kubectl hacking

test.sh

#!/bin/bash

# Prerequisites
: "${PROJECT:?Expects PROJECT to be non-empty}"
: "${CONTEXT:?Expects CONTEXT to be non-empty}"
: "${NAMESPACE:?Expects NAMESPACE to be non-empty}"

NODE=$(\
  kubectl get nodes \
  --context=${CONTEXT} \
  --namespace=${NAMESPACE} \
  --output=jsonpath='{.items[0].metadata.name}'\
)

FLAGS=()
FLAGS+=(--project=${PROJECT})

for LABELS in \
  "component=ca" \
  "component=peer,org=org1,peer=0" \
  "component=orderer"
do
  for MAPPING in $(\
    kubectl get service \
    --selector=${LABELS} \
    --context=${CONTEXT} \
    --namespace=${NAMESPACE} \
    --output=jsonpath='{range .items[0].spec.ports[*]}{.targetPort}{":localhost:"}{.nodePort}{" "}{end}'\
  )
  do
    FLAGS+=(--ssh-flag="-L ${MAPPING}")
  done
done

gcloud compute ssh ${NODE} "${FLAGS[@]}"