{"id":2663,"date":"2023-06-14T15:29:48","date_gmt":"2023-06-14T07:29:48","guid":{"rendered":"https:\/\/199604.com\/?p=2663"},"modified":"2023-06-14T15:29:48","modified_gmt":"2023-06-14T07:29:48","slug":"rke%e6%90%ad%e5%bb%bak8s-1-20-15%e9%9b%86%e7%be%a4%e4%b9%8b-nginxkeepalivevip%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/199604.com\/2663","title":{"rendered":"RKE\u642d\u5efak8s-1.20.15\u96c6\u7fa4\u4e4b nginx+keepalive+vip\u914d\u7f6e"},"content":{"rendered":"

RKE\u642d\u5efak8s-1.20.15\u96c6\u7fa4\u4e4b nginx+keepalive+vip\u914d\u7f6e<\/h1>\n

nginx\u5b89\u88c5\u548c\u914d\u7f6e\uff0c\u4e3b\u4ece\u670d\u52a1\u90fd\u9700\u8981\u5b89\u88c5<\/h2>\n

\u76f4\u63a5\u4f7f\u7528\u4e86rpm\u5305\u90e8\u7f72\u3002<\/p>\n

nginx\u914d\u7f6e<\/h3>\n

vi \/etc\/nginx\/nginx.conf<\/code> \u65b0\u589e\u5982\u4e0b\u4fe1\u606f\uff1a<\/p>\n

stream {\n    # \u6dfb\u52a0socket\u8f6c\u53d1\u7684\u4ee3\u7406\n    upstream socket_proxy {\n        hash $remote_addr consistent;\n        # \u8f6c\u53d1\u7684\u76ee\u7684\u5730\u5740\u548c\u7aef\u53e3\n        server 192.168.111.150:6443 weight=5 max_fails=3 fail_timeout=30s;\n        server 192.168.111.151:6443 weight=5 max_fails=3 fail_timeout=30s;\n        server 192.168.111.152:6443 weight=5 max_fails=3 fail_timeout=30s;\n    }\n    # \u63d0\u4f9b\u8f6c\u53d1\u7684\u670d\u52a1\uff0c\u5373\u8bbf\u95eelocalhost:1935\uff0c\u4f1a\u8df3\u8f6c\u81f3\u4ee3\u7406socket_proxy\u6307\u5b9a\u7684\u8f6c\u53d1\u5730\u5740\n    server {\n       listen 16443;\n       proxy_connect_timeout 1s;\n       proxy_timeout 3s;\n       proxy_pass socket_proxy;\n    }\n}\n\n<\/code><\/pre>\n
\"image-20230613173028148\"<\/div><\/p>\n
\u542f\u52a8\u3001\u5f00\u673a\u81ea\u542f\u670d\u52a1<\/h3>\n
systemctl start nginx && systemctl enable nginx\n<\/code><\/pre>\n
keepalived\u5b89\u88c5\u548c\u914d\u7f6e<\/h2>\n
\u5b89\u88c5keepalived<\/h4>\n
yum install -y keepalived<\/code><\/p>\n
\u4fee\u6539\u914d\u7f6e\u6587\u4ef6<\/h4>\n
cp \/etc\/keepalived\/keepalived.conf \/etc\/keepalived\/keepalived.conf.bak\nvi \/etc\/keepalived\/keepalived.conf\n<\/code><\/pre>\n
\u4e3b\u670d\u52a1\u7684\u914d\u7f6e\u6587\u4ef6\u4fe1\u606f\uff1a<\/h3>\n
k8s-master01<\/h4>\n
global_defs {\n   # \u8def\u7531id\uff1a\u5f53\u524d\u5b89\u88c5keepalived\u7684\u8282\u70b9\u4e3b\u673a\u6807\u8bc6\u7b26\uff0c\u4fdd\u8bc1\u5168\u5c40\u552f\u4e00\n   router_id k8s-master01\n}\n\nvrrp_script check_web {\n    script \"\/etc\/keepalived\/check_web.sh\"    # \u811a\u672c\u5b58\u653e\u7684\u4f4d\u7f6e\n        interval 5\n    weight -5\n    fall 2\n    rise 1\n}\n\nvrrp_instance VI_1 {\n    # \u4e3b\u673a=MASTER;\u5907\u7528\u673a=BACKUP\n    state MASTER\n    # \u8be5\u5b9e\u4f8b\u7ed1\u5b9a\u7684\u7f51\u5361\u540d\u79f0\n    interface ens192\n    #  \u96c6\u7fa4\u53f7 \u4fdd\u8bc1\u4e3b\u5907\u8282\u70b9\u4e00\u81f4\n    virtual_router_id 51\n    # \u6743\u91cd\uff0cmaster\u503c > backup\u503c\n    priority 100\n    # \u4e3b\u5907\u7ec4\u64ad\u62a5\u53d1\u9001\u95f4\u9694\u65f6\u95f42\u79d2\n    advert_int 2\n\n    # \u62a2\u5360\u6a21\u5f0f\uff0c\uff08nopreempt\u975e\u62a2\u5360\u6a21\u5f0f\uff09\uff0c\u914d\u7f6e\u4e3a\u62a2\u5360\u6a21\u5f0f\u65f6\uff0c\u5f53\u8282\u70b9\u6743\u91cd\u964d\u4f4e\u65f6\uff0c\u53e6\u5916\u4e00\u4e2a\u9ad8\u6743\u91cd\u8282\u70b9\u4f1a\u62a2\u5360\u670d\u52a1\uff0c\u53d1\u751f\u5207\u6362\uff1b\n    # \u5982\u679c\u4e3a\u975e\u62a2\u5360\u6a21\u5f0f\uff0c\u4e0a\u9762\u914d\u7f6e\u7684\u68c0\u67e5\u811a\u672c\u5728\u68c0\u67e5\u5230\u670d\u52a1\u5931\u8d25\u540e\uff0c\u964d\u4f4e\u6743\u91cd\uff0c\u4f46\u662f\u4e0d\u4f1a\u53d1\u751f\u5207\u6362\u3002\n    nopreempt\n\n    # \u8ba4\u8bc1\u6743\u9650\u5bc6\u7801\uff0c\u9632\u6b62\u975e\u6cd5\u8282\u70b9\u8fdb\u5165\n    authentication {\n        auth_type PASS\n        auth_pass K8SHA_AUTH_PASS\n    }\n    # \u865a\u62df\u51fa\u6765\u7684ip\uff0c\u53ef\u4ee5\u6709\u591a\u4e2a\uff08vip\uff09\n    virtual_ipaddress {\n        192.168.111.155\n    }\n    # \u8c03\u7528\u76d1\u63a7\u811a\u672c\n    track_script {\n        check_web\n    }\n}\n<\/code><\/pre>\n
\u4ece\u670d\u52a1\u7684\u914d\u7f6e\u6587\u4ef6\u4fe1\u606f\uff1a<\/h3>\n
k8s-master02\uff1a<\/h4>\n
global_defs {\n   # \u8def\u7531id\uff1a\u5f53\u524d\u5b89\u88c5keepalived\u7684\u8282\u70b9\u4e3b\u673a\u6807\u8bc6\u7b26\uff0c\u4fdd\u8bc1\u5168\u5c40\u552f\u4e00\n   router_id k8s-master02\n}\n\nvrrp_script check_web {\n    script \"\/etc\/keepalived\/check_web.sh\"    # \u811a\u672c\u5b58\u653e\u7684\u4f4d\u7f6e\n        interval 5\n    weight -5\n    fall 2\n    rise 1\n}\n\nvrrp_instance VI_1 {\n    # \u4e3b\u673a=MASTER;\u5907\u7528\u673a=BACKUP\n    state BACKUP\n        # \u8be5\u5b9e\u4f8b\u7ed1\u5b9a\u7684\u7f51\u5361\u540d\u79f0\n    interface ens192\n        #  \u96c6\u7fa4\u53f7 \u4fdd\u8bc1\u4e3b\u5907\u8282\u70b9\u4e00\u81f4\n    virtual_router_id 51\n        # \u6743\u91cd\uff0cmaster\u503c > backup\u503c\n    priority 100\n        # \u4e3b\u5907\u7ec4\u64ad\u62a5\u53d1\u9001\u95f4\u9694\u65f6\u95f42\u79d2\n    advert_int 2\n\n        # \u62a2\u5360\u6a21\u5f0f\uff0c\uff08nopreempt\u975e\u62a2\u5360\u6a21\u5f0f\uff09\uff0c\u914d\u7f6e\u4e3a\u62a2\u5360\u6a21\u5f0f\u65f6\uff0c\u5f53\u8282\u70b9\u6743\u91cd\u964d\u4f4e\u65f6\uff0c\u53e6\u5916\u4e00\u4e2a\u9ad8\u6743\u91cd\u8282\u70b9\u4f1a\u62a2\u5360\u670d\u52a1\uff0c\u53d1\u751f\u5207\u6362\uff1b\n    # \u5982\u679c\u4e3a\u975e\u62a2\u5360\u6a21\u5f0f\uff0c\u4e0a\u9762\u914d\u7f6e\u7684\u68c0\u67e5\u811a\u672c\u5728\u68c0\u67e5\u5230\u670d\u52a1\u5931\u8d25\u540e\uff0c\u964d\u4f4e\u6743\u91cd\uff0c\u4f46\u662f\u4e0d\u4f1a\u53d1\u751f\u5207\u6362\u3002\n    nopreempt\n\n        # \u8ba4\u8bc1\u6743\u9650\u5bc6\u7801\uff0c\u9632\u6b62\u975e\u6cd5\u8282\u70b9\u8fdb\u5165\n    authentication {\n        auth_type PASS\n        auth_pass K8SHA_AUTH_PASS\n    }\n    # \u865a\u62df\u51fa\u6765\u7684ip\uff0c\u53ef\u4ee5\u6709\u591a\u4e2a\uff08vip\uff09\n    virtual_ipaddress {\n        192.168.111.155\n    }\n    # \u8c03\u7528\u76d1\u63a7\u811a\u672c\n    track_script {\n        check_web\n    }\n}\n<\/code><\/pre>\n
k8s-master03\uff1a<\/h4>\n
global_defs {\n   # \u8def\u7531id\uff1a\u5f53\u524d\u5b89\u88c5keepalived\u7684\u8282\u70b9\u4e3b\u673a\u6807\u8bc6\u7b26\uff0c\u4fdd\u8bc1\u5168\u5c40\u552f\u4e00\n   router_id k8s-master03\n}\n\nvrrp_script check_web {\n    script \"\/etc\/keepalived\/check_web.sh\"    # \u811a\u672c\u5b58\u653e\u7684\u4f4d\u7f6e\n        interval 5\n    weight -5\n    fall 2\n    rise 1\n}\n\nvrrp_instance VI_1 {\n    # \u4e3b\u673a=MASTER;\u5907\u7528\u673a=BACKUP\n    state BACKUP\n        # \u8be5\u5b9e\u4f8b\u7ed1\u5b9a\u7684\u7f51\u5361\u540d\u79f0\n    interface ens192\n        #  \u96c6\u7fa4\u53f7 \u4fdd\u8bc1\u4e3b\u5907\u8282\u70b9\u4e00\u81f4\n    virtual_router_id 51\n        # \u6743\u91cd\uff0cmaster\u503c > backup\u503c\n    priority 100\n        # \u4e3b\u5907\u7ec4\u64ad\u62a5\u53d1\u9001\u95f4\u9694\u65f6\u95f42\u79d2\n    advert_int 2\n\n        # \u62a2\u5360\u6a21\u5f0f\uff0c\uff08nopreempt\u975e\u62a2\u5360\u6a21\u5f0f\uff09\uff0c\u914d\u7f6e\u4e3a\u62a2\u5360\u6a21\u5f0f\u65f6\uff0c\u5f53\u8282\u70b9\u6743\u91cd\u964d\u4f4e\u65f6\uff0c\u53e6\u5916\u4e00\u4e2a\u9ad8\u6743\u91cd\u8282\u70b9\u4f1a\u62a2\u5360\u670d\u52a1\uff0c\u53d1\u751f\u5207\u6362\uff1b\n    # \u5982\u679c\u4e3a\u975e\u62a2\u5360\u6a21\u5f0f\uff0c\u4e0a\u9762\u914d\u7f6e\u7684\u68c0\u67e5\u811a\u672c\u5728\u68c0\u67e5\u5230\u670d\u52a1\u5931\u8d25\u540e\uff0c\u964d\u4f4e\u6743\u91cd\uff0c\u4f46\u662f\u4e0d\u4f1a\u53d1\u751f\u5207\u6362\u3002\n    nopreempt\n\n        # \u8ba4\u8bc1\u6743\u9650\u5bc6\u7801\uff0c\u9632\u6b62\u975e\u6cd5\u8282\u70b9\u8fdb\u5165\n    authentication {\n        auth_type PASS\n        auth_pass K8SHA_AUTH_PASS\n    }\n    # \u865a\u62df\u51fa\u6765\u7684ip\uff0c\u53ef\u4ee5\u6709\u591a\u4e2a\uff08vip\uff09\n    virtual_ipaddress {\n        192.168.111.155\n    }\n    # \u8c03\u7528\u76d1\u63a7\u811a\u672c\n    track_script {\n        check_web\n    }\n}\n<\/code><\/pre>\n
\u7f16\u5199nginx\u76d1\u63a7\u811a\u672c<\/h4>\n
\u5982\u679cnginx\u670d\u52a1\u505c\u6b62\uff0ckeepalived\u670d\u52a1\u4e5f\u505c\u6b62\uff0c\u5e76\u5207\u6362\u5230\u5907\u4e3b\u673a<\/p>\n
\u811a\u672c\u5982\u4e0b\uff1avi \/etc\/keepalived\/check_web.sh<\/code><\/p>\n
#!\/bin\/bash\n\nnum=`ps -C nginx --no-header |wc -l`\nif [ $num -eq 0 ]\nthen\n    systemctl restart nginx\n    sleep 10\n\n    num=`ps -C nginx --no-header |wc -l`\n    if [ $num -eq 0 ]\n    then\n        systemctl stop keepalived\n    fi\n\nfi\n<\/code><\/pre>\n
\u542f\u52a8\u3001\u5f00\u673a\u81ea\u542fkeepalived\u670d\u52a1<\/h3>\n
systemctl start keepalived\nsystemctl enable keepalived\n<\/code><\/pre>\n
\u67e5\u770bkeepalived\u670d\u52a1\u72b6\u6001\uff1b\u67e5\u770b\u865a\u62dfIP\u751f\u6548\u60c5\u51b5<\/h2>\n
[root@k8s-master03 nginx]# ps -ef|grep keepalived\nroot      6284     1  0 17:13 ?        00:00:00 \/usr\/sbin\/keepalived -D\nroot      6285  6284  0 17:13 ?        00:00:00 \/usr\/sbin\/keepalived -D\nroot      6286  6284  0 17:13 ?        00:00:00 \/usr\/sbin\/keepalived -D\nroot     27508 14143  0 17:34 pts\/0    00:00:00 grep --color=auto keepalived\n\n\n\n[root@k8s-master03 nginx]# ip a | grep 155\n    inet 192.168.111.155\/32 scope global ens192\n[root@k8s-master03 nginx]# ip a | grep 155 -C 10\n    inet6 ::1\/128 scope host\n       valid_lft forever preferred_lft forever\n2: tunl0@NONE: <NOARP,UP,LOWER_UP> mtu 1440 qdisc noqueue state UNKNOWN group default qlen 1000\n    link\/ipip 0.0.0.0 brd 0.0.0.0\n    inet 10.42.195.0\/32 scope global tunl0\n       valid_lft forever preferred_lft forever\n3: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000\n    link\/ether 00:0c:29:8d:20:f1 brd ff:ff:ff:ff:ff:ff\n    inet 192.168.111.152\/24 brd 192.168.111.255 scope global noprefixroute ens192\n       valid_lft forever preferred_lft forever\n    inet 192.168.111.155\/32 scope global ens192\n       valid_lft forever preferred_lft forever\n    inet6 fe80::d2e5:502d:a1fe:cae3\/64 scope link noprefixroute\n       valid_lft forever preferred_lft forever\n4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000\n    link\/ether 52:54:00:e6:8d:b4 brd ff:ff:ff:ff:ff:ff\n    inet 192.168.122.1\/24 brd 192.168.122.255 scope global virbr0\n       valid_lft forever preferred_lft forever\n5: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN group default qlen 1000\n    link\/ether 52:54:00:e6:8d:b4 brd ff:ff:ff:ff:ff:ff\n6: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default\n[root@k8s-master03 nginx]#\n[root@k8s-master03 nginx]#\n[root@k8s-master03 nginx]# hostname -I\n10.42.195.0 192.168.111.152 192.168.111.155 192.168.122.1 172.17.0.1\n\n\n\n<\/code><\/pre>\n
\u8111\u88c2\u9884\u9632<\/h2>\n
check_gateway.sh<\/code>\u811a\u672c\u5982\u4e0b\uff1a<\/p>\n
#!\/bin\/bash\nexport PATH=$PATH:\/usr\/sbin\n#\u8111\u88c2\u68c0\u67e5\u53ca\u63a7\u5236\uff1a\u7b2c\u4e09\u65b9\u4ef2\u88c1\u673a\u5236\uff0c\u4f7f\u7528ping\u7f51\u5173ip\u65b9\u5f0f\n#\u5faa\u73af\u6b21\u6570\nCHECK_TIME=3\n#\u865a\u62dfip\nVIP=$1\n#\u7f51\u5173ip(\u6839\u636e\u5b9e\u9645\u73af\u5883\u4fee\u6539)\nGATEWAY=192.168.111.254\n#\u672c\u673a\u7f51\u5361\neth=ens192\n#\u670d\u52a1\u5668\u548c\u7f51\u5173\u901a\u4fe1\u72b6\u6001  0=\u5931\u8d25\uff0c1=\u6210\u529f\nkeepalived_communication_status=1\n#\u662f\u5426\u83b7\u53d6vip\u72b6\u6001 0=\u5931\u8d25\uff0c1=\u6210\u529f\nget_vip_status=1\n#keepalived\u670d\u52a1\u72b6\u6001 0=\u672a\u8fd0\u884c\uff0c1=\u8fd0\u884c\u4e2d\nkeepalived_service_status=1\n#\u670d\u52a1\u72b6\u6001\u8fd0\u884c\u4e2d\u5b57\u7b26\u4e32\nactive_status_str='active (running)'\necho \"\u5f00\u59cb\u6267\u884c\u811a\u672c check_gateway.sh $VIP\uff1b\u65f6\u95f4:\"\ndate\n#\u67e5\u770b\u662f\u5426\u83b7\u53d6vip\u72b6\u6001\nfunction check_get_vip_status() {\n  #\u901a\u8fc7ip add\u547d\u4ee4\u67e5\u770bip\u4fe1\u606f\uff0c\u641c\u7d22$VIP\uff0c\u7edf\u8ba1\u884c\u6570\uff0c\u662f\u5426\u7b49\u4e8e1\n  if [ $(ip add | grep \"$VIP\" | wc -l) -eq 1 ]; then\n    get_vip_status=1\n  else\n    get_vip_status=0\n  fi\n  return $get_vip_status\n}\n\n#\u68c0\u67e5\u901a\u4fe1\u72b6\u6001\nfunction check_keepalived_status() {\n  #\u68c0\u6d4b$VIP \u80fd\u5426ping\u901a$GATEWAY\uff1a\u4f7f\u7528$eth\u7f51\u7edc\u8bbe\u5907\uff08-I $eth\uff09\uff0c\u53d1\u9001\u6570\u636e\u53055\uff08-c 5\uff09\uff0c\u6e90\u5730\u5740$VIP\u8be2\u95ee\u76ee\u7684\u5730[vip] $GATEWAY [\u7f51\u5173\u5730\u5740 \u516c\u7528\u53c2\u8003ip]\uff08-s $VIP $GATEWAY\uff09 \u65e5\u5fd7\u4e0d\u4fdd\u5b58 >\/dev\/null 2>&1\n  \/sbin\/arping -I $eth -c 5 -s $VIP $GATEWAY >\/dev\/null 2>&1\n  #\u5224\u65ad\u4e0a\u4e00\u6b65\u6267\u884c\u7ed3\u679c \u7b49\u4e8e0\u6210\u529f\n  if [ $? = 0 ]; then\n    keepalived_communication_status=1\n  else\n    keepalived_communication_status=0\n  fi\n  return $keepalived_communication_status\n}\n\n#\u68c0\u67e5keepalived\u670d\u52a1\u72b6\u6001\nfunction check_keepalived_service_status() {\n  #\u901a\u8fc7systemctl status keepalived.service\u547d\u4ee4\u67e5\u770bkeepalived\u670d\u52a1\u72b6\u6001\uff0c\u641c\u7d22$active_status_str\uff0c\u7edf\u8ba1\u884c\u6570\uff0c\u662f\u5426\u7b49\u4e8e1\n  if [ $(systemctl status keepalived.service | grep \"$active_status_str\" | wc -l) -eq 1 ]; then\n    keepalived_service_status=1\n  else\n    keepalived_service_status=0\n  fi\n  return $keepalived_service_status\n}\n\n#\u5faa\u73af\u6267\u884c\n#\u5224\u65ad$CHECK_TIME \u4e0d\u7b49\u4e8e 0\nwhile [ $CHECK_TIME -ne 0 ]; do\n  #\u6267\u884ccheck_get_vip_status\u83b7\u53d6get_vip_status\n  check_get_vip_status\n  #\u672a\u83b7\u53d6vip\n  if [ $get_vip_status = 0 ]; then\n    #\u4fee\u6539CHECK_TIME\u503c \u7ed3\u675f\u5faa\u73af\n    CHECK_TIME=0\n    #\u68c0\u67e5\u670d\u52a1\u72b6\u6001 \u6267\u884ccheck_keepalived_service_status\u83b7\u53d6keepalived_service_status\n    if [ $keepalived_service_status = 0 ]; then\n      echo \"\u6267\u884c\u811a\u672c check_gateway.sh $VIP\uff1b\u542f\u52a8keepalived\u670d\u52a1\"\n      systemctl start keepalived.service\n    fi\n\n    echo \"\u6267\u884c\u811a\u672c check_gateway.sh $VIP\uff1b\u6267\u884c\u7ed3\u679c\uff1a\u672a\u83b7\u53d6vip\uff0c\u65e0\u9700\u5904\u7406\uff0c\u811a\u672c\u6267\u884c\u7ed3\u675f\uff0c\u65f6\u95f4:\"\n    date\n    #\u6b63\u5e38\u8fd0\u884c\u7a0b\u5e8f\u5e76\u9000\u51fa\u7a0b\u5e8f\n    exit 0\n  fi\n  #$CHECK_TIME  = $CHECK_TIME-1\n  let \"CHECK_TIME -= 1\"\n  #\u6267\u884ccheck_keepalived_status\u83b7\u53d6keepalived_communication_status\n  check_keepalived_status\n  #\u5224\u65ad $keepalived_communication_status = 1 \u901a\u4fe1\u6210\u529f\n  if [ $keepalived_communication_status = 1 ]; then\n    #\u4fee\u6539CHECK_TIME\u503c \u7ed3\u675f\u5faa\u73af\n    CHECK_TIME=0\n    #\u68c0\u67e5\u670d\u52a1\u72b6\u6001 \u6267\u884ccheck_keepalived_service_status\u83b7\u53d6keepalived_service_status\n    check_keepalived_service_status\n    if [ $keepalived_service_status = 0 ]; then\n      echo \"\u6267\u884c\u811a\u672c check_gateway.sh $VIP\uff1b\u542f\u52a8keepalived\u670d\u52a1\"\n      systemctl start keepalived.service\n    fi\n\n    echo \"\u6267\u884c\u811a\u672c check_gateway.sh $VIP\uff1bGATEWAY=$GATEWAY\uff0c\u6267\u884c\u7ed3\u679c\uff1a\u901a\u4fe1\u6b63\u5e38\uff0c\u65e0\u9700\u5904\u7406\uff0c\u811a\u672c\u6267\u884c\u7ed3\u675f\uff0c\u65f6\u95f4:\"\n    date\n    #\u6b63\u5e38\u8fd0\u884c\u7a0b\u5e8f\u5e76\u9000\u51fa\u7a0b\u5e8f\n    exit 0\n  fi\n  #\u901a\u4fe1\u5931\u8d25&&\u8fde\u7eed3\u6b21\n  if [ $keepalived_communication_status -eq 0 ] && [ $CHECK_TIME -eq 0 ]; then\n    #\u5173\u95edkeepalived\n    echo \"\u6267\u884c\u811a\u672c check_gateway.sh $VIP\uff1b\u5173\u95edkeepalived\u670d\u52a1\"\n    systemctl stop keepalived.service\n    echo \"\u6267\u884c\u811a\u672c check_gateway.sh $VIP\uff1bGATEWAY=$GATEWAY\uff0c\u6267\u884c\u7ed3\u679c\uff1a\u901a\u4fe1\u5931\u8d25&&\u8fde\u7eed3\u6b21 \u5173\u95edkeepalived\uff0c\u811a\u672c\u6267\u884c\u7ed3\u675f\uff0c\u65f6\u95f4:\"\n    date\n    #\u975e\u6b63\u5e38\u8fd0\u884c\u7a0b\u5e8f\u5e76\u9000\u51fa\u7a0b\u5e8f\n    exit 1\n  fi\n  sleep 3\ndone\n<\/code><\/pre>\n
\u6d4b\u8bd5<\/h3>\n
sh \/etc\/keepalived\/check_gateway.sh 192.168.111.155<\/code><\/p>\n
Linux\u5b9a\u65f6\u4efb\u52a1<\/h3>\n
crontab -e<\/p>\n
#1\u52061\u6b21 \u5ef6\u8fdf10\u79d2\u5b9e\u73b0(\u65f6\u95f4\u81ea\u5b9a\u4e49) keepalived\u670d\u52a1\u8111\u88c2\u811a\u672c\n* * * * * sleep 10; bash \/etc\/keepalived\/check_gateway.sh 192.168.111.155\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
RKE\u642d\u5efak8s-1.20.15\u96c6\u7fa4\u4e4b nginx+keepalive+vip\u914d\u7f6e nginx\u5b89\u88c5\u548c\u914d\u7f6e\uff0c\u4e3b\u4ece […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[353,260],"tags":[352,418],"class_list":["post-2663","post","type-post","status-publish","format-standard","hentry","category-kubernetes","category-linux","tag-k8s","tag-rke"],"_links":{"self":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2663","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/comments?post=2663"}],"version-history":[{"count":1,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2663\/revisions"}],"predecessor-version":[{"id":2664,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2663\/revisions\/2664"}],"wp:attachment":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/media?parent=2663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/categories?post=2663"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/tags?post=2663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}