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Jaime Salas ZancadaJaime Salas Zancada
Jaime Salas Zancada
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‎04-cloud/aws/09-elb/demos/01-setup/lab-setup.sh‎

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#!/bin/bash
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# Create VPC
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VPC_ID=$(aws ec2 create-vpc --cidr-block 172.31.0.0/16 \
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--instance-tenancy default \
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--tag-specifications ResourceType=vpc,Tags='[{Key=Name,Value=web-vpc}]' \
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| jq -r '.Vpc."VpcId"')
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# WARNING: Enable DNS hostnames from console!!!
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echo VPC_ID=$VPC_ID
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# Create web tier subnets
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WEB_3A=$(aws ec2 create-subnet --vpc-id $VPC_ID \
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--cidr-block 172.31.1.0/24 \
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--availability-zone eu-west-3a \
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--tag-specifications ResourceType=subnet,Tags='[{Key=Name,Value=web-3a}]' \
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| jq -r '.Subnet."SubnetId"')
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WEB_3B=$(aws ec2 create-subnet --vpc-id $VPC_ID \
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--cidr-block 172.31.2.0/24 \
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--availability-zone eu-west-3b \
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--tag-specifications ResourceType=subnet,Tags='[{Key=Name,Value=web-3b}]' \
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| jq -r '.Subnet."SubnetId"')
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echo WEB_3A=$WEB_3A
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echo WEB_3B=$WEB_3B
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# Create app tier subnets
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APP_3A=$(aws ec2 create-subnet --vpc-id $VPC_ID \
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--availability-zone eu-west-3a \
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--cidr-block 172.31.101.0/24 \
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--tag-specifications ResourceType=subnet,Tags='[{Key=Name,Value=app-3a}]' \
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| jq -r '.Subnet."SubnetId"')
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APP_3B=$(aws ec2 create-subnet --vpc-id $VPC_ID \
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--availability-zone eu-west-3b \
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--cidr-block 172.31.102.0/24 \
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--tag-specifications ResourceType=subnet,Tags='[{Key=Name,Value=app-3b}]' \
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| jq -r '.Subnet."SubnetId"')
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echo APP_3A=$APP_3A
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echo APP_3B=$APP_3B
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# Create internet gateway
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IGW=$(aws ec2 create-internet-gateway \
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--tag-specifications ResourceType=internet-gateway,Tags='[{Key=Name,Value=webapp-igw}]' \
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| jq -r '.InternetGateway."InternetGatewayId"')
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aws ec2 attach-internet-gateway --internet-gateway-id $IGW --vpc-id $VPC_ID
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echo IGW=$IGW
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# Create route table and associate with subnets
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RT=$(aws ec2 create-route-table --vpc-id $VPC_ID \
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--tag-specifications ResourceType=route-table,Tags='[{Key=Name,Value=webapp-rt}]' \
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| jq -r '.RouteTable."RouteTableId"')
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echo RT=$RT
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aws ec2 associate-route-table --route-table-id $RT --subnet-id $WEB_3A
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aws ec2 associate-route-table --route-table-id $RT --subnet-id $WEB_3B
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aws ec2 associate-route-table --route-table-id $RT --subnet-id $APP_3A
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aws ec2 associate-route-table --route-table-id $RT --subnet-id $APP_3B
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# Add default routes
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aws ec2 create-route \
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--route-table-id $RT \
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--destination-cidr-block 0.0.0.0/0 \
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--gateway-id $IGW
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# Create security groups
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WEBSG=$(aws ec2 create-security-group \
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--group-name web-sg \
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--description "web-sg" \
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--vpc-id $VPC_ID | jq -r '.GroupId')
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APPSG=$(aws ec2 create-security-group \
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--group-name app-sg \
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--description "app-sg" \
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--vpc-id $VPC_ID | jq -r '.GroupId')
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DBSG=$(aws ec2 create-security-group \
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--group-name db-sg \
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--description "db-sg" \
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--vpc-id $VPC_ID | jq -r '.GroupId')
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echo WEBSG=$WEBSG
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echo APPSG=$APPSG
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echo DBSG=$DBSG
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# Set up permissions on Security Groups
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aws ec2 authorize-security-group-ingress \
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--group-id $WEBSG \
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--ip-permissions '[{"IpProtocol":"tcp","FromPort":80,"ToPort":80,"IpRanges":[{"CidrIp":"0.0.0.0/0"}]},{"IpProtocol":"tcp","FromPort":443,"ToPort":443,"IpRanges": [{"CidrIp":"0.0.0.0/0"}]},{"IpProtocol":"tcp","FromPort":8443,"ToPort":8443,"IpRanges":[{"CidrIp":"172.31.1.0/24"},{"CidrIp":"172.31.2.0/24"},{"CidrIp":"172.31.101.0/24"},{"CidrIp":"172.31.102.0/24"}]},{"IpProtocol": "tcp","FromPort":81,"ToPort":81,"IpRanges":[{"CidrIp":"172.31.0.0/16"}]},{"IpProtocol":"tcp","FromPort":22,"ToPort": 22,"IpRanges":[{"CidrIp": "0.0.0.0/0"}]}]'
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aws ec2 authorize-security-group-ingress \
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--group-id $APPSG \
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--ip-permissions '[{"IpProtocol":"tcp","FromPort":8080,"ToPort":8080,"IpRanges":[{"CidrIp":"172.31.1.0/24"},{"CidrIp":"172.31.2.0/24"},{"CidrIp":"172.31.101.0/24"},{"CidrIp":"172.31.102.0/24"}]},{"IpProtocol":"tcp","FromPort":8443,"ToPort":8443,"IpRanges":[{"CidrIp":"172.31.1.0/24"},{"CidrIp":"172.31.2.0/24"},{"CidrIp":"172.31.101.0/24"},{"CidrIp":"172.31.102.0/24"}]},{"IpProtocol":"tcp","FromPort":22,"ToPort":22,"IpRanges":[{"CidrIp":"0.0.0.0/0"}]}]'
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aws ec2 authorize-security-group-ingress \
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--group-id $DBSG \
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--ip-permissions '[{"IpProtocol":"tcp","FromPort":27017,"ToPort":27017,"IpRanges":[{"CidrIp":"172.31.101.0/24"},{"CidrIp":"172.31.102.0/24"}]},{"IpProtocol":"tcp","FromPort":22,"ToPort":22,"IpRanges":[{"CidrIp": "0.0.0.0/0"}]}]'
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# Set instance defaults
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INSTANCE_TYPE=t3.micro
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IMAGE_ID=ami-0302f42a44bf53a45
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# Create web instances
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aws ec2 run-instances \
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--image-id $IMAGE_ID \
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--instance-type $INSTANCE_TYPE \
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--subnet-id $WEB_3A \
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--key-name devops_trainer_key \
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--security-group-ids $WEBSG \
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--associate-public-ip-address \
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--private-ip-address 172.31.1.21 \
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--tag-specifications ResourceType=instance,Tags='[{Key=Name,Value=web1}]'
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aws ec2 run-instances \
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--image-id $IMAGE_ID \
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--instance-type $INSTANCE_TYPE \
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--subnet-id $WEB_3B \
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--key-name devops_trainer_key \
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--security-group-ids $WEBSG \
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--associate-public-ip-address \
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--private-ip-address 172.31.2.22 \
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--tag-specifications ResourceType=instance,Tags='[{Key=Name,Value=web2}]'
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aws ec2 run-instances \
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--image-id $IMAGE_ID \
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--instance-type $INSTANCE_TYPE \
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--subnet-id $WEB_3B \
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--key-name devops_trainer_key \
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--security-group-ids $WEBSG \
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--associate-public-ip-address \
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--private-ip-address 172.31.2.23 \
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--tag-specifications ResourceType=instance,Tags='[{Key=Name,Value=web3}]'
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# Create app instances
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aws ec2 run-instances \
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--image-id $IMAGE_ID \
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--instance-type $INSTANCE_TYPE \
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--subnet-id $APP_3A \
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--key-name devops_trainer_key \
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--security-group-ids $APPSG \
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--associate-public-ip-address \
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--private-ip-address 172.31.101.21 \
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--tag-specifications ResourceType=instance,Tags='[{Key=Name,Value=app1}]'
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aws ec2 run-instances \
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--image-id $IMAGE_ID \
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--instance-type $INSTANCE_TYPE \
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--subnet-id $APP_3B \
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--key-name devops_trainer_key \
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--security-group-ids $APPSG \
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--associate-public-ip-address \
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--private-ip-address 172.31.102.22 \
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--tag-specifications ResourceType=instance,Tags='[{Key=Name,Value=app2}]'
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aws ec2 run-instances \
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--image-id $IMAGE_ID \
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--instance-type $INSTANCE_TYPE \
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--subnet-id $APP_3B \
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--key-name devops_trainer_key \
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--security-group-ids $APPSG \
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--associate-public-ip-address \
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--private-ip-address 172.31.102.23 \
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--tag-specifications ResourceType=instance,Tags='[{Key=Name,Value=app3}]'
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# Create db instance
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aws ec2 run-instances \
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--image-id $IMAGE_ID \
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--instance-type $INSTANCE_TYPE \
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--subnet-id $APP_3A \
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--key-name devops_trainer_key \
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--security-group-ids $DBSG \
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--associate-public-ip-address \
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--private-ip-address 172.31.101.99 \
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--tag-specifications ResourceType=instance,Tags='[{Key=Name,Value=db}]'

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