{"id":130,"date":"2026-01-22T08:46:27","date_gmt":"2026-01-22T08:46:27","guid":{"rendered":"https:\/\/blog.gpst.net.cn:4008\/?p=130"},"modified":"2026-01-28T06:24:16","modified_gmt":"2026-01-28T06:24:16","slug":"keepalived-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6%e5%92%8c%e9%85%8d%e5%a5%97%e7%9a%84-checkping-sh-%e6%a3%80%e6%b5%8b%e8%84%9a%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/opshub.com.cn\/?p=130","title":{"rendered":"Keepalived \u914d\u7f6e\u6587\u4ef6\u548c\u914d\u5957\u7684 checkping.sh \u68c0\u6d4b\u811a\u672c"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Keepalived \u914d\u7f6e\u6587\u4ef6\u6838\u5fc3\u903b\u8f91<\/h4>\n\n\n\n<p>\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u4e3b\u8981\u5b9e\u73b0\u4e86\u4ee5\u4e0b\u529f\u80fd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u4e49\u5168\u5c40\u901a\u77e5\u3001SMTP \u7b49\u57fa\u7840\u53c2\u6570<\/li>\n\n\n\n<li>\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>checkping<\/code> \u7684\u68c0\u6d4b\u811a\u672c\uff0c\u6bcf 10 \u79d2\u6267\u884c\u4e00\u6b21<\/li>\n\n\n\n<li>\u914d\u7f6e\u4e00\u4e2a VRRP \u5b9e\u4f8b VI_1\uff0c\u4f7f\u7528 bond0 \u7f51\u5361\uff0c\u865a\u62df IP \u4e3a 172.16.30.52\uff0c\u4f18\u5148\u7ea7 200\uff0c\u5f00\u542f\u975e\u62a2\u5360\u6a21\u5f0f<\/li>\n\n\n\n<li>\u7ed1\u5b9a\u68c0\u6d4b\u811a\u672c\uff0c\u811a\u672c\u68c0\u6d4b\u5931\u8d25\u65f6\u4f1a\u5c06\u8282\u70b9\u4f18\u5148\u7ea7\u964d\u4f4e 20<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>global_defs {\nnotification_email {\nacassen@firewall.loc\nfailover@firewall.loc\nsysadmin@firewall.loc\n}\nnotification_email_from Alexandre.Cassen@firewall.loc\nsmtp_server 192.168.200.1\nsmtp_connect_timeout 30\nrouter_id LVS_DEVEL\n}\nvrrp_script checkping\n{\n    script \"\/app\/shell\/vrrp_strict_shell\/checkping.sh\"\n    interval 10\n    weight -20\n}\nvrrp_instance VI_1 {\nstate BACKUP\ninterface bond0\nvirtual_router_id 123\npriority 200\nadvert_int 1\nnopreempt\nauthentication {\nauth_type PASS\nauth_pass 5588111a\n}\nvirtual_ipaddress {\n172.16.30.52\n}\ntrack_script\n{\ncheckping\n}\n}<\/code><\/pre>\n\n\n\n<p>\u5c06 Keepalived \u914d\u7f6e\u6587\u4ef6\u4fdd\u5b58\u5230 <code>\/etc\/keepalived\/keepalived.conf<\/code>\uff0c\u4fee\u6539\u4ee5\u4e0b\u53c2\u6570\u9002\u914d\u4f60\u7684\u73af\u5883\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>smtp_server<\/code>\uff1a\u66ff\u6362\u4e3a\u4f60\u7684 SMTP \u670d\u52a1\u5668\u5730\u5740<\/li>\n\n\n\n<li><code>interface bond0<\/code>\uff1a\u786e\u8ba4\u7f51\u5361\u540d\u79f0\u6b63\u786e\uff08\u53ef\u901a\u8fc7 <code>ip addr<\/code> \u67e5\u770b\uff09<\/li>\n\n\n\n<li><code>virtual_router_id 123<\/code>\uff1a\u786e\u4fdd\u540c\u4e00 VRRP \u7ec4\u5185\u7684\u8282\u70b9\u8be5\u503c\u76f8\u540c<\/li>\n\n\n\n<li><code>priority 200<\/code>\uff1a\u4e3b\u8282\u70b9\u4f18\u5148\u7ea7\u9ad8\u4e8e\u5907\u8282\u70b9\uff08\u5982\u5907\u8282\u70b9\u8bbe\u4e3a 190\uff09<\/li>\n<\/ul>\n\n\n\n<p>checkping.sh\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash\n# \u68c0\u6d4b\u76ee\u6807IP 172.16.30.24 \u662f\u5426\u53ef\u8fbe\n# \u6210\u529f\u8fd4\u56de 0\uff08\u4e0d\u8c03\u6574\u4f18\u5148\u7ea7\uff09\uff0c\u5931\u8d25\u8fd4\u56de 1\uff08\u89e6\u53d1\u4f18\u5148\u7ea7\u964d\u4f4e\uff09\nactivestat=$(\/usr\/bin\/nmap -n -sn --max-retries 3 172.16.30.24 2&gt;\/dev\/null | egrep -c \"Host is up.*latency\")\n\n# \u5bb9\u9519\u5904\u7406\uff1a\u5982\u679c\u53d8\u91cf\u4e3a\u7a7a\uff0c\u9ed8\u8ba4\u89c6\u4e3a\u68c0\u6d4b\u5931\u8d25\nif &#091;&#091; \"${activestat:-0}\" -gt 0 ]]; then\n  # \u68c0\u6d4b\u6210\u529f\uff0c\u8fd4\u56de 0\n  exit 0\nelse\n  # \u68c0\u6d4b\u5931\u8d25\uff0c\u8fd4\u56de 1\uff08\u89e6\u53d1 weight -20 \u7684\u4f18\u5148\u7ea7\u8c03\u6574\uff09\n  exit 1\nfi<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Keepalived \u914d\u7f6e\u6587\u4ef6\u6838\u5fc3\u903b\u8f91 \u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u4e3b\u8981\u5b9e\u73b0\u4e86\u4ee5\u4e0b\u529f\u80fd\uff1a \u5c06 Keepalived \u914d\u7f6e\u6587\u4ef6\u4fdd\u5b58\u5230 \/etc\/keepalived\/keepalived.conf\uff0c\u4fee\u6539\u4ee5\u4e0b\u53c2\u6570\u9002\u914d\u4f60\u7684\u73af\u5883\uff1a checkping.sh\uff1a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-130","post","type-post","status-publish","format-standard","hentry","category-9"],"_links":{"self":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=130"}],"version-history":[{"count":3,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/130\/revisions"}],"predecessor-version":[{"id":670,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/130\/revisions\/670"}],"wp:attachment":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}