UTF-8 eof /data/scanner/sonar-scanner/bin/sonar-scanner } #代码压缩 code_compress(){ cd /data/jenkins/worker/ rm -f web-page/sonar-project.properties tar czvf code-tar.gz web-page } #调度器剥离后端服务 haproxy_down(){ for ip in ${ip_list};do echo $ip ssh root@192.168.1.10 "echo "disable server web_port/${ip}"|socat stdio /usr/local/src/haproxy/haproxy.sock" ssh root@192.168.1.11 "echo "disable server web_port/${ip}"|socat stdio /usr/local/src/haproxy/haproxy.sock" done } #后端服务下线 backend_stop(){ for ip in ${ip_list};do echo $ip ssh root@$ip "source /etc/profile && /usr/local/src/tomcat/tomcat/bin/catalina.sh stop" done } #部署代码到后端服务站点 scp_backend(){ for ip in ${ip_list};do echo $ip scp /data/jenkins/worker/code-tar.gz root@${ip}:/usr/local/src/tomcat/tomcat/web-code/${time}-code-tar.gz ssh root@${ip} "tar xvf /usr/local/src/tomcat/tomcat/web-code/${time}-code-tar.gz -C /usr/local/src/tomcat/tomcat/webapps" done } #启动后端服务 backend_start(){ for ip in ${ip_list};do echo $ip ssh root@$ip "source /etc/profile && /usr/local/src/tomcat/tomcat/bin/catalina.sh start" sleep 6 done } #测试访问后端服务 backend_test(){ for ip in ${ip_list};do echo $ip status_code=`curl -I -s -m 6 -o /dev/null -w %{http_code} http://${ip}:8080` if [ ${status_code} -eq 200 ];then echo "访问测试成功,后端代码部署成功" if [[ $ip == "192.168.1.21" ]];then ssh root@192.168.1.10 "echo "enable server web_port/${ip}" | socat stdio /usr/local/src/haproxy/haproxy.sock" ssh root@192.168.1.11 "echo "enable server web_port/${ip}" | socat stdio /usr/local/src/haproxy/haproxy.sock" fi else echo "访问测试失败,请重新部署代码至后端服务" fi done } #代码回滚 code_rollback(){ for ip in ${ip_list};do echo $ip last_version=`ssh root@${ip} "ls -l -t /usr/local/src/tomcat/tomcat/web-code/" | awk 'NR==3{print $NF}'` ssh root@${ip} " tar xvf /usr/local/src/tomcat/tomcat/web-code/$last_version -C /usr/local/src/tomcat/tomcat/webapps" done echo "tomcat代码回滚成功,回到上一版本,下一步进行访问测试" } #主菜单命令 main(){ case $1 in deploy) ip_value; code_deploy; code_test; code_compress; haproxy_down; backend_stop; scp_backend; backend_start; backend_test; ;; rollback) ip_value; haproxy_down; backend_stop; code_rollback; backend_start; backend_test; ;; esac } main $1 $2 $3

4)再各后端创建好代码压缩文件保存路径

主tomcat:
[root@tomcat tomcat]# mkdir web-code [root@tomcat tomcat]# pwd /usr/local/src/tomcat/tomcat
备tomcat-1:
[root@tomcat-1 tomcat]# mkdir web-code [root@tomcat-1 tomcat]# pwd /usr/local/src/tomcat/tomcat

5)再jenkins服务设置好免密秘钥登录各服务

[root@jenkins jenkins]# ssh-copy-id 192.168.1.10 [root@jenkins jenkins]# ssh-copy-id 192.168.1.11 [root@jenkins jenkins]# ssh-copy-id 192.168.1.20 [root@jenkins jenkins]# ssh-copy-id 192.168.1.21

5.再gitlab服务器克隆并推送代码

1)克隆指定的develop分支代码

root@ubuntu1804:~# git clone -b develop http://192.168.1.30/jie/web-page.git Cloning into 'web-page'... Username for 'http://192.168.1.30': jie Password for 'http://jie@192.168.1.30': remote: Enumerating objects: 39, done. remote: Counting objects: 100% (39/39), done. remote: Compressing objects: 100% (22/22), done. remote: Total 39 (delta 4), reused 27 (delta 4) Unpacking objects: 100% (39/39), done.

2)查看克隆的所包含的代码文件

root@ubuntu1804:~# ls web-page/ index.html Math.php

3)修改代文件

root@ubuntu1804:~/web-page# cat index.html <h1>welcome to tomcat page</h1> <h3>simple-version v1</h3>

4)推送v1版代码至gitlab代码库

root@ubuntu1804:~/web-page# git add ./* root@ubuntu1804:~/web-page# git commit -m 'v1' [develop d0dd713] v1 1 file changed, 2 insertions(+), 2 deletions(-) root@ubuntu1804:~/web-page# git push Username for 'http://192.168.1.30': jie Password for 'http://jie@192.168.1.30': Counting objects: 3, done. Delta compression using up to 4 threads. Compressing objects: 100% (3/3), done. Writing objects: 100% (3/3), 316 bytes | 316.00 KiB/s, done. Total 3 (delta 0), reused 0 (delta 0) remote: remote: To create a merge request for develop, visit: remote: http://192.168.1.30/jie/web-page/merge_requests/new?merge_request%5Bsource_branch%5D=develop remote: To http://192.168.1.30/jie/web-page.git c10f5bf..d0dd713 develop -> develop

6.jenkins的配置文件修改及选项参数构建

1)创建一个项目code-test

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

2)配置此项目的configure文件,添加选项参数、字符参数且与脚本文件中的选项相对应

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

3)配置jenkins的shell脚本命令,此脚本实现代码的测试、部署以及 回滚

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

4)保存以上配置,然后部署第一组后端服务主tomcat

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat
Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

5)控制台输出信息

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat
Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat
Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

6)直接浏览器访问主tomcat服务验证是否部署成功

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

7)再部署第二组后端服务备tomcat-1

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat
Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

8)控制台输出部署成功信息

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

9)分别查看后端服务部署的相关代码文件,确定代码文件是否部署到后端服务

主tomcat服务端:
[root@tomcat tomcat]# pwd/usr/local/src/tomcat/tomcat [root@tomcat tomcat]# ll web-code/ total 16 -rw-r--r-- 1 root root 14910 Aug 4 18:23 2019-08-04_18-23-01-code-tar.gz [root@tomcat webapps]# pwd /usr/local/src/tomcat/tomcat/webapps [root@tomcat webapps]# cat web-page/index.html <h1>welcome to tomcat page</h1> <h3>simple-version v1</h3>
备tomcat-1服务端:
[root@tomcat-1 tomcat]# pwd /usr/local/src/tomcat/tomcat [root@tomcat-1 tomcat]# ll web-code/ total 16 -rw-r--r-- 1 root root 14910 Aug 4 18:23 2019-08-04_18-23-01-code-tar.gz [root@tomcat-1 webapps]# pwd /usr/local/src/tomcat/tomcat/webapps [root@tomcat-1 webapps]# cat web-page/index.html <h1>welcome to tomcat page</h1> <h3>simple-version v1</h3>

10)直接浏览器访问备tomcat1服务验证是否部署成功,如下所示备tomcat-1代码也部署成功

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

11)最后通过浏览器haproxy调度器,成功调度到后端服务tomcat

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

12)代码测试结果

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

7.将后端服务代码升级到v2新版本

1)在gitlab服务器更新代码

root@ubuntu1804:~/web-page# cat index.html <h1>welcome to tomcat page</h1> <h3>enhanced-version v2--- Handled bugs on the old v1</h3>

2)在gitlab服务器再次推送v2新版本代码至gitlab代码库

root@ubuntu1804:~/web-page# git add ./* root@ubuntu1804:~/web-page# git commit -m 'v2' [develop 2512294] v2 1 file changed, 1 insertion(+), 1 deletion(-) root@ubuntu1804:~/web-page# git push Username for 'http://192.168.1.30': jie Password for 'http://jie@192.168.1.30': Counting objects: 3, done. Delta compression using up to 4 threads. Compressing objects: 100% (3/3), done. Writing objects: 100% (3/3), 344 bytes | 344.00 KiB/s, done. Total 3 (delta 0), reused 0 (delta 0) remote: remote: To create a merge request for develop, visit: remote: http://192.168.1.30/jie/web-page/merge_requests/new?merge_request%5Bsource_branch%5D=develop remote: To http://192.168.1.30/jie/web-page.git d0dd713..2512294 develop -> develop

3)构建参数group3,将所有后端服务全部更新,升级至v2版本

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

4)查看控制台执行的结果,显示部署成功

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

5)在各后端服务端查看更新的代码文件,检查代码是否更新,并浏览器测试访问

tomcat服务端:
[root@tomcat webapps]# cat web-page/index.html <h1>welcome to tomcat page</h1> <h3>enhanced-version v2--- Handled bugs on the old v1</h3>

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

tomcat-1服务端:
[root@tomcat-1 webapps]# cat web-page/index.html <h1>welcome to tomcat page</h1> <h3>enhanced-version v2--- Handled bugs on the old v1</h3>

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

6)再通过浏览器访问haproxy调度器服务,检查更新代码后是否成功调度到后端服务

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

7)代码测试结果

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

8.代码回滚到旧版本(若v2版本不稳定,则需要将后端服务代码回滚到旧版本v1,避免影响业务的进行)

1)构建选择rollback回滚,group3所有后端回滚

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

2)查看控制台输代码部署输出信息

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

3)查看各后端服务代码文件,检查代码是否回滚到v1旧版本,并浏览器测试各服务端

主tomcat服务端:

[root@tomcat webapps]# cat web-page/index.html
<h1>welcome to tomcat page</h1>
<h3>simple-version v1</h3>
Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

备tomcat-1服务端:

[root@tomcat-1 webapps]# cat web-page/index.html
<h1>welcome to tomcat page</h1>
<h3>simple-version v1</h3>
Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

4)访问haproxy调度器服务,代码回滚成功

Jenkins小项目—代码测试、部署、回滚、keepalived+haproxy调度至tomcat

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