{"id":1578,"date":"2020-06-09T16:04:28","date_gmt":"2020-06-09T08:04:28","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1578"},"modified":"2020-06-09T16:04:28","modified_gmt":"2020-06-09T08:04:28","slug":"kubernetes-deployment","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1578","title":{"rendered":"Kubernetes Deployment"},"content":{"rendered":"<header class=\\\"entry-header\\\">\n<h1 class=\\\"entry-title\\\">Kubernetes Deployment<\/h1>\n<\/header>\n<div class=\\\"entry-content\\\">\n<div id=\\\"toc_container\\\" class=\\\"no_bullets\\\">\n<ul class=\\\"toc_list\\\">\n<li><span class=\\\"toc_number toc_depth_1\\\">1<\/span>\u00a0\u521b\u5efa Deployment\n<ul>\n<li><span class=\\\"toc_number toc_depth_2\\\">1.1<\/span>\u00a0Pod-template-hash label<\/li>\n<\/ul>\n<\/li>\n<li><span class=\\\"toc_number toc_depth_1\\\">2<\/span>\u00a0\u66f4\u65b0Deployment\n<ul>\n<li><span class=\\\"toc_number toc_depth_2\\\">2.1<\/span>\u00a0Rollover\uff08\u591a\u4e2arollout\u5e76\u884c\uff09<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">2.2<\/span>\u00a0Label selector \u66f4\u65b0<\/li>\n<\/ul>\n<\/li>\n<li><span class=\\\"toc_number toc_depth_1\\\">3<\/span>\u00a0\u56de\u9000Deployment\n<ul>\n<li><span class=\\\"toc_number toc_depth_2\\\">3.1<\/span>\u00a0\u68c0\u67e5 Deployment \u5347\u7ea7\u7684\u5386\u53f2\u8bb0\u5f55<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">3.2<\/span>\u00a0\u56de\u9000\u5230\u5386\u53f2\u7248\u672c<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">3.3<\/span>\u00a0\u6e05\u7406 Policy<\/li>\n<\/ul>\n<\/li>\n<li><span class=\\\"toc_number toc_depth_1\\\">4<\/span>\u00a0Deployment \u6269\u5bb9\n<ul>\n<li><span class=\\\"toc_number toc_depth_2\\\">4.1<\/span>\u00a0\u6bd4\u4f8b\u6269\u5bb9<\/li>\n<\/ul>\n<\/li>\n<li><span class=\\\"toc_number toc_depth_1\\\">5<\/span>\u00a0\u6682\u505c\u548c\u6062\u590dDeployment<\/li>\n<li><span class=\\\"toc_number toc_depth_1\\\">6<\/span>\u00a0Deployment \u72b6\u6001\n<ul>\n<li><span class=\\\"toc_number toc_depth_2\\\">6.1<\/span>\u00a0\u8fdb\u884c\u4e2d\u7684 Deployment<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">6.2<\/span>\u00a0\u5b8c\u6210\u7684 Deployment<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">6.3<\/span>\u00a0\u5931\u8d25\u7684 Deployment<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">6.4<\/span>\u00a0\u64cd\u4f5c\u5931\u8d25\u7684 Deployment<\/li>\n<\/ul>\n<\/li>\n<li><span class=\\\"toc_number toc_depth_1\\\">7<\/span>\u00a0\u6e05\u7406Policy<\/li>\n<li><span class=\\\"toc_number toc_depth_1\\\">8<\/span>\u00a0\u7528\u4f8b\n<ul>\n<li><span class=\\\"toc_number toc_depth_2\\\">8.1<\/span>\u00a0\u91d1\u4e1d\u96c0 Deployment<\/li>\n<\/ul>\n<\/li>\n<li><span class=\\\"toc_number toc_depth_1\\\">9<\/span>\u00a0\u7f16\u5199 Deployment Spec\n<ul>\n<li><span class=\\\"toc_number toc_depth_2\\\">9.1<\/span>\u00a0Pod Template<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">9.2<\/span>\u00a0Replicas<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">9.3<\/span>\u00a0Selector<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">9.4<\/span>\u00a0\u7b56\u7565\n<ul>\n<li><span class=\\\"toc_number toc_depth_3\\\">9.4.1<\/span>\u00a0Recreate Deployment<\/li>\n<li><span class=\\\"toc_number toc_depth_3\\\">9.4.2<\/span>\u00a0Rolling Update Deployment\n<ul>\n<li><span class=\\\"toc_number toc_depth_4\\\">9.4.2.1<\/span>\u00a0Max Unavailable<\/li>\n<li><span class=\\\"toc_number toc_depth_4\\\">9.4.2.2<\/span>\u00a0Max Surge<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">9.5<\/span>\u00a0Progress Deadline Seconds<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">9.6<\/span>\u00a0Min Ready Seconds<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">9.7<\/span>\u00a0Rollback To\n<ul>\n<li><span class=\\\"toc_number toc_depth_3\\\">9.7.1<\/span>\u00a0Revision<\/li>\n<\/ul>\n<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">9.8<\/span>\u00a0Revision History Limit<\/li>\n<li><span class=\\\"toc_number toc_depth_2\\\">9.9<\/span>\u00a0Paused<\/li>\n<\/ul>\n<\/li>\n<li><span class=\\\"toc_number toc_depth_1\\\">10<\/span>\u00a0Deployment \u7684\u66ff\u4ee3\u9009\u62e9\n<ul>\n<li><span class=\\\"toc_number toc_depth_2\\\">10.1<\/span>\u00a0kubectl rolling update<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<p>Deployment\u4e3aPod\u548cReplica Set\uff08\u5347\u7ea7\u7248\u7684\u00a0Replication Controller\uff09\u63d0\u4f9b\u58f0\u660e\u5f0f\u66f4\u65b0\u3002<br \/>\n\u4f60\u53ea\u9700\u8981\u5728 Deployment \u4e2d\u63cf\u8ff0\u60a8\u60f3\u8981\u7684\u76ee\u6807\u72b6\u6001\u662f\u4ec0\u4e48\uff0cDeployment controller \u5c31\u4f1a\u5e2e\u60a8\u5c06 Pod \u548cReplicaSet \u7684\u5b9e\u9645\u72b6\u6001\u6539\u53d8\u5230\u60a8\u7684\u76ee\u6807\u72b6\u6001\u3002\u60a8\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u5168\u65b0\u7684 Deployment \u6765\u521b\u5efa ReplicaSet \u6216\u8005\u5220\u9664\u5df2\u6709\u7684 Deployment \u5e76\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6765\u66ff\u6362\u3002<br \/>\n\u6ce8\u610f\uff1a\u60a8\u4e0d\u8be5\u624b\u52a8\u7ba1\u7406\u7531 Deployment \u521b\u5efa\u7684\u00a0Replica Set\uff0c\u5426\u5219\u60a8\u5c31\u7be1\u8d8a\u4e86 Deployment controller \u7684\u804c\u8d23\uff01\u4e0b\u6587\u7f57\u5217\u4e86 Deployment \u5bf9\u8c61\u4e2d\u5df2\u7ecf\u8986\u76d6\u4e86\u6240\u6709\u7684\u7528\u4f8b\u3002\u5982\u679c\u672a\u6709\u8986\u76d6\u60a8\u6240\u6709\u9700\u8981\u7684\u7528\u4f8b\uff0c\u8bf7\u76f4\u63a5\u5728 Kubernetes \u7684\u4ee3\u7801\u5e93\u4e2d\u63d0 issue\u3002<br \/>\n\u5178\u578b\u7684\u7528\u4f8b\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528Deployment\u6765\u521b\u5efaReplicaSet\u3002ReplicaSet\u5728\u540e\u53f0\u521b\u5efapod\u3002\u68c0\u67e5\u542f\u52a8\u72b6\u6001\uff0c\u770b\u5b83\u662f\u6210\u529f\u8fd8\u662f\u5931\u8d25\u3002<\/li>\n<li>\u7136\u540e\uff0c\u901a\u8fc7\u66f4\u65b0Deployment\u7684PodTemplateSpec\u5b57\u6bb5\u6765\u58f0\u660ePod\u7684\u65b0\u72b6\u6001\u3002\u8fd9\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684ReplicaSet\uff0cDeployment\u4f1a\u6309\u7167\u63a7\u5236\u7684\u901f\u7387\u5c06pod\u4ece\u65e7\u7684ReplicaSet\u79fb\u52a8\u5230\u65b0\u7684ReplicaSet\u4e2d\u3002<\/li>\n<li>\u5982\u679c\u5f53\u524d\u72b6\u6001\u4e0d\u7a33\u5b9a\uff0c\u56de\u6eda\u5230\u4e4b\u524d\u7684Deployment revision\u3002\u6bcf\u6b21\u56de\u6eda\u90fd\u4f1a\u66f4\u65b0Deployment\u7684revision\u3002<\/li>\n<li>\u6269\u5bb9Deployment\u4ee5\u6ee1\u8db3\u66f4\u9ad8\u7684\u8d1f\u8f7d\u3002<\/li>\n<li>\u6682\u505cDeployment\u6765\u5e94\u7528PodTemplateSpec\u7684\u591a\u4e2a\u4fee\u590d\uff0c\u7136\u540e\u6062\u590d\u4e0a\u7ebf\u3002<\/li>\n<li>\u6839\u636eDeployment \u7684\u72b6\u6001\u5224\u65ad\u4e0a\u7ebf\u662f\u5426hang\u4f4f\u4e86\u3002<\/li>\n<li>\u6e05\u9664\u65e7\u7684\u4e0d\u5fc5\u8981\u7684 ReplicaSet\u3002<\/li>\n<\/ul>\n<h2 id=\\\"\u521b\u5efa-deployment\\\"><span id=\\\"_Deployment\\\">\u521b\u5efa Deployment<\/span><\/h2>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a Deployment \u793a\u4f8b\uff0c\u5b83\u521b\u5efa\u4e86\u4e00\u4e2a ReplicaSet \u6765\u542f\u52a83\u4e2a nginx pod\u3002<br \/>\n\u4e0b\u8f7d\u793a\u4f8b\u6587\u4ef6\u5e76\u6267\u884c\u547d\u4ee4\uff1a<\/p>\n<pre>$ kubectl create -f https:\/\/kubernetes.io\/docs\/user-guide\/nginx-deployment.yaml --record\ndeployment \\\"nginx-deployment\\\" created\n<\/pre>\n<p>\u5c06kubectl\u7684\u00a0&#8211;record\u00a0\u7684 flag \u8bbe\u7f6e\u4e3a\u00a0true\u53ef\u4ee5\u5728 annotation \u4e2d\u8bb0\u5f55\u5f53\u524d\u547d\u4ee4\u521b\u5efa\u6216\u8005\u5347\u7ea7\u4e86\u8be5\u8d44\u6e90\u3002\u8fd9\u5728\u672a\u6765\u4f1a\u5f88\u6709\u7528\uff0c\u4f8b\u5982\uff0c\u67e5\u770b\u5728\u6bcf\u4e2a Deployment revision \u4e2d\u6267\u884c\u4e86\u54ea\u4e9b\u547d\u4ee4\u3002<br \/>\n\u7136\u540e\u7acb\u5373\u6267\u884c\u00a0get\u00a0\u5c06\u83b7\u5f97\u5982\u4e0b\u7ed3\u679c\uff1a<\/p>\n<pre>$ kubectl get deployments\nNAME               DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE\nnginx-deployment   3         0         0            0           1s\n<\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\u8868\u660e\u6211\u4eec\u5e0c\u671b\u7684repalica\u6570\u662f3\uff08\u6839\u636edeployment\u4e2d\u7684.spec.replicas\u914d\u7f6e\uff09\u5f53\u524dreplica\u6570\uff08\u00a0.status.replicas\uff09\u662f0, \u6700\u65b0\u7684replica\u6570\uff08.status.updatedReplicas\uff09\u662f0\uff0c\u53ef\u7528\u7684replica\u6570\uff08.status.availableReplicas\uff09\u662f0\u3002<br \/>\n\u8fc7\u51e0\u79d2\u540e\u518d\u6267\u884cget\u547d\u4ee4\uff0c\u5c06\u83b7\u5f97\u5982\u4e0b\u8f93\u51fa\uff1a<\/p>\n<pre>$ kubectl get deployments\nNAME               DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE\nnginx-deployment   3         3         3            3           18s\n<\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u770b\u5230Deployment\u5df2\u7ecf\u521b\u5efa\u4e863\u4e2a replica\uff0c\u6240\u6709\u7684 replica \u90fd\u5df2\u7ecf\u662f\u6700\u65b0\u7684\u4e86\uff08\u5305\u542b\u6700\u65b0\u7684pod template\uff09\uff0c\u53ef\u7528\u7684\uff08\u6839\u636eDeployment\u4e2d\u7684.spec.minReadySeconds\u58f0\u660e\uff0c\u5904\u4e8e\u5df2\u5c31\u7eea\u72b6\u6001\u7684pod\u7684\u6700\u5c11\u4e2a\u6570\uff09\u3002\u6267\u884ckubectl get rs\u548ckubectl get pods\u4f1a\u663e\u793aReplica Set\uff08RS\uff09\u548cPod\u5df2\u521b\u5efa\u3002<\/p>\n<pre>$ kubectl get rs\nNAME                          DESIRED   CURRENT   READY   AGE\nnginx-deployment-2035384211   3         3         0       18s\n<\/pre>\n<p>\u60a8\u53ef\u80fd\u4f1a\u6ce8\u610f\u5230 ReplicaSet \u7684\u540d\u5b57\u603b\u662f&lt;Deployment\u7684\u540d\u5b57&gt;-&lt;pod template\u7684hash\u503c&gt;\u3002<\/p>\n<pre>$ kubectl get pods --show-labels\nNAME                                READY     STATUS    RESTARTS   AGE       LABELS\nnginx-deployment-2035384211-7ci7o   1\/1       Running   0          18s       app=nginx,pod-template-hash=2035384211\nnginx-deployment-2035384211-kzszj   1\/1       Running   0          18s       app=nginx,pod-template-hash=2035384211\nnginx-deployment-2035384211-qqcnn   1\/1       Running   0          18s       app=nginx,pod-template-hash=2035384211\n<\/pre>\n<p>\u521a\u521b\u5efa\u7684Replica Set\u5c06\u4fdd\u8bc1\u603b\u662f\u67093\u4e2a nginx \u7684 pod \u5b58\u5728\u3002<br \/>\n\u6ce8\u610f\uff1a\u00a0\u60a8\u5fc5\u987b\u5728 Deployment \u4e2d\u7684 selector \u6307\u5b9a\u6b63\u786e\u7684 pod template label\uff08\u5728\u8be5\u793a\u4f8b\u4e2d\u662f\u00a0app = nginx\uff09\uff0c\u4e0d\u8981\u8ddf\u5176\u4ed6\u7684 controller \u7684 selector \u4e2d\u6307\u5b9a\u7684 pod template label \u641e\u6df7\u4e86\uff08\u5305\u62ec Deployment\u3001Replica Set\u3001Replication Controller \u7b49\uff09\u3002Kubernetes \u672c\u8eab\u5e76\u4e0d\u4f1a\u963b\u6b62\u60a8\u4efb\u610f\u6307\u5b9a pod template label\u00a0\uff0c\u4f46\u662f\u5982\u679c\u60a8\u771f\u7684\u8fd9\u4e48\u505a\u4e86\uff0c\u8fd9\u4e9b controller \u4e4b\u95f4\u4f1a\u76f8\u4e92\u6253\u67b6\uff0c\u5e76\u53ef\u80fd\u5bfc\u81f4\u4e0d\u6b63\u786e\u7684\u884c\u4e3a\u3002<\/p>\n<h3 id=\\\"pod-template-hash-label\\\"><span id=\\\"Pod-template-hash_label\\\">Pod-template-hash label<\/span><\/h3>\n<p>\u6ce8\u610f\uff1a\u8fd9\u4e2a\u00a0label\u00a0\u4e0d\u662f\u7528\u6237\u6307\u5b9a\u7684\uff01<br \/>\n\u6ce8\u610f\u4e0a\u9762\u793a\u4f8b\u8f93\u51fa\u4e2d\u7684 pod label \u91cc\u7684 pod-template-hash label\u3002\u5f53 Deployment \u521b\u5efa\u6216\u8005\u63a5\u7ba1 ReplicaSet \u65f6\uff0cDeployment controller \u4f1a\u81ea\u52a8\u4e3a Pod \u6dfb\u52a0 pod-template-hash label\u3002\u8fd9\u6837\u505a\u7684\u76ee\u7684\u662f\u9632\u6b62 Deployment \u7684\u5b50ReplicaSet \u7684 pod \u540d\u5b57\u91cd\u590d\u3002\u901a\u8fc7\u5c06 ReplicaSet \u7684 PodTemplate \u8fdb\u884c\u54c8\u5e0c\u6563\u5217\uff0c\u4f7f\u7528\u751f\u6210\u7684\u54c8\u5e0c\u503c\u4f5c\u4e3a label \u7684\u503c\uff0c\u5e76\u6dfb\u52a0\u5230 ReplicaSet selector \u91cc\u3001 pod template label \u548c ReplicaSet \u7ba1\u7406\u4e2d\u7684 Pod \u4e0a\u3002<\/p>\n<h2 id=\\\"\u66f4\u65b0deployment\\\"><span id=\\\"Deployment\\\">\u66f4\u65b0Deployment<\/span><\/h2>\n<p>\u6ce8\u610f\uff1a\u00a0Deployment \u7684 rollout \u5f53\u4e14\u4ec5\u5f53 Deployment \u7684 pod template\uff08\u4f8b\u5982.spec.template\uff09\u4e2d\u7684label\u66f4\u65b0\u6216\u8005\u955c\u50cf\u66f4\u6539\u65f6\u88ab\u89e6\u53d1\u3002\u5176\u4ed6\u66f4\u65b0\uff0c\u4f8b\u5982\u6269\u5bb9Deployment\u4e0d\u4f1a\u89e6\u53d1 rollout\u3002<br \/>\n\u5047\u5982\u6211\u4eec\u73b0\u5728\u60f3\u8981\u8ba9 nginx pod \u4f7f\u7528nginx:1.9.1\u7684\u955c\u50cf\u6765\u4ee3\u66ff\u539f\u6765\u7684nginx:1.7.9\u7684\u955c\u50cf\u3002<\/p>\n<pre>$ kubectl set image deployment\/nginx-deployment nginx=nginx:1.9.1\ndeployment \\\"nginx-deployment\\\" image updated\n<\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528edit\u547d\u4ee4\u6765\u7f16\u8f91 Deployment\uff0c\u4fee\u6539\u00a0.spec.template.spec.containers[0].image\u00a0\uff0c\u5c06nginx:1.7.9\u00a0\u6539\u5199\u6210\u00a0nginx:1.9.1\u3002<\/p>\n<pre>$ kubectl edit deployment\/nginx-deployment\ndeployment \\\"nginx-deployment\\\" edited\n<\/pre>\n<p>\u67e5\u770b rollout \u7684\u72b6\u6001\uff0c\u53ea\u8981\u6267\u884c\uff1a<\/p>\n<pre>$ kubectl rollout status deployment\/nginx-deployment\nWaiting for rollout to finish: 2 out of 3 new replicas have been updated...\ndeployment \\\"nginx-deployment\\\" successfully rolled out\n<\/pre>\n<p>Rollout \u6210\u529f\u540e\uff0cget\u00a0Deployment\uff1a<\/p>\n<pre>$ kubectl get deployments\nNAME               DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE\nnginx-deployment   3         3         3            3           36s\n<\/pre>\n<p>UP-TO-DATE \u7684 replica \u7684\u6570\u76ee\u5df2\u7ecf\u8fbe\u5230\u4e86\u914d\u7f6e\u4e2d\u8981\u6c42\u7684\u6570\u76ee\u3002<br \/>\nCURRENT \u7684 replica \u6570\u8868\u793a Deployment \u7ba1\u7406\u7684 replica \u6570\u91cf\uff0cAVAILABLE \u7684 replica \u6570\u662f\u5f53\u524d\u53ef\u7528\u7684replica\u6570\u91cf\u3002<br \/>\n\u6211\u4eec\u901a\u8fc7\u6267\u884ckubectl get rs\u53ef\u4ee5\u770b\u5230 Deployment \u66f4\u65b0\u4e86Pod\uff0c\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 ReplicaSet \u5e76\u6269\u5bb9\u4e863\u4e2a replica\uff0c\u540c\u65f6\u5c06\u539f\u6765\u7684 ReplicaSet \u7f29\u5bb9\u5230\u4e860\u4e2a replica\u3002<\/p>\n<pre>$ kubectl get rs\nNAME                          DESIRED   CURRENT   READY   AGE\nnginx-deployment-1564180365   3         3         0       6s\nnginx-deployment-2035384211   0         0         0       36s\n<\/pre>\n<p>\u6267\u884c\u00a0get pods\u53ea\u4f1a\u770b\u5230\u5f53\u524d\u7684\u65b0\u7684 pod:<\/p>\n<pre>$ kubectl get pods\nNAME                                READY     STATUS    RESTARTS   AGE\nnginx-deployment-1564180365-khku8   1\/1       Running   0          14s\nnginx-deployment-1564180365-nacti   1\/1       Running   0          14s\nnginx-deployment-1564180365-z9gth   1\/1       Running   0          14s\n<\/pre>\n<p>\u4e0b\u6b21\u66f4\u65b0\u8fd9\u4e9b pod \u7684\u65f6\u5019\uff0c\u53ea\u9700\u8981\u66f4\u65b0 Deployment \u4e2d\u7684 pod \u7684 template \u5373\u53ef\u3002<br \/>\nDeployment \u53ef\u4ee5\u4fdd\u8bc1\u5728\u5347\u7ea7\u65f6\u53ea\u6709\u4e00\u5b9a\u6570\u91cf\u7684 Pod \u662f down \u7684\u3002\u9ed8\u8ba4\u7684\uff0c\u5b83\u4f1a\u786e\u4fdd\u81f3\u5c11\u6709\u6bd4\u671f\u671b\u7684Pod\u6570\u91cf\u5c11\u4e00\u4e2a\u662fup\u72b6\u6001\uff08\u6700\u591a\u4e00\u4e2a\u4e0d\u53ef\u7528\uff09\u3002<br \/>\nDeployment \u540c\u65f6\u4e5f\u53ef\u4ee5\u786e\u4fdd\u53ea\u521b\u5efa\u51fa\u8d85\u8fc7\u671f\u671b\u6570\u91cf\u7684\u4e00\u5b9a\u6570\u91cf\u7684 Pod\u3002\u9ed8\u8ba4\u7684\uff0c\u5b83\u4f1a\u786e\u4fdd\u6700\u591a\u6bd4\u671f\u671b\u7684Pod\u6570\u91cf\u591a\u4e00\u4e2a\u7684 Pod \u662f up \u7684\uff08\u6700\u591a1\u4e2a surge \uff09\u3002<br \/>\n\u5728\u672a\u6765\u7684 Kuberentes \u7248\u672c\u4e2d\uff0c\u5c06\u4ece1-1\u53d8\u621025%-25%\u3002<br \/>\n\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u81ea\u5df1\u770b\u4e0b\u4e0a\u9762\u7684 Deployment\uff0c\u60a8\u4f1a\u53d1\u73b0\uff0c\u5f00\u59cb\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Pod\uff0c\u7136\u540e\u5220\u9664\u4e00\u4e9b\u65e7\u7684 Pod \u518d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u3002\u5f53\u65b0\u7684Pod\u521b\u5efa\u51fa\u6765\u4e4b\u524d\u4e0d\u4f1a\u6740\u6389\u65e7\u7684Pod\u3002\u8fd9\u6837\u80fd\u591f\u786e\u4fdd\u53ef\u7528\u7684 Pod \u6570\u91cf\u81f3\u5c11\u67092\u4e2a\uff0cPod\u7684\u603b\u6570\u6700\u591a4\u4e2a\u3002<\/p>\n<pre>$ kubectl describe deployments\nName:           nginx-deployment\nNamespace:      default\nCreationTimestamp:  Tue, 15 Mar 2016 12:01:06 -0700\nLabels:         app=nginx\nSelector:       app=nginx\nReplicas:       3 updated | 3 total | 3 available | 0 unavailable\nStrategyType:       RollingUpdate\nMinReadySeconds:    0\nRollingUpdateStrategy:  1 max unavailable, 1 max surge\nOldReplicaSets:     &lt;none&gt;\nNewReplicaSet:      nginx-deployment-1564180365 (3\/3 replicas created)\nEvents:\n  FirstSeen LastSeen    Count   From                     SubobjectPath   Type        Reason              Message\n  --------- --------    -----   ----                     -------------   --------    ------              -------\n  36s       36s         1       {deployment-controller }                 Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-2035384211 to 3\n  23s       23s         1       {deployment-controller }                 Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-1564180365 to 1\n  23s       23s         1       {deployment-controller }                 Normal      ScalingReplicaSet   Scaled down replica set nginx-deployment-2035384211 to 2\n  23s       23s         1       {deployment-controller }                 Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-1564180365 to 2\n  21s       21s         1       {deployment-controller }                 Normal      ScalingReplicaSet   Scaled down replica set nginx-deployment-2035384211 to 0\n  21s       21s         1       {deployment-controller }                 Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-1564180365 to 3\n<\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5f53\u6211\u4eec\u521a\u5f00\u59cb\u521b\u5efa\u8fd9\u4e2a Deployment \u7684\u65f6\u5019\uff0c\u521b\u5efa\u4e86\u4e00\u4e2a ReplicaSet\uff08nginx-deployment-2035384211\uff09\uff0c\u5e76\u76f4\u63a5\u6269\u5bb9\u5230\u4e863\u4e2a replica\u3002<br \/>\n\u5f53\u6211\u4eec\u66f4\u65b0\u8fd9\u4e2a Deployment \u7684\u65f6\u5019\uff0c\u5b83\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 ReplicaSet\uff08nginx-deployment-1564180365\uff09\uff0c\u5c06\u5b83\u6269\u5bb9\u52301\u4e2areplica\uff0c\u7136\u540e\u7f29\u5bb9\u539f\u5148\u7684 ReplicaSet \u52302\u4e2a replica\uff0c\u6b64\u65f6\u6ee1\u8db3\u81f3\u5c112\u4e2a Pod \u662f\u53ef\u7528\u72b6\u6001\uff0c\u540c\u4e00\u65f6\u523b\u6700\u591a\u67094\u4e2a Pod \u5904\u4e8e\u521b\u5efa\u7684\u72b6\u6001\u3002<br \/>\n\u63a5\u7740\u7ee7\u7eed\u4f7f\u7528\u76f8\u540c\u7684 rolling update \u7b56\u7565\u6269\u5bb9\u65b0\u7684 ReplicaSet \u548c\u7f29\u5bb9\u65e7\u7684 ReplicaSet\u3002\u6700\u7ec8\uff0c\u5c06\u4f1a\u5728\u65b0\u7684 ReplicaSet \u4e2d\u67093\u4e2a\u53ef\u7528\u7684 replica\uff0c\u65e7\u7684 ReplicaSet \u7684 replica \u6570\u76ee\u53d8\u62100\u3002<\/p>\n<h3 id=\\\"rollover\uff08\u591a\u4e2arollout\u5e76\u884c\uff09\\\"><span id=\\\"Rolloverrollout\\\">Rollover\uff08\u591a\u4e2arollout\u5e76\u884c\uff09<\/span><\/h3>\n<p>\u6bcf\u5f53 Deployment controller \u89c2\u6d4b\u5230\u6709\u65b0\u7684 deployment \u88ab\u521b\u5efa\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u5df2\u5b58\u5728\u7684 ReplicaSet \u6765\u521b\u5efa\u671f\u671b\u4e2a\u6570\u7684 Pod \u7684\u8bdd\uff0c\u5c31\u4f1a\u521b\u5efa\u51fa\u4e00\u4e2a\u65b0\u7684 ReplicaSet \u6765\u505a\u8fd9\u4ef6\u4e8b\u3002\u5df2\u5b58\u5728\u7684 ReplicaSet \u63a7\u5236 label \u4e0e.spec.selector\u5339\u914d\u4f46\u662f template \u8ddf.spec.template\u4e0d\u5339\u914d\u7684 Pod \u7f29\u5bb9\u3002\u6700\u7ec8\uff0c\u65b0\u7684 ReplicaSet \u5c06\u4f1a\u6269\u5bb9\u51fa.spec.replicas\u6307\u5b9a\u6570\u76ee\u7684 Pod\uff0c\u65e7\u7684 ReplicaSet \u4f1a\u7f29\u5bb9\u52300\u3002<br \/>\n\u5982\u679c\u60a8\u66f4\u65b0\u4e86\u4e00\u4e2a\u7684\u5df2\u5b58\u5728\u5e76\u6b63\u5728\u8fdb\u884c\u4e2d\u7684 Deployment\uff0c\u6bcf\u6b21\u66f4\u65b0 Deployment\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 ReplicaSet\u5e76\u6269\u5bb9\u5b83\uff0c\u540c\u65f6\u56de\u6eda\u4e4b\u524d\u6269\u5bb9\u7684 ReplicaSet \u2014\u2014\u5c06\u5b83\u6dfb\u52a0\u5230\u65e7\u7684 ReplicaSet \u5217\u8868\u4e2d\uff0c\u5f00\u59cb\u7f29\u5bb9\u3002<br \/>\n\u4f8b\u5982\uff0c\u5047\u5982\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a\u67095\u4e2aniginx:1.7.9\u00a0replica\u7684 Deployment\uff0c\u4f46\u662f\u5f53\u8fd8\u53ea\u67093\u4e2anginx:1.7.9\u7684 replica \u521b\u5efa\u51fa\u6765\u7684\u65f6\u5019\u60a8\u5c31\u5f00\u59cb\u66f4\u65b0\u542b\u67095\u4e2anginx:1.9.1\u00a0replica \u7684 Deployment\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cDeployment \u4f1a\u7acb\u5373\u6740\u6389\u5df2\u521b\u5efa\u76843\u4e2anginx:1.7.9\u7684 Pod\uff0c\u5e76\u5f00\u59cb\u521b\u5efanginx:1.9.1\u7684 Pod\u3002\u5b83\u4e0d\u4f1a\u7b49\u5230\u6240\u6709\u76845\u4e2anginx:1.7.9\u7684 Pod \u90fd\u521b\u5efa\u5b8c\u6210\u540e\u624d\u5f00\u59cb\u6539\u53d8\u822a\u9053\u3002<\/p>\n<h3 id=\\\"label-selector-\u66f4\u65b0\\\"><span id=\\\"Label_selector\\\">Label selector \u66f4\u65b0<\/span><\/h3>\n<p>\u6211\u4eec\u901a\u5e38\u4e0d\u9f13\u52b1\u66f4\u65b0\u00a0label selector\uff0c\u6211\u4eec\u5efa\u8bae\u5b9e\u73b0\u89c4\u5212\u597d\u60a8\u7684 selector\u3002<br \/>\n\u4efb\u4f55\u60c5\u51b5\u4e0b\uff0c\u53ea\u8981\u60a8\u60f3\u8981\u6267\u884c label selector \u7684\u66f4\u65b0\uff0c\u8bf7\u4e00\u5b9a\u8981\u8c28\u614e\u5e76\u786e\u8ba4\u60a8\u5df2\u7ecf\u9884\u6599\u5230\u6240\u6709\u53ef\u80fd\u56e0\u6b64\u5bfc\u81f4\u7684\u540e\u679c\u3002<\/p>\n<ul>\n<li>\u589e\u6dfb selector \u9700\u8981\u540c\u65f6\u5728 Deployment \u7684 spec \u4e2d\u66f4\u65b0\u65b0\u7684 label\uff0c\u5426\u5219\u5c06\u8fd4\u56de\u6821\u9a8c\u9519\u8bef\u3002\u6b64\u66f4\u6539\u662f\u4e0d\u53ef\u8986\u76d6\u7684\uff0c\u8fd9\u610f\u5473\u7740\u65b0\u7684 selector \u4e0d\u4f1a\u9009\u62e9\u4f7f\u7528\u65e7 selector \u521b\u5efa\u7684 ReplicaSet \u548c Pod\uff0c\u4ece\u800c\u5bfc\u81f4\u6240\u6709\u65e7\u7248\u672c\u7684 ReplicaSet \u90fd\u88ab\u4e22\u5f03\uff0c\u5e76\u521b\u5efa\u65b0\u7684 ReplicaSet\u3002<\/li>\n<li>\u66f4\u65b0 selector\uff0c\u5373\u66f4\u6539 selector key \u7684\u5f53\u524d\u503c\uff0c\u5c06\u5bfc\u81f4\u8ddf\u589e\u6dfb selector \u540c\u6837\u7684\u540e\u679c\u3002<\/li>\n<li>\u5220\u9664 selector\uff0c\u5373\u5220\u9664 Deployment selector \u4e2d\u7684\u5df2\u6709\u7684 key\uff0c\u4e0d\u9700\u8981\u5bf9 Pod template label \u505a\u4efb\u4f55\u66f4\u6539\uff0c\u73b0\u6709\u7684 ReplicaSet \u4e5f\u4e0d\u4f1a\u6210\u4e3a\u5b64\u513f\uff0c\u4f46\u662f\u8bf7\u6ce8\u610f\uff0c\u5220\u9664\u7684 label \u4ecd\u7136\u5b58\u5728\u4e8e\u73b0\u6709\u7684 Pod \u548c ReplicaSet \u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\\\"\u56de\u9000deployment\\\"><span id=\\\"Deployment-2\\\">\u56de\u9000Deployment<\/span><\/h2>\n<p>\u6709\u65f6\u5019\u60a8\u53ef\u80fd\u60f3\u56de\u9000\u4e00\u4e2a Deployment\uff0c\u4f8b\u5982\uff0c\u5f53 Deployment \u4e0d\u7a33\u5b9a\u65f6\uff0c\u6bd4\u5982\u4e00\u76f4 crash looping\u3002<br \/>\n\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0ckubernetes \u4f1a\u5728\u7cfb\u7edf\u4e2d\u4fdd\u5b58\u524d\u4e24\u6b21\u7684 Deployment \u7684 rollout \u5386\u53f2\u8bb0\u5f55\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u968f\u65f6\u56de\u9000\uff08\u60a8\u53ef\u4ee5\u4fee\u6539revision history limit\u6765\u66f4\u6539\u4fdd\u5b58\u7684revision\u6570\uff09\u3002<br \/>\n\u6ce8\u610f\uff1a\u00a0\u53ea\u8981 Deployment \u7684 rollout \u88ab\u89e6\u53d1\u5c31\u4f1a\u521b\u5efa\u4e00\u4e2a revision\u3002\u4e5f\u5c31\u662f\u8bf4\u5f53\u4e14\u4ec5\u5f53 Deployment \u7684 Pod template\uff08\u5982.spec.template\uff09\u88ab\u66f4\u6539\uff0c\u4f8b\u5982\u66f4\u65b0template \u4e2d\u7684 label \u548c\u5bb9\u5668\u955c\u50cf\u65f6\uff0c\u5c31\u4f1a\u521b\u5efa\u51fa\u4e00\u4e2a\u65b0\u7684 revision\u3002<br \/>\n\u5176\u4ed6\u7684\u66f4\u65b0\uff0c\u6bd4\u5982\u6269\u5bb9 Deployment \u4e0d\u4f1a\u521b\u5efa revision\u2014\u2014\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u624b\u52a8\u6216\u8005\u81ea\u52a8\u6269\u5bb9\u3002\u8fd9\u610f\u5473\u7740\u5f53\u60a8\u56de\u9000\u5230\u5386\u53f2 revision \u662f\uff0c\u76f4\u6709 Deployment \u4e2d\u7684 Pod template \u90e8\u5206\u624d\u4f1a\u56de\u9000\u3002<br \/>\n\u5047\u8bbe\u6211\u4eec\u5728\u66f4\u65b0 Deployment \u7684\u65f6\u5019\u72af\u4e86\u4e00\u4e2a\u62fc\u5199\u9519\u8bef\uff0c\u5c06\u955c\u50cf\u7684\u540d\u5b57\u5199\u6210\u4e86nginx:1.91\uff0c\u800c\u6b63\u786e\u7684\u540d\u5b57\u5e94\u8be5\u662fnginx:1.9.1\uff1a<\/p>\n<pre>$ kubectl set image deployment\/nginx-deployment nginx=nginx:1.91\ndeployment \\\"nginx-deployment\\\" image updated\n<\/pre>\n<p>Rollout \u5c06\u4f1a\u5361\u4f4f\u3002<\/p>\n<pre>$ kubectl rollout status deployments nginx-deployment\nWaiting for rollout to finish: 2 out of 3 new replicas have been updated...\n<\/pre>\n<p>\u6309\u4f4f Ctrl-C \u505c\u6b62\u4e0a\u9762\u7684 rollout \u72b6\u6001\u76d1\u63a7\u3002<br \/>\n\u60a8\u4f1a\u770b\u5230\u65e7\u7684 replica\uff08nginx-deployment-1564180365 \u548c nginx-deployment-2035384211\uff09\u548c\u65b0\u7684 replica \uff08nginx-deployment-3066724191\uff09\u6570\u76ee\u90fd\u662f2\u4e2a\u3002<\/p>\n<pre>$ kubectl get rs\nNAME                          DESIRED   CURRENT   READY   AGE\nnginx-deployment-1564180365   2         2         0       25s\nnginx-deployment-2035384211   0         0         0       36s\nnginx-deployment-3066724191   2         2         2       6s\n<\/pre>\n<p>\u770b\u4e0b\u521b\u5efa Pod\uff0c\u60a8\u4f1a\u770b\u5230\u6709\u4e24\u4e2a\u65b0\u7684 ReplicaSet \u521b\u5efa\u7684 Pod \u5904\u4e8e ImagePullBackOff \u72b6\u6001\uff0c\u5faa\u73af\u62c9\u53d6\u955c\u50cf\u3002<\/p>\n<pre>$ kubectl get pods\nNAME                                READY     STATUS             RESTARTS   AGE\nnginx-deployment-1564180365-70iae   1\/1       Running            0          25s\nnginx-deployment-1564180365-jbqqo   1\/1       Running            0          25s\nnginx-deployment-3066724191-08mng   0\/1       ImagePullBackOff   0          6s\nnginx-deployment-3066724191-eocby   0\/1       ImagePullBackOff   0          6s\n<\/pre>\n<p>\u6ce8\u610f\uff0cDeployment controller\u4f1a\u81ea\u52a8\u505c\u6b62\u574f\u7684 rollout\uff0c\u5e76\u505c\u6b62\u6269\u5bb9\u65b0\u7684 ReplicaSet\u3002<\/p>\n<pre>$ kubectl describe deployment\nName:           nginx-deployment\nNamespace:      default\nCreationTimestamp:  Tue, 15 Mar 2016 14:48:04 -0700\nLabels:         app=nginx\nSelector:       app=nginx\nReplicas:       2 updated | 3 total | 2 available | 2 unavailable\nStrategyType:       RollingUpdate\nMinReadySeconds:    0\nRollingUpdateStrategy:  1 max unavailable, 1 max surge\nOldReplicaSets:     nginx-deployment-1564180365 (2\/2 replicas created)\nNewReplicaSet:      nginx-deployment-3066724191 (2\/2 replicas created)\nEvents:\n  FirstSeen LastSeen    Count   From                    SubobjectPath   Type        Reason              Message\n  --------- --------    -----   ----                    -------------   --------    ------              -------\n  1m        1m          1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-2035384211 to 3\n  22s       22s         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-1564180365 to 1\n  22s       22s         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled down replica set nginx-deployment-2035384211 to 2\n  22s       22s         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-1564180365 to 2\n  21s       21s         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled down replica set nginx-deployment-2035384211 to 0\n  21s       21s         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-1564180365 to 3\n  13s       13s         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-3066724191 to 1\n  13s       13s         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled down replica set nginx-deployment-1564180365 to 2\n  13s       13s         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-3066724191 to 2\n<\/pre>\n<p>\u4e3a\u4e86\u4fee\u590d\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u56de\u9000\u5230\u7a33\u5b9a\u7684 Deployment revision\u3002<\/p>\n<h3 id=\\\"\u68c0\u67e5-deployment-\u5347\u7ea7\u7684\u5386\u53f2\u8bb0\u5f55\\\"><span id=\\\"_Deployment-2\\\">\u68c0\u67e5 Deployment \u5347\u7ea7\u7684\u5386\u53f2\u8bb0\u5f55<\/span><\/h3>\n<p>\u9996\u5148\uff0c\u68c0\u67e5\u4e0b Deployment \u7684 revision\uff1a<\/p>\n<pre>$ kubectl rollout history deployment\/nginx-deployment\ndeployments \\\"nginx-deployment\\\":\nREVISION    CHANGE-CAUSE\n1           kubectl create -f https:\/\/kubernetes.io\/docs\/user-guide\/nginx-deployment.yaml--record\n2           kubectl set image deployment\/nginx-deployment nginx=nginx:1.9.1\n3           kubectl set image deployment\/nginx-deployment nginx=nginx:1.91\n<\/pre>\n<p>\u56e0\u4e3a\u6211\u4eec\u521b\u5efa Deployment \u7684\u65f6\u5019\u4f7f\u7528\u4e86&#8211;recored\u53c2\u6570\u53ef\u4ee5\u8bb0\u5f55\u547d\u4ee4\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u67e5\u770b\u6bcf\u6b21 revision \u7684\u53d8\u5316\u3002<br \/>\n\u67e5\u770b\u5355\u4e2arevision \u7684\u8be6\u7ec6\u4fe1\u606f\uff1a<\/p>\n<pre>$ kubectl rollout history deployment\/nginx-deployment --revision=2\ndeployments \\\"nginx-deployment\\\" revision 2\n  Labels:       app=nginx\n          pod-template-hash=1159050644\n  Annotations:  kubernetes.io\/change-cause=kubectl set image deployment\/nginx-deployment nginx=nginx:1.9.1\n  Containers:\n   nginx:\n    Image:      nginx:1.9.1\n    Port:       80\/TCP\n     QoS Tier:\n        cpu:      BestEffort\n        memory:   BestEffort\n    Environment Variables:      &lt;none&gt;\n  No volumes.\n<\/pre>\n<h3 id=\\\"\u56de\u9000\u5230\u5386\u53f2\u7248\u672c\\\"><span id=\\\"i\\\">\u56de\u9000\u5230\u5386\u53f2\u7248\u672c<\/span><\/h3>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u51b3\u5b9a\u56de\u9000\u5f53\u524d\u7684 rollout \u5230\u4e4b\u524d\u7684\u7248\u672c\uff1a<\/p>\n<pre>$ kubectl rollout undo deployment\/nginx-deployment\ndeployment \\\"nginx-deployment\\\" rolled back\n<\/pre>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528\u00a0&#8211;revision\u53c2\u6570\u6307\u5b9a\u67d0\u4e2a\u5386\u53f2\u7248\u672c\uff1a<\/p>\n<pre>$ kubectl rollout undo deployment\/nginx-deployment --to-revision=2\ndeployment \\\"nginx-deployment\\\" rolled back\n<\/pre>\n<p>\u8be5 Deployment \u73b0\u5728\u5df2\u7ecf\u56de\u9000\u5230\u4e86\u5148\u524d\u7684\u7a33\u5b9a\u7248\u672c\u3002\u5982\u60a8\u6240\u89c1\uff0cDeployment controller\u4ea7\u751f\u4e86\u4e00\u4e2a\u56de\u9000\u5230revison 2\u7684DeploymentRollback\u7684 event\u3002<\/p>\n<pre>$ kubectl get deployment\nNAME               DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE\nnginx-deployment   3         3         3            3           30m\n$ kubectl describe deployment\nName:           nginx-deployment\nNamespace:      default\nCreationTimestamp:  Tue, 15 Mar 2016 14:48:04 -0700\nLabels:         app=nginx\nSelector:       app=nginx\nReplicas:       3 updated | 3 total | 3 available | 0 unavailable\nStrategyType:       RollingUpdate\nMinReadySeconds:    0\nRollingUpdateStrategy:  1 max unavailable, 1 max surge\nOldReplicaSets:     &lt;none&gt;\nNewReplicaSet:      nginx-deployment-1564180365 (3\/3 replicas created)\nEvents:\n  FirstSeen LastSeen    Count   From                    SubobjectPath   Type        Reason              Message\n  --------- --------    -----   ----                    -------------   --------    ------              -------\n  30m       30m         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-2035384211 to 3\n  29m       29m         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-1564180365 to 1\n  29m       29m         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled down replica set nginx-deployment-2035384211 to 2\n  29m       29m         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-1564180365 to 2\n  29m       29m         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled down replica set nginx-deployment-2035384211 to 0\n  29m       29m         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-3066724191 to 2\n  29m       29m         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-3066724191 to 1\n  29m       29m         1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled down replica set nginx-deployment-1564180365 to 2\n  2m        2m          1       {deployment-controller }                Normal      ScalingReplicaSet   Scaled down replica set nginx-deployment-3066724191 to 0\n  2m        2m          1       {deployment-controller }                Normal      DeploymentRollback  Rolled back deployment \\\"nginx-deployment\\\" to revision 2\n  29m       2m          2       {deployment-controller }                Normal      ScalingReplicaSet   Scaled up replica set nginx-deployment-1564180365 to 3\n<\/pre>\n<h3 id=\\\"\u6e05\u7406-policy\\\"><span id=\\\"_Policy\\\">\u6e05\u7406 Policy<\/span><\/h3>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e.spec.revisonHistoryLimit\u9879\u6765\u6307\u5b9a deployment \u6700\u591a\u4fdd\u7559\u591a\u5c11 revision \u5386\u53f2\u8bb0\u5f55\u3002\u9ed8\u8ba4\u7684\u4f1a\u4fdd\u7559\u6240\u6709\u7684 revision\uff1b\u5982\u679c\u5c06\u8be5\u9879\u8bbe\u7f6e\u4e3a0\uff0cDeployment\u5c31\u4e0d\u5141\u8bb8\u56de\u9000\u4e86\u3002<\/p>\n<h2 id=\\\"deployment-\u6269\u5bb9\\\"><span id=\\\"Deployment-3\\\">Deployment \u6269\u5bb9<\/span><\/h2>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6269\u5bb9 Deployment\uff1a<\/p>\n<pre>$ kubectl scale deployment nginx-deployment --replicas 10\ndeployment \\\"nginx-deployment\\\" scaled\n<\/pre>\n<p>\u5047\u8bbe\u60a8\u7684\u96c6\u7fa4\u4e2d\u542f\u7528\u4e86horizontal pod autoscaling\uff0c\u60a8\u53ef\u4ee5\u7ed9 Deployment \u8bbe\u7f6e\u4e00\u4e2a autoscaler\uff0c\u57fa\u4e8e\u5f53\u524d Pod\u7684 CPU \u5229\u7528\u7387\u9009\u62e9\u6700\u5c11\u548c\u6700\u591a\u7684 Pod \u6570\u3002<\/p>\n<pre>$ kubectl autoscale deployment nginx-deployment --min=10 --max=15 --cpu-percent=80\ndeployment \\\"nginx-deployment\\\" autoscaled\n<\/pre>\n<h3 id=\\\"\u6bd4\u4f8b\u6269\u5bb9\\\"><span id=\\\"i-2\\\">\u6bd4\u4f8b\u6269\u5bb9<\/span><\/h3>\n<p>RollingUpdate Deployment \u652f\u6301\u540c\u65f6\u8fd0\u884c\u4e00\u4e2a\u5e94\u7528\u7684\u591a\u4e2a\u7248\u672c\u3002\u6216\u8005 autoscaler \u6269 \u5bb9 RollingUpdate Deployment \u7684\u65f6\u5019\uff0c\u6b63\u5728\u4e2d\u9014\u7684 rollout\uff08\u8fdb\u884c\u4e2d\u6216\u8005\u5df2\u7ecf\u6682\u505c\u7684\uff09\uff0c\u4e3a\u4e86\u964d\u4f4e\u98ce\u9669\uff0cDeployment controller \u5c06\u4f1a\u5e73\u8861\u5df2\u5b58\u5728\u7684\u6d3b\u52a8\u4e2d\u7684 ReplicaSet\uff08\u6709 Pod \u7684 ReplicaSet\uff09\u548c\u65b0\u52a0\u5165\u7684 replica\u3002\u8fd9\u88ab\u79f0\u4e3a\u6bd4\u4f8b\u6269\u5bb9\u3002<br \/>\n\u4f8b\u5982\uff0c\u60a8\u6b63\u5728\u8fd0\u884c\u4e2d\u542b\u670910\u4e2a replica \u7684 Deployment\u3002maxSurge=3\uff0cmaxUnavailable=2\u3002<\/p>\n<pre>$ kubectl get deploy\nNAME                 DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE\nnginx-deployment     10        10        10           10          50s\n<\/pre>\n<p>\u60a8\u66f4\u65b0\u4e86\u4e00\u4e2a\u955c\u50cf\uff0c\u800c\u5728\u96c6\u7fa4\u5185\u90e8\u65e0\u6cd5\u89e3\u6790\u3002<\/p>\n<pre>$ kubectl set image deploy\/nginx-deployment nginx=nginx:sometag\ndeployment \\\"nginx-deployment\\\" image updated\n<\/pre>\n<p>\u955c\u50cf\u66f4\u65b0\u542f\u52a8\u4e86\u4e00\u4e2a\u5305\u542bReplicaSet nginx-deployment-1989198191\u7684\u65b0\u7684rollout\uff0c\u4f46\u662f\u5b83\u88ab\u963b\u585e\u4e86\uff0c\u56e0\u4e3a\u6211\u4eec\u4e0a\u9762\u63d0\u5230\u7684maxUnavailable\u3002<\/p>\n<pre>$ kubectl get rs\nNAME                          DESIRED   CURRENT   READY     AGE\nnginx-deployment-1989198191   5         5         0         9s\nnginx-deployment-618515232    8         8         8         1m\n<\/pre>\n<p>\u7136\u540e\u53d1\u8d77\u4e86\u4e00\u4e2a\u65b0\u7684Deployment\u6269\u5bb9\u8bf7\u6c42\u3002autoscaler\u5c06Deployment\u7684repllica\u6570\u76ee\u589e\u52a0\u5230\u4e8615\u4e2a\u3002Deployment controller\u9700\u8981\u5224\u65ad\u5728\u54ea\u91cc\u589e\u52a0\u8fd95\u4e2a\u65b0\u7684replica\u3002\u5982\u679c\u6211\u4eec\u6ca1\u6709\u8c01\u7528\u6bd4\u4f8b\u6269\u5bb9\uff0c\u6240\u6709\u76845\u4e2areplica\u90fd\u4f1a\u52a0\u5230\u4e00\u4e2a\u65b0\u7684ReplicaSet\u4e2d\u3002\u5982\u679c\u4f7f\u7528\u6bd4\u4f8b\u6269\u5bb9\uff0c\u65b0\u6dfb\u52a0\u7684replica\u5c06\u4f20\u64ad\u5230\u6240\u6709\u7684ReplicaSet\u4e2d\u3002\u5927\u7684\u90e8\u5206\u52a0\u5165replica\u6570\u6700\u591a\u7684ReplicaSet\u4e2d\uff0c\u5c0f\u7684\u90e8\u5206\u52a0\u5165\u5230replica\u6570\u5c11\u7684ReplciaSet\u4e2d\u30020\u4e2areplica\u7684ReplicaSet\u4e0d\u4f1a\u88ab\u6269\u5bb9\u3002<br \/>\n\u5728\u6211\u4eec\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c3\u4e2areplica\u5c06\u6dfb\u52a0\u5230\u65e7\u7684ReplicaSet\u4e2d\uff0c2\u4e2areplica\u5c06\u6dfb\u52a0\u5230\u65b0\u7684ReplicaSet\u4e2d\u3002rollout\u8fdb\u7a0b\u6700\u7ec8\u4f1a\u5c06\u6240\u6709\u7684replica\u79fb\u52a8\u5230\u65b0\u7684ReplicaSet\u4e2d\uff0c\u5047\u8bbe\u65b0\u7684replica\u6210\u4e3a\u5065\u5eb7\u72b6\u6001\u3002<\/p>\n<pre>$ kubectl get deploy\nNAME                 DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE\nnginx-deployment     15        18        7            8           7m\n$ kubectl get rs\nNAME                          DESIRED   CURRENT   READY     AGE\nnginx-deployment-1989198191   7         7         0         7m\nnginx-deployment-618515232    11        11        11        7m\n<\/pre>\n<h2 id=\\\"\u6682\u505c\u548c\u6062\u590ddeployment\\\"><span id=\\\"Deployment-4\\\">\u6682\u505c\u548c\u6062\u590dDeployment<\/span><\/h2>\n<p>\u60a8\u53ef\u4ee5\u5728\u53d1\u51fa\u4e00\u6b21\u6216\u591a\u6b21\u66f4\u65b0\u524d\u6682\u505c\u4e00\u4e2a Deployment\uff0c\u7136\u540e\u518d\u6062\u590d\u5b83\u3002\u8fd9\u6837\u60a8\u5c31\u80fd\u591a\u6b21\u6682\u505c\u548c\u6062\u590d Deployment\uff0c\u5728\u6b64\u671f\u95f4\u8fdb\u884c\u4e00\u4e9b\u4fee\u590d\u5de5\u4f5c\uff0c\u800c\u4e0d\u4f1a\u53d1\u51fa\u4e0d\u5fc5\u8981\u7684 rollout\u3002<br \/>\n\u4f8b\u5982\u4f7f\u7528\u521a\u521a\u521b\u5efa Deployment\uff1a<\/p>\n<pre>$ kubectl get deploy\nNAME      DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE\nnginx     3         3         3            3           1m\n[mkargaki@dhcp129-211 kubernetes]$ kubectl get rs\nNAME               DESIRED   CURRENT   READY     AGE\nnginx-2142116321   3         3         3         1m\n<\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6682\u505c Deployment\uff1a<\/p>\n<pre>$ kubectl rollout pause deployment\/nginx-deployment\ndeployment \\\"nginx-deployment\\\" paused\n<\/pre>\n<p>\u7136\u540e\u66f4\u65b0 Deplyment\u4e2d\u7684\u955c\u50cf\uff1a<\/p>\n<pre>$ kubectl set image deploy\/nginx nginx=nginx:1.9.1\ndeployment \\\"nginx-deployment\\\" image updated\n<\/pre>\n<p>\u6ce8\u610f\u65b0\u7684 rollout \u542f\u52a8\u4e86\uff1a<\/p>\n<pre>$ kubectl rollout history deploy\/nginx\ndeployments \\\"nginx\\\"\nREVISION  CHANGE-CAUSE\n1   &lt;none&gt;\n$ kubectl get rs\nNAME               DESIRED   CURRENT   READY     AGE\nnginx-2142116321   3         3         3         2m\n<\/pre>\n<p>\u60a8\u53ef\u4ee5\u8fdb\u884c\u4efb\u610f\u591a\u6b21\u66f4\u65b0\uff0c\u4f8b\u5982\u66f4\u65b0\u4f7f\u7528\u7684\u8d44\u6e90\uff1a<\/p>\n<pre>$ kubectl set resources deployment nginx -c=nginx --limits=cpu=200m,memory=512Mi\ndeployment \\\"nginx\\\" resource requirements updated\n<\/pre>\n<p>Deployment \u6682\u505c\u524d\u7684\u521d\u59cb\u72b6\u6001\u5c06\u7ee7\u7eed\u5b83\u7684\u529f\u80fd\uff0c\u800c\u4e0d\u4f1a\u5bf9 Deployment \u7684\u66f4\u65b0\u4ea7\u751f\u4efb\u4f55\u5f71\u54cd\uff0c\u53ea\u8981 Deployment\u662f\u6682\u505c\u7684\u3002<br \/>\n\u6700\u540e\uff0c\u6062\u590d\u8fd9\u4e2a Deployment\uff0c\u89c2\u5bdf\u5b8c\u6210\u66f4\u65b0\u7684 ReplicaSet \u5df2\u7ecf\u521b\u5efa\u51fa\u6765\u4e86\uff1a<\/p>\n<pre>$ kubectl rollout resume deploy nginx\ndeployment \\\"nginx\\\" resumed\n$ KUBECTL get rs -w\nNAME               DESIRED   CURRENT   READY     AGE\nnginx-2142116321   2         2         2         2m\nnginx-3926361531   2         2         0         6s\nnginx-3926361531   2         2         1         18s\nnginx-2142116321   1         2         2         2m\nnginx-2142116321   1         2         2         2m\nnginx-3926361531   3         2         1         18s\nnginx-3926361531   3         2         1         18s\nnginx-2142116321   1         1         1         2m\nnginx-3926361531   3         3         1         18s\nnginx-3926361531   3         3         2         19s\nnginx-2142116321   0         1         1         2m\nnginx-2142116321   0         1         1         2m\nnginx-2142116321   0         0         0         2m\nnginx-3926361531   3         3         3         20s\n^C\n$ KUBECTL get rs\nNAME               DESIRED   CURRENT   READY     AGE\nnginx-2142116321   0         0         0         2m\nnginx-3926361531   3         3         3         28s\n<\/pre>\n<p>\u6ce8\u610f\uff1a\u00a0\u5728\u6062\u590d Deployment \u4e4b\u524d\u60a8\u65e0\u6cd5\u56de\u9000\u4e00\u4e2a\u5df2\u7ecf\u6682\u505c\u7684 Deployment\u3002<\/p>\n<h2 id=\\\"deployment-\u72b6\u6001\\\"><span id=\\\"Deployment-5\\\">Deployment \u72b6\u6001<\/span><\/h2>\n<p>Deployment \u5728\u751f\u547d\u5468\u671f\u4e2d\u6709\u591a\u79cd\u72b6\u6001\u3002\u5728\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 ReplicaSet \u7684\u65f6\u5019\u5b83\u53ef\u4ee5\u662f\u00a0progressing\u00a0\u72b6\u6001\uff0c\u00a0complete\u00a0\u72b6\u6001\uff0c\u6216\u8005\u00a0fail to progress\u00a0\u72b6\u6001\u3002<\/p>\n<h3 id=\\\"\u8fdb\u884c\u4e2d\u7684-deployment\\\"><span id=\\\"_Deployment-3\\\">\u8fdb\u884c\u4e2d\u7684 Deployment<\/span><\/h3>\n<p>Kubernetes \u5c06\u6267\u884c\u8fc7\u4e0b\u5217\u4efb\u52a1\u4e4b\u4e00\u7684 Deployment \u6807\u8bb0\u4e3a\u00a0progressing\u00a0\u72b6\u6001\uff1a<\/p>\n<ul>\n<li>Deployment \u6b63\u5728\u521b\u5efa\u65b0\u7684ReplicaSet\u8fc7\u7a0b\u4e2d\u3002<\/li>\n<li>Deployment \u6b63\u5728\u6269\u5bb9\u4e00\u4e2a\u5df2\u6709\u7684 ReplicaSet\u3002<\/li>\n<li>Deployment \u6b63\u5728\u7f29\u5bb9\u4e00\u4e2a\u5df2\u6709\u7684 ReplicaSet\u3002<\/li>\n<li>\u6709\u65b0\u7684\u53ef\u7528\u7684 pod \u51fa\u73b0\u3002<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528kubectl rollout status\u547d\u4ee4\u76d1\u63a7 Deployment \u7684\u8fdb\u5ea6\u3002<\/p>\n<h3 id=\\\"\u5b8c\u6210\u7684-deployment\\\"><span id=\\\"_Deployment-4\\\">\u5b8c\u6210\u7684 Deployment<\/span><\/h3>\n<p>Kubernetes \u5c06\u5305\u62ec\u4ee5\u4e0b\u7279\u6027\u7684 Deployment \u6807\u8bb0\u4e3a\u00a0complete\u00a0\u72b6\u6001\uff1a<\/p>\n<ul>\n<li>Deployment \u6700\u5c0f\u53ef\u7528\u3002\u6700\u5c0f\u53ef\u7528\u610f\u5473\u7740 Deployment \u7684\u53ef\u7528 replica \u4e2a\u6570\u7b49\u4e8e\u6216\u8005\u8d85\u8fc7 Deployment \u7b56\u7565\u4e2d\u7684\u671f\u671b\u4e2a\u6570\u3002<\/li>\n<li>\u6240\u6709\u4e0e\u8be5 Deployment \u76f8\u5173\u7684replica\u90fd\u88ab\u66f4\u65b0\u5230\u4e86\u60a8\u6307\u5b9a\u7248\u672c\uff0c\u4e5f\u5c31\u8bf4\u66f4\u65b0\u5b8c\u6210\u3002<\/li>\n<li>\u8be5 Deployment \u4e2d\u6ca1\u6709\u65e7\u7684 Pod \u5b58\u5728\u3002<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u7528kubectl rollout status\u547d\u4ee4\u67e5\u770b Deployment \u662f\u5426\u5b8c\u6210\u3002\u5982\u679c rollout \u6210\u529f\u5b8c\u6210\uff0ckubectl rollout status\u5c06\u8fd4\u56de\u4e00\u4e2a0\u503c\u7684 Exit Code\u3002<\/p>\n<pre>$ kubectl rollout status deploy\/nginx\nWaiting for rollout to finish: 2 of 3 updated replicas are available...\ndeployment \\\"nginx\\\" successfully rolled out\n$ echo $?\n<\/pre>\n<h3 id=\\\"\u5931\u8d25\u7684-deployment\\\"><span id=\\\"_Deployment-5\\\">\u5931\u8d25\u7684 Deployment<\/span><\/h3>\n<p>\u60a8\u7684 Deployment \u5728\u5c1d\u8bd5\u90e8\u7f72\u65b0\u7684 ReplicaSet \u7684\u65f6\u5019\u53ef\u80fd\u5361\u4f4f\uff0c\u7528\u4e8e\u4e5f\u4e0d\u4f1a\u5b8c\u6210\u3002\u8fd9\u53ef\u80fd\u662f\u56e0\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u56e0\u7d20\u5f15\u8d77\u7684\uff1a<\/p>\n<ul>\n<li>\u65e0\u6548\u7684\u5f15\u7528<\/li>\n<li>\u4e0d\u53ef\u8bfb\u7684 probe failure<\/li>\n<li>\u955c\u50cf\u62c9\u53d6\u9519\u8bef<\/li>\n<li>\u6743\u9650\u4e0d\u591f<\/li>\n<li>\u8303\u56f4\u9650\u5236<\/li>\n<li>\u7a0b\u5e8f\u8fd0\u884c\u65f6\u914d\u7f6e\u9519\u8bef<\/li>\n<\/ul>\n<p>\u63a2\u6d4b\u8fd9\u79cd\u60c5\u51b5\u7684\u4e00\u79cd\u65b9\u5f0f\u662f\uff0c\u5728\u60a8\u7684 Deployment spec \u4e2d\u6307\u5b9aspec.progressDeadlineSeconds\u3002spec.progressDeadlineSeconds\u00a0\u8868\u793a Deployment controller \u7b49\u5f85\u591a\u5c11\u79d2\u624d\u80fd\u786e\u5b9a\uff08\u901a\u8fc7 Deployment status\uff09Deployment\u8fdb\u7a0b\u662f\u5361\u4f4f\u7684\u3002<br \/>\n\u4e0b\u9762\u7684kubectl\u547d\u4ee4\u8bbe\u7f6eprogressDeadlineSeconds\u00a0\u4f7f controller \u5728 Deployment \u5728\u8fdb\u5ea6\u5361\u4f4f10\u5206\u949f\u540e\u62a5\u544a\uff1a<\/p>\n<pre>$ kubectl patch deployment\/nginx-deployment -p \\'{\\\"spec\\\":{\\\"progressDeadlineSeconds\\\":600}}\\'\n\\\"nginx-deployment\\\" patched\n<\/pre>\n<p>\u5f53\u8d85\u8fc7\u622a\u6b62\u65f6\u95f4\u540e\uff0cDeployment controller \u4f1a\u5728 Deployment \u7684\u00a0status.conditions\u4e2d\u589e\u52a0\u4e00\u6761DeploymentCondition\uff0c\u5b83\u5305\u62ec\u5982\u4e0b\u5c5e\u6027\uff1a<\/p>\n<ul>\n<li>Type=Progressing<\/li>\n<li>Status=False<\/li>\n<li>Reason=ProgressDeadlineExceeded<\/li>\n<\/ul>\n<p>\u6ce8\u610f\uff1a\u00a0kubernetes\u9664\u4e86\u62a5\u544aReason=ProgressDeadlineExceeded\u72b6\u6001\u4fe1\u606f\u5916\u4e0d\u4f1a\u5bf9\u5361\u4f4f\u7684 Deployment \u505a\u4efb\u4f55\u64cd\u4f5c\u3002\u66f4\u9ad8\u5c42\u6b21\u7684\u534f\u8c03\u5668\u53ef\u4ee5\u5229\u7528\u5b83\u5e76\u91c7\u53d6\u76f8\u5e94\u884c\u52a8\uff0c\u4f8b\u5982\uff0c\u56de\u6eda Deployment \u5230\u4e4b\u524d\u7684\u7248\u672c\u3002<br \/>\n\u6ce8\u610f\uff1a\u00a0\u5982\u679c\u60a8\u6682\u505c\u4e86\u4e00\u4e2a Deployment\uff0c\u5728\u6682\u505c\u7684\u8fd9\u6bb5\u65f6\u95f4\u5185kubernetnes\u4e0d\u4f1a\u68c0\u67e5\u60a8\u6307\u5b9a\u7684 deadline\u3002\u60a8\u53ef\u4ee5\u5728 Deployment \u7684 rollout \u9014\u4e2d\u5b89\u5168\u7684\u6682\u505c\u5b83\uff0c\u7136\u540e\u518d\u6062\u590d\u5b83\uff0c\u8fd9\u4e0d\u4f1a\u89e6\u53d1\u8d85\u8fc7deadline\u7684\u72b6\u6001\u3002<br \/>\n\u60a8\u53ef\u80fd\u5728\u4f7f\u7528 Deployment \u7684\u65f6\u5019\u9047\u5230\u4e00\u4e9b\u77ed\u6682\u7684\u9519\u8bef\uff0c\u8fd9\u4e9b\u53ef\u80fd\u662f\u7531\u4e8e\u60a8\u8bbe\u7f6e\u4e86\u592a\u77ed\u7684 timeout\uff0c\u4e5f\u6709\u53ef\u80fd\u662f\u56e0\u4e3a\u5404\u79cd\u5176\u4ed6\u9519\u8bef\u5bfc\u81f4\u7684\u77ed\u6682\u9519\u8bef\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u60a8\u4f7f\u7528\u4e86\u65e0\u6548\u7684\u5f15\u7528\u3002\u5f53\u60a8 Describe Deployment \u7684\u65f6\u5019\u53ef\u80fd\u4f1a\u6ce8\u610f\u5230\u5982\u4e0b\u4fe1\u606f\uff1a<\/p>\n<pre>$ kubectl describe deployment nginx-deployment\n&lt;...&gt;\nConditions:\n  Type            Status  Reason\n  ----            ------  ------\n  Available       True    MinimumReplicasAvailable\n  Progressing     True    ReplicaSetUpdated\n  ReplicaFailure  True    FailedCreate\n&lt;...&gt;\n<\/pre>\n<p>\u6267\u884c\u00a0kubectl get deployment nginx-deployment -o yaml\uff0cDeployement \u7684\u72b6\u6001\u53ef\u80fd\u770b\u8d77\u6765\u50cf\u8fd9\u4e2a\u6837\u5b50\uff1a<\/p>\n<pre>status:\n  availableReplicas: 2\n  conditions:\n  - lastTransitionTime: 2016-10-04T12:25:39Z\n    lastUpdateTime: 2016-10-04T12:25:39Z\n    message: Replica set \\\"nginx-deployment-4262182780\\\" is progressing.\n    reason: ReplicaSetUpdated\n    status: \\\"True\\\"\n    type: Progressing\n  - lastTransitionTime: 2016-10-04T12:25:42Z\n    lastUpdateTime: 2016-10-04T12:25:42Z\n    message: Deployment has minimum availability.\n    reason: MinimumReplicasAvailable\n    status: \\\"True\\\"\n    type: Available\n  - lastTransitionTime: 2016-10-04T12:25:39Z\n    lastUpdateTime: 2016-10-04T12:25:39Z\n    message: \\'Error creating: pods \\\"nginx-deployment-4262182780-\\\" is forbidden: exceeded quota:\n      object-counts, requested: pods=1, used: pods=3, limited: pods=2\\'\n    reason: FailedCreate\n    status: \\\"True\\\"\n    type: ReplicaFailure\n  observedGeneration: 3\n  replicas: 2\n  unavailableReplicas: 2\n<\/pre>\n<p>\u6700\u7ec8\uff0c\u4e00\u65e6\u8d85\u8fc7 Deployment \u8fdb\u7a0b\u7684 deadline\uff0ckuberentes \u4f1a\u66f4\u65b0\u72b6\u6001\u548c\u5bfc\u81f4 Progressing \u72b6\u6001\u7684\u539f\u56e0\uff1a<\/p>\n<pre>Conditions:\n  Type            Status  Reason\n  ----            ------  ------\n  Available       True    MinimumReplicasAvailable\n  Progressing     False   ProgressDeadlineExceeded\n  ReplicaFailure  True    FailedCreate\n<\/pre>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u7f29\u5bb9 Deployment\u7684\u65b9\u5f0f\u89e3\u51b3\u914d\u989d\u4e0d\u8db3\u7684\u95ee\u9898\uff0c\u6216\u8005\u589e\u52a0\u60a8\u7684 namespace \u7684\u914d\u989d\u3002\u5982\u679c\u60a8\u6ee1\u8db3\u4e86\u914d\u989d\u6761\u4ef6\u540e\uff0cDeployment controller \u5c31\u4f1a\u5b8c\u6210\u60a8\u7684 Deployment rollout\uff0c\u60a8\u5c06\u770b\u5230 Deployment \u7684\u72b6\u6001\u66f4\u65b0\u4e3a\u6210\u529f\u72b6\u6001\uff08Status=True\u5e76\u4e14Reason=NewReplicaSetAvailable\uff09\u3002<\/p>\n<pre>Conditions:\n  Type          Status  Reason\n  ----          ------  ------\n  Available     True    MinimumReplicasAvailable\n  Progressing   True    NewReplicaSetAvailable\n<\/pre>\n<p>Type=Available\u3001\u00a0Status=True\u00a0\u4ee5\u4e3a\u8fd9\u60a8\u7684Deployment\u6709\u6700\u5c0f\u53ef\u7528\u6027\u3002 \u6700\u5c0f\u53ef\u7528\u6027\u662f\u5728Deployment\u7b56\u7565\u4e2d\u6307\u5b9a\u7684\u53c2\u6570\u3002Type=Progressing\u00a0\u3001\u00a0Status=True\u610f\u5473\u7740\u60a8\u7684Deployment \u6216\u8005\u5728\u90e8\u7f72\u8fc7\u7a0b\u4e2d\uff0c\u6216\u8005\u5df2\u7ecf\u6210\u529f\u90e8\u7f72\uff0c\u8fbe\u5230\u4e86\u671f\u671b\u7684\u6700\u5c11\u7684\u53ef\u7528replica\u6570\u91cf\uff08\u67e5\u770b\u7279\u5b9a\u72b6\u6001\u7684Reason\u2014\u2014\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2dReason=NewReplicaSetAvailable\u00a0\u610f\u5473\u7740Deployment\u5df2\u7ecf\u5b8c\u6210\uff09\u3002<br \/>\n\u60a8\u53ef\u4ee5\u4f7f\u7528kubectl rollout status\u547d\u4ee4\u67e5\u770bDeployment\u8fdb\u7a0b\u662f\u5426\u5931\u8d25\u3002\u5f53Deployment\u8fc7\u7a0b\u8d85\u8fc7\u4e86deadline\uff0ckubectl rollout status\u5c06\u8fd4\u56de\u975e0\u7684exit code\u3002<\/p>\n<pre>$ kubectl rollout status deploy\/nginx\nWaiting for rollout to finish: 2 out of 3 new replicas have been updated...\nerror: deployment \\\"nginx\\\" exceeded its progress deadline\n$ echo $?\n1\n<\/pre>\n<h3 id=\\\"\u64cd\u4f5c\u5931\u8d25\u7684-deployment\\\"><span id=\\\"_Deployment-6\\\">\u64cd\u4f5c\u5931\u8d25\u7684 Deployment<\/span><\/h3>\n<p>\u6240\u6709\u5bf9\u5b8c\u6210\u7684 Deployment \u7684\u64cd\u4f5c\u90fd\u9002\u7528\u4e8e\u5931\u8d25\u7684 Deployment\u3002\u60a8\u53ef\u4ee5\u5bf9\u5b83\u6269\/\u7f29\u5bb9\uff0c\u56de\u9000\u5230\u5386\u53f2\u7248\u672c\uff0c\u60a8\u751a\u81f3\u53ef\u4ee5\u591a\u6b21\u6682\u505c\u5b83\u6765\u5e94\u7528 Deployment pod template\u3002<\/p>\n<h2 id=\\\"\u6e05\u7406policy\\\"><span id=\\\"Policy\\\">\u6e05\u7406Policy<\/span><\/h2>\n<p>\u60a8\u53ef\u4ee5\u8bbe\u7f6e Deployment \u4e2d\u7684\u00a0.spec.revisionHistoryLimit\u00a0\u9879\u6765\u6307\u5b9a\u4fdd\u7559\u591a\u5c11\u65e7\u7684 ReplicaSet\u3002 \u4f59\u4e0b\u7684\u5c06\u5728\u540e\u53f0\u88ab\u5f53\u4f5c\u5783\u573e\u6536\u96c6\u3002\u9ed8\u8ba4\u7684\uff0c\u6240\u6709\u7684 revision \u5386\u53f2\u5c31\u90fd\u4f1a\u88ab\u4fdd\u7559\u3002\u5728\u672a\u6765\u7684\u7248\u672c\u4e2d\uff0c\u5c06\u4f1a\u66f4\u6539\u4e3a2\u3002<br \/>\n\u6ce8\u610f\uff1a\u00a0\u5c06\u8be5\u503c\u8bbe\u7f6e\u4e3a0\uff0c\u5c06\u5bfc\u81f4\u6240\u6709\u7684 Deployment \u5386\u53f2\u8bb0\u5f55\u90fd\u4f1a\u88ab\u6e05\u9664\uff0c\u8be5 Deployment \u5c31\u65e0\u6cd5\u518d\u56de\u9000\u4e86\u3002<\/p>\n<h2 id=\\\"\u7528\u4f8b\\\"><span id=\\\"i-3\\\">\u7528\u4f8b<\/span><\/h2>\n<h3 id=\\\"\u91d1\u4e1d\u96c0-deployment\\\"><span id=\\\"_Deployment-7\\\">\u91d1\u4e1d\u96c0 Deployment<\/span><\/h3>\n<p>\u5982\u679c\u60a8\u60f3\u8981\u4f7f\u7528 Deployment \u5bf9\u90e8\u5206\u7528\u6237\u6216\u670d\u52a1\u5668\u53d1\u5e03 release\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u591a\u4e2a Deployment\uff0c\u6bcf\u4e2a Deployment \u5bf9\u5e94\u4e00\u4e2a release\uff0c\u3002<\/p>\n<h2 id=\\\"\u7f16\u5199-deployment-spec\\\"><span id=\\\"_Deployment_Spec\\\">\u7f16\u5199 Deployment Spec<\/span><\/h2>\n<p>\u5728\u6240\u6709\u7684 Kubernetes \u914d\u7f6e\u4e2d\uff0cDeployment \u4e5f\u9700\u8981apiVersion\uff0ckind\u548cmetadata\u8fd9\u4e9b\u914d\u7f6e\u9879\u3002\u914d\u7f6e\u6587\u4ef6\u7684\u901a\u7528\u4f7f\u7528\u8bf4\u660e\u67e5\u770b\u00a0\u90e8\u7f72\u5e94\u7528\uff0c\u914d\u7f6e\u5bb9\u5668\uff0c\u548c\u00a0\u4f7f\u7528 kubectl \u7ba1\u7406\u8d44\u6e90\u00a0\u6587\u6863\u3002<br \/>\nDeployment\u4e5f\u9700\u8981\u00a0.spec\u00a0section.<\/p>\n<h3 id=\\\"pod-template\\\"><span id=\\\"Pod_Template\\\">Pod Template<\/span><\/h3>\n<p>.spec.template\u00a0\u662f\u00a0.spec\u4e2d\u552f\u4e00\u8981\u6c42\u7684\u5b57\u6bb5\u3002<br \/>\n.spec.template\u00a0\u662f\u00a0pod template. \u5b83\u8ddf\u00a0Pod\u6709\u4e00\u6a21\u4e00\u6837\u7684schema\uff0c\u9664\u4e86\u5b83\u662f\u5d4c\u5957\u7684\u5e76\u4e14\u4e0d\u9700\u8981apiVersion\u00a0\u548c\u00a0kind\u5b57\u6bb5\u3002<br \/>\n\u53e6\u5916\u4e3a\u4e86\u5212\u5206Pod\u7684\u8303\u56f4\uff0cDeployment\u4e2d\u7684pod template\u5fc5\u987b\u6307\u5b9a\u9002\u5f53\u7684label\u548c\u9002\u5f53\u7684\u91cd\u542f\u7b56\u7565\u3002<br \/>\n.spec.template.spec.restartPolicy\u00a0\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u00a0Always\u00a0, \u5982\u679c\u4e0d\u6307\u5b9a\u7684\u8bdd\u8fd9\u5c31\u662f\u9ed8\u8ba4\u914d\u7f6e\u3002<\/p>\n<h3 id=\\\"replicas\\\"><span id=\\\"Replicas\\\">Replicas<\/span><\/h3>\n<p>.spec.replicas\u00a0\u662f\u53ef\u4ee5\u9009\u5b57\u6bb5\uff0c\u6307\u5b9a\u671f\u671b\u7684pod\u6570\u91cf\uff0c\u9ed8\u8ba4\u662f1\u3002<\/p>\n<h3 id=\\\"selector\\\"><span id=\\\"Selector\\\">Selector<\/span><\/h3>\n<p>.spec.selector\u662f\u53ef\u9009\u5b57\u6bb5\uff0c\u7528\u6765\u6307\u5b9a\u00a0label selector\u00a0\uff0c\u5708\u5b9aDeployment\u7ba1\u7406\u7684pod\u8303\u56f4\u3002<br \/>\n\u5982\u679c\u88ab\u6307\u5b9a\uff0c\u00a0.spec.selector\u00a0\u5fc5\u987b\u5339\u914d\u00a0.spec.template.metadata.labels\uff0c\u5426\u5219\u5b83\u5c06\u88abAPI\u62d2\u7edd\u3002\u5982\u679c\u00a0.spec.selector\u00a0\u6ca1\u6709\u88ab\u6307\u5b9a\uff0c\u00a0.spec.selector.matchLabels\u00a0\u9ed8\u8ba4\u662f\u00a0.spec.template.metadata.labels\u3002<br \/>\n\u5728Pod\u7684template\u8ddf.spec.template\u4e0d\u540c\u6216\u8005\u6570\u91cf\u8d85\u8fc7\u4e86.spec.replicas\u89c4\u5b9a\u7684\u6570\u91cf\u7684\u60c5\u51b5\u4e0b\uff0cDeployment\u4f1a\u6740\u6389label\u8ddfselector\u4e0d\u540c\u7684Pod\u3002<br \/>\n\u6ce8\u610f\uff1a\u00a0\u60a8\u4e0d\u5e94\u8be5\u518d\u521b\u5efa\u5176\u4ed6label\u8ddf\u8fd9\u4e2aselector\u5339\u914d\u7684pod\uff0c\u6216\u8005\u901a\u8fc7\u5176\u4ed6Deployment\uff0c\u6216\u8005\u901a\u8fc7\u5176\u4ed6Controller\uff0c\u4f8b\u5982ReplicaSet\u548cReplicationController\u3002\u5426\u5219\u8be5Deployment\u4f1a\u88ab\u628a\u5b83\u4eec\u5f53\u6210\u90fd\u662f\u81ea\u5df1\u521b\u5efa\u7684\u3002Kubernetes\u4e0d\u4f1a\u963b\u6b62\u60a8\u8fd9\u4e48\u505a\u3002<br \/>\n\u5982\u679c\u60a8\u6709\u591a\u4e2acontroller\u4f7f\u7528\u4e86\u91cd\u590d\u7684selector\uff0ccontroller\u4eec\u5c31\u4f1a\u4e92\u76f8\u6253\u67b6\u5e76\u5bfc\u81f4\u4e0d\u6b63\u786e\u7684\u884c\u4e3a\u3002<\/p>\n<h3 id=\\\"\u7b56\u7565\\\"><span id=\\\"i-4\\\">\u7b56\u7565<\/span><\/h3>\n<p>.spec.strategy\u00a0\u6307\u5b9a\u65b0\u7684Pod\u66ff\u6362\u65e7\u7684Pod\u7684\u7b56\u7565\u3002\u00a0.spec.strategy.type\u00a0\u53ef\u4ee5\u662f\\&#8221;Recreate\\&#8221;\u6216\u8005\u662f \\&#8221;RollingUpdate\\&#8221;\u3002\\&#8221;RollingUpdate\\&#8221;\u662f\u9ed8\u8ba4\u503c\u3002<\/p>\n<h4 id=\\\"recreate-deployment\\\"><span id=\\\"Recreate_Deployment\\\">Recreate Deployment<\/span><\/h4>\n<p>.spec.strategy.type==Recreate\u65f6\uff0c\u5728\u521b\u5efa\u51fa\u65b0\u7684Pod\u4e4b\u524d\u4f1a\u5148\u6740\u6389\u6240\u6709\u5df2\u5b58\u5728\u7684Pod\u3002<\/p>\n<h4 id=\\\"rolling-update-deployment\\\"><span id=\\\"Rolling_Update_Deployment\\\">Rolling Update Deployment<\/span><\/h4>\n<p>.spec.strategy.type==RollingUpdate\u65f6\uff0cDeployment\u4f7f\u7528rolling update\u00a0\u7684\u65b9\u5f0f\u66f4\u65b0Pod \u3002\u60a8\u53ef\u4ee5\u6307\u5b9amaxUnavailable\u00a0\u548c\u00a0maxSurge\u00a0\u6765\u63a7\u5236 rolling update \u8fdb\u7a0b\u3002<\/p>\n<h5 id=\\\"max-unavailable\\\"><span id=\\\"Max_Unavailable\\\">MAX UNAVAILABLE<\/span><\/h5>\n<p>.spec.strategy.rollingUpdate.maxUnavailable\u00a0\u662f\u53ef\u9009\u914d\u7f6e\u9879\uff0c\u7528\u6765\u6307\u5b9a\u5728\u5347\u7ea7\u8fc7\u7a0b\u4e2d\u4e0d\u53ef\u7528Pod\u7684\u6700\u5927\u6570\u91cf\u3002\u8be5\u503c\u53ef\u4ee5\u662f\u4e00\u4e2a\u7edd\u5bf9\u503c\uff08\u4f8b\u59825\uff09\uff0c\u4e5f\u53ef\u4ee5\u662f\u671f\u671bPod\u6570\u91cf\u7684\u767e\u5206\u6bd4\uff08\u4f8b\u598210%\uff09\u3002\u901a\u8fc7\u8ba1\u7b97\u767e\u5206\u6bd4\u7684\u7edd\u5bf9\u503c\u5411\u4e0b\u53d6\u6574\u3002\u5982\u679c.spec.strategy.rollingUpdate.maxSurge\u00a0\u4e3a0\u65f6\uff0c\u8fd9\u4e2a\u503c\u4e0d\u53ef\u4ee5\u4e3a0\u3002\u9ed8\u8ba4\u503c\u662f1\u3002<br \/>\n\u4f8b\u5982\uff0c\u8be5\u503c\u8bbe\u7f6e\u621030%\uff0c\u542f\u52a8rolling update\u540e\u65e7\u7684ReplicatSet\u5c06\u4f1a\u7acb\u5373\u7f29\u5bb9\u5230\u671f\u671b\u7684Pod\u6570\u91cf\u768470%\u3002\u65b0\u7684Pod ready\u540e\uff0c\u968f\u7740\u65b0\u7684ReplicaSet\u7684\u6269\u5bb9\uff0c\u65e7\u7684ReplicaSet\u4f1a\u8fdb\u4e00\u6b65\u7f29\u5bb9\uff0c\u786e\u4fdd\u5728\u5347\u7ea7\u7684\u6240\u6709\u65f6\u523b\u53ef\u4ee5\u7528\u7684Pod\u6570\u91cf\u81f3\u5c11\u662f\u671f\u671bPod\u6570\u91cf\u768470%\u3002<\/p>\n<h5 id=\\\"max-surge\\\"><span id=\\\"Max_Surge\\\">MAX SURGE<\/span><\/h5>\n<p>.spec.strategy.rollingUpdate.maxSurge\u00a0\u662f\u53ef\u9009\u914d\u7f6e\u9879\uff0c\u7528\u6765\u6307\u5b9a\u53ef\u4ee5\u8d85\u8fc7\u671f\u671b\u7684Pod\u6570\u91cf\u7684\u6700\u5927\u4e2a\u6570\u3002\u8be5\u503c\u53ef\u4ee5\u662f\u4e00\u4e2a\u7edd\u5bf9\u503c\uff08\u4f8b\u59825\uff09\u6216\u8005\u662f\u671f\u671b\u7684Pod\u6570\u91cf\u7684\u767e\u5206\u6bd4\uff08\u4f8b\u598210%\uff09\u3002\u5f53MaxUnavailable\u4e3a0\u65f6\u8be5\u503c\u4e0d\u53ef\u4ee5\u4e3a0\u3002\u901a\u8fc7\u767e\u5206\u6bd4\u8ba1\u7b97\u7684\u7edd\u5bf9\u503c\u5411\u4e0a\u53d6\u6574\u3002\u9ed8\u8ba4\u503c\u662f1\u3002<br \/>\n\u4f8b\u5982\uff0c\u8be5\u503c\u8bbe\u7f6e\u621030%\uff0c\u542f\u52a8rolling update\u540e\u65b0\u7684ReplicatSet\u5c06\u4f1a\u7acb\u5373\u6269\u5bb9\uff0c\u65b0\u8001Pod\u7684\u603b\u6570\u4e0d\u80fd\u8d85\u8fc7\u671f\u671b\u7684Pod\u6570\u91cf\u7684130%\u3002\u65e7\u7684Pod\u88ab\u6740\u6389\u540e\uff0c\u65b0\u7684ReplicaSet\u5c06\u7ee7\u7eed\u6269\u5bb9\uff0c\u65e7\u7684ReplicaSet\u4f1a\u8fdb\u4e00\u6b65\u7f29\u5bb9\uff0c\u786e\u4fdd\u5728\u5347\u7ea7\u7684\u6240\u6709\u65f6\u523b\u6240\u6709\u7684Pod\u6570\u91cf\u548c\u4e0d\u4f1a\u8d85\u8fc7\u671f\u671bPod\u6570\u91cf\u7684130%\u3002<\/p>\n<h3 id=\\\"progress-deadline-seconds\\\"><span id=\\\"Progress_Deadline_Seconds\\\">Progress Deadline Seconds<\/span><\/h3>\n<p>.spec.progressDeadlineSeconds\u00a0\u662f\u53ef\u9009\u914d\u7f6e\u9879\uff0c\u7528\u6765\u6307\u5b9a\u5728\u7cfb\u7edf\u62a5\u544aDeployment\u7684failed progressing\u2014\u2014\u8868\u73b0\u4e3aresource\u7684\u72b6\u6001\u4e2dtype=Progressing\u3001Status=False\u3001\u00a0Reason=ProgressDeadlineExceeded\u524d\u53ef\u4ee5\u7b49\u5f85\u7684Deployment\u8fdb\u884c\u7684\u79d2\u6570\u3002Deployment controller\u4f1a\u7ee7\u7eed\u91cd\u8bd5\u8be5Deployment\u3002\u672a\u6765\uff0c\u5728\u5b9e\u73b0\u4e86\u81ea\u52a8\u56de\u6eda\u540e\uff0c deployment controller\u5728\u89c2\u5bdf\u5230\u8fd9\u79cd\u72b6\u6001\u65f6\u5c31\u4f1a\u81ea\u52a8\u56de\u6eda\u3002<br \/>\n\u5982\u679c\u8bbe\u7f6e\u8be5\u53c2\u6570\uff0c\u8be5\u503c\u5fc5\u987b\u5927\u4e8e\u00a0.spec.minReadySeconds\u3002<\/p>\n<h3 id=\\\"min-ready-seconds\\\"><span id=\\\"Min_Ready_Seconds\\\">Min Ready Seconds<\/span><\/h3>\n<p>.spec.minReadySeconds\u662f\u4e00\u4e2a\u53ef\u9009\u914d\u7f6e\u9879\uff0c\u7528\u6765\u6307\u5b9a\u6ca1\u6709\u4efb\u4f55\u5bb9\u5668crash\u7684Pod\u5e76\u88ab\u8ba4\u4e3a\u662f\u53ef\u7528\u72b6\u6001\u7684\u6700\u5c0f\u79d2\u6570\u3002\u9ed8\u8ba4\u662f0\uff08Pod\u5728ready\u540e\u5c31\u4f1a\u88ab\u8ba4\u4e3a\u662f\u53ef\u7528\u72b6\u6001\uff09\u3002\u8fdb\u4e00\u6b65\u4e86\u89e3\u4ec0\u4e48\u4ec0\u4e48\u540ePod\u4f1a\u88ab\u8ba4\u4e3a\u662fready\u72b6\u6001\uff0c\u53c2\u9605\u00a0Container Probes\u3002<\/p>\n<h3 id=\\\"rollback-to\\\"><span id=\\\"Rollback_To\\\">Rollback To<\/span><\/h3>\n<p>.spec.rollbackTo\u00a0\u662f\u4e00\u4e2a\u53ef\u4ee5\u9009\u914d\u7f6e\u9879\uff0c\u7528\u6765\u914d\u7f6eDeployment\u56de\u9000\u7684\u914d\u7f6e\u3002\u8bbe\u7f6e\u8be5\u53c2\u6570\u5c06\u89e6\u53d1\u56de\u9000\u64cd\u4f5c\uff0c\u6bcf\u6b21\u56de\u9000\u5b8c\u6210\u540e\uff0c\u8be5\u503c\u5c31\u4f1a\u88ab\u6e05\u9664\u3002<\/p>\n<h4 id=\\\"revision\\\"><span id=\\\"Revision\\\">Revision<\/span><\/h4>\n<p>.spec.rollbackTo.revision\u662f\u4e00\u4e2a\u53ef\u9009\u914d\u7f6e\u9879\uff0c\u7528\u6765\u6307\u5b9a\u56de\u9000\u5230\u7684revision\u3002\u9ed8\u8ba4\u662f0\uff0c\u610f\u5473\u7740\u56de\u9000\u5230\u5386\u53f2\u4e2d\u6700\u8001\u7684revision\u3002<\/p>\n<h3 id=\\\"revision-history-limit\\\"><span id=\\\"Revision_History_Limit\\\">Revision History Limit<\/span><\/h3>\n<p>Deployment revision history\u5b58\u50a8\u5728\u5b83\u63a7\u5236\u7684ReplicaSets\u4e2d\u3002<br \/>\n.spec.revisionHistoryLimit\u00a0\u662f\u4e00\u4e2a\u53ef\u9009\u914d\u7f6e\u9879\uff0c\u7528\u6765\u6307\u5b9a\u53ef\u4ee5\u4fdd\u7559\u7684\u65e7\u7684ReplicaSet\u6570\u91cf\u3002\u8be5\u7406\u60f3\u503c\u53d6\u51b3\u4e8e\u5fc3Deployment\u7684\u9891\u7387\u548c\u7a33\u5b9a\u6027\u3002\u5982\u679c\u8be5\u503c\u6ca1\u6709\u8bbe\u7f6e\u7684\u8bdd\uff0c\u9ed8\u8ba4\u6240\u6709\u65e7\u7684Replicaset\u6216\u4f1a\u88ab\u4fdd\u7559\uff0c\u5c06\u8d44\u6e90\u5b58\u50a8\u5728etcd\u4e2d\uff0c\u662f\u7528kubectl get rs\u67e5\u770b\u8f93\u51fa\u3002\u6bcf\u4e2aDeployment\u7684\u8be5\u914d\u7f6e\u90fd\u4fdd\u5b58\u5728ReplicaSet\u4e2d\uff0c\u7136\u800c\uff0c\u4e00\u65e6\u60a8\u5220\u9664\u7684\u65e7\u7684RepelicaSet\uff0c\u60a8\u7684Deployment\u5c31\u65e0\u6cd5\u518d\u56de\u9000\u5230\u90a3\u4e2arevison\u4e86\u3002<br \/>\n\u5982\u679c\u60a8\u5c06\u8be5\u503c\u8bbe\u7f6e\u4e3a0\uff0c\u6240\u6709\u5177\u67090\u4e2areplica\u7684ReplicaSet\u90fd\u4f1a\u88ab\u5220\u9664\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u65b0\u7684Deployment rollout\u65e0\u6cd5\u64a4\u9500\uff0c\u56e0\u4e3arevision history\u90fd\u88ab\u6e05\u7406\u6389\u4e86\u3002<\/p>\n<h3 id=\\\"paused\\\"><span id=\\\"Paused\\\">Paused<\/span><\/h3>\n<p>.spec.paused\u662f\u53ef\u4ee5\u53ef\u9009\u914d\u7f6e\u9879\uff0cboolean\u503c\u3002\u7528\u6765\u6307\u5b9a\u6682\u505c\u548c\u6062\u590dDeployment\u3002Paused\u548c\u6ca1\u6709paused\u7684Deployment\u4e4b\u95f4\u7684\u552f\u4e00\u533a\u522b\u5c31\u662f\uff0c\u6240\u6709\u5bf9paused deployment\u4e2d\u7684PodTemplateSpec\u7684\u4fee\u6539\u90fd\u4e0d\u4f1a\u89e6\u53d1\u65b0\u7684rollout\u3002Deployment\u88ab\u521b\u5efa\u4e4b\u540e\u9ed8\u8ba4\u662f\u975epaused\u3002<\/p>\n<h2 id=\\\"deployment-\u7684\u66ff\u4ee3\u9009\u62e9\\\"><span id=\\\"Deployment-6\\\">Deployment \u7684\u66ff\u4ee3\u9009\u62e9<\/span><\/h2>\n<h3 id=\\\"kubectl-rolling-update\\\"><span id=\\\"kubectl_rolling_update\\\">kubectl rolling update<\/span><\/h3>\n<p>Kubectl rolling update\u00a0\u867d\u7136\u4f7f\u7528\u7c7b\u4f3c\u7684\u65b9\u5f0f\u66f4\u65b0Pod\u548cReplicationController\u3002\u4f46\u662f\u6211\u4eec\u63a8\u8350\u4f7f\u7528Deployment\uff0c\u56e0\u4e3a\u5b83\u662f\u58f0\u660e\u5f0f\u7684\uff0c\u5ba2\u6237\u7aef\u4fa7\uff0c\u5177\u6709\u9644\u52a0\u7279\u6027\uff0c\u4f8b\u5982\u5373\u4f7f\u6eda\u52a8\u5347\u7ea7\u7ed3\u675f\u540e\u4e5f\u53ef\u4ee5\u56de\u6eda\u5230\u4efb\u4f55\u5386\u53f2\u7248\u672c\u3002\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Kubernetes Deployment 1\u00a0\u521b\u5efa Deployment 1.1\u00a0Pod-template- &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=1578\"> <span class=\"screen-reader-text\">Kubernetes Deployment<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","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":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[104,123],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":1,"uagb_excerpt":"Kubernetes Deployment 1\u00a0\u521b\u5efa Deployment 1.1\u00a0Pod-template-&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1578"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1578"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1578\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1578"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}