#!/bin/bash

################## Set up service a ###########################

echo "Creating service a"

kubectl apply -f app/demo-service-a.yaml

################## Set up service b ###########################

echo "Fetching the external IP of service a"

endpoint=""

for run in {1..20}

do

echo "Attempt #${run} to fetch the external IP of service a..."

sleep 5

endpoint=`kubectl get svc cloud-trace-demo-a -ojsonpath='{.status.loadBalancer.ingress[0].ip}'`

if [[ "$endpoint" != "" ]]; then

break

fi

done

if [[ "$endpoint" == "" ]]; then

echo "Unable to get external IP for service cloud-trace-demo-a"

exit 1

fi

echo "Passing external IP for the first service ${endpoint} to the second service template"

sed "s/{{ endpoint }}/${endpoint}/g" app/demo-service-b.yaml.template > app/demo-service-b.yaml

kubectl apply -f app/demo-service-b.yaml

rm app/demo-service-b.yaml

################## Set up service c ###########################

echo "Fetching the external IP of service b"

endpoint=""

for run in {1..20}

do

echo "Attempt #${run} to fetch the external IP of service b..."

sleep 5

endpoint=`kubectl get svc cloud-trace-demo-b -ojsonpath='{.status.loadBalancer.ingress[0].ip}'`

if [[ "$endpoint" != "" ]]; then

break

fi

done

if [[ "$endpoint" == "" ]]; then

echo "Unable to get external IP for service cloud-trace-demo-a"

exit 1

fi

echo "Passing external IP for the service b ${endpoint} to the service c"

sed "s/{{ endpoint }}/${endpoint}/g" app/demo-service-c.yaml.template > app/demo-service-c.yaml

kubectl apply -f app/demo-service-c.yaml

rm app/demo-service-c.yaml

echo "Successfully deployed all services"