{"id":20595,"date":"2021-03-24T10:20:09","date_gmt":"2021-03-24T10:20:09","guid":{"rendered":"http:\/\/www.devopsschool.com\/blog\/?p=20595"},"modified":"2025-01-23T12:45:32","modified_gmt":"2025-01-23T12:45:32","slug":"explained-kubernetes-jobs-and-cronjobs-with-example","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/explained-kubernetes-jobs-and-cronjobs-with-example\/","title":{"rendered":"Explained Kubernetes Jobs and Cronjobs with Example"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"360\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2021\/03\/kubernetes-job-cronjobs-1.jpg\" alt=\"\" class=\"wp-image-20601\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2021\/03\/kubernetes-job-cronjobs-1.jpg 640w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2021\/03\/kubernetes-job-cronjobs-1-300x169.jpg 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2021\/03\/kubernetes-job-cronjobs-1-355x199.jpg 355w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Cronjob Example 1<\/h2>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">apiVersion: batch\/v1beta1\n<span class=\"hljs-attr\">kind<\/span>: CronJob\n<span class=\"hljs-attr\">metadata<\/span>:\n  name: hello\n<span class=\"hljs-attr\">spec<\/span>:\n  schedule: <span class=\"hljs-string\">\"*\/1 * * * *\"<\/span>\n  <span class=\"hljs-attr\">jobTemplate<\/span>:\n    spec:\n      template:\n        spec:\n          containers:\n          - name: hello\n            <span class=\"hljs-attr\">image<\/span>: busybox\n            <span class=\"hljs-attr\">imagePullPolicy<\/span>: IfNotPresent\n            <span class=\"hljs-attr\">command<\/span>:\n            - <span class=\"hljs-regexp\">\/bin\/<\/span>sh\n            - -c\n            - date; echo Hello <span class=\"hljs-keyword\">from<\/span> the Kubernetes cluster\n          <span class=\"hljs-attr\">restartPolicy<\/span>: OnFailure<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><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<h2 class=\"wp-block-heading\">job Example<\/h2>\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\">apiVersion: batch\/v1\n<span class=\"hljs-attr\">kind<\/span>: Job\n<span class=\"hljs-attr\">metadata<\/span>:\n  name: pi\n<span class=\"hljs-attr\">spec<\/span>:\n  template:\n    spec:\n      containers:\n      - name: pi\n        <span class=\"hljs-attr\">image<\/span>: perl\n        <span class=\"hljs-attr\">command<\/span>: &#91;<span class=\"hljs-string\">\"perl\"<\/span>,  <span class=\"hljs-string\">\"-Mbignum=bpi\"<\/span>, <span class=\"hljs-string\">\"-wle\"<\/span>, <span class=\"hljs-string\">\"print bpi(2000)\"<\/span>]\n      <span class=\"hljs-attr\">restartPolicy<\/span>: Never\n  <span class=\"hljs-attr\">backoffLimit<\/span>: <span class=\"hljs-number\">4<\/span>\n<\/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<div class=\"epyt-gallery\" data-currpage=\"1\" id=\"epyt_gallery_23989\"><iframe loading=\"lazy\"  id=\"_ytid_66121\"  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_23989\"  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>Cronjob Example 1 job Example<\/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-20595","post","type-post","status-publish","format-standard","hentry","category-kubernetes"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/20595","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=20595"}],"version-history":[{"count":4,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/20595\/revisions"}],"predecessor-version":[{"id":24474,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/20595\/revisions\/24474"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=20595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=20595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=20595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}