deploy

#!/bin/bash

# exit when any command fails
set -e

function create_minikube {
    minikube start \
    --driver=kvm2 \
    --disk-size='50000mb' \
    --cpus='4' \
    --memory='16384mb' \
    --kubernetes-version='1.16.8' 

    minikube addons enable metrics-server
}

function start_dashboard {
    echo "starting dashboard"
    cd dashboard
    skaffold run
    cd ..
}

function start_customer_v1 {
    echo "starting customer-v1"
    cd customer-v1
    skaffold run
    cd ..
}

function start_casa_account_v1 {
    echo "starting casa-account-v1"
    cd casa-account-v1
    skaffold run
    cd ..
}

function start_casa_account_v2 {
    echo "starting casa-account-v2"
    cd casa-account-v2
    skaffold run
    cd ..
}

function start_load_generator {
    echo "starting load-generator"
    cd load-generator
    skaffold run
    cd ..
}

function start_ext_cust_svc {
    echo "starting ext-cust-svc"
    cd ext-cust-svc
    skaffold run
    cd ..
}


if [ "$1" = "--minikube" ]; then
    create_minikube

    echo 
    echo now manually install istio to minikube, e.g.
    echo
    echo istioctl manifest apply \\
    echo      --set profile=demo \\
    echo      --set values.global.mtls.auto=true \\
    echo      --set values.global.mtls.enabled=true \\
    echo      --set values.global.proxy.accessLogFile="" 
    echo
    echo
    echo wait a while for istio to finish install and stabalizes.
    echo if you use istio 1.4.x, please run the below command to enable 
    echo port 31400 on the istio-gateway for gRPC traffic
    echo
    echo
    echo kubectl patch svc istio-ingressgateway -n istio-system \\
    echo     --type=\'json\' \\
    echo     --patch \'[{\"op\":\"add\",\"path\":\"/spec/ports/0\", \"value\":{\"name\":\"tcp\", \"port\":31400,\"targetPort\":31400, \"protocol\":\"TCP\"}}]\'
    echo
    echo 
    echo then rerun this script without --minikube flag to install demo application

    exit 0
fi

source common.sh
get_ingress_addr

[ -z "$CTX" ] && exit 1

if [ "$CTX" = "gke1" ]; then
    APP_ENV=gke
else 
    APP_ENV=local
fi

# create namespace for deploying the demo app
APP_NAMESPACE=$(kubectl apply -f istio/envs/${APP_ENV}/namespace.yaml -o name | cut -d '/' -f 2)
if [ -z "$APP_NAMESPACE" ]; then
    echo unable to create namespace using env $APP_ENV
    exit 1
fi

if [ "$ISTIO" = "0" ]; then
    # remove namespace label if Istio is not installed
    # otherwise pods will not be run
    kubectl label namespace $APP_NAMESPACE istio-injection-
fi

# creating secret for cassandra database
kustomize build . | kubectl apply -n $APP_NAMESPACE -f -

# starting services
start_dashboard 
start_customer_v1 
start_casa_account_v1 
start_casa_account_v2 
start_ext_cust_svc 

for job in $(jobs -p)
do
    wait $job || let "FAIL+=1"
done

if [ "$FAIL" == "0" ]; then
    echo $FAIL jobs failed. some features may not work correctly
fi

echo the application services should be ready by now

if [ "$1" == "--load" ]; then
    start_load_generator &
fi

kubectl config set-context $CTX --namespace $APP_NAMESPACE
kubectl get pods

# nothing more to do if Istio is not installed
[ "$ISTIO" = "0" ] && exit 1

cd istio
./apply
cd ..

echo
echo sending a test request to endpoint
sleep 3
./ping