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class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A43_%E4%BD%BF%E7%94%A8_Deployment_%E7%AE%A1%E7%90%86%E5%89%AF%E6%9C%AC\" >\u6b65\u9aa43: \u4f7f\u7528 Deployment \u7ba1\u7406\u526f\u672c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A44_%E8%87%AA%E6%84%88%E8%83%BD%E5%8A%9B%E9%AA%8C%E8%AF%81\" >\u6b65\u9aa44: \u81ea\u6108\u80fd\u529b\u9a8c\u8bc1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A45_%E6%B0%B4%E5%B9%B3%E4%BC%B8%E7%BC%A9\" >\u6b65\u9aa45: \u6c34\u5e73\u4f38\u7f29<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A46_%E6%BB%9A%E5%8A%A8%E6%9B%B4%E6%96%B0\" >\u6b65\u9aa46: \u6eda\u52a8\u66f4\u65b0<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E4%BE%8B%E5%A6%82%E9%95%9C%E5%83%8F%E4%B8%8D%E5%AD%98%E5%9C%A8%E3%80%81%E4%BB%93%E5%BA%93%E8%AE%A4%E8%AF%81%E5%A4%B1%E8%B4%A5%EF%BC%9A\" >\u4f8b\u5982\u955c\u50cf\u4e0d\u5b58\u5728\u3001\u4ed3\u5e93\u8ba4\u8bc1\u5931\u8d25\uff1a<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A47_%E6%9F%A5%E7%9C%8B_Pod_%E6%97%A5%E5%BF%97\" >\u6b65\u9aa47: \u67e5\u770b Pod \u65e5\u5fd7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A48_%E8%BF%9B%E5%85%A5%E5%AE%B9%E5%99%A8%E8%B0%83%E8%AF%95\" >\u6b65\u9aa48: \u8fdb\u5165\u5bb9\u5668\u8c03\u8bd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A49_%E6%B8%85%E7%90%86%E8%B5%84%E6%BA%90\" >\u6b65\u9aa49: \u6e05\u7406\u8d44\u6e90<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#DaemonSet_%E4%B8%8E_StatefulSet\" >DaemonSet \u4e0e StatefulSet<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A41_DaemonSet_%E2%80%94_%E6%AF%8F%E8%8A%82%E7%82%B9%E4%B8%80%E4%B8%AA_Pod\" >\u6b65\u9aa41: DaemonSet \u2014 \u6bcf\u8282\u70b9\u4e00\u4e2a Pod<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A42_StatefulSet_%E2%80%94_%E6%9C%89%E7%8A%B6%E6%80%81%E5%BA%94%E7%94%A8\" >\u6b65\u9aa42: StatefulSet \u2014 \u6709\u72b6\u6001\u5e94\u7528<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A43_%E6%8E%A7%E5%88%B6%E5%99%A8%E5%AF%B9%E6%AF%94\" >\u6b65\u9aa43: \u63a7\u5236\u5668\u5bf9\u6bd4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/linuxjk.cn\/?p=3324\/#%E6%AD%A5%E9%AA%A44_%E6%B8%85%E7%90%86\" >\u6b65\u9aa44: \u6e05\u7406<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%9B%86%E7%BE%A4%E5%9F%BA%E7%A1%80\"><\/span>\u96c6\u7fa4\u57fa\u7840<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"K8s_%E6%9E%B6%E6%9E%84%E4%B8%8E%E6%A0%B8%E5%BF%83%E7%BB%84%E4%BB%B6\"><\/span>K8s \u67b6\u6784\u4e0e\u6838\u5fc3\u7ec4\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A41_%E7%90%86%E8%A7%A3_Kubernetes_%E6%9E%B6%E6%9E%84\"><\/span>\u6b65\u9aa41: \u7406\u89e3 Kubernetes \u67b6\u6784<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kubernetes \u662f\u4e00\u4e2a\u5bb9\u5668\u7f16\u6392\u5e73\u53f0\uff0c\u6838\u5fc3\u7ec4\u4ef6\u5206\u4e3a\u4e24\u7c7b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u63a7\u5236\u5e73\u9762 (Control Plane)<\/strong>\uff1a &#8211; <code>kube-apiserver<\/code> \u2014 \u96c6\u7fa4\u7edf\u4e00\u5165\u53e3\uff0c\u6240\u6709\u64cd\u4f5c\u90fd\u901a\u8fc7 API Server &#8211; <code>etcd<\/code> \u2014 \u5206\u5e03\u5f0f\u952e\u503c\u5b58\u50a8\uff0c\u4fdd\u5b58\u96c6\u7fa4\u6240\u6709\u6570\u636e &#8211; <code>kube-scheduler<\/code> \u2014 \u8c03\u5ea6\u5668\uff0c\u51b3\u5b9a Pod \u8fd0\u884c\u5728\u54ea\u4e2a\u8282\u70b9 &#8211; <code>kube-controller-manager<\/code> \u2014 \u63a7\u5236\u5668\u7ba1\u7406\u5668\uff0c\u7ef4\u62a4\u96c6\u7fa4\u671f\u671b\u72b6\u6001<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5de5\u4f5c\u8282\u70b9 (Worker Node)<\/strong>\uff1a &#8211; <code>kubelet<\/code> \u2014 \u8282\u70b9\u4ee3\u7406\uff0c\u7ba1\u7406 Pod \u751f\u547d\u5468\u671f &#8211; <code>kube-proxy<\/code> \u2014 \u7f51\u7edc\u4ee3\u7406\uff0c\u7ef4\u62a4\u8282\u70b9\u4e0a\u7684\u7f51\u7edc\u89c4\u5219 &#8211; <code>Container Runtime<\/code> \u2014 \u5bb9\u5668\u8fd0\u884c\u65f6\uff08containerd \/ CRI-O\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A42_%E9%9B%86%E7%BE%A4%E7%BB%84%E4%BB%B6%E9%80%9A%E4%BF%A1%E6%B5%81%E7%A8%8B\"><\/span>\u6b65\u9aa42: \u96c6\u7fa4\u7ec4\u4ef6\u901a\u4fe1\u6d41\u7a0b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">\u7528\u6237 \u2192 kubectl \u2192 API Server \u2192 etcd (\u5b58\u50a8)<br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  \u2193<br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  Scheduler (\u9009\u62e9\u8282\u70b9)<br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  \u2193<br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  Controller Manager<br> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  \u2193<br> &nbsp; &nbsp; &nbsp; &nbsp; kubelet (\u5728\u76ee\u6807\u8282\u70b9\u542f\u52a8 Pod)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e86\u89e3\u8fd9\u4e9b\u7ec4\u4ef6\u5982\u4f55\u534f\u4f5c\u662f\u5b66\u4e60 K8s \u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A43_%E5%90%8D%E8%AF%8D%E6%A6%82%E5%BF%B5\"><\/span>\u6b65\u9aa43: \u540d\u8bcd\u6982\u5ff5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u6982\u5ff5<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Pod<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">K8s \u6700\u5c0f\u8c03\u5ea6\u5355\u5143\uff0c\u53ef\u5305\u542b 1 \u4e2a\u6216\u591a\u4e2a\u5bb9\u5668<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Node<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5de5\u4f5c\u673a\u5668\uff0c\u53ef\u4ee5\u662f\u7269\u7406\u673a\u6216\u865a\u62df\u673a<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Namespace<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8d44\u6e90\u9694\u79bb\u7684\u865a\u62df\u96c6\u7fa4<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Service<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e3a Pod \u63d0\u4f9b\u7a33\u5b9a\u7684\u7f51\u7edc\u8bbf\u95ee\u5165\u53e3<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Deployment<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u7ba1\u7406 Pod \u7684\u58f0\u660e\u5f0f\u66f4\u65b0\u548c\u4f38\u7f29<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>ConfigMap<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u975e\u654f\u611f\u914d\u7f6e\u6570\u636e<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Secret<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u654f\u611f\u6570\u636e\uff08\u5bc6\u7801\u3001Token \u7b49\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A44_kubectl_%E5%9F%BA%E6%9C%AC%E5%91%BD%E4%BB%A4%E6%A0%BC%E5%BC%8F\"><\/span>\u6b65\u9aa44: kubectl \u57fa\u672c\u547d\u4ee4\u683c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl &lt;verb&gt; &lt;resource&gt; [options]<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u7528 verb\uff1a &#8211; <code>get<\/code> \u2014 \u67e5\u770b\u8d44\u6e90 &#8211; <code>describe<\/code> \u2014 \u67e5\u770b\u8d44\u6e90\u8be6\u60c5 &#8211; <code>create<\/code> \u2014 \u521b\u5efa\u8d44\u6e90 &#8211; <code>apply<\/code> \u2014 \u58f0\u660e\u5f0f\u521b\u5efa\/\u66f4\u65b0 &#8211; <code>delete<\/code> \u2014 \u5220\u9664\u8d44\u6e90 &#8211; <code>logs<\/code> \u2014 \u67e5\u770b\u65e5\u5fd7 &#8211; <code>exec<\/code> \u2014 \u8fdb\u5165\u5bb9\u5668<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A45_%E9%9B%86%E7%BE%A4%E4%BF%A1%E6%81%AF%E6%A6%82%E8%A7%88\"><\/span>\u6b65\u9aa45: \u96c6\u7fa4\u4fe1\u606f\u6982\u89c8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl cluster-info<br>kubectl version<br>kubectl api-resources<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e86\u89e3\u96c6\u7fa4\u63d0\u4f9b\u4e86\u54ea\u4e9b API \u8d44\u6e90\uff0c\u8fd9\u662f\u540e\u7eed\u6240\u6709\u64cd\u4f5c\u7684\u57fa\u7840\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"kubectl_%E5%91%BD%E4%BB%A4%E8%A1%8C%E5%9F%BA%E7%A1%80\"><\/span>kubectl \u547d\u4ee4\u884c\u57fa\u7840<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A41_kubectl_%E5%91%BD%E4%BB%A4%E7%BB%93%E6%9E%84\"><\/span>\u6b65\u9aa41: kubectl \u547d\u4ee4\u7ed3\u6784<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">kubectl \u662f K8s \u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u6240\u6709\u64cd\u4f5c\u90fd\u901a\u8fc7\u5b83\u4e0e\u96c6\u7fa4\u4ea4\u4e92\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl &lt;verb&gt; &lt;resource&gt; [flags]<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u7528 verb \u901f\u67e5\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u547d\u4ee4<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u7528\u9014<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u793a\u4f8b<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">get<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u67e5\u770b\u8d44\u6e90\u5217\u8868<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>kubectl get pods<\/code><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">describe<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u67e5\u770b\u8d44\u6e90\u8be6\u7ec6\u4fe1\u606f<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>kubectl describe pod my-pod<\/code><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">create<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u521b\u5efa\u8d44\u6e90<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>kubectl create -f pod.yaml<\/code><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">apply<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u58f0\u660e\u5f0f\u521b\u5efa\/\u66f4\u65b0<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>kubectl apply -f manifest.yaml<\/code><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">delete<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5220\u9664\u8d44\u6e90<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>kubectl delete pod my-pod<\/code><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">logs<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u67e5\u770b\u65e5\u5fd7<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>kubectl logs my-pod<\/code><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">exec<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8fdb\u5165\u5bb9\u5668\u6267\u884c\u547d\u4ee4<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>kubectl exec -it my-pod -- \/bin\/sh<\/code><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">explain<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u67e5\u770b\u8d44\u6e90\u5b57\u6bb5\u6587\u6863<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>kubectl explain pod.spec<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A42_%E6%8E%A2%E7%B4%A2%E9%9B%86%E7%BE%A4%E8%B5%84%E6%BA%90\"><\/span>\u6b65\u9aa42: \u63a2\u7d22\u96c6\u7fa4\u8d44\u6e90<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u67e5\u770b\u6240\u6709 API \u8d44\u6e90\u7c7b\u578b<br>kubectl api-resources<br>\u200b<br># \u67e5\u770b\u96c6\u7fa4\u8282\u70b9<br>kubectl get nodes -o wide<br>\u200b<br># \u67e5\u770b\u6240\u6709\u547d\u540d\u7a7a\u95f4<br>kubectl get namespaces<br>\u200b<br>#\u67e5\u770b\u81ea\u5df1\u547d\u540d\u7a7a\u95f4<br>kubectl describe namespace user-176-1514<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u89e3 <code>-o<\/code> \u8f93\u51fa\u683c\u5f0f\uff1a &#8211; <code>-o wide<\/code> \u2014 \u663e\u793a\u989d\u5916\u5217\uff08IP\u3001\u8282\u70b9\uff09 &#8211; <code>-o yaml<\/code> \u2014 \u5b8c\u6574 YAML \u5b9a\u4e49 &#8211; <code>-o json<\/code> \u2014 JSON \u683c\u5f0f &#8211; <code>-o jsonpath=...<\/code> \u2014 \u63d0\u53d6\u7279\u5b9a\u5b57\u6bb5<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A43_%E5%88%9B%E5%BB%BA%E7%AC%AC%E4%B8%80%E4%B8%AA_Pod\"><\/span>\u6b65\u9aa43: \u521b\u5efa\u7b2c\u4e00\u4e2a Pod<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53f3\u5074\u7f16\u8f91\u5668\u7c98\u8d34\u4ee5\u4e0b\u5185\u5bb9\uff0c\u6267\u884c <code>kubectl apply -f manifest.yaml<\/code>\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6267\u884c\u4e4b\u524d\u5148\u68c0\u67e5<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl apply --dry-run=server -f manifest.yaml<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">apiVersion: v1<br>kind: Pod<br>metadata:<br>  name: hello-k8s<br>  labels:<br> &nbsp;  app: demo<br>spec:<br>  containers:<br>  - name: busybox<br> &nbsp;  image: swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/busybox:latest<br> &nbsp;  command: [\"\/bin\/sh\", \"-c\", \"echo 'Hello K8s!'; sleep 3600\"]<br> &nbsp;  resources:<br> &nbsp; &nbsp;  requests:<br> &nbsp; &nbsp; &nbsp;  cpu: 10m<br> &nbsp; &nbsp; &nbsp;  memory: 32Mi<br> &nbsp; &nbsp;  limits:<br> &nbsp; &nbsp; &nbsp;  cpu: 100m<br> &nbsp; &nbsp; &nbsp;  memory: 64Mi<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b Pod \u7684\u6240\u6709\u4fe1\u606f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl get pod hello-k8s -o wide<br>kubectl describe pod hello-k8s<br>kubectl get pod hello-k8s -o yaml | head -30<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%B8%B4%E6%97%B6%E5%90%AFpod%EF%BC%8C%E7%B1%BB%E4%BC%BCdocker_run\"><\/span>\u4e34\u65f6\u542fpod\uff0c\u7c7b\u4f3cdocker run<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u57fa\u672c\u683c\u5f0f<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl run &lt;Pod\u540d&gt; --image=&lt;\u955c\u50cf&gt; [flags]<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">#\u65b0\u7248 kubectl \u9ed8\u8ba4\u7ed9\u4f60\u9020\u7684\u662f Deployment \u800c\u4e0d\u662f Pod\u2014\u2014\u60f3\"\u4e34\u65f6\u8d77\u4e2a Pod\"\u5c31\u5fc5\u987b\u663e\u5f0f\u58f0\u660e   --restart=Never <br>kubectl run web-demo  --image=nginx:stable-alpine --restart=Never <br>#\u505a\u7aef\u53e3\u8f6c\u53d1  <br>kubectl port-forward pod\/web-demo 800:80 -n user-176-1514<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u4e34\u65f6 Pod\uff0c\u8dd1\u5b8c\u5c31\u5220\uff08-it \u4ea4\u4e92 + --rm\uff09<br>kubectl run tmp --image=&lt;busybox\u5730\u5740&gt; --restart=Never -it --rm -- \/bin\/sh<br><br>#\u6307\u5b9a\u5bb9\u5668\u540d(\u65e7\u7248\u4e0d\u652f\u6301\uff0c\u4f7f\u7528\u8fd9\u4e2a\u547d\u4ee4\u67e5\u8be2\ud83d\udc49)kubectl run --help | grep container-name<br>kubectl run web-demo --image=&lt;\u5730\u5740&gt; --restart=Never \\<br>  --container-name=nginx -n user-176-1514<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5bfc\u51farun\u547d\u4ee4\u4e3ayaml<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#--dry-run=client \u53ea\u751f\u6210\u4e0d\u63d0\u4ea4\uff0c\u6539\u597d\u6587\u4ef6\u518d apply\uff1a<br>kubectl run web-demo --image=&lt;\u5730\u5740&gt; --restart=Never \\<br>  --dry-run=client -o yaml &gt; web-demo.yaml<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A44_Label_%E5%92%8C_Selector\"><\/span>\u6b65\u9aa44: Label \u548c Selector<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Label \u662f K8s \u7684\u6838\u5fc3\u7ec4\u7ec7\u673a\u5236\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u7ed9 Pod \u6dfb\u52a0\u6807\u7b7e<br>kubectl label pod hello-k8s env=dev version=v1<br><br># \u6309\u6807\u7b7e\u7b5b\u9009<br>kubectl get pods -l env=dev<br>kubectl get pods -l 'env in (dev,staging)'<br><br># \u67e5\u770b Pod \u7684\u6807\u7b7e<br>kubectl get pods --show-labels<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A45_%E6%B8%85%E7%90%86\"><\/span>\u6b65\u9aa45: \u6e05\u7406<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl delete pod hello-k8s<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A46_%E5%B8%B8%E7%94%A8%E8%B0%83%E8%AF%95%E5%91%BD%E4%BB%A4\"><\/span>\u6b65\u9aa46: \u5e38\u7528\u8c03\u8bd5\u547d\u4ee4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5b9e\u65f6\u8ddf\u8e2a Pod \u72b6\u6001\u53d8\u5316<br>kubectl get pods -w<br><br>#\u67e5\u770b\u6240\u6709 Pod \u53ca\u5176\u5bb9\u5668<br>kubectl get pods \\<br>  -n user-176-1514 \\<br>  -o custom-columns='POD:.metadata.name,CONTAINERS:.spec.containers[*].name'<br><br><br><br># \u67e5\u770b Pod \u65e5\u5fd7<br>kubectl logs hello-k8s<br><br>#\u5bb9\u5668\u521b\u5efa\u4e2d\u65f6\u770b\u4e0d\u5230log\u53ea\u80fd\u67e5\u770bevents<br>kubectl describe pod raft-test -n user-176-1514 | tail -30<br><br>kubectl get pod raft-test -n user-176-1514 \\<br>  -o jsonpath='{.status.containerStatuses[*].state}{\"\\n\"}'<br>  <br>#\u67e5\u770b\u6709\u591a\u4e2a\u5bb9\u5668\u7684pod \u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u547d\u4ee4\uff0c\u4f1a\u63d0\u793aDefaulted container \"app\" out of: app, log-tailer<br>kubectl logs hello-k8s<br>#\u67e5\u770bpod\u7684\u5168\u90e8\u5bb9\u5668\u547d\u4ee4<br>kubectl logs more-con --all-containers=true<br><br># \u8fdb\u5165 Pod shell<br>kubectl exec -it hello-k8s -- \/bin\/sh<br><br># \u4ece Pod \u590d\u5236\u6587\u4ef6\u5230\u672c\u5730\uff08\u5de5\u5177\u7bb1\uff09<br>kubectl cp hello-k8s:\/etc\/hostname \/tmp\/hostname<br>cat \/tmp\/hostname<br><br>#\u67e5\u770b\u5f53\u524d\u7528\u6237\u8d44\u6e90\u9650\u5236<br>kubectl describe limitrange -n user-176-1514<br>kubectl describe resourcequota -n user-176-1514  <br>kubectl get resourcequota web-apps-quota -n user-176-1514<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BF%AE%E6%94%B9%E8%B5%84%E6%BA%90%E9%99%90%E5%88%B6%E6%8C%81%E4%B9%85%E5%8C%96\"><\/span>\u4fee\u6539\u8d44\u6e90\u9650\u5236\u6301\u4e45\u5316<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">#\u7f16\u8f91\u67d0\u4e00\u8d44\u6e90\u9650\u5236\u914d\u7f6e<br>kubectl edit resourcequota web-apps-quota -n user-176-1514<br><br>toolbox:\/# cat \/data\/4h4g.yaml <br>apiVersion: v1<br>kind: ResourceQuota<br>metadata:<br>  name: web-apps-quota<br>  namespace: user-176-1514<br>spec:<br>  hard:<br>    requests.cpu: \"4\"<br>    requests.memory: 4Gi<br>    limits.cpu: \"4\"<br>    limits.memory: 4Gi<br>    count\/deployments.apps: \"8\"<br>    <br>kubectl get resourcequota web-apps-quota -n user-176-1514 -o yaml<br>kubectl describe resourcequota web-apps-quota -n user-176-1514<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%99%BB%E5%BD%95%E9%95%9C%E5%83%8F%E4%BB%93%E5%BA%93\"><\/span>\u767b\u5f55\u955c\u50cf\u4ed3\u5e93<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">#\u9632\u6b62\u5bc6\u7801\u8f93\u51fa\u5230shell<br>read -rsp \"\u8bf7\u8f93\u5165 ACR \u5bc6\u7801: \" ACR_PASSWORD<br>echo<br><br>kubectl create secret docker-registry aliyun-acr --docker-server=crpi-xfeuebyl27sae6su.ap-northeast-1.personal.cr.aliyuncs.com --docker-username=hs888p --docker-password=Linuxjk.cn6 --namespace=user-176-1514<br><br>#\u6e05\u9664\u5bc6\u7801\u53d8\u91cf<br>unset ACR_PASSWORD<br><br>#\u67e5\u770b\u5f53\u524d\u955c\u50cf\u4ed3\u5e93\u914d\u7f6e<br>kubectl get secret aliyun-acr -n user-176-1514<br>#\u67e5\u770b\u57fa\u672c\u4fe1\u606f<br>kubectl describe secret aliyun-acr -n user-176-1514<br>#\u7f16\u8f91\u975e\u654f\u611f\u4fe1\u606f<br>kubectl edit secret aliyun-acr -n user-176-1514<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%BB%98%E8%AE%A4%E4%B8%8A%E4%B8%8B%E6%96%87%E9%85%8D%E7%BD%AE\"><\/span>\u9ed8\u8ba4\u4e0a\u4e0b\u6587\u914d\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl config set-context --current --namespace=user-176-1514<br><br>#\u914d\u7f6e\u597d\u5c31\u662f\u6301\u4e45\u5316\u7684\uff0c\u4f1a\u5199\u5165 ~\/.kube\/config<br>#\u67e5\u770b\u662f\u5426\u751f\u6548\uff0cNAMESPACE \u4e00\u5217\u5e94\u8be5\u663e\u793a\uff1a<br>kubectl config get-contexts<br><br>#\u53ea\u67e5\u770b\u5f53\u524d context\uff1a<br>kubectl config current-context<br>#\u67e5\u770b\u5b8c\u6574\u914d\u7f6e<br>kubectl config view --minify<br>#\u53ea\u67e5\u770b\u5f53\u524d\u9ed8\u8ba4 namespace\uff1a<br>kubectl config view --minify -o jsonpath='{..namespace}{\"\\n\"}'<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%9B%86%E7%BE%A4%E8%8A%82%E7%82%B9%E7%AE%A1%E7%90%86\"><\/span>\u96c6\u7fa4\u8282\u70b9\u7ba1\u7406<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A41_%E6%9F%A5%E7%9C%8B%E9%9B%86%E7%BE%A4%E8%8A%82%E7%82%B9\"><\/span>\u6b65\u9aa41: \u67e5\u770b\u96c6\u7fa4\u8282\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl get nodes -o wide<br>kubectl describe node $(kubectl get nodes -o name | head -1 | cut -d\/ -f2)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u70b9\u89c2\u5bdf\uff1a &#8211; <strong>Conditions<\/strong>: Ready \/ MemoryPressure \/ DiskPressure \/ PIDPressure &#8211; <strong>Capacity vs Allocatable<\/strong>: \u8282\u70b9\u603b\u8d44\u6e90 vs \u53ef\u5206\u914d\u8d44\u6e90 &#8211; <strong>Taints<\/strong>: \u8282\u70b9\u6c61\u70b9\uff08\u963b\u6b62 Pod \u8c03\u5ea6\u7684\u6807\u8bb0\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A42_%E7%90%86%E8%A7%A3_Taint_%E5%92%8C_Toleration\"><\/span>\u6b65\u9aa42: \u7406\u89e3 Taint \u548c Toleration<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Taint\uff08\u6c61\u70b9\uff09\u6807\u8bb0\u5728\u8282\u70b9\u4e0a\uff0c\u6392\u65a5\u4e0d\u5339\u914d\u7684 Pod\u3002Toleration\uff08\u5bb9\u5fcd\uff09\u6807\u8bb0\u5728 Pod \u4e0a\uff0c\u5141\u8bb8\u8c03\u5ea6\u5230\u6709\u7279\u5b9a Taint \u7684\u8282\u70b9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b\u8282\u70b9\u7684 Taint\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl describe nodes | grep -A1 Taints<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u89c1 Taint \u793a\u4f8b\uff1a &#8211; <code>node.kubernetes.io\/not-ready:NoSchedule<\/code> \u2014 \u8282\u70b9\u672a\u5c31\u7eea &#8211; <code>node-role.kubernetes.io\/master:NoSchedule<\/code> \u2014 Master \u8282\u70b9\u9ed8\u8ba4\u4e0d\u8c03\u5ea6\u7528\u6237 Pod<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%BB%99%E6%8E%A7%E5%88%B6%E5%B9%B3%E9%9D%A2%E6%81%A2%E5%A4%8D%E6%A0%87%E5%87%86%E6%B1%A1%E7%82%B9%EF%BC%9A\"><\/span>\u7ed9\u63a7\u5236\u5e73\u9762\u6062\u590d\u6807\u51c6\u6c61\u70b9\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl taint nodes k8s-001 k8s-002 k8s-003 \\<br>  node-role.kubernetes.io\/control-plane=:NoSchedule<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u786e\u8ba4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl get nodes -o custom-columns='NAME:.metadata.name,TAINTS:.spec.taints'<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u64cd\u4f5c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u4f1a\u9a71\u9010\u5df2\u7ecf\u8fd0\u884c\u5728\u63a7\u5236\u5e73\u9762\u7684\u666e\u901a Pod\uff0c\u56e0\u4e3a\u662f <code>NoSchedule<\/code><\/li>\n\n\n\n<li>\u53ea\u963b\u6b62\u540e\u7eed\u4e0d\u5177\u5907\u5bf9\u5e94 toleration \u7684 Pod \u8c03\u5ea6\u8fc7\u53bb<\/li>\n\n\n\n<li>\u63a7\u5236\u5e73\u9762\u9759\u6001 Pod \u4e0d\u53d7\u5f71\u54cd<\/li>\n\n\n\n<li>DaemonSet \u662f\u5426\u7ee7\u7eed\u8fd0\u884c\u53d6\u51b3\u4e8e\u5176 tolerations\uff0c\u5e38\u89c1\u7cfb\u7edf\u7ec4\u4ef6\u901a\u5e38\u5df2\u7ecf\u517c\u5bb9<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8bae\u5148\u68c0\u67e5\u5f53\u524d\u6709\u54ea\u4e9b\u975e\u7cfb\u7edf Pod \u8dd1\u5728\u63a7\u5236\u5e73\u9762\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl get pods -A -o wide \\<br>  --field-selector spec.nodeName=k8s-001<br><br>kubectl get pods -A -o wide \\<br>  --field-selector spec.nodeName=k8s-002<br><br>kubectl get pods -A -o wide \\<br>  --field-selector spec.nodeName=k8s-003<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5220\u9664\u6807\u51c6\u6c61\u70b9\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl taint nodes k8s-001 \\<br>  node-role.kubernetes.io\/control-plane:NoSchedule-<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6c61\u70b9\u53ef\u4ee5\u81ea\u5b9a\u4e49\uff0c\u683c\u5f0f\u662f\uff1a<\/strong><code>key=value:effect<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl taint nodes k8s-001 dedicated=control-plane:NoSchedule<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u662f\u9488\u5bf9\u63a7\u5236\u5e73\u9762\u8282\u70b9\uff0c\u63a8\u8350\u4f7f\u7528 Kubernetes \u7684\u6807\u51c6\u6c61\u70b9\uff0c\u800c\u4e0d\u662f\u81ea\u5b9a\u4e49\u6c61\u70b9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>node-role.kubernetes.io\/control-plane<\/code> \u662f key<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">value \u4e3a\u7a7a\uff0c\u6240\u4ee5\u5199\u6210 <code>=<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>NoSchedule<\/code> \u662f effect<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e09\u79cd effect \u7684\u533a\u522b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>NoSchedule<\/code>\uff1a\u4e0d\u518d\u8c03\u5ea6\u65b0\u7684\u3001\u4e0d\u5bb9\u5fcd\u8be5\u6c61\u70b9\u7684 Pod\uff1b\u4e0d\u5f71\u54cd\u5df2\u8fd0\u884c Pod\u3002\u63a7\u5236\u5e73\u9762\u9694\u79bb\u901a\u5e38\u9009\u8fd9\u4e2a\u3002<\/li>\n\n\n\n<li><code>PreferNoSchedule<\/code>\uff1a\u5c3d\u91cf\u4e0d\u8c03\u5ea6\uff0c\u4f46\u8d44\u6e90\u4e0d\u8db3\u65f6\u4ecd\u53ef\u80fd\u8c03\u5ea6\u3002<\/li>\n\n\n\n<li><code>NoExecute<\/code>\uff1a\u65e2\u7981\u6b62\u65b0\u8c03\u5ea6\uff0c\u4e5f\u4f1a\u9a71\u9010\u73b0\u6709\u4e0d\u5bb9\u5fcd\u8be5\u6c61\u70b9\u7684 Pod\uff0c\u4f7f\u7528\u8981\u8c28\u614e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A43_Cordon_%E2%80%94_%E6%A0%87%E8%AE%B0%E8%8A%82%E7%82%B9%E4%B8%8D%E5%8F%AF%E8%B0%83%E5%BA%A6\"><\/span>\u6b65\u9aa43: Cordon \u2014 \u6807\u8bb0\u8282\u70b9\u4e0d\u53ef\u8c03\u5ea6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cordon \u963b\u6b62\u65b0 Pod \u8c03\u5ea6\u5230\u8be5\u8282\u70b9\uff0c\u4f46\u4e0d\u9a71\u9010\u5df2\u6709 Pod\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u67e5\u770b\u5f53\u524d\u8282\u70b9\u540d<br>NODE=$(kubectl get nodes -o name | head -1 | cut -d\/ -f2)<br>echo \"\u76ee\u6807\u8282\u70b9: $NODE\"<br><br># Cordon\uff08\u5c01\u9501\u8282\u70b9\uff09<br>kubectl cordon $NODE<br>kubectl get nodes  # \u89c2\u5bdf STATUS \u5217\u51fa\u73b0 SchedulingDisabled<br><br># Uncordon\uff08\u53d6\u6d88\u5c01\u9501\uff09<br>kubectl uncordon $NODE<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A44_Drain_%E2%80%94_%E5%AE%89%E5%85%A8%E9%A9%B1%E9%80%90\"><\/span>\u6b65\u9aa44: Drain \u2014 \u5b89\u5168\u9a71\u9010<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Drain \u4f1a\u5148 cordon \u8282\u70b9\uff0c\u518d\u9010\u51fa\u6240\u6709 Pod\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u5b89\u5168\u9a71\u9010\uff08\u5ffd\u7565 DaemonSet \u548c emptyDir\uff09<br>kubectl drain $NODE --ignore-daemonsets --delete-emptydir-data --force<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Deployment \u7ba1\u7406\u7684 Pod \u4f1a\u5728\u5176\u4ed6\u8282\u70b9\u91cd\u5efa\uff0cDaemonSet \u7684 Pod \u4f1a\u88ab\u5ffd\u7565\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0cdrain \u64cd\u4f5c\u9700\u8981\u8c28\u614e\u2014\u2014\u786e\u4fdd\u6709\u8db3\u591f\u7684\u8d44\u6e90\u5728\u5176\u4ed6\u8282\u70b9\u4e0a\u91cd\u5efa Pod\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A45_%E8%8A%82%E7%82%B9%E6%A0%87%E7%AD%BE\"><\/span>\u6b65\u9aa45: \u8282\u70b9\u6807\u7b7e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u67e5\u770b\u8282\u70b9\u6807\u7b7e<br>kubectl get nodes --show-labels<br><br># \u6dfb\u52a0\u81ea\u5b9a\u4e49\u6807\u7b7e<br>kubectl label node $NODE disktype=ssd<br>#\u8fd9\u91cc\u53ef\u4ee5\u52a0\u4e0a--overwrite \u7528\u4e8e\u6807\u7b7e\u5df2\u5b58\u5728\u65f6\u8986\u76d6\u539f\u503c<br># \u7ed9\u591a\u4e2a\u5de5\u4f5c\u8282\u70b9\u6253\u540c\u4e00\u4e2a\u6807\u7b7e<br>kubectl label node k8s-w2-005 k8s-w2-006 pool=work<br><br>#\u9a8c\u8bc1\u81ea\u5b9a\u4e49\u6807\u7b7e<br>kubectl get nodes -l pool=work<br>kubectl get nodes --show-labels<br><br># \u5220\u9664\u6807\u7b7e\uff08key \u540e\u9762\u52a0\u51cf\u53f7\uff09<br>kubectl label node k8s-w5-008 pool-<br><br># \u4f7f\u7528 nodeSelector \u8c03\u5ea6 Pod \u5230\u7279\u5b9a\u8282\u70b9<br>kubectl run nginx-ssd --image=swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/nginx:alpine --dry-run=client -o yaml &gt; \/tmp\/ns.yaml<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6839\u636e\u547d\u4ee4\u751f\u6210\u4e00\u4e2a Pod YAML<\/li>\n\n\n\n<li><code>--dry-run=client<\/code> \u8868\u793a\u53ea\u751f\u6210\uff0c\u4e0d\u521b\u5efa Pod<\/li>\n\n\n\n<li><code>-o yaml<\/code> \u8868\u793a\u8f93\u51fa YAML<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8f91 <code>\/tmp\/ns.yaml<\/code>\uff0c\u6dfb\u52a0 nodeSelector\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">spec:<br>  nodeSelector:<br>    disktype: ssd<br>  containers:<br>  - name: nginx<br>    image: swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/nginx:alpine<br>    resources:<br>      requests: {cpu: 50m, memory: 64Mi}<br>      limits: {cpu: 200m, memory: 128Mi}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl uncordon $NODE  # \u786e\u4fdd\u8282\u70b9\u53ef\u8c03\u5ea6<br>kubectl apply -f \/tmp\/ns.yaml<br>kubectl get pod nginx-ssd -o wide  # \u9a8c\u8bc1\u8c03\u5ea6\u5230\u4e86 ssd \u8282\u70b9<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A46_%E6%B8%85%E7%90%86\"><\/span>\u6b65\u9aa46: \u6e05\u7406<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl delete pod nginx-ssd<br>kubectl label node $NODE disktype-<\/pre>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%BA%94%E7%94%A8%E9%83%A8%E7%BD%B2\"><\/span>\u5e94\u7528\u90e8\u7f72<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pod_%E6%B7%B1%E5%BA%A6%E8%A7%A3%E6%9E%90\"><\/span>Pod \u6df1\u5ea6\u89e3\u6790<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A41_%E7%90%86%E8%A7%A3_Pod_%E2%80%94_K8s_%E6%9C%80%E5%B0%8F%E8%B0%83%E5%BA%A6%E5%8D%95%E5%85%83\"><\/span>\u6b65\u9aa41: \u7406\u89e3 Pod \u2014 K8s \u6700\u5c0f\u8c03\u5ea6\u5355\u5143<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pod \u662f K8s \u4e2d\u6700\u5c0f\u7684\u90e8\u7f72\u548c\u8c03\u5ea6\u5355\u5143\u3002\u4e00\u4e2a Pod \u53ef\u4ee5\u5305\u542b 1 \u4e2a\u6216\u591a\u4e2a\u5bb9\u5668\uff0c\u8fd9\u4e9b\u5bb9\u5668\u5171\u4eab\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u548c\u5b58\u50a8\u5377\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5173\u952e\u7279\u6027\uff1a &#8211; <strong>\u5171\u4eab\u7f51\u7edc<\/strong>\uff1a\u540c\u4e00 Pod \u5185\u7684\u5bb9\u5668\u5171\u4eab IP \u548c\u7aef\u53e3\u7a7a\u95f4\uff08\u901a\u8fc7 localhost \u901a\u4fe1\uff09 &#8211; <strong>\u5171\u4eab\u5b58\u50a8<\/strong>\uff1aPod \u5185\u7684 Volume \u53ef\u88ab\u6240\u6709\u5bb9\u5668\u6302\u8f7d &#8211; <strong>\u539f\u5b50\u8c03\u5ea6<\/strong>\uff1aPod \u4f5c\u4e3a\u6574\u4f53\u88ab\u8c03\u5ea6\u5230\u540c\u4e00\u8282\u70b9<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A42_%E5%A4%9A%E5%AE%B9%E5%99%A8_Pod_%E2%80%94_Sidecar_%E6%A8%A1%E5%BC%8F\"><\/span>\u6b65\u9aa42: \u591a\u5bb9\u5668 Pod \u2014 Sidecar \u6a21\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">apiVersion: v1<br>kind: Pod<br>metadata:<br>  name: more-container<br>spec:<br>  containers:<br>  - name: app<br>    image: swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/busybox:latest<br>    command:<br>    - \/bin\/sh<br>    - -c<br>    - |<br>      while true; do<br>        echo \"$(date) - App Log\" &gt;&gt; \/var\/log\/app.log<br>        sleep 5<br>      done<br>    volumeMounts:<br>    - name: log<br>      mountPath: \/var\/log<br>    resources:<br>      requests: {cpu: 10m, memory: 32Mi}<br>      limits: {cpu: 100m, memory: 64Mi}<br>  - name: log-tailer<br>    image: swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/busybox:latest<br>    command: [\"\/bin\/sh\", \"-c\", \"tail -f \/var\/log\/app.log\"]<br>    volumeMounts:<br>    - name: log<br>      mountPath: \/var\/log<br>    resources:<br>      requests: {cpu: 10m, memory: 32Mi}<br>      limits: {cpu: 100m, memory: 64Mi}<br>  volumes:<br>  - name: log<br>    emptyDir: {}<br>kubectl apply -f manifest.yaml<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed3\u6784\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>app \u5bb9\u5668 \u8d1f\u8d23\u6301\u7eed\u5199\u5165\u65e5\u5fd7\u5230\/var\/log \u4e5f\u5c31\u662f\u6570\u636e\u5377log\uff0c\u65e5\u5fd7\u8f93\u51fa\u5230\u6587\u4ef6\u800c\u4e0d\u662f\u6807\u51c6\u8f93\u51fa\uff0c\u6240\u4ee5<code>kubectl logs more-container -c app<\/code> \u770b\u4e0d\u5230\u5bb9\u5668\u65e5\u5fd7<\/li>\n\n\n\n<li>log \u5bb9\u5668\u8d1f\u8d23\u8bfb\u53d6\u65e5\u5fd7\u6587\u4ef6\uff0c<code>tail -f<\/code> \u547d\u4ee4\u8f93\u51fa\u5230 <code>log-tailer<\/code> \u5bb9\u5668\u7684\u6807\u51c6\u8f93\u51fa\uff0c\u53ef\u4ee5\u7528kubectl logs \u67e5\u770b\u8f93\u51fa\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u79cd\u201cSidecar \u8bfb\u53d6\u5171\u4eab\u6587\u4ef6\uff0c\u518d\u8f93\u51fa\u5230\u81ea\u5df1\u7684 stdout\u201d\u662f Kubernetes \u5b98\u65b9\u6587\u6863\u63cf\u8ff0\u7684\u4e00\u79cd\u65e5\u5fd7\u65b9\u6848\u3002<a href=\"https:\/\/kubernetes.io\/docs\/concepts\/cluster-administration\/logging\/\">Kubernetes \u65e5\u5fd7\u67b6\u6784<\/a>\u4e0d\u8fc7\uff0c\u5982\u679c\u5e94\u7528\u672c\u8eab\u53ef\u4ee5\u76f4\u63a5\u8f93\u51fa\u65e5\u5fd7\uff0c\u901a\u5e38\u66f4\u63a8\u8350\u8ba9\u5e94\u7528\u76f4\u63a5\u5199 stdout\/stderr\uff0c\u800c\u4e0d\u662f\u5148\u5199\u6587\u4ef6\uff0c\u518d\u7531\u53e6\u4e00\u4e2a\u5bb9\u5668\u8bfb\u53d6\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4e24\u4e2a <code>volumeMounts<\/code> \u4f7f\u7528\u4e86\u540c\u4e00\u4e2a\u6570\u636e\u5377log\uff1b\u628a\u540d\u4e3a <code>log<\/code> \u7684 Volume \u6302\u8f7d\u5230\u4e86\u81ea\u5df1\u7684 <code>\/var\/log<\/code><\/li>\n\n\n\n<li><code>emptyDir: {}<\/code>\u8868\u793a\u58f0\u660e\u4e86\u4e00\u4e2a\u521d\u59cb\u4e3a\u7a7a\u7684\u4e34\u65f6\u6570\u636e\u5377<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u522b\u67e5\u770b\u4e24\u4e2a\u5bb9\u5668\u7684\u65e5\u5fd7\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl logs more-container -c app<br>kubectl logs more-container -c log-tailer<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A43_Init_Container_%E2%80%94_%E5%88%9D%E5%A7%8B%E5%8C%96%E5%AE%B9%E5%99%A8\"><\/span>\u6b65\u9aa43: Init Container \u2014 \u521d\u59cb\u5316\u5bb9\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Init Container \u5728\u5e94\u7528\u5bb9\u5668\u542f\u52a8\u524d\u6309\u987a\u5e8f\u6267\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">apiVersion: v1<br>kind: Pod<br>metadata:<br>  name: init-demo<br>spec:<br>  initContainers:<br>  - name: init-step1<br>    image: swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/busybox:latest<br>    command: [\"\/bin\/sh\", \"-c\", \"echo 'Step 1: Checking prerequisites...'; sleep 3; echo 'OK'\"]<br>  - name: init-step2<br>    image: swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/busybox:latest<br>    command: [\"\/bin\/sh\", \"-c\", \"echo 'Step 2: Preparing data...'; echo 'data ready' &gt; \/work\/data.txt; sleep 2\"]<br>    volumeMounts:<br>    - name: work<br>      mountPath: \/work<br>  containers:<br>  - name: app<br>    image: swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/busybox:latest<br>    command: [\"\/bin\/sh\", \"-c\", \"cat \/work\/data.txt; echo 'App running...'; sleep 3600\"]<br>    volumeMounts:<br>    - name: work<br>      mountPath: \/work<br>    resources:<br>      requests: {cpu: 10m, memory: 32Mi}<br>      limits: {cpu: 100m, memory: 64Mi}<br>  volumes:<br>  - name: work<br>    emptyDir: {}<br>kubectl apply -f manifest.yaml<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u7684yaml\u91cc\u9762\u662f\u987a\u5e8f\u542f\u52a8\u4e24\u4e2ainit\u5bb9\u5668\uff0c\u7136\u540e\u518d\u542f\u52a8\u4e1a\u52a1\u5bb9\u5668\uff0c\u90fd\u7528\u76f8\u540c\u7684\u6570\u636e\u5377<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>initContainers<\/code> \u9002\u5408\u201c\u6267\u884c\u5b8c\u6210\u540e\u624d\u80fd\u542f\u52a8\u4e3b\u7a0b\u5e8f\u201d\u7684\u524d\u7f6e\u4efb\u52a1\uff1b\u666e\u901a <code>containers<\/code> \u9002\u5408\u9700\u8981\u548c\u4e3b\u7a0b\u5e8f\u957f\u671f\u5e76\u884c\u8fd0\u884c\u7684 Sidecar\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e0a\u4e00\u4e2ayaml\u4e2d\uff0capp\u5148\u542f\u52a8\uff0clog\u624d\u80fd\u6b63\u5e38\u542f\u52a8\uff0c\u4f46\u662f <code>log-tailer<\/code> \u5fc5\u987b\u957f\u671f\u8fd0\u884c\uff0c\u6240\u4ee5\u4e0d\u80fd\u76f4\u63a5\u6539\u6210\u666e\u901a init container\uff0c\u4f46\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e2a init container \u6765\u9884\u5148\u521b\u5efa\u65e5\u5fd7\u6587\u4ef6\u3002\u628a\u4e0b\u9762\u7684\u90e8\u5206\u52a0\u8fdb\u53bb\uff0c\u548ccontainers\u540c\u7ea7\u5373\u53ef<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">  initContainers:<br>    - name: prepare-log<br>      image: swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/busybox:latest<br>      command:<br>        - \/bin\/sh<br>        - -c<br>        - touch \/var\/log\/app.log<br>      volumeMounts:<br>        - name: log<br>          mountPath: \/var\/log<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u89c2\u5bdf Init Container \u6267\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl get pods -w<br>kubectl logs init-demo -c init-step1<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A44_%E8%B5%84%E6%BA%90%E8%AF%B7%E6%B1%82%E4%B8%8E%E9%99%90%E5%88%B6\"><\/span>\u6b65\u9aa44: \u8d44\u6e90\u8bf7\u6c42\u4e0e\u9650\u5236<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u5b57\u6bb5<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u542b\u4e49<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u8d85\u6807\u540e\u679c<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">requests.cpu<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8c03\u5ea6\u4fdd\u8bc1\u7684 CPU<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e0d\u591f\u5219\u4e0d\u8c03\u5ea6<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">requests.memory<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8c03\u5ea6\u4fdd\u8bc1\u7684\u5185\u5b58<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e0d\u591f\u5219\u4e0d\u8c03\u5ea6<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">limits.cpu<\/td><td class=\"has-text-align-left\" data-align=\"left\">CPU \u4f7f\u7528\u4e0a\u9650<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u9650\u6d41(throttle)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">limits.memory<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5185\u5b58\u4f7f\u7528\u4e0a\u9650<\/td><td class=\"has-text-align-left\" data-align=\"left\">OOMKill\u2192\u91cd\u542f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A45_Pod_%E8%B0%83%E5%BA%A6_%E2%80%94_nodeSelector\"><\/span>\u6b65\u9aa45: Pod \u8c03\u5ea6 \u2014 nodeSelector<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl get nodes --show-labels<br>kubectl run scheduled-pod --image=swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/nginx:alpine --dry-run=client -o yaml<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 YAML \u4e2d\u6dfb\u52a0 nodeSelector\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">spec:<br>  nodeSelector:<br>    kubernetes.io\/os: linux<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A46_%E6%B8%85%E7%90%86-2\"><\/span>\u6b65\u9aa46: \u6e05\u7406<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl delete pod more-container init-demo<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Deployment_%E6%8E%A7%E5%88%B6%E5%99%A8%E5%AE%9E%E6%88%98\"><\/span>Deployment \u63a7\u5236\u5668\u5b9e\u6218<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A41_%E5%88%9B%E5%BB%BA%E4%BD%A0%E7%9A%84%E7%AC%AC%E4%B8%80%E4%B8%AA_Pod\"><\/span>\u6b65\u9aa41: \u521b\u5efa\u4f60\u7684\u7b2c\u4e00\u4e2a Pod<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9a8c\u73af\u5883\u7684 sandbox \u547d\u540d\u7a7a\u95f4\u914d\u7f6e\u4e86\u8d44\u6e90\u914d\u989d\uff0c\u521b\u5efa Pod \u65f6\u5fc5\u987b\u6307\u5b9a CPU \/ \u5185\u5b58\u7684 requests \u548c limits\u3002\u5c06\u4ee5\u4e0b YAML \u7c98\u8d34\u5230\u53f3\u4fa7\u7f16\u8f91\u5668\u4e2d\uff0c\u7136\u540e\u6267\u884c <code>kubectl apply -f manifest.yaml<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">apiVersion: v1<br>kind: Pod<br>metadata:<br>  name: my-nginx<br>spec:<br>  containers:<br>  - name: nginx<br>    image: harbor.sunnysfamily.cn:9443\/public\/nginx:1.29.0-alpine<br>    resources:<br>      requests:<br>        cpu: 50m<br>        memory: 64Mi<br>      limits:<br>        cpu: 200m<br>        memory: 128Mi<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b Pod \u72b6\u6001\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl get pods -o wide<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8f93\u51fa\u4e2d\u89c2\u5bdf\uff1aNAME\u3001READY\u3001STATUS\u3001RESTARTS\u3001AGE\u3001IP\u3001NODE\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A42_%E7%90%86%E8%A7%A3_Pod_%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F\"><\/span>\u6b65\u9aa42: \u7406\u89e3 Pod \u751f\u547d\u5468\u671f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pod \u6709\u4ee5\u4e0b\u51e0\u4e2a\u9636\u6bb5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Pending \u2192 Running \u2192 Succeeded\/Failed<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b Pod \u8be6\u7ec6\u4fe1\u606f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl describe pod my-nginx<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u70b9\u67e5\u770b Events \u90e8\u5206\uff0c\u53ef\u4ee5\u770b\u5230 Pod \u4ece\u8c03\u5ea6\u5230\u542f\u52a8\u7684\u5b8c\u6574\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A43_%E4%BD%BF%E7%94%A8_Deployment_%E7%AE%A1%E7%90%86%E5%89%AF%E6%9C%AC\"><\/span>\u6b65\u9aa43: \u4f7f\u7528 Deployment \u7ba1\u7406\u526f\u672c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Deployment \u63d0\u4f9b\u58f0\u660e\u5f0f\u66f4\u65b0\u548c\u81ea\u6108\u80fd\u529b\u3002\u5c06\u4ee5\u4e0b YAML \u7c98\u8d34\u5230\u53f3\u4fa7\u7f16\u8f91\u5668\uff0c\u7136\u540e\u6267\u884c <code>kubectl apply -f manifest.yaml<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">apiVersion: apps\/v1<br>kind: Deployment<br>metadata:<br>  name: web-app<br>spec:<br>  replicas: 3<br>  selector:<br>    matchLabels:<br>      app: web-app<br>  template:<br>    metadata:<br>      labels:<br>        app: web-app<br>    spec:<br>      containers:<br>      - name: nginx<br>        image: harbor.sunnysfamily.cn:9443\/public\/nginx:1.29.0-alpine<br>        resources:<br>          requests:<br>            cpu: 50m<br>            memory: 64Mi<br>          limits:<br>            cpu: 200m<br>            memory: 128Mi<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u4e00\u4e2a YAML \u91cc\uff0cPod \u5199 v1 \u800c Deployment \u5199 apps\/v1 \u5b83\u4eec\u672c\u6765\u5c31\u5c5e\u4e8e\u4e24\u5957\u4e0d\u540c\u7684 API<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u4f60\u5199\u7684<\/th><th>\u5b9e\u9645\u542b\u4e49<\/th><th>\u5b8c\u6574\u63a5\u53e3\u8def\u5f84<\/th><\/tr><\/thead><tbody><tr><td><code>v1<\/code><\/td><td>\u6838\u5fc3\u7ec4\uff08core \/ legacy group\uff09\uff0c\u7248\u672c v1<\/td><td><code>\/api\/v1\/...<\/code><\/td><\/tr><tr><td><code>apps\/v1<\/code><\/td><td>\u7ec4\u540d <code>apps<\/code>\uff0c\u7248\u672c <code>v1<\/code><\/td><td><code>\/apis\/apps\/v1\/...<\/code><\/td><\/tr><tr><td><code>batch\/v1<\/code><\/td><td>\u7ec4\u540d <code>batch<\/code>\uff0c\u7248\u672c <code>v1<\/code><\/td><td><code>\/apis\/batch\/v1\/...<\/code><\/td><\/tr><tr><td><code>networking.k8s.io\/v1<\/code><\/td><td>\u7ec4\u540d <code>networking.k8s.io<\/code><\/td><td><code>\/apis\/networking.k8s.io\/v1\/...<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b Deployment \u521b\u5efa\u7684\u8d44\u6e90\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl get deploy,rs,pods -l app=web-app<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u62c6\u6210\u4e24\u90e8\u5206\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl get deploy,rs,pods  \u548c  -l app=web-app<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u793a\u4e00\u6b21\u67e5\u770b\u4e09\u79cd\u8d44\u6e90\uff1a\u9017\u53f7\u53ea\u662f\u8868\u793a\u540c\u65f6\u67e5\u8be2\u591a\u79cd\u8d44\u6e90\uff0c\u5e76\u4e0d\u8868\u793a Kubernetes \u6309 Deployment \u2192 ReplicaSet \u2192 Pod \u7684\u5c42\u7ea7\u9012\u5f52\u67e5\u8be2\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>deploy<\/code>\uff1aDeployment<\/li>\n\n\n\n<li><code>rs<\/code>\uff1aReplicaSet<\/li>\n\n\n\n<li><code>pods<\/code>\uff1aPod<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u4f1a\u770b\u5230\uff1aDeployment \u2192 ReplicaSet \u2192 3 \u4e2a Pod\u3002\u8fd9\u662f K8s \u7684\u5c42\u7ea7\u7ba1\u7406\u5173\u7cfb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A44_%E8%87%AA%E6%84%88%E8%83%BD%E5%8A%9B%E9%AA%8C%E8%AF%81\"><\/span>\u6b65\u9aa44: \u81ea\u6108\u80fd\u529b\u9a8c\u8bc1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u624b\u52a8\u5220\u9664\u5176\u4e2d\u4e00\u4e2a Pod\uff0c\u89c2\u5bdf Deployment \u5982\u4f55\u81ea\u52a8\u6062\u590d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">POD=$(kubectl get pods -l app=web-app -o jsonpath='{.items[0].metadata.name}')<br>kubectl delete pod $POD<br>kubectl get pods -w<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6309 Ctrl+C \u505c\u6b62 watch\u3002\u53ef\u4ee5\u770b\u5230\u88ab\u5220\u7684 Pod \u88ab\u81ea\u52a8\u91cd\u5efa\uff0c\u800c\u5176\u4f59 Pod \u4e0d\u53d7\u5f71\u54cd\u2014\u2014\u8fd9\u662f K8s \u81ea\u6108\u80fd\u529b\u7684\u6838\u5fc3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A45_%E6%B0%B4%E5%B9%B3%E4%BC%B8%E7%BC%A9\"><\/span>\u6b65\u9aa45: \u6c34\u5e73\u4f38\u7f29<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl scale deployment web-app --replicas=5<br>kubectl get pods -l app=web-app<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6269\u5bb9\u662f\u5373\u65f6\u7684\uff0cK8s \u4f1a\u5728\u53ef\u7528\u8282\u70b9\u4e0a\u8c03\u5ea6\u65b0\u7684 Pod\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A46_%E6%BB%9A%E5%8A%A8%E6%9B%B4%E6%96%B0\"><\/span>\u6b65\u9aa46: \u6eda\u52a8\u66f4\u65b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u65b0\u5bb9\u5668\u955c\u50cf\u89e6\u53d1\u6eda\u52a8\u66f4\u65b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl set image deployment\/web-app nginx=crpi-xfeuebyl27sae6su.ap-northeast-1.personal.cr.aliyuncs.com\/linuxjkcn\/nginx:alpine<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6eda\u52a8\u66f4\u65b0\u4f1a\u9010\u4e2a\u66ff\u6362 Pod\uff0c\u4fdd\u8bc1\u670d\u52a1\u4e0d\u4e2d\u65ad\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u7684\u539f\u7406\u5c31\u662f\u65e7\u7684replicaset\u67095\u4e2apod\uff0c\u7136\u540e\u6267\u884c\u4fee\u6539\u65b0\u955c\u50cf\u5730\u5740\u7684\u547d\u4ee4\uff0c\u4f1a\u5f00\u59cb\u521b\u5efa\u4e00\u4e2a\u65b0\u7684replicaset\uff0c\u9010\u6b65\u589e\u52a0pod\u6570\u91cf\uff0c\u65e7\u7684replicaset\u9010\u6b65\u51cf\u5c11pod\u6570\u91cf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e7 ReplicaSet\uff1a5 -&gt; 4 -&gt; 3 -&gt; 2 -&gt; 1 -&gt; 0 \u65b0 ReplicaSet\uff1a0 -&gt; 1 -&gt; 2 -&gt; 3 -&gt; 4 -&gt; 5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e replicas: 5\uff1a \u9ed8\u8ba4\u7b56\u7565\u901a\u5e38\u5141\u8bb8\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>maxSurge: 25%<\/code> \u5141\u8bb8\u6682\u65f6\u5c11\u51e0\u4e2a\u53ef\u7528 Pod\uff1b\u6b64\u5904\u662f\u5411\u4e0a\u53d6\u6574\uff0c\u6700\u591a\u989d\u5916\u521b\u5efa 2 \u4e2a Pod<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>maxUnavailable: 25%<\/code>\u5141\u8bb8\u4e34\u65f6\u591a\u521b\u5efa\u51e0\u4e2a Pod \uff1b\u6b64\u5904\u662f25% \u5411\u4e0b\u53d6\u6574\uff0c\u6700\u591a\u5141\u8bb8 1 \u4e2a Pod \u4e0d\u53ef\u7528<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u66f4\u65b0\u671f\u95f4\u53ef\u80fd\u77ed\u6682\u5b58\u5728 6 \u6216 7 \u4e2a Pod\uff0c\u7136\u540e\u9010\u6b65\u7f29\u56de 5 \u4e2a\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BE%8B%E5%A6%82%E9%95%9C%E5%83%8F%E4%B8%8D%E5%AD%98%E5%9C%A8%E3%80%81%E4%BB%93%E5%BA%93%E8%AE%A4%E8%AF%81%E5%A4%B1%E8%B4%A5%EF%BC%9A\"><\/span>\u4f8b\u5982\u955c\u50cf\u4e0d\u5b58\u5728\u3001\u4ed3\u5e93\u8ba4\u8bc1\u5931\u8d25\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u65b0 Pod \u4f1a\u521b\u5efa\u5931\u8d25\uff0cDeployment \u4f1a\u7ee7\u7eed\u4fdd\u7559\u90e8\u5206\u65e7 Pod\uff0c\u4e0d\u4f1a\u7acb\u5373\u628a\u6240\u6709\u65e7 Pod \u5220\u9664\u3002\u8fd9\u6837\u53ef\u4ee5\u5c3d\u91cf\u4fdd\u8bc1\u539f\u7248\u672c\u4ecd\u7136\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#\u4f7f\u7528\u56de\u6eda\u547d\u4ee4<br>kubectl rollout undo deployment\/web-app<br>#\u67e5\u770b\u56de\u6eda\u72b6\u6001<br>kubectl rollout status deployment web-app<br>#\u67e5\u770b\u66f4\u65b0\u5386\u53f2\uff1a<br>kubectl rollout history deployment web-app<br>#\u56de\u6eda\u5230\u6307\u5b9a\u7248\u672c\uff1a<br>kubectl rollout undo deployment\/web-app --to-revision=2<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u60f3\u7ed9\u8fd9\u6b21\u56de\u6eda\u6dfb\u52a0\u8bf4\u660e\uff0c\u53ef\u4ee5\u5728\u56de\u6eda\u5b8c\u6210\u540e\u6dfb\u52a0\u6ce8\u89e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl annotate deployment\/web-app \\<br>  kubernetes.io\/change-cause=\"\u8fd9\u6b21\u64cd\u4f5c\u662f\u56de\u6eda\u5230\u7a33\u5b9a\u7248\u672c\" \\<br>  --overwrite<br>#\u5728\u4e0d\u540c Kubernetes\/kubectl \u7248\u672c\u4e2d\uff0ckubectl rollout history \u662f\u5426\u628a\u56de\u6eda\u540e\u7684\u8bf4\u660e\u7cbe\u786e\u663e\u793a\u5728\u5bf9\u5e94 revision \u4e0a\uff0c\u53ef\u80fd\u6709\u5dee\u5f02\u3002CHANGE-CAUSE \u53ea\u662f\u8bf4\u660e\u4fe1\u606f\uff0c\u4e0d\u53c2\u4e0e\u56de\u6eda\u903b\u8f91\u3002<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u63a8\u8350\u7684\u64cd\u4f5c\u4e60\u60ef\u662f\uff0c\u5728\u6267\u884c\u6bcf\u6b21\u7248\u672c\u53d8\u66f4\u524d\u5199\u6e05\u695a\u53d8\u66f4\u539f\u56e0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl annotate deployment\/web-app \\<br>  kubernetes.io\/change-cause=\"\u66f4\u65b0nginx\u955c\u50cf\u4e3aalpine\u7248\u672c\" \\<br>  --overwrite<br><br>kubectl set image deployment\/web-app \\<br>  nginx=...\/nginx:alpine<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56de\u6eda\u65f6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl rollout undo deployment\/web-app<br>kubectl rollout status deployment\/web-app<br><br>kubectl annotate deployment\/web-app \\<br>  kubernetes.io\/change-cause=\"\u5df2\u6267\u884c\u5b8c\u955c\u50cf\u56de\u6eda\u64cd\u4f5c\" \\<br>  --overwrite<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A47_%E6%9F%A5%E7%9C%8B_Pod_%E6%97%A5%E5%BF%97\"><\/span>\u6b65\u9aa47: \u67e5\u770b Pod \u65e5\u5fd7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl logs -l app=web-app --tail=20 --prefix<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>--prefix<\/code> \u4f1a\u5728\u6bcf\u884c\u524d\u663e\u793a Pod \u540d\u79f0\uff0c\u65b9\u4fbf\u533a\u5206\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A48_%E8%BF%9B%E5%85%A5%E5%AE%B9%E5%99%A8%E8%B0%83%E8%AF%95\"><\/span>\u6b65\u9aa48: \u8fdb\u5165\u5bb9\u5668\u8c03\u8bd5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl exec -it deployment\/web-app -- \/bin\/sh<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\uff1a\u8fd9\u91ccKubernetes \u4f1a\u5148\u6839\u636e Deployment \u7684 Pod \u6a21\u677f\u627e\u5230\u4e00\u4e2a\u53ef\u7528 Pod\uff0c\u7136\u540e\u9009\u62e9\u5176\u4e2d\u4e00\u4e2a\u6267\u884c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6307\u5b9a Pod\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl exec -it pod\/web-app-668db98c7f-552dz -- \/bin\/bash<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u8005\u7701\u7565 <code>pod\/<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl exec -it web-app-668db98c7f-552dz -- \/bin\/bash<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c Pod \u4e2d\u6709\u591a\u4e2a\u5bb9\u5668\uff0c\u9700\u8981\u4f7f\u7528 <code>-c<\/code> \u6307\u5b9a\u5bb9\u5668\u540d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl exec -it web-app-668db98c7f-552dz \\<br>  -c nginx \\<br>  -- \/bin\/bash<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bb9\u5668\u540d\u6765\u81ea YAML\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">containers:<br>  - name: nginx<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u53ef\u4ee5\u6307\u5b9a Deployment \u548c\u5bb9\u5668\uff0c\u4f46 Pod \u4ecd\u7136\u4f1a\u7531 Kubernetes \u81ea\u52a8\u9009\u62e9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl exec -it deployment\/web-app \\<br>  -c nginx \\<br>  -- \/bin\/sh<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">deployment\/web-app\uff1a\u6307\u5b9a Deployment\uff0c\u4f46\u4e0d\u6307\u5b9a\u5177\u4f53\u526f\u672c<br>pod\/xxx\uff1a\u6307\u5b9a\u5177\u4f53 Pod<br>-c nginx\uff1a\u6307\u5b9a Pod \u5185\u7684\u5177\u4f53\u5bb9\u5668<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5bb9\u5668\u5185\u8fd0\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">hostname<br>env | sort<br>df -h<br>exit<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A49_%E6%B8%85%E7%90%86%E8%B5%84%E6%BA%90\"><\/span>\u6b65\u9aa49: \u6e05\u7406\u8d44\u6e90<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl delete deployment web-app<br>kubectl delete pod my-nginx<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DaemonSet_%E4%B8%8E_StatefulSet\"><\/span>DaemonSet \u4e0e StatefulSet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A41_DaemonSet_%E2%80%94_%E6%AF%8F%E8%8A%82%E7%82%B9%E4%B8%80%E4%B8%AA_Pod\"><\/span>\u6b65\u9aa41: DaemonSet \u2014 \u6bcf\u8282\u70b9\u4e00\u4e2a Pod<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DaemonSet \u786e\u4fdd\u6240\u6709\uff08\u6216\u90e8\u5206\uff09\u8282\u70b9\u4e0a\u8fd0\u884c\u4e00\u4e2a Pod \u526f\u672c\uff1a &#8211; \u65e5\u5fd7\u91c7\u96c6\uff08Fluentd\u3001Filebeat\uff09 &#8211; \u76d1\u63a7\u4ee3\u7406\uff08node-exporter\uff09 &#8211; \u7f51\u7edc\u63d2\u4ef6\uff08Calico\u3001Flannel\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">apiVersion: apps\/v1<br>kind: DaemonSet<br>metadata:<br>  name: node-logger<br>spec:<br>  selector:<br>    matchLabels:<br>      app: logger<br>  template:<br>    metadata:<br>      labels:<br>        app: logger<br>    spec:<br>      containers:<br>      - name: logger<br>        image: swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/busybox:latest<br>        command:<br>        - \/bin\/sh<br>        - -c<br>        - |<br>          while true; do<br>            echo \"[$(hostname)] $(date)\" &gt;&gt; \/var\/log\/node.log<br>            sleep 10<br>          done<br>        resources:<br>          requests: {cpu: 50m, memory: 32Mi}<br>          limits: {cpu: 100m, memory: 64Mi}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl apply -f manifest.yaml<br>kubectl get pods -l app=logger -o wide<br># \u89c2\u5bdf NODE \u5217\uff0c\u6bcf\u4e2a\u8282\u70b9\u90fd\u6709\u4e00\u4e2a Pod<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A42_StatefulSet_%E2%80%94_%E6%9C%89%E7%8A%B6%E6%80%81%E5%BA%94%E7%94%A8\"><\/span>\u6b65\u9aa42: StatefulSet \u2014 \u6709\u72b6\u6001\u5e94\u7528<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">StatefulSet \u63d0\u4f9b\uff1a\u7a33\u5b9a\u7684\u7f51\u7edc\u6807\u8bc6\uff08name-0\/1\/2\uff09\u3001\u72ec\u7acb\u7684\u6301\u4e45\u5316\u5b58\u50a8\u3001\u6709\u5e8f\u7684\u90e8\u7f72\u548c\u7ec8\u6b62\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u7528\u4e8e\u5404\u79cd\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u505a\u4e3b\u4ece\uff0cpod\u540d\u4e0d\u53d8\uff0c\u5982\u679c\u505a\u4e3b\u4ece\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u65b9\u6848\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u72ec\u7acb\u6301\u4e45\u5377\uff1a\u914d\u7f6e volumeClaimTemplates<br>mysql-0 \u662f\u4e3b\u5e93\uff1a\u4e0d\u4f1a\u81ea\u52a8\uff0c\u9700\u8981\u6570\u636e\u5e93\u65b9\u6848\u51b3\u5b9a<br>\u9ed8\u8ba4\u542f\u52a8\u987a\u5e8f\uff1aOrderedReady\uff0c\u6709\u5e8f\u521b\u5efa<br>\u5e76\u884c\u542f\u52a8\uff1apodManagementPolicy: Parallel<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">apiVersion: v1<br>kind: Service<br>metadata: <br>  name: stateful-svc<br>spec: <br>  clusterIP: None<br>  selector:<br>    app: stateful-demo<br>  ports:<br>  - port: 80<br>---<br>apiVersion: v1<br>kind: Service<br>metadata:<br>  name: stateful-public<br>spec:<br>  type: NodePort<br>  selector:<br>    app: stateful-demo<br>  ports:<br>    - name: http<br>      port: 80<br>      targetPort: 80<br>      nodePort: 30081<br>---<br>apiVersion: apps\/v1<br>kind: StatefulSet<br>metadata:<br>  name: stateful-demo<br>spec:<br>  serviceName: stateful-svc<br>  replicas: 3<br>  selector:<br>    matchLabels: <br>      app: stateful-demo<br>  template:<br>    metadata:<br>      labels:<br>        app: stateful-demo<br>    spec:<br>      containers:<br>      - name: nginx<br>        image: swr.cn-north-4.myhuaweicloud.com\/ddn-k8s\/docker.io\/library\/nginx:alpine<br>        command: [\"\/bin\/sh\", \"-c\", \"echo Pod: $HOSTNAME &gt; \/usr\/share\/nginx\/html\/index.html; nginx -g 'daemon off;'\"]<br>        resources: <br>           requests: {cpu: 50m, memory: 64Mi}<br>           limits: {cpu: 200m, memory: 128Mi}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl get pods -w -l app=stateful-demo<br># \u770b\u5230 stateful-demo-0 \u2192 1 \u2192 2 \u4f9d\u6b21\u542f\u52a8<br>kubectl exec stateful-demo-0 -- hostname  # stateful-demo-0<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u6211\u628a\u539f\u6709\u793a\u4f8bservice\uff1a<code>stateful-svc<\/code> \u662f none\u7684Headless Service \u4e0d\u53d8\uff0c\u52a0\u4e86\u4e00\u4e2anodeport<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u7684\u662f\u4e3a\u4e86\u516c\u7f51\u8bbf\u95ee\u5176\u4e2d\u7684\u4e09\u4e2anginx\u7f51\u5740\uff0c\u800c\u672c\u673a\u5c5e\u4e8e\u5185\u7f51\u73af\u5883\uff0c\u6240\u4ee5\u4f7f\u7528nodeport + \u5185\u7f51\u7a7f\u900f\u7684\u65b9\u6848<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed9\u96c6\u7fa4\u5916\u90e8\u63d0\u4f9b\u4e00\u4e2a\u53ef\u4ee5\u8bbf\u95ee\u7684\u5165\u53e3\uff0c\u666e\u901a <code>ClusterIP<\/code> \u53ea\u80fd\u5728\u96c6\u7fa4\u5185\u90e8\u8bbf\u95ee<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>NodePort<\/code> \u7684\u6838\u5fc3\u4f5c\u7528\u4e0d\u662f\u8ba9 Pod \u4e4b\u95f4\u901a\u4fe1\uff0c\u800c\u662f\u628a Service \u66b4\u9732\u5230\u8282\u70b9 IP \u4e0a\uff0c\u65b9\u4fbf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9e\u9a8c\u73af\u5883\u5916\u90e8\u8bbf\u95ee<\/li>\n\n\n\n<li>\u5185\u7f51\u7a7f\u900f\u8f6c\u53d1<\/li>\n\n\n\n<li>\u6ca1\u6709\u4e91 LoadBalancer \u65f6\u63d0\u4f9b\u5165\u53e3<\/li>\n\n\n\n<li>\u4e34\u65f6\u6d4b\u8bd5 HTTP \u670d\u52a1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u751f\u4ea7\u73af\u5883\u901a\u5e38\u66f4\u63a8\u8350\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Ingress + Ingress Controller<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u8005\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">LoadBalancer Service<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a NodePort \u9700\u8981\u624b\u52a8\u7ba1\u7406\u8282\u70b9 IP \u548c\u7aef\u53e3\uff0c\u8def\u7531\u80fd\u529b\u548c\u5b89\u5168\u63a7\u5236\u4e5f\u6bd4\u8f83\u6709\u9650\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A43_%E6%8E%A7%E5%88%B6%E5%99%A8%E5%AF%B9%E6%AF%94\"><\/span>\u6b65\u9aa43: \u63a7\u5236\u5668\u5bf9\u6bd4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u63a7\u5236\u5668<\/th><th class=\"has-text-align-left\" data-align=\"left\">Pod \u6807\u8bc6<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u5b58\u50a8\u7279\u70b9<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u526f\u672c\u89c4\u5219<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u5178\u578b\u573a\u666f<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Deployment<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u968f\u673a\u540d\u79f0<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e0d\u8981\u6c42\u6301\u4e45\u5316\uff0c\u4e5f\u53ef\u6302\u8f7d PVC<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6307\u5b9a replicas<\/td><td class=\"has-text-align-left\" data-align=\"left\">Web\/API<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">StatefulSet<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u56fa\u5b9a\u5e8f\u53f7<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5e38\u89c1\u4e3a\u6bcf Pod \u72ec\u7acb PVC<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6307\u5b9a replicas<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6570\u636e\u5e93\/MQ<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">DaemonSet<\/td><td class=\"has-text-align-left\" data-align=\"left\">Pod \u540d\u79f0\u901a\u5e38\u542b\u8282\u70b9\u5173\u8054\u4fe1\u606f<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5e38\u89c1\u6302\u8f7d hostPath \u6216\u8282\u70b9\u8bbe\u5907<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6bcf\u4e2a\u7b26\u5408\u6761\u4ef6\u7684\u8282\u70b9\u4e00\u4e2a<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u65e5\u5fd7\/\u76d1\u63a7\/\u7f51\u7edc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%AD%A5%E9%AA%A44_%E6%B8%85%E7%90%86\"><\/span>\u6b65\u9aa44: \u6e05\u7406<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">kubectl delete statefulset stateful-demo<br>kubectl delete service stateful-svc<br>kubectl delete daemonset node-logger<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u96c6\u7fa4\u57fa\u7840 K8s \u67b6\u6784\u4e0e\u6838\u5fc3\u7ec4\u4ef6 \u6b65\u9aa41: \u7406\u89e3 Kubernetes \u67b6\u6784 Kubernetes \u662f\u4e00\u4e2a\u5bb9\u5668 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3324","post","type-post","status-publish","format-standard","hentry","category-vxhs888p"],"_links":{"self":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/3324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3324"}],"version-history":[{"count":1,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/3324\/revisions"}],"predecessor-version":[{"id":3325,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/3324\/revisions\/3325"}],"wp:attachment":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}