Ideally, the definitions for Kubernetes objects are all safely stored in your code repository — you can easily revert back to the previous, working iteration, you can see who changed what, and you’ve got a copy of it all available if super electromagnet man takes a stroll through the data center. Ideally. <\/p>\n\n\n\n
Here, in the real world, we took over management of a k8s implementation that’s been in service for about a year now. And, fortunately, the production<\/em> YAMLs are all in the repo. The development system, on the other hand, isn’t<\/em>. Logic dictates that the config would be similar, but it’s always good to check. <\/p>\n\n\n\n I wrote a quick script to dump YAML files for all of the configmaps, cron jobs, deployments, horizontal pod autoscaling, jobs, persistent volumes, persistent volume claims, secrets, service accounts, services, and stateful sets. <\/p>\n\n\n Ideally, the definitions for Kubernetes objects are all safely stored in your code repository — you can easily revert back to the previous, working iteration, you can see who changed what, and you’ve got a copy of it all available if super electromagnet man takes a stroll through the data center. Ideally. Here, in the …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1541],"tags":[1544,1546,1545,1542,615,1543],"class_list":["post-8661","post","type-post","status-publish","format-standard","hentry","category-kubernetes","tag-backup","tag-configuration-management","tag-export-config","tag-k8s","tag-kubernetes","tag-yaml"],"_links":{"self":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts\/8661","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8661"}],"version-history":[{"count":5,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts\/8661\/revisions"}],"predecessor-version":[{"id":8681,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts\/8661\/revisions\/8681"}],"wp:attachment":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n#!\/bin\/bash\nnsbase="namespace\/"\nfor ns in $(kubectl get namespaces -o=name)\ndo\n ns=${ns#${nsbase}}\n for n in $(kubectl get --namespace=$ns -o=name configmap,cronjob,deployment,hpa,job,pv,pvc,secret,serviceaccount,service,statefulset)\n do\n yamlfile="${ns}\/${n}.yaml"\n mkdir -p $(dirname ${ns}\/${n})\n kubectl get --namespace=$ns -o=yaml $n > $yamlfile\n done\ndone\n\n<\/pre><\/div>","protected":false},"excerpt":{"rendered":"