{"id":6413,"date":"2019-08-29T06:37:20","date_gmt":"2019-08-29T06:37:20","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=6413"},"modified":"2021-11-16T10:54:41","modified_gmt":"2021-11-16T10:54:41","slug":"kubernetes-errors-kops-related-errors","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/kubernetes-errors-kops-related-errors\/","title":{"rendered":"Kubernetes Errors: Kops related errors"},"content":{"rendered":"\n<p><strong>Error 1<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">&#91;ec2-user@ip<span class=\"hljs-number\">-172<\/span><span class=\"hljs-number\">-31<\/span><span class=\"hljs-number\">-19<\/span><span class=\"hljs-number\">-219<\/span> ~]$ kops create cluster --name $CLUSTER_NAME --zones $AWS_AVAILABILITY_ZONES --kubernetes-version $KUBERNETES_VERSION\nI0620 <span class=\"hljs-number\">09<\/span>:<span class=\"hljs-number\">13<\/span>:<span class=\"hljs-number\">06.655156<\/span>   <span class=\"hljs-number\">22247<\/span> create_cluster.go:<span class=\"hljs-number\">1318<\/span>] Using SSH <span class=\"hljs-keyword\">public<\/span> key: \/home\/ec2-user\/.ssh\/id_rsa.pub\n\ncluster <span class=\"hljs-string\">\"cluster1.k8.rajeshkumar.xyz\"<\/span> already exists; <span class=\"hljs-keyword\">use<\/span> '<span class=\"hljs-title\">kops<\/span> <span class=\"hljs-title\">update<\/span> <span class=\"hljs-title\">cluster<\/span>' <span class=\"hljs-title\">to<\/span> <span class=\"hljs-title\">apply<\/span> <span class=\"hljs-title\">changes<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><strong>Error 2<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">&#91;ec2-user@ip<span class=\"hljs-number\">-172<\/span><span class=\"hljs-number\">-31<\/span><span class=\"hljs-number\">-19<\/span><span class=\"hljs-number\">-219<\/span> ~]$ kops update cluster\nW0620 <span class=\"hljs-number\">09<\/span>:<span class=\"hljs-number\">16<\/span>:<span class=\"hljs-number\">46.302303<\/span>   <span class=\"hljs-number\">22255<\/span> root.go:<span class=\"hljs-number\">227<\/span>] no context <span class=\"hljs-keyword\">set<\/span> in kubecfg\n\nClusterName: Required value: Cluster name is required<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><strong>Error 3<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">&#91;ec2-user@ip-172-31-19-219 ~]$ kops validate cluster\nUsing cluster from kubectl context: cluster1.k8.rajeshkumar.xyz\n\nValidating cluster cluster1.k8.rajeshkumar.xyz\n\nINSTANCE GROUPS\nNAME                    ROLE    MACHINETYPE     MIN     MAX     SUBNETS\nmaster-ap-south-1a      Master  c4.large        1       1       ap-south-1a\nnodes                   Node    t2.medium       2       2       ap-south-1a,ap-south-1b\n\nNODE STATUS\nNAME    ROLE    READY\n\nVALIDATION ERRORS\nKIND    NAME            MESSAGE\ndns     apiserver       Validation Failed\n\nThe dns-controller Kubernetes deployment has not updated the Kubernetes cluster's API DNS entry to correct IP address.  The API DNS IP address is the placeholder address that kops creates: 203.0.113.  Please wait about 5-10 minutes for a master to start, dns-controller to launch, and DNS to propa.  The protokube container and dns-controller deployment logs may contain more diagnostic informati Etcd and the API DNS entries must be updated for a kops Kubernetes cluster to start.\n\nValidation Failed<\/code><\/span><\/pre>\n\n\n<p><strong>Error 4<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">VALIDATION ERRORS\nKIND    NAME                                    MESSAGE\nPod     kube-system\/kube-dns<span class=\"hljs-number\">-756<\/span>bfc7fdf<span class=\"hljs-number\">-47<\/span>m7g   kube-system pod <span class=\"hljs-string\">\"kube-dns-756bfc7fdf-47m7g\"<\/span> is not healthy\nPod     kube-system\/kube-dns<span class=\"hljs-number\">-756<\/span>bfc7fdf<span class=\"hljs-number\">-47<\/span>m7g   kube-system pod <span class=\"hljs-string\">\"kube-dns-756bfc7fdf-47m7g\"<\/span> is not healthy\nPod     kube-system\/kube-dns<span class=\"hljs-number\">-756<\/span>bfc7fdf<span class=\"hljs-number\">-47<\/span>m7g   kube-system pod <span class=\"hljs-string\">\"kube-dns-756bfc7fdf-47m7g\"<\/span> is not healthy\nPod     kube-system\/kube-dns<span class=\"hljs-number\">-756<\/span>bfc7fdf-c5jwf   kube-system pod <span class=\"hljs-string\">\"kube-dns-756bfc7fdf-c5jwf\"<\/span> is not healthy\nPod     kube-system\/kube-dns<span class=\"hljs-number\">-756<\/span>bfc7fdf-c5jwf   kube-system pod <span class=\"hljs-string\">\"kube-dns-756bfc7fdf-c5jwf\"<\/span> is not healthy\nPod     kube-system\/kube-dns<span class=\"hljs-number\">-756<\/span>bfc7fdf-c5jwf   kube-system pod <span class=\"hljs-string\">\"kube-dns-756bfc7fdf-c5jwf\"<\/span> is not healthy\n\nValidation Failed<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n<div class=\"epyt-gallery\" data-currpage=\"1\" id=\"epyt_gallery_36321\"><iframe loading=\"lazy\"  id=\"_ytid_56697\"  width=\"760\" height=\"427\"  data-origwidth=\"760\" data-origheight=\"427\" src=\"https:\/\/www.youtube.com\/embed\/?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;rel=1&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;disablekb=0&#038;\" class=\"__youtube_prefs__  no-lazyload\" title=\"YouTube player\"  data-epytgalleryid=\"epyt_gallery_36321\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe><div class=\"epyt-gallery-list\"><div>Sorry, there was a YouTube error.<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Error 1 Error 2 Error 3 Error 4<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[4859],"tags":[],"class_list":["post-6413","post","type-post","status-publish","format-standard","hentry","category-kubernetes"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/6413","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=6413"}],"version-history":[{"count":2,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/6413\/revisions"}],"predecessor-version":[{"id":25459,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/6413\/revisions\/25459"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=6413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=6413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=6413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}