Created
October 22, 2022 00:47
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Kube Proxy - Use a Kubernetes cluster to proxy out to somewhere else
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| function kubeproxy() { | |
| setopt local_traps | |
| pod_name="socat-$(whoami)" | |
| if [[ "${2}x" == "x" ]]; then | |
| echo "Usage: kubeproxy [Hostname] [Port]" | |
| return 0 | |
| fi | |
| if kubectl run --restart=Never --image=alpine/socat $pod_name -- -d -d tcp-listen:$2,fork,reuseaddr tcp-connect:$1:$2; then | |
| while [[ $(kubectl get pod $pod_name -o json | jq -r '.status.phase') != "Running" ]]; do | |
| sleep 0.1 | |
| done | |
| proxy_command="kubectl port-forward $pod_name $2:$2" | |
| trap "kubectl delete pod --wait=false $pod_name" INT TERM EXIT | |
| if eval "$proxy_command"; then | |
| :; | |
| else | |
| echo -e "Pod created but \e[36;m$proxy_command\e[0;m failed" | |
| echo -e "Trying a different local port (\e[32;m8888\e[0;m)" | |
| if kubectl port-forward $pod_name 8888:$2; then | |
| :; | |
| else | |
| echo -e "Unable to port-forward, deleting \e[32;m$pod_name\e[0;m" | |
| kubectl delete pod --wait=false $pod_name | |
| fi | |
| fi | |
| else | |
| echo -e "\e[31;mPod did not start correctly, delete \e[32m$pod_name\e[31;m if it exists\e[0;m" | |
| fi | |
| } |
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