{"id":36165,"date":"2023-02-21T04:57:51","date_gmt":"2023-09-26T19:04:25","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-crash-recovery-and-diagnostics-for-kubernetes%ef%bc%8c%e6%94%b6%e9%9b%86-kubernetes-%e9%9b%86%e7%be%a4%e7%9a%84%e6%97%a5%e5%bf%97%e5%8c%85%e3%80%82\/"},"modified":"2024-01-15T08:46:54","modified_gmt":"2024-01-15T00:46:54","slug":"%e4%bd%bf%e7%94%a8-crash-recovery-and-diagnostics-for-kubernetes%ef%bc%8c%e6%94%b6%e9%9b%86-kubernetes-%e9%9b%86%e7%be%a4%e7%9a%84%e6%97%a5%e5%bf%97%e5%8c%85%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-crash-recovery-and-diagnostics-for-kubernetes%ef%bc%8c%e6%94%b6%e9%9b%86-kubernetes-%e9%9b%86%e7%be%a4%e7%9a%84%e6%97%a5%e5%bf%97%e5%8c%85%e3%80%82\/","title":{"rendered":"\u4f7f\u7528 Crash Recovery and Diagnostics for Kubernetes\uff0c\u6536\u96c6 Kubernetes \u96c6\u7fa4\u7684\u65e5\u5fd7\u5305"},"content":{"rendered":"<h2>Crash Recovery and Diagnostics for Kubernetes\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>Crash Recovery and Diagnostics for Kubernetes\u8fd9\u4e2a\u5de5\u5177\u7528\u4e8e\u6536\u96c6Kubernetes\u96c6\u7fa4\u7684\u8bca\u65ad\u65e5\u5fd7\u3002\u5b83\u4f1a\u6839\u636e\u6307\u5b9a\u7684\u6587\u4ef6\uff0c\u6536\u96c6Kubernetes\u96c6\u7fa4\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u5728Tanzu Kubernetes Grid(TKG)\u4e2d\uff0c\u63d0\u4f9b\u4e86Kubernetes\u7684\u5d29\u6e83\u6062\u590d\u548c\u8bca\u65ad\u7684\u5df2\u7b7e\u540d\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002<\/p>\n<h2>\u5b89\u88c5Kubernetes\u7684\u5d29\u6e83\u6062\u590d\u548c\u8bca\u65ad\u529f\u80fd\u3002<\/h2>\n<p>\u7531\u4e8e\u5728Mac OS\u4e0a\u6709\u5df2\u77e5\u95ee\u9898\uff0c\u56e0\u6b64\u672c\u6b21\u5b89\u88c5\u5c06\u5728Linux\u4e0a\u8fdb\u884c\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6211\u5c06\u4eceMyVMware\u4e0b\u8f7dcrash-diagnostics-v0.2.2.tar.gz\u6587\u4ef6\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4f7f\u7528tar\u547d\u4ee4\u89e3\u538b\u4e0b\u8f7d\u7684\u6587\u4ef6\uff0c\u5e76\u6388\u4e88\u6267\u884c\u6743\u9650\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>$ tar -xzf crash-diagnostics-v0.2.2.tar.gz<br \/>\n$ gunzip crash-diagnostics-darwin-v0.2.2.gz<\/p>\n<p>\u5c06\u6587\u4ef6\u79fb\u52a8\u5230\/usr\/local\/bin\u76ee\u5f55\u4e0b\uff0c\u5e76\u6388\u4e88\u6267\u884c\u6743\u9650\u3002<\/p>\n<p>$ sudo mv .\/crash-diagnostics-darwin-v0.2.2 \/usr\/local\/bin\/crash-diagnostics<br \/>\n$ chmod +x \/usr\/local\/bin\/crash-diagnostics<\/p>\n<h2>\u5728 Kubernetes \u4e0a\u8fdb\u884c\u7684\u5d29\u6e83\u6062\u590d\u548c\u8bca\u65ad<\/h2>\n<p>\u9488\u5bf9\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u5c55\u793a\u7684Kubernetes\u96c6\u7fa4dev-cluster\uff0c\u6211\u4eec\u5c06\u6267\u884cKubernetes\u7684\u5d29\u6e83\u6062\u590d\u548c\u8bca\u65ad\u64cd\u4f5c\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5c06crash-diagnostics-v0.2.2.tar.gz\u4e2d\u7684Diagnostics.file\u8fdb\u884c\u5982\u4e0b\u7f16\u8f91\uff1a<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>a. \u6307\u5b9aKubernetes\u8282\u70b9\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u3002\u5728dev-cluster\u4e2d\uff0c\u90e8\u7f72\u4e86\u4e3b\u8282\u70b9\uff08192.168.7.50\uff09\u548c\u5de5\u4f5c\u8282\u70b9\uff08192.168.7.55\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p># FROM\u6307\u5b9a\u7528\u4e8e\u83b7\u53d6\u8bca\u65ad\u6570\u636e\u7684\u4ee5\u7a7a\u683c\u5206\u9694\u7684\u4e3b\u673a\u5217\u8868\u3002<br \/>\n# Retries\u8868\u793a\u8fde\u63a5\u4e3b\u673a\u7684\u6700\u5927\u8fde\u63a5\u5c1d\u8bd5\u6b21\u6570\u3002<br \/>\nFROM hosts:&#8221;192.168.7.50:22 192.168.7.55:22&#8243; retries:&#8221;20&#8243;<\/p>\n<p>b. \u6307\u5b9aSSH\u7528\u6237\u548cSSH\u5bc6\u94a5\u7684\u7edd\u5bf9\u8def\u5f84\u3002\u5728\u90e8\u7f72TKG\u96c6\u7fa4\u7684\u60c5\u51b5\u4e0b\uff0c\u7528\u6237\u4e3acapv\uff0c\u5bc6\u94a5\u662f\u5728\u90e8\u7f72Management\u96c6\u7fa4\u65f6\u6307\u5b9a\u7684\u5bc6\u94a5\u3002<\/p>\n<p># \u540e\u9762\u7684\u6587\u4ef6\u4e2d\u4f7f\u7528\u7684\u73af\u5883\u53d8\u91cf<br \/>\nENV SSH_USER=capv<br \/>\nENV SSH_KEY=\/home\/ttanigaki\/.ssh\/id_rsa<\/p>\n<p>c. \u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u6307\u5b9a\u5de5\u4f5c\u76ee\u5f55\u3002\u5728\u672c\u4f8b\u4e2d\uff0c\u6211\u4eec\u5728\/tmp\u76ee\u5f55\u4e0b\u521b\u5efadev-cluster\u76ee\u5f55\u4f5c\u4e3a\u5de5\u4f5c\u76ee\u5f55\u3002<\/p>\n<p># WORKDIR\u6307\u5b9a\u5de5\u5177\u5728\u6253\u5305\u4e4b\u524d\u7528\u4e8e\u6682\u5b58\u6587\u4ef6\u7684\u78c1\u76d8\u4e0a\u7684\u4f4d\u7f6e\u3002<br \/>\nWORKDIR \/tmp\/dev-cluster<\/p>\n<p>d. \u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u6307\u5b9a\u65e5\u5fd7\u6346\u7ed1\u7684\u8f93\u51fa\u76ee\u5f55\u548c\u6587\u4ef6\u540d\u3002<\/p>\n<p># OUTPUT\u6307\u5b9a\u751f\u6210\u7684tar.gz\u6587\u4ef6\u8f93\u51fa\u6346\u7ed1\u5305\u7684\u8def\u5f84<br \/>\nOUTPUT \/tmp\/dev-cluster-logs.tar.gz<\/p>\n<p>e. \u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u6307\u5b9aKubernetes\u96c6\u7fa4\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<p># KUBECONFIG\u6307\u5b9akubeconfig\u6587\u4ef6\u7684\u4f4d\u7f6e<br \/>\n# \u7531\u4e0b\u9762\u7684Kubernetes\u547d\u4ee4\u4f7f\u7528\u3002<br \/>\nKUBECONFIG \/home\/ttanigaki\/.kube\/config<\/p>\n<p>\u5728\u5305\u542bDiagnostics.file\u6587\u4ef6\u7684\u76ee\u5f55\u4e2d\u8fd0\u884ccrash-diagnostics run\u547d\u4ee4\u3002<\/p>\n<p>$ crash-diagnostics run<br \/>\nINFO[0000] \u6b63\u5728\u89e3\u6790\u811a\u672c\u6587\u4ef6&#8230;<br \/>\nINFO[0000] \u6b63\u5728\u6267\u884c\u811a\u672c\u6587\u4ef6&#8230;<br \/>\nWARN[0055] CAPTURE\u8fdc\u7a0b\u547d\u4ee4sudo docker ps -a\u5931\u8d25\uff1aSSH\uff1a\u7b49\u5f85\u54cd\u5e94\u65f6\u51fa\u9519\uff1a\u8fdb\u7a0b\u9000\u51fa\u72b6\u6001\u4e3a1<br \/>\nWARN[0056] CAPTURE\u8fdc\u7a0b\u547d\u4ee4sudo docker ps -a\u5931\u8d25\uff1aSSH\uff1a\u7b49\u5f85\u54cd\u5e94\u65f6\u51fa\u9519\uff1a\u8fdb\u7a0b\u9000\u51fa\u72b6\u6001\u4e3a1<br \/>\nWARN[0057] CAPTURE\u8fdc\u7a0b\u547d\u4ee4sudo systemctl status docker\u5931\u8d25\uff1aSSH\uff1a\u7b49\u5f85\u54cd\u5e94\u65f6\u51fa\u9519\uff1a\u8fdb\u7a0b\u9000\u51fa\u72b6\u6001\u4e3a4<br \/>\nWARN[0058] CAPTURE\u8fdc\u7a0b\u547d\u4ee4sudo systemctl status docker\u5931\u8d25\uff1aSSH\uff1a\u7b49\u5f85\u54cd\u5e94\u65f6\u51fa\u9519\uff1a\u8fdb\u7a0b\u9000\u51fa\u72b6\u6001\u4e3a4<br \/>\nINFO[0060] KUBEGET\uff1a\u83b7\u53d6API\u5bf9\u8c61\uff08\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\uff09&#8230;<br \/>\nINFO[0060] KUBEGET\uff1a\u83b7\u53d6API\u5bf9\u8c61\uff08\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\uff09&#8230;<br \/>\nINFO[0067] \u5df2\u5728\u8def\u5f84\/tmp\/dev-cluster-logs.tar.gz\u521b\u5efa\u8f93\u51fa&#8230;<br \/>\nINFO[0067] \u5b8c\u6210<\/p>\n<p>\u203b\u8fd9\u91cc\u8f93\u51fa\u4e86\u4e0edocker\u76f8\u5173\u7684\u9519\u8bef\uff0c\u8fd9\u662f\u7531\u4e8e\u5728\u90e8\u7f72\u7684TKG\u8282\u70b9\u4e0a\u672a\u5b89\u88c5docker\u3002<\/p>\n<p>\u786e\u8ba4\/tmp\/dev-cluster-logs.tgz\u5df2\u8f93\u51fa\u3002<\/p>\n<p>$ ls -l \/tmp\/dev-cluster-logs.tar.gz<br \/>\n-rw-rw-r&#8211; 1 ttanigaki ttanigaki 374894 4\u6708 26 22:29 \/tmp\/dev-cluster-logs.tar.gz<\/p>\n<p>\u89e3\u538b\u7f29\u540e\uff0c\u53ef\u4ee5\u786e\u8ba4\u5305\u542b\u6bcf\u4e2a\u8282\u70b9\u7684\u4fe1\u606f\u548cKubernetes\u96c6\u7fa4\u7684\u4fe1\u606f\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p>\u2514\u2500\u2500 tmp<br \/>\n\u2514\u2500\u2500 dev-cluster<br \/>\n\u251c\u2500\u2500 192_168_7_50_22<br \/>\n\u2502 \u251c\u2500\u2500 sudo_arp__a.txt<br \/>\n\u2502 \u251c\u2500\u2500 sudo_bash__c__ulimit__a_.txt<br \/>\n\u2502 \u251c\u2500\u2500 sudo_bash__c__umask_.txt<br \/>\n\u2502 \u251c\u2500\u2500 sudo_cat__proc_cpuinfo.txt<br \/>\n~~ \u7701\u7565 ~~<br \/>\n\u2514\u2500\u2500 kubeget<br \/>\n\u251c\u2500\u2500 default<br \/>\n\u2502 \u2514\u2500\u2500 pods.json<br \/>\n\u251c\u2500\u2500 kube-node-lease<br \/>\n\u2502 \u2514\u2500\u2500 pods.json<br \/>\n\u251c\u2500\u2500 kube-public<br \/>\n\u2502 \u2514\u2500\u2500 pods.json<br \/>\n\u2514\u2500\u2500 kube-system<br \/>\n~~ \u7701\u7565 ~~<br \/>\n53\u4e2a\u76ee\u5f55\uff0c93\u4e2a\u6587\u4ef6<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Crash Recovery and Diagnostics for Kubernetes\u662f\u4ec0\u4e48\uff1f Crash [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36165","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- 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