MHA故障更换脚本master_ip_failover结合VIP
发布时间：2022-03-28 13:11:33 所属栏目：MySql教程 来源：互联网
导读：MHA故障切换脚本master_ip_failover结合VIP： #!/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_
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MHA故障切换脚本master_ip_failover结合VIP： #!/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 $app_vip"; exit &main(); sub main { print "nnIN SCRIPT TEST====$ssh_stop_vip==$ssh_start_vip===nn"; 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 { "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=portn"; } （编辑：好传媒网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
