MHA故障切換腳本master_ip_failover結合VIP:
創(chuàng)新互聯(lián)的客戶來自各行各業(yè),為了共同目標,我們在工作上密切配合,從創(chuàng)業(yè)型小企業(yè)到企事業(yè)單位,感謝他們對我們的要求,感謝他們從不同領域給我們帶來的挑戰(zhàn),讓我們激情的團隊有機會用頭腦與智慧不斷的給客戶帶來驚喜。專業(yè)領域包括網(wǎng)站制作、成都做網(wǎng)站、電商網(wǎng)站開發(fā)、微信營銷、系統(tǒng)平臺開發(fā)。
#!/usr/bin/env perl use strict; use warnings FATAL => 'all'; use Getopt::Long; my ( $command, $ssh_user, $orig_master_host, $orig_master_ip, $orig_master_port, $new_master_host, $new_master_ip, $new_master_port, $new_master_user, $new_master_password, $app_vip, $netmask, $interface, ); GetOptions( 'command=s' => \$command, 'ssh_user=s' => \$ssh_user, 'orig_master_host=s' => \$orig_master_host, 'orig_master_ip=s' => \$orig_master_ip, 'orig_master_port=i' => \$orig_master_port, 'new_master_host=s' => \$new_master_host, 'new_master_ip=s' => \$new_master_ip, 'new_master_port=i' => \$new_master_port, 'new_master_user=s' => \$new_master_user, 'new_master_password=s' => \$new_master_password, 'app_vip=s' => \$app_vip, 'netmask=i' => \$netmask, 'interface=s' => \$interface, ); my $ssh_start_vip = "sudo ip addr add $app_vip dev $interface"; my $ssh_stop_vip = "sudo ip addr delete $app_vip dev $interface"; my $ssh_flush_arp = "sudo arping -c 4 -A -I $interface $app_vip"; exit &main(); sub main { print "\n\nIN SCRIPT TEST====$ssh_stop_vip==$ssh_start_vip===\n\n"; if ( $command eq "stop" || $command eq "stopssh" ) { my $exit_code = 1; eval { print "Disabling the app_vip on old master: $orig_master_host \n"; &stop_vip(); $exit_code = 0; }; if ($@) { warn "Got Error: $@\n"; exit $exit_code; } exit $exit_code; } elsif ( $command eq "start" ) { my $exit_code = 10; eval { print "Enabling the app_vip on the new master - $new_master_host \n"; &start_vip(); $exit_code = 0; }; if ($@) { warn $@; exit $exit_code; } exit $exit_code; } elsif ( $command eq "status" ) { print "Checking the Status of the script.. OK \n"; #`ssh $ssh_user\@cluster1 \" $ssh_start_vip \"`; exit 0; } else { &usage(); exit 1; } } # A simple system call that enable the app_vip on the new master sub start_vip() { `ssh $ssh_user\@$new_master_host \" $ssh_start_vip \"`; `ssh $ssh_user\@$new_master_host \" $ssh_flush_arp \"`; } # A simple system call that disable the app_vip on the old_master sub stop_vip() { return 0 unless ($ssh_user); `ssh $ssh_user\@$orig_master_host \" $ssh_stop_vip \"`; } sub usage { print "Usage: master_ip_failover --command=start|stop|stopssh|status --orig_master_host=host --orig_master_ip=ip --orig_master_port=port --new_master_host=host --new_master_ip=ip --new_master_port=port\n"; }
標題名稱:MHA故障切換腳本master_ip_failover結合VIP
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