istio_demo.sh

#!/bin/bash

function startmsg {
	echo -e "\e[32m[ ] $1\e[21m"
}

function endmsg {
	echo -e "\e[1m\e[32m[x] $1\e[21m"
}

# Running on Kubernetes for Docker
export KIALI_URL=http://localhost:15029/kiali
export PROMETHEUS_URL=http://localhost:15030 
export GRAFANA_URL=http://localhost:15031
export JAEGER_URL=http://localhost:15032/jaeger

startmsg "Checking prerequisites"

COMMANDS=(kubectl helm istioctl envsubst curl)
for CMD in "${COMMANDS[@]}"
do
	which "$CMD" >/dev/null 2>&1
	if [ ! "$?" == "0" ]; then
		echo "$CMD command not found. Aborting installation."
		exit 1
	fi
done

endmsg "Checking prerequisites"

startmsg "Installing Istio and Kiali"

cd `mktemp -d`
wget https://github.com/istio/istio/releases/download/1.1.9/istio-1.1.9-osx.tar.gz
tar zxvf istio-1.1.9-osx.tar.gz
cd istio-1.1.9

kubectl create clusterrolebinding cluster-admin-binding --clusterrole=cluster-admin
kubectl create namespace istio-system
helm template install/kubernetes/helm/istio-init --name istio-init --namespace istio-system | kubectl apply -f -

CRDS=0
for i in {1..30}
do
	CRDS=$(kubectl get crds | grep 'istio.io\|certmanager.k8s.io' | wc -l)
	if [ ! "$CRDS" == "53" ]; then
		echo "[${i}] Waiting for CRDs..."
		sleep 2
	else
		break
	fi
done

if [ ! "$CRDS" == "53" ]; then
	echo "CRDs have not been created. Aborting installation."
fi

TMPKIALI=$(mktemp -d)
curl -L https://git.io/fjohL | envsubst > $TMPKIALI/update-kiali-cr.yaml
curl -L https://git.io/getLatestKialiOperator > $TMPKIALI/getLatestKialiOperator
sh $TMPKIALI/getLatestKialiOperator -oiv v1.0.0 --kiali-cr $TMPKIALI/update-kiali-cr.yaml

endmsg "Installing Istio and Kiali"

startmsg "Installing demo application"

helm template install/kubernetes/helm/istio --name istio --namespace istio-system \
  --values install/kubernetes/helm/istio/values-istio-demo.yaml | kubectl apply -f - 

curl -L https://git.io/fj2rL | kubectl apply -f -
	
kubectl create namespace travel-agency
kubectl label namespace travel-agency istio-injection=enabled

TMPCURL=`mktemp`
curl -L https://git.io/fjoH0 > $TMPCURL
kubectl apply -f $TMPCURL -n travel-agency

kubectl create namespace travel-portal
kubectl label namespace travel-portal istio-injection=enabled

curl -L https://git.io/fjoQ1 > $TMPCURL
kubectl apply -f $TMPCURL -n travel-portal

endmsg "Installing demo application"

startmsg "Verifying everything is installed. Ctrl+C to continue..."
kubectl get pods --all-namespaces -w

echo "KIALI_URL=$KIALI_URL"
echo "PROMETHEUS_URL=$PROMETHEUS_URL" 
echo "GRAFANA_URL=$GRAFANA_URL"
echo "JAEGER_URL=$JAEGER_URL"