k8s-port-forward

#!/bin/bash

usage="k8s-port-forward <env> <pod_name_to_grep> <local_port:pod_port>"
notes="this port-forwards the port mapping from the first pod matching the grep string"

pod_names=$2
ports=$3

# reads "env" param, loads "namespace" param
. "$(dirname "${BASH_SOURCE[0]}")/load-config.sh"

first_matching_pod=$(kubectl --namespace=$namespace get pods | grep $pod_names | cut -f 1 -d ' ' | head -n 1)

if [[ -z "$first_matching_pod" ]]; then
  echo "No pods found in env '$env' with namespace '$namespace' matching '$pod_names'"
else
  echo "port-forwarding from pod $first_matching_pod"

  kubectl --namespace=$namespace port-forward $first_matching_pod $ports
fi