EKS tips

gistfile1.txt

kubectl get deployments.apps  -o name | xargs -I {} kubectl patch {} --patch "$(cat patch.yml)"

kubectl get nodes --no-headers | awk '{print $1}' | xargs -I {} sh -c 'echo {}; kubectl describe node {} | grep Allocated -A 5 | grep -ve Event -ve Allocated -ve percent -ve -- ; echo'

kubectl describe daemonset aws-node --namespace kube-system | grep Image | cut -d "/" -f 2 ( to find out the cni)

kubectl run busybox --restart=Never --image=busybox:1.28 -- sleep 3600

kubectl exec  busybox -- nslookup google.com

kubectl config set-context $(kubectl config current-context) --namespace=myapp-dev

kubectl run ubuntu --restart=Never --image=mcr.microsoft.com/aks/fundamental/base-ubuntu:v0.0.11 -- sleep 3600
kubectl run debug --restart=Never --image=ghcr.io/sudhirpandey/netshoot:latest -- sleep 3600

kubectl get secrets webui-certificate --template='{{index .data "tls.crt"}}'|base64 -d >/tmp/cert

kubectl debug pod -it --image=mcr.microsoft.com/aks/fundamental/base-ubuntu:v0.0.11

#az cli login in pod
az login --federated-token "$(cat $AZURE_FEDERATED_TOKEN_FILE)" --service-principal -u $AZURE_CLIENT_ID -t $AZURE_TENANT_ID --allow-no-subscription