{"id":43771,"date":"2023-05-31T01:18:45","date_gmt":"2023-11-02T02:56:45","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes%e7%9a%84errimagepull%e5%92%8cimagepullbackoff%e7%9a%84%e8%af%a6%e7%bb%86%e4%bf%a1%e6%81%af%e3%80%82\/"},"modified":"2024-04-30T06:41:53","modified_gmt":"2024-04-29T22:41:53","slug":"kubernetes%e7%9a%84errimagepull%e5%92%8cimagepullbackoff%e7%9a%84%e8%af%a6%e7%bb%86%e4%bf%a1%e6%81%af%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes%e7%9a%84errimagepull%e5%92%8cimagepullbackoff%e7%9a%84%e8%af%a6%e7%bb%86%e4%bf%a1%e6%81%af%e3%80%82\/","title":{"rendered":"Kubernetes\u7684ErrImagePull\u548cImagePullBackOff\u7684\u8be6\u7ec6\u4fe1\u606f"},"content":{"rendered":"<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d54be37434c4406cd3cc7\/0-0.png\" alt=\"ErrImagePull and ImagePullBackOff cover\" \/><\/div>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30e1\u30fc\u30b8\u306e\u30d7\u30eb<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30e1\u30fc\u30b8\u306e\u30d7\u30eb\u30dd\u30ea\u30b7\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ErrImagePull<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ErrImagePull\u306e\u30c7\u30d0\u30c3\u30b0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30e1\u30fc\u30b8\u30d7\u30eb\u30a8\u30e9\u30fc\u306e\u76e3\u8996<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u305d\u306e\u4ed6\u306e\u30a4\u30e1\u30fc\u30b8\u30a8\u30e9\u30fc<\/ul>\n<p>&nbsp;<\/p>\n<h2>\u5bb9\u5668\u56fe\u50cf<\/h2>\n<p><strong>\u5bb9\u5668<\/strong><strong>\u5bb9\u5668\u6620\u50cf<\/strong><\/p>\n<p><strong>\u5bb9\u5668\u6ce8\u518c\u8868<\/strong><\/p>\n<p>Push: \u30a4\u30e1\u30fc\u30b8\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3001\u30ea\u30dd\u30b8\u30c8\u30ea\u3067\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/p>\n<p>Pull\uff1a\u30b3\u30f3\u30c6\u30ca\u3067\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u30a4\u30e1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/p>\n<p>&nbsp;<\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86Docker CLI\uff0c\u4f46\u53ea\u8981\u662f\u5b9e\u73b0\u4e86Open Container Initiative Distribution\u89c4\u8303\u7684\u5de5\u5177\uff0c\u5c31\u53ef\u4ee5\u7528\u5b83\u6765\u8fdb\u884c\u4e0e\u5bb9\u5668\u6ce8\u518c\u8868\u7684\u6240\u6709\u4ea4\u4e92\u3002<\/p>\n<h2>\u56fe\u50cf\u4e0b\u8f7d<\/h2>\n<p><code>\u6700\u65b0\u7684<\/code><\/p>\n<h3>\u83b7\u53d6\u6307\u5b9a\u540d\u79f0\u7684\u56fe\u50cf<\/h3>\n<p><code>\u6700\u65b0\u7684<\/code><\/p>\n<pre class=\"post-pre\"><code>docker pull nginx\r\nkubectl run mypod nginx<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h3>\u4f7f\u7528\u540d\u5b57\u548c\u6807\u7b7e\u6765\u63d0\u53d6\u56fe\u50cf<\/h3>\n<p><code>\u6700\u65b0\u7684 (zu\u00ec  de)<\/code><\/p>\n<pre class=\"post-pre\"><code>docker pull nginx:1.23.1-alpine\r\nkubectl run mypod nginx:1.23.1-alpine<\/code><\/pre>\n<p><a>\u5173\u4e8e\u6807\u7b7e\u53ef\u66f4\u6539\u6027\u7684\u6587\u7ae0<\/a><\/p>\n<h3>\u901a\u8fc7\u6458\u8981\u83b7\u53d6\u5370\u8c61<\/h3>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code>docker pull sha256:d164f755e525e8baee113987bdc70298da4c6f48fdc0bbd395817edf17cf7c2b\r\nkubectl run mypod --image=nginx:sha25645b23dee08af5e43a7fea6c4cf9c25ccf269ee113168c19722f87876677c5<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h3>\u5f62\u8c61\u63a8\u9001\u7b56\u7565<\/h3>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Always<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">IfNotPresent<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Never<\/ul>\n<p>&nbsp;<\/p>\n<h4>\u4e00\u76f4<\/h4>\n<p><strong>\u4e00\u76f4<\/strong><\/p>\n<h4>\u5982\u679c\u4e0d\u5b58\u5728\u7684\u8bdd<\/h4>\n<p><strong>\u5982\u679c\u4e0d\u5b58\u5728<\/strong><\/p>\n<h4>\u6c38\u4e0d<\/h4>\n<p><strong>\u6c38\u8fdc\u4e0d\u8981<\/strong><\/p>\n<p><code>\u56fe\u7247\u6c38\u8fdc\u4e0d\u8981\u88ab\u62c9\u53d6<\/code><\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d54be37434c4406cd3cc7\/63-0.png\" alt=\"ImagePullPolicy description: always, never and ifnotpresent\" \/><\/div>\n<p><a>\u5165\u573a\u63a7\u5236\u5668<\/a><\/p>\n<h4>\u9ed8\u8ba4\u7684\u56fe\u50cf\u62c9\u53d6\u7b56\u7565<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">imagePullPolicy\u3092\u7701\u7565\u3057\u3001\u30bf\u30b0\u304clatest\u306e\u5834\u5408\u3001imagePullPolicy\u306fAlways\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">imagePullPolicy \u3092\u7701\u7565\u3057\u3001\u30a4\u30e1\u30fc\u30b8\u306e\u30bf\u30b0\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001imagePullPolicy \u306f Always \u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">imagePullPolicy \u3092\u7701\u7565\u3057\u3001\u30bf\u30b0\u3092 latest \u4ee5\u5916\u306e\u5024\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3001imagePullPolicy \u306f IfNotPresent \u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/ul>\n<p>&nbsp;<\/p>\n<h3>\u9519\u8bef\u56fe\u50cf\u62c9\u53d6<\/h3>\n<p><code>kubelet = kubelet<\/code><\/p>\n<pre class=\"post-pre\"><code>$ kubectl get pods\r\nNAME    READY   STATUS             RESTARTS   AGE\r\ngoodpod 1\/1     Running            0          21h\r\nmypod   0\/1     ErrImagePull       0          4s<\/code><\/pre>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Pod\u306f\u00a0READY\u00a0\u30b9\u30c6\u30fc\u30bf\u30b9\u3067\u306f\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b9\u30c6\u30fc\u30bf\u30b9\u306f\u00a0ErrImagePull<\/ul>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code>$ kubectl logs mypod --all-containers\r\nError from server (BadRequest): container \"mycontainer\" in pod \"mypod\" is waiting to start: trying and failing to pull image<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h3>\u955c\u50cf\u62c9\u53d6\u5931\u8d25<\/h3>\n<p><a>CrashLoopBackOff\u72b6\u6001<\/a><\/p>\n<pre class=\"post-pre\"><code>$ kubectl get pods\r\nNAME    READY   STATUS             RESTARTS   AGE\r\ngoodpod 1\/1     Running            0          21h\r\nmypod   0\/1     ImagePullBackOff   0          84s<\/code><\/pre>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Pod\u306f\u00a0READY\u00a0\u30b9\u30c6\u30fc\u30bf\u30b9\u3067\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b9\u30c6\u30fc\u30bf\u30b9\u306fImagePullBackOff<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">CrashLoopBackOff\u3068\u306f\u7570\u306a\u308a\u3001\u518d\u8d77\u52d5\u306f\u306a\u3044\uff08\u53b3\u5bc6\u306b\u306fPod\u306f\u8d77\u52d5\u3059\u3089\u3057\u3066\u3044\u306a\u3044\uff09<\/ul>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code>$ kubectl describe pod mypod\r\nState:          Waiting\r\nReason:       ImagePullBackOff\r\n...\r\nWarning  Failed     3m57s (x4 over 5m28s)  kubelet            Error: ErrImagePull\r\nWarning  Failed     3m42s (x6 over 5m28s)  kubelet            Error: ImagePullBackOff\r\nNormal   BackOff    18s (x20 over 5m28s)   kubelet            Back-off pulling image \"failed-image\"<\/code><\/pre>\n<p>&nbsp;<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d54be37434c4406cd3cc7\/105-0.png\" alt=\"ErrImagePull and ImagePullBackOff timeline\" \/><\/div>\n<p><em>ErrImagePull\u548cImagePullBackOff\u7684\u65f6\u95f4\u8f74<\/em><\/p>\n<h2>\u8c03\u8bd5ErrImagePull\u548cImagePullBackOff<\/h2>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30e1\u30fc\u30b8\u304c\u9593\u9055\u3063\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30e1\u30fc\u30b8\u30bf\u30b0\u304c\u6b63\u3057\u304f\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30e1\u30fc\u30b8\u306e\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u304c\u9593\u9055\u3063\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u554f\u984c\u3001\u307e\u305f\u306f\u30a4\u30e1\u30fc\u30b8\u30ea\u30dd\u30b8\u30c8\u30ea\u304c\u5229\u7528\u3067\u304d\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30ec\u30b8\u30b9\u30c8\u30ea\u304b\u3089\u306e\u30d7\u30eb\u3067\u3042\u308b\u304c\u3001imagePullSecret \u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u306a\u3044<\/ul>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code>$ kubectl describe pod podname\r\n$ kubect logs podname \u2013all-containers\r\n$ kubectl get events --field-selector involvedObject.name=podname<\/code><\/pre>\n<p>&nbsp;<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d54be37434c4406cd3cc7\/120-0.png\" alt=\"Three terminals with debugging options for ErrImagePull and ImagePullBackOff\" \/><\/div>\n<p>&nbsp;<\/p>\n<h2>\u5176\u4ed6\u56fe\u50cf\u9519\u8bef<\/h2>\n<h3>\u9519\u8bef\u7684\u56fe\u7247\u6c38\u8fdc\u4e0d\u8981\u62c9\u53d6<\/h3>\n<p>&nbsp;<\/p>\n<h3>\u7b49\u5f85\u4e2d<\/h3>\n<p>&nbsp;<\/p>\n<h2>\u76d1\u63a7 Prometheus \u4e2d\u7684\u56fe\u50cf\u62c9\u53d6\u9519\u8bef<\/h2>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code>kube_pod_container_status_waiting_reason{reason=\"ErrImagePull\"}\r\nkube_pod_container_status_waiting_reason{reason=\"ImagePullBackOff\"}<\/code><\/pre>\n<p>&nbsp;<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d54be37434c4406cd3cc7\/138-0.png\" alt=\"Monitoring ErrImagePull and ImagePullBackOff in Prometheus\" \/><\/div>\n<p><em>\u7528 Prometheus \u76d1\u63a7 ErrImagePull \u548c ImagePullBackOff<\/em><\/p>\n<pre class=\"post-pre\"><code>kube_pod_container_status_waiting_reason{reason=\"ErrImageNeverPull\"}<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>&nbsp;<\/p>\n<hr \/>\n<h2>\u8bf7\u4f7f\u7528Sysdig Monitor\u8fdb\u884c\u89e3\u51b3Image Pull\u9519\u8bef\u7684\u6545\u969c\u6392\u9664\u3002<\/h2>\n<p>&nbsp;<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d54be37434c4406cd3cc7\/161-0.png\" alt=\"Troubleshooting ErrImagePull and ImagePullBackOff in Sysdig Monitor\" \/><\/div>\n<p><em>\u5728\u89e3\u51b3Sysdig Monitor\u7684ErrImagePull\u548cImagePullBackOff\u95ee\u9898\u65f6\u7684\u6545\u969c\u6392\u9664\u65b9\u6cd5\u3002<\/em><\/p>\n<p><a>\u8bf7\u8bd5\u752830\u5929\uff0c\u4eab\u53d7\u514d\u8d39\u4f53\u9a8c\uff01<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8 &nbsp; \u30a4\u30e1\u30fc\u30b8\u306e\u30d7\u30eb &nbsp; \u30a4\u30e1\u30fc\u30b8\u306e\u30d7\u30eb\u30dd\u30ea\u30b7\u30fc &nbsp; ErrIm [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43771","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kubernetes\u7684ErrImagePull\u548cImagePullBackOff\u7684\u8be6\u7ec6\u4fe1\u606f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes\u7684errimagepull\u548cimagepullbackoff\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\/\" \/>\n<meta property=\"og:locale\" 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