K8s/Run

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export KUBECONFIG="${HOME}/.kube/lke-dev-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/gke-uat-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/eks-pro-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/config"
kubectl config get-contexts
kubectl cluster-info
kubectl get ns|grep swiss-knife
kubectl delete ns   swiss-knife
kubectl create ns   swiss-knife

Run

Run » PSQL

kubectl -n swiss-knife run -i --tty --rm psql --image=alpine --restart=Never -- sh
echo -n password: ;read -s PGPASSWORD;export PGPASSWORD;echo
apk --update add postgresql-client inetutils-telnet

psql -d postgres -U postgres -h postgresql.postgresql

Run » Infinity

kubectl -n swiss-knife run infinity --image=alpine -- sleep infinity
kubectl -n swiss-knife exec -it infinity -- sh
apk --update add inetutils-telnet

Run » Redis CLI

kubectl -n swiss-knife run -i --tty --rm redis-cli --image=alpine --restart=Never -- sh
echo -n password: ;read -s REDISCLI_AUTH;export REDISCLI_AUTH;echo
apk --update add redis inetutils-telnet

echo 'ping'|redis-cli -h redis-headless.redis

Run » MinIO CLI

kubectl -n swiss-knife run -i --tty --rm minio-cli --image=alpine --restart=Never -- sh
apk --update add minio-client inetutils-telnet

mcli alias set  k8s_gitlab_aa http://minio.minio:9000 Tnen3kCv71osfJKkhcIP rxMU6fWayQD6no1p1LO7orBmxNMtbKuyHITpflBJ
mcli admin info k8s_gitlab_aa

mcli alias set  k8s_gitlab_ab http://minio.minio:9000 FfG564tLdSlgaM2t0ig0 FEbThROKMZ06Feddr1SUMk85g4wRM5NZnVVrS24V
mcli admin info k8s_gitlab_ab

mcli alias set  s3_host_ab http://s3.host.k8s.local O2PLF0Pznp12HNbT9FbJ YIISq1Srxf9gv24fxkryN5ilQDg8P5wxJXt1qgle
mcli admin info s3_host_ab

mcli alias set  s3_host_aa http://s3.host.k8s.local 6zXMWye9rOjKgpka pHKjpqiXK4RLpvdyX7qYuwbIk5KAkKa6
mcli admin info s3_host_aa

mcli alias set  k8s_admin http://minio.minio:9000 admin sadaqah!
mcli admin info k8s_admin

Playground

kubectl -n swiss-knife delete pods minio-cli
kubectl -n swiss-knife delete pods redis-cli
kubectl -n swiss-knife delete pods infinity
kubectl -n swiss-knife delete pods psql
kubectl -n swiss-knife run infinity --image=alpine -- sleep infinity
kubectl -n swiss-knife run ubuntu   --image=ubuntu -- sleep infinity

References