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import time |
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import boto3 |
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from botocore.exceptions import ClientError |
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region = 'eu-central-1' |
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availabilityZone = 'eu-central-1b' |
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imageId = 'ami-0cc293023f983ed53' |
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instanceType = 't3.nano' |
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keyName = 'srieger-pub' |
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subnet1 = 'subnet-41422b28' |
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subnet2 = 'subnet-5c5f6d16' |
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subnet3 = 'subnet-6f2ea214' |
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userDataDB = ('#!/bin/bash\n' |
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'#!/bin/bash\n' |
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'# extra repo for RedHat rpms\n' |
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'yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm\n' |
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'# essential tools\n' |
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'yum install -y joe htop git\n' |
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'# mysql\n' |
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'yum install -y mariadb mariadb-server\n' |
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'\n' |
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'service mariadb start\n' |
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'\n' |
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'echo "create database cloud_tug_of_war" | mysql -u root\n' |
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'\n' |
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'echo "create table clouds ( cloud_id INT AUTO_INCREMENT, name VARCHAR(255) NOT NULL, value INT, max_value INT, PRIMARY KEY (cloud_id))" | mysql -u root cloud_tug_of_war\n' |
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'\n' |
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'echo "CREATE USER \'cloud_tug_of_war\'@\'%\' IDENTIFIED BY \'cloudpass\';" | mysql -u root\n' |
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'echo "GRANT ALL PRIVILEGES ON cloud_tug_of_war.* TO \'cloud_tug_of_war\'@\'%\';" | mysql -u root\n' |
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'echo "FLUSH PRIVILEGES" | mysql -u root\n' |
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) |
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# convert with: cat install-mysql | sed "s/^/'/; s/$/\\\n'/" |
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client = boto3.setup_default_session(region_name=region) |
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ec2Client = boto3.client("ec2") |
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ec2Resource = boto3.resource('ec2') |
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response = ec2Client.describe_vpcs() |
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vpc_id = response.get('Vpcs', [{}])[0].get('VpcId', '') |
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elbv2Client = boto3.client('elbv2') |
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asClient = boto3.client('autoscaling') |
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print("Deleting auto scaling group...") |
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print("------------------------------------") |
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try: |
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response = asClient.delete_auto_scaling_group(AutoScalingGroupName='tug-of-war-asg-autoscalinggroup', ForceDelete=True) |
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except ClientError as e: |
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print(e) |
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print("Deleting launch configuration...") |
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print("------------------------------------") |
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try: |
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response = asClient.delete_launch_configuration(LaunchConfigurationName='tug-of-war-asg-launchconfig') |
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except ClientError as e: |
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print(e) |
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print("Deleting old instances...") |
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print("------------------------------------") |
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response = ec2Client.describe_instances(Filters=[{'Name': 'tag-key', 'Values': ['tug-of-war-asg']}]) |
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print(response) |
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reservations = response['Reservations'] |
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for reservation in reservations: |
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for instance in reservation['Instances']: |
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if instance['State']['Name'] == "running" or instance['State']['Name'] == "pending": |
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response = ec2Client.terminate_instances(InstanceIds=[instance['InstanceId']]) |
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print(response) |
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instanceToTerminate = ec2Resource.Instance(instance['InstanceId']) |
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instanceToTerminate.wait_until_terminated() |
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print("Deleting load balancer and deps...") |
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print("------------------------------------") |
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try: |
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response = elbv2Client.describe_load_balancers(Names=['tug-of-war-asg-loadbalancer']) |
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loadbalancer_arn = response.get('LoadBalancers', [{}])[0].get('LoadBalancerArn', '') |
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response = elbv2Client.delete_load_balancer(LoadBalancerArn=loadbalancer_arn) |
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except ClientError as e: |
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print(e) |
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time.sleep(5) |
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try: |
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response = elbv2Client.describe_target_groups(Names=['tug-of-war-asg-targetgroup']) |
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targetgroup_arn = response.get('TargetGroups', [{}])[0].get('TargetGroupArn', '') |
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response = elbv2Client.delete_target_group(TargetGroupArn=targetgroup_arn) |
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except ClientError as e: |
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print(e) |
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print("Delete old security group...") |
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print("------------------------------------") |
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try: |
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response = ec2Client.delete_security_group(GroupName='tug-of-war-asg') |
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except ClientError as e: |
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print(e) |
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print("Create security group...") |
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print("------------------------------------") |
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try: |
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response = ec2Client.create_security_group(GroupName='tug-of-war-asg', |
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Description='tug-of-war-asg', |
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VpcId=vpc_id) |
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security_group_id = response['GroupId'] |
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print('Security Group Created %s in vpc %s.' % (security_group_id, vpc_id)) |
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data = ec2Client.authorize_security_group_ingress( |
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GroupId=security_group_id, |
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IpPermissions=[ |
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{'IpProtocol': 'tcp', |
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'FromPort': 3306, |
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'ToPort': 3306, |
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'IpRanges': [{'CidrIp': '0.0.0.0/0'}]}, |
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{'IpProtocol': 'tcp', |
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'FromPort': 22, |
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'ToPort': 22, |
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'IpRanges': [{'CidrIp': '0.0.0.0/0'}]}, |
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{'IpProtocol': 'tcp', |
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'FromPort': 80, |
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'ToPort': 80, |
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'IpRanges': [{'CidrIp': '0.0.0.0/0'}]}, |
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{'IpProtocol': 'tcp', |
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'FromPort': 443, |
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'ToPort': 443, |
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'IpRanges': [{'CidrIp': '0.0.0.0/0'}]} |
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]) |
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print('Ingress Successfully Set %s' % data) |
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except ClientError as e: |
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print(e) |
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print("Running new DB instance...") |
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print("------------------------------------") |
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response = ec2Client.run_instances( |
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ImageId=imageId, |
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InstanceType=instanceType, |
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Placement={'AvailabilityZone': availabilityZone, }, |
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KeyName=keyName, |
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MinCount=1, |
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MaxCount=1, |
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UserData=userDataDB, |
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SecurityGroupIds=[ |
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security_group_id, |
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], |
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TagSpecifications=[ |
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{ |
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'ResourceType': 'instance', |
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'Tags': [ |
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{'Key': 'Name', 'Value': 'tug-of-war-asg-db1'}, |
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{'Key': 'tug-of-war-asg', 'Value': 'db'} |
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], |
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} |
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], |
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) |
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instanceIdDB = response['Instances'][0]['InstanceId'] |
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privateIpDB = response['Instances'][0]['PrivateIpAddress'] |
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# privateIpDB = response['Instances'][0]['NetworkInterfaces'][0]['NetworkInterfaceId'] |
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instance = ec2Resource.Instance(instanceIdDB) |
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instance.wait_until_running() |
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print(instanceIdDB) |
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userDataWebServer = ('#!/bin/bash\n' |
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'# extra repo for RedHat rpms\n' |
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'yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm\n' |
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'# essential tools\n' |
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'yum install -y joe htop git\n' |
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'# mysql\n' |
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'yum install -y httpd php php-mysql\n' |
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'\n' |
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'service httpd start\n' |
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'service httpd start\n' |
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'\n' |
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# 'wget http://mmnet.informatik.hs-fulda.de/cloudcomp/tug-of-war-in-the-clouds.tar.gz\n' |
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# 'cp tug-of-war-in-the-clouds.tar.gz /var/www/html/\n' |
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# 'tar zxvf tug-of-war-in-the-clouds.tar.gz\n' |
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'cd /var/www/html\n' |
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'wget https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/master/example-projects/tug-of-war-in-the-clouds/web-content/index.php\n' |
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'wget https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/master/example-projects/tug-of-war-in-the-clouds/web-content/cloud.php\n' |
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'wget https://gogs.informatik.hs-fulda.de/srieger/cloud-computing-msc-ai-examples/raw/master/example-projects/tug-of-war-in-the-clouds/web-content/config.php\n' |
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'\n' |
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'# change hostname of db connection\n' |
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'sed -i s/localhost/' + privateIpDB + '/g /var/www/html/config.php\n' |
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) |
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print("Creating launch configuration...") |
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print("------------------------------------") |
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response = asClient.create_launch_configuration( |
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#IamInstanceProfile='my-iam-role', |
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ImageId=imageId, |
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InstanceType=instanceType, |
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LaunchConfigurationName='tug-of-war-asg-launchconfig', |
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UserData=userDataWebServer, |
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KeyName=keyName, |
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SecurityGroups=[ |
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security_group_id, |
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], |
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) |
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elbv2Client = boto3.client('elbv2') |
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print("Creating load balancer...") |
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print("------------------------------------") |
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response = elbv2Client.create_load_balancer( |
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Name='tug-of-war-asg-loadbalancer', |
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Subnets=[ |
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subnet1, |
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subnet2, |
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subnet3, |
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], |
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SecurityGroups=[ |
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security_group_id |
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] |
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) |
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loadbalancer_arn = response.get('LoadBalancers', [{}])[0].get('LoadBalancerArn', '') |
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loadbalancer_dns = response.get('LoadBalancers', [{}])[0].get('DNSName', '') |
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print("Creating target group...") |
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print("------------------------------------") |
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response = elbv2Client.create_target_group( |
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Name='tug-of-war-asg-targetgroup', |
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Port=80, |
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Protocol='HTTP', |
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VpcId=vpc_id, |
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) |
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targetgroup_arn = response.get('TargetGroups', [{}])[0].get('TargetGroupArn', '') |
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print("Creating listener...") |
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print("------------------------------------") |
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response = elbv2Client.create_listener( |
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DefaultActions=[ |
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{ |
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'TargetGroupArn': targetgroup_arn, |
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'Type': 'forward', |
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}, |
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], |
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LoadBalancerArn=loadbalancer_arn, |
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Port=80, |
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Protocol='HTTP', |
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) |
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response = elbv2Client.modify_target_group_attributes( |
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TargetGroupArn=targetgroup_arn, |
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Attributes=[ |
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{ |
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'Key': 'stickiness.enabled', |
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'Value': 'true' |
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}, |
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] |
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) |
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print("Creating auto scaling group...") |
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print("------------------------------------") |
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response = asClient.create_auto_scaling_group( |
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AutoScalingGroupName='tug-of-war-asg-autoscalinggroup', |
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LaunchConfigurationName='tug-of-war-asg-launchconfig', |
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MaxSize=3, |
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MinSize=1, |
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HealthCheckGracePeriod=120, |
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HealthCheckType='ELB', |
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TargetGroupARNs=[ |
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targetgroup_arn, |
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], |
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VPCZoneIdentifier=subnet1 + ', ' + ', ' + subnet2 + ', ' + subnet3, |
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Tags=[ |
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{'Key': 'Name', 'Value': 'tug-of-war-asg-webserver', 'PropagateAtLaunch': True}, |
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{'Key': 'tug-of-war', 'Value': 'webserver', 'PropagateAtLaunch': True} |
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], |
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) |
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print('app/tug-of-war-asg-loadbalancer/'+str(loadbalancer_arn).split('/')[2]+'/targetgroup/tug-of-war-asg-targetgroup/'+str(targetgroup_arn).split('/')[1]+'target-group-id') |
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response = asClient.put_scaling_policy( |
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AutoScalingGroupName='tug-of-war-asg-autoscalinggroup', |
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PolicyName='tug-of-war-asg-scalingpolicy', |
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PolicyType='TargetTrackingScaling', |
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EstimatedInstanceWarmup=30, |
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TargetTrackingConfiguration={ |
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'PredefinedMetricSpecification': { |
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'PredefinedMetricType': 'ALBRequestCountPerTarget', |
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'ResourceLabel': 'app/tug-of-war-asg-loadbalancer/'+str(loadbalancer_arn).split('/')[2]+'/targetgroup/tug-of-war-asg-targetgroup/'+str(targetgroup_arn).split('/')[1]+'target-group-id' |
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}, |
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'TargetValue': 5.0, |
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} |
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) |
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