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128 строки
3.6 KiB
Plaintext
128 строки
3.6 KiB
Plaintext
https://kubernetes.io/ru/docs/reference/kubectl/cheatsheet/
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2022
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https://www.learncloudnative.com/blog/2022-05-10-kubectl-tips
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kubectl
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--kubeconfig=...
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completion -h
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??? port-forward ???
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for "probros" local <-> remote ports
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config
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https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#-em-set-context-em-
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current-context
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show current context
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set-context
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--current --namespace kube-system.
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use-context
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minikube
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cluster-info
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api-resources
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!!! ??? get resources of all kinds (from api-server)
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explain
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... doc on specific part of descr ...
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ex:
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deployment.spec.strategy
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auth
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can-i
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list pod
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get hr
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get
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namespace
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list namespaces
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nodes
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events
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po[ds]
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-o yaml
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[--namespace=kube-system]
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-l app=<name>
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rs[replicaset]
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svc
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ingress
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secrets
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cm, configmap
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<cm-name> -o yaml
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rs[replicaset]
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pv
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list pvc-s
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set
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# !!! this does not change already running PODs
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# in fact - we just change template
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image rs[replicaset] <rs-name> <container-name>=.../nginx:1.13
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'*=.../nxinx:1.13' # in case of single container
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logs
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deploy/<deployment-name> -c <container-name>
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edit
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deployment
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? what else ?
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edit ... stuff ... with platform default text editor
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run
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first-deployment --image=katacoda/docker-http-server --port=80
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-it --image=tutum/curl bash
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expose
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deployment first-deployment --port=80 --type=NodePort
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svc
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first-deployment
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export PORT=$(kubectl get svc first-deployment -o go-template='{{range.spec.ports}}{{if .nodePort}}{{.nodePort}}{{"\n"}}{{end}}{{end}}')
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create # can't re-create
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[--validate=false]
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-f <local-file.yaml>
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-f https://raw.githubusercontent.com/kubernetes/kubernetes/master/examples/guestbook/all-in-one/guestbook-all-in-one.yaml
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namespace <name>
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create a new <name> namespace
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apply # can apply multiple time
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-f https://k8s.io/docs/tutorials/stateless-application/deployment-scale.yaml
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delete
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all [--all] [-A]
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pod
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replicaset
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service <name>
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deployment <name>
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describe
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[--namespace=kube-system]
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[po]ds <name>
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[deploy]ment <name>
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[rs]replicaset <name>
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exec
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https://itsecforu.ru/2022/07/29/%e2%98%b8%ef%b8%8f-%d0%ba%d0%b0%d0%ba-%d0%b2%d1%8b%d0%bf%d0%be%d0%bb%d0%bd%d1%8f%d1%82%d1%8c-%d0%ba%d0%be%d0%bc%d0%b0%d0%bd%d0%b4%d1%8b-%d0%b2%d0%bd%d1%83%d1%82%d1%80%d0%b8-%d0%ba%d0%be%d0%bd%d1%82/
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<pod-name>
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[-ti]
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-- <cmd>
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wait
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https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#wait
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--for=condition=ready --timeout=60s pod/<pod-id> -n <node-id>
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diff
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https://github.com/kubernetes/enhancements/issues/491
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uncordon
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???
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scale
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--replicas <N>
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replicaset <rs-name>
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rollout
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[undo|history] deployment <dpl-name>
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# ... revision-history-limit
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k explain deployment.spec.strategy
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field type - "RollingUpdate|Recreate"
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k explain deployment.spec.strategy.rollingUpdate
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maxSurge - for how much we can increase ... up to desired state
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maxUnavailable - ... can use percents ...
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port-forward <svc> <p1:p2>
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-n<namespace>
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proxy
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???
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