rex 文件操作
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File Manipulation:文件操作:Rex::Commands::File 传输文件操作使用这个模块你可以传输文件[root@node01 Rex]# cat Rexfile use Rex -feature => ['1.0'];no strict;user "root";private_key "/root/.ssh/id_rsa"; ##私钥public_key "/root/.ssh/id_rsa.pub"; ##公钥key_auth;group myservers => "192.168.137.3"; task "mytask", group=>"myservers", sub { my $output=run "df"; say $output; }; task "read_passwd", group=> "myservers", sub { my $fh = file_read "/etc/passwd"; for my $line ($fh->read_all) { print $line; } $fh->close; }; task "read_passwd2", "myservers", sub { say cat "/etc/passwd"; };[root@node01 Rex]# rex read_passwd | grep nginx[2017-04-30 07:37:24] INFO - Running task read_passwd on 192.168.137.3[2017-04-30 07:37:35] INFO - All tasks successful on all hostsroot:x:0:0:root:/root:/bin/bashbin:x:1:1:bin:/bin:/sbin/nologindaemon:x:2:2:daemon:/sbin:/sbin/nologinadm:x:3:4:adm:/var/adm:/sbin/nologinlp:x:4:7:lp:/var/spool/lpd:/sbin/nologinsync:x:5:0:sync:/sbin:/bin/syncshutdown:x:6:0:shutdown:/sbin:/sbin/shutdownhalt:x:7:0:halt:/sbin:/sbin/haltmail:x:8:12:mail:/var/spool/mail:/sbin/nologinuucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologinoperator:x:11:0:operator:/root:/sbin/nologingames:x:12:100:games:/usr/games:/sbin/nologingopher:x:13:30:gopher:/var/gopher:/sbin/nologinftp:x:14:50:FTP User:/var/ftp:/sbin/nologinnobody:x:99:99:Nobody:/:/sbin/nologindbus:x:81:81:System message bus:/:/sbin/nologinvcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologinrpc:x:32:32:Rpcbind Daemon:/var/cache/rpcbind:/sbin/nologinabrt:x:173:173::/etc/abrt:/sbin/nologinrpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologinnfsnobody:x:65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologinhaldaemon:x:68:68:HAL daemon:/:/sbin/nologinntp:x:38:38::/etc/ntp:/sbin/nologinsaslauth:x:499:76:"Saslauthd user":/var/empty/saslauth:/sbin/nologinpostfix:x:89:89::/var/spool/postfix:/sbin/nologinsshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologintcpdump:x:72:72::/:/sbin/nologinoprofile:x:16:16:Special user account to be used by OProfile:/home/oprofile:/sbin/nologinmqm:x:500:500::/home/mqm:/bin/bashmysql:x:501:501::/home/mysql:/sbin/nologinapache:x:48:48:Apache:/var/www:/sbin/nologinzabbix:x:201:201::/home/zabbix:/bin/bashnginx:x:502:502::/home/nginx:/bin/bash[root@node01 Rex]# 导出的方法:template($file, @params)解析模板并返回内容:file name 指定是提供给"path_map" 处理作为记录再file()函数来提供一个屋里文件名。 task "task1", sub { say template("ntpd.conf"); };[root@node01 Rex]# rex task1[2017-04-30 08:05:58] INFO - Running task task1 on <local>aaaaaaaabbbbbbbbcccccccc1111111112222222233333333我们会打印 ntpd.conf文件的内容 如果存在file($file_name, %options)这个函数是安装文件的后继,请使用这个函数来上传文件到你的服务器task "prepare", group=>"myservers", sub { file "/tmp/Rexfile", source => "Rexfile";};上传文件task "task2", group=>"myservers", sub { file "/tmp/hosts", content => template("hosts"), owner => "mqm", group => "mqm", mode => 700, on_change => sub { say "Something was changed." };};[root@node01 Rex]# rex task2[2017-04-30 13:27:47] INFO - Running task task2 on 192.168.137.3Something was changed.[2017-04-30 13:28:01] INFO - All tasks successful on all hoststask "task2", group=>"myservers", sub { file "/tmp/hosts", content => template("hosts"), owner => "mqm", group => "mqm", mode => 700, on_change => sub { say "Something was changed." };};[root@node01 Rex]# rex task2[2017-04-30 13:27:47] INFO - Running task task2 on 192.168.137.3Something was changed.[2017-04-30 13:28:01] INFO - All tasks successful on all hosts[root@node01 Rex]# [root@node01 Rex]# [root@node01 Rex]# [root@node01 Rex]# rex task2[2017-04-30 13:30:19] INFO - Running task task2 on 192.168.137.3task "task2", group=>"myservers", sub { file "/tmp/hosts", content => template("hosts"), owner => "mqm", group => "mqm", mode => 700, on_change => sub { say "Something was changed." };};[root@node01 Rex]# rex task2[2017-04-30 13:31:23] INFO - Running task task2 on 192.168.137.3Something was changed.[2017-04-30 13:31:37] INFO - All tasks successful on all hosts第一个参数是一个字符串或者一个数组引用,在后面的例子函数被调用用于所有的字符串在数组里。
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