Kubectl Commands

KubectlCommands.md

get pods

kubectl get pods -n cloudplex-system | grep $1- | awk '{print $1}'

delete pod

kubectl delete po $( getpo $1 )

list pods with image name

kubectl get pods -o=jsonpath='{range .items[*]}{"\n"}{.metadata.name}{":\t\t\t"}{range .spec.containers[0]}{.image}{", "}{end}{end}' |\
sort

script for log and tail

save it in a file klog

#!/bin/bash
LINES_IN=$2
LINES=${LINES_IN:-100}
kubectl get pods -n cloudplex-system -l app=$1 | grep -v NAME | awk '{print $1}' | xargs -I {} kubectl logs -f --tail=$LINES {} $1

run it as klog <service-name> <number of lines | this is optional> klog tarantula 100

script for exec

save it in file kexec

#!/bin/bash
POD=$(kubectl get pods -n cloudplex-system -l app=$1 | grep -v NAME | awk '{print $1}') 
kubectl exec -it $POD -c $1 bash

run it as kexec <service-name> kexec tarantula

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links

• https://kubernetes.io/docs/reference/kubectl/cheatsheet/
• https://gist.github.com/so0k/42313dbb3b547a0f51a547bb968696ba
• https://kubernetes.io/docs/tasks/access-application-cluster/list-all-running-container-images/