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install

install sdkman

from https://github.com/sdkman/homebrew-tap

brew tap sdkman/tap
brew install sdkman-cli

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##
# kubectl apply -f all-in-one.yaml
# # might need to be apply twice
# kubectl apply -f all-in-one.yaml
###
# # you can check with the following commandes
###
# kubectl --as=system:serviceaccount:shyrka-erebus-operators:shyrka-erebus get ns
# kubectl --as=system:serviceaccount:shyrka-erebus-operators:shyrka-erebus get hypnos
###--

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oc create ns sample-etcd-backup oc project sample-etcd-backup oc create sa bck -n sample-etcd-backup #oc adm policy add-scc-to-user anyuid system:serviceaccount:sample-etcd-backup:bck #oc adm policy add-scc-to-user hostmount-anyuid system:serviceaccount:sample-etcd-backup:bck oc adm policy add-scc-to-user privileged system:serviceaccount:sample-etcd-backup:bck

$ helm repo add minio https://helm.min.io/ "minio" has been added to your repositories

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/*
 * Copyright 2007-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

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Reaching kubelet API endpoints

If you have a valid kubeconfig, then you can proxy through the apiserver to reach the kubelet's API on each node

kubectl proxy

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kubectl top pod
kubectl top nodes

kubectl get po -A -o custom-columns=NS:.metadata.namespace,NAME:.metadata.name,NODE:.spec.nodeName,RSRC0:.spec.containers[0].resources.requests.cpu,RSRM0:.spec.containers[0].resources.requests.memory,RSRL0:.spec.containers[0].resources.limits.cpu,RSLM0:.spec.containers[0].resources.limits.memory

kubectl get po -A --field-selector spec.nodeName=worker512

kubectl get po -A --field-selector spec.nodeName=worker512 custom-columns=NS:.metadata.namespace,NAME:.metadata.name,NODE:.spec.nodeName,RSRC0:.spec.containers[0].resources.requests.cpu,RSRM0:.spec.containers[0].resources.requests.memory,RSRL0:.spec.containers[0].resources.limits.cpu,RSLM0:.spec.containers[0].resources.limits.memory --no-headers | while read ns po nd RSRC0 RSRM0 RSLC0 RSLM0 ; do kubectl label -n $ns po $po peek-top=20191222; done

kubectl top pod -A -l peek-top=20191222

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# don't use --global
#
# vim .git/config
# [core]
#        ...
#        
#[remote "origin"]
#        ...
#[branch "master"]
#        ...

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oc get --ignore-not-found $( oc api-resources --verbs=list --namespaced -o name | xargs | sed 's/\ /,/g')

k get --ignore-not-found $( k api-resources --verbs=list --namespaced -o name | xargs | sed 's/\ /,/g')

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oc get --ignore-not-found $( oc api-resources --verbs=list --namespaced -o name | xargs | sed 's/\ /,/g')

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oc get --ignore-not-found $( oc api-resources --verbs=list --namespaced -o name | xargs | sed 's/\ /,/g')