run

#!/bin/bash

# Env Vars:
# REGISTRY: name of the image registry/namespace to get the images

# Clean up previous run
function clean() {
  set +ex
  echo Cleaning...
  (
  ibmcloud ce app delete -n frontend -f
  ibmcloud ce app delete -n backend -f
  rm -f out
  ) > /dev/null 2>&1
}

clean
[[ "$1" == "clean" ]] && exit 0

set -ex
export REGISTRY=${REGISTRY:-ibmcom}

# Create our frontend and backend apps.
# Note that the "backend" app is "cluster local", meaning that it does
# not get assign a public facing URL. Only the "frontend" app can access it
ibmcloud ce app create -n backend --image ${REGISTRY}/priv-back --cluster-local
ibmcloud ce app create -n frontend --image ${REGISTRY}/priv-front

# Get the URL of the app for later use
URL=$(ibmcloud ce app get -n frontend -o url)

# Now call it (stop if curl fails)
curl -fsw "%{http_code}\n" $URL | tee out
[[ "${PIPESTATUS[0]}" == "0" ]]

# Verify the frontend got the right output from the backend
if ! grep "The time is now" out > /dev/null ; then
  echo "Missing expected output"
  exit 1
fi

# Clean up
clean