mirror of https://github.com/midoks/mdserver-web
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! Configuration File for keepalived |
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global_defs { |
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notification_email { |
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root@localroot |
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} |
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notification_email_from keepalived@localhost |
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smtp_server 127.0.0.1 |
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smtp_connect_timeout 30 |
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router_id LVS_DEVEL |
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vrrp_skip_check_adv_addr |
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vrrp_strict |
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vrrp_garp_interval 0 |
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vrrp_gna_interval 0 |
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} |
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#检测mysql服务是否在运行。有很多方式,比如进程,用脚本检测等等 |
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vrrp_script chk_mysql_port { |
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#这里通过脚本监测 |
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script "{$PLUGIN_PATH}/scripts/chk_mysql.sh" |
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#脚本执行间隔,每2s检测一次 |
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interval 2 |
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#脚本结果导致的优先级变更,检测失败(脚本返回非0)则优先级 -5 |
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weight –5 |
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#检测连续2次失败才算确定是真失败。会用weight减少优先级(1-255之间) |
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fall 2 |
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#检测1次成功就算成功。但不修改优先级 |
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rise 1 |
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} |
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vrrp_instance VI_1 { |
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#这里所有节点都定义为BACKUP |
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state BACKUP |
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#指定虚拟ip的网卡接口 |
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interface ens34 |
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#本地IP |
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mcast_src_ip 192.168.10.16 |
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#路由器标识,MASTER和BACKUP必须是一致的 |
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virtual_router_id 51 |
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#定义优先级,数字越大,优先级越高,在同一个vrrp_instance下,MASTER的优先级必须大于BACKUP的优先级。 |
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priority 99 |
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advert_int 1 |
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#不抢占模式,在优先级高的机器上设置即可,优先级低的机器可不设置 |
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nopreempt |
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authentication { |
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auth_type PASS |
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auth_pass 1111 |
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} |
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virtual_ipaddress { |
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#虚拟IP |
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192.168.10.10 |
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} |
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track_script { |
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chk_mysql_port |
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} |
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} |
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