saltstack的探索-安装vim、nginx服务和配置、自定义脚本

t4r23

saltstack的探索-安装vim、nginx服务和配置、自定义脚本

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1. 配置minion 首先，移除原来的测试minion [iyunv@svr200-21 bin]# salt-key -d test230 The following keys are going to be deleted: Accepted Keys: test230 Proceed? [N/y] y Key for minion test230 deleted. 新增minion： 【svr205-2】 [iyunv@svr205-2 ~]# yum install salt-minion -y [iyunv@svr205-2 ~]# vim /etc/salt/minion master: 10.0.200.21 id: svr205-2 [iyunv@svr205-2 ~]# service salt-minion start Starting salt-minion daemon:                               [  OK  ] 【svr205-2, 3, 4, 5类似】同上 2. 配置master和minion的key [iyunv@svr200-21 bin]# salt-key -L Accepted Keys: Unaccepted Keys: svr205-2 svr205-3 svr205-4 svr205-5 Rejected Keys: [iyunv@svr200-21 bin]# salt-key -a svr205* The following keys are going to be accepted: Unaccepted Keys: svr205-2 svr205-3 svr205-4 svr205-5 Proceed? [n/Y] y Key for minion svr205-2 accepted. Key for minion svr205-3 accepted. [iyunv@svr200-21 bin]# salt-key -L Accepted Keys: svr205-2 svr205-3 svr205-4 svr205-5 Unaccepted Keys: Rejected Keys: 测试： [iyunv@svr200-21 salt]# salt 'svr205-*' test.ping svr205-3:     True svr205-2:     True svr205-5:     True svr205-4:     True 3. 配置管理-同步vim配置 [iyunv@svr200-21 salt]# pwd /srv/salt [iyunv@svr200-21 salt]# cat edit/vim.sls vim-enhanced:     pkg.installed: [] /root/.vimrc:     file.managed:         - source: salt://edit/conf/vimrc         - mode: 644         - uesr: root         - group: root [iyunv@svr200-21 salt]# ls edit/conf/ vimrc [iyunv@svr200-21 salt]# salt 'svr205-*' state.sls edit.vim ########################################################################## 略 ########################################################################## 4. 远程执行-在4台主机上执行脚本lvs-realsvr，并加入开机启动。 启动脚本： [iyunv@svr200-21 salt]# cat lvs/real/start.sls /etc/rc.d/init.d/lvs-realsvr:   file.managed:     - source: salt://lvs/bin/lvs-realsvr.sh     - mode: 755 lvs-realsvr:   cmd.run:     - require:       - file: /etc/rc.d/init.d/lvs-realsvr     - name: service lvs-realsvr start && chkconfig lvs-realsvr on 关闭脚本： [iyunv@svr200-21 salt]# cat lvs/real/stop.sls /etc/rc.d/init.d/lvs-realsvr:   file.managed:     - source: salt://lvs/bin/lvs-realsvr.sh     - mode: 755 lvs-realsvr:   cmd.run:     - require:       - file: /etc/rc.d/init.d/lvs-realsvr     - name: service lvs-realsvr stop && chkconfig lvs-realsvr off 控制脚本： [iyunv@svr200-21 salt]# cat lvs/bin/lvs-realsvr.sh #!/bin/bash # # 2015/2/28 # lvs real server # # chkconfig:   - 85 15 # description:  control vip on lvs realserver # Source function library. . /etc/rc.d/init.d/functions # Source networking configuration. . /etc/sysconfig/network # Check that networking is up. [ "$NETWORKING" = "no" ] && exit 0 lockfile="/var/lock/subsys/lvs-real"     s_vip='10.0.205.100' start() {   ifconfig lo:1 ${s_vip} netmask 255.255.255.255 broadcast ${s_vip}   route add -host ${s_vip} dev lo:1   echo 1 >/proc/sys/net/ipv4/conf/lo/arp_ignore   echo 2 >/proc/sys/net/ipv4/conf/lo/arp_announce   echo 1 >/proc/sys/net/ipv4/conf/all/arp_ignore   echo 2 >/proc/sys/net/ipv4/conf/all/arp_announce   retval=$?   echo   [ $retval -eq 0 ] && touch $lockfile   return $retval } stop() {   echo 0 >/proc/sys/net/ipv4/conf/lo/arp_ignore   echo 0 >/proc/sys/net/ipv4/conf/lo/arp_announce   echo 0 >/proc/sys/net/ipv4/conf/all/arp_ignore   echo 0 >/proc/sys/net/ipv4/conf/all/arp_announce   ifconfig lo:1 down   route del -host ${s_vip}   retval=$?   echo   [ $retval -eq 0 ] && rm -f $lockfile   return $retval } status() {   ip a |grep inet |grep -v inet6   } case $1 in     start)     start     status     ;;   stop)     stop     status     ;;   status)     status     ;;   *)       echo $"Usage: $0 {start|stop|status}"     exit 2 esac           执行： [iyunv@svr200-21 salt]# salt 'svr205-*' state.sls lvs.real.start ########################################################################## 略 ########################################################################## 查看minion的状态： 【svr205-2】 [iyunv@svr205-2 ~]# ll /etc/init.d/lvs-realsvr -rwxr-xr-x 1 root root 1252 Feb 28 05:31 /etc/init.d/lvs-realsvr [iyunv@svr205-2 ~]# ip a |grep inet |grep -v inet6     inet 127.0.0.1/8 scope host lo     inet 10.0.205.100/32 brd 10.0.205.100 scope global lo:1     inet 10.0.205.2/8 brd 10.255.255.255 scope global eth0       [iyunv@svr200-21 salt]# salt 'svr205-*' state.sls lvs.real.stop ########################################################################## 略 ########################################################################## 查看minion的状态： 【svr205-2】 [iyunv@svr205-2 ~]# ip a |grep inet |grep -v inet6     inet 127.0.0.1/8 scope host lo     inet 10.0.205.2/8 brd 10.255.255.255 scope global eth0     5. 配置管理-安装nginx服务，并加入开机启动。 [iyunv@svr200-21 salt]# cat nginx/init.sls nginx:   pkg.installed: []   service.running:     - require:       - pkg: nginx   cmd.run:     - require:       - pkg: nginx     - name: chkconfig nginx on [iyunv@svr200-21 salt]# salt 'svr205-*' state.sls ########################################################################## 略 ########################################################################## 深入一步，使用模版部署自定义的index.html，更新nginx首页，显示当前web主机的hostname和ip信息。 [iyunv@svr200-21 salt]# cat nginx/init.sls nginx:   pkg.installed: []   service.running:     - watch:       - file: /usr/share/nginx/html/index.html     - require:       - pkg: nginx   cmd.run:     - require:       - pkg: nginx     - name: chkconfig nginx on /usr/share/nginx/html/index.html:   file.managed:     - source: salt://nginx/conf/index.html     - template: jinja [iyunv@svr200-21 salt]# cat nginx/conf/index.html <p>   HOST:   {{ grains['host'] }} <br />   <br /><br /> {% for k,v in grains.get('ip4_interfaces').items() %}   {{ k }}: {{ v.pop() }} <br /> {% endfor %} </p> [iyunv@svr200-21 salt]# salt 'svr205-*' state.sls nginx ########################################################################## 略 ########################################################################## 查看文件是否有改变： 【svr205-2】 [iyunv@svr205-2 ~]# cat /usr/share/nginx/html/index.html <p>   HOST:   svr205-2 <br />   <br /><br />   lo: 10.0.205.100 <br />   eth0: 10.0.205.2 <br /> </p> 如上，得到了该主机的hostname和ip信息，符合预期。