#!/bin/bash

gitpath=https://raw.githubusercontent.com/aws-samples/managing-eks-clusters-with-rancher/master

#Deploy a persistent volume for InfluxDB container
kubectl create -f ${gitpath}/influxdb-pvc.yaml

sleep 10

#Deploy a InfluxDB container
kubectl create -f ${gitpath}/influxdb-deploy.yaml

sleep 10

#Wait for the InfluxDB container to be ready
while true;
do
output=`kubectl get pod -n ns-citibike | grep influxdb | grep Running | wc -l`
if [[ $output -eq 0 ]]; then
 echo "Waiting for influxdb container to become available"
 sleep 2
else
 break
fi
done

#Create a database 'coordinates' in Influxdb
kubectl exec -n ns-citibike `kubectl get pod -n ns-citibike | grep influx | awk '{print $1}'` -- influx --execute "create database coordinates"

#Deploy the citibike container which queries Citi Bike and ingests data to InfluxDB 
#First we get the IP of InfluxDB container
influxdbIP=`kubectl get pod -n ns-citibike -o wide | grep influxdb | awk '{print $6}'`

#Second, we download the yaml file, modify it with the IP
curl -L ${gitpath}/citibike-deploy.yaml -o /tmp/citibike-deploy.yaml

sed -i s#influxdbIP#$influxdbIP#g /tmp/citibike-deploy.yaml

#Next we create a persistent volume in EBS to archive historical data
kubectl create -f ${gitpath}/citibike-pvc.yaml

sleep 5

#Lastly we launch the container
kubectl create -f /tmp/citibike-deploy.yaml

#Create a Kubernetes service with ELB to frontend the Grafana container
kubectl create -f ${gitpath}/grafana-svc.yaml

sleep 10

#Finally we launch the Grafana container
kubectl create -f ${gitpath}/grafana-deploy.yaml

echo 'Done !!'