import time import boto3 from botocore.exceptions import ClientError ################################################################################################ # # Configuration Parameters # ################################################################################################ # place your credentials in ~/.aws/credentials, as mentioned in AWS Educate Classroom, # Account Details, AWC CLI -> Show (Copy and paste the following into ~/.aws/credentials) # changed to use us-east, to be able to use AWS Educate Classroom region = 'us-east-1' availabilityZone = 'us-east-1a' # region = 'eu-central-1' # availabilityZone = 'eu-central-1b' # AMI ID of Amazon Linux 2 image 64-bit x86 in us-east-1 (can be retrieved, e.g., at # https://console.aws.amazon.com/ec2/v2/home?region=us-east-1#LaunchInstanceWizard:) imageId = 'ami-0d5eff06f840b45e9' # for eu-central-1, AMI ID of Amazon Linux 2 would be: # imageId = 'ami-0cc293023f983ed53' # potentially change instanceType to t2.micro for "free tier" if using a regular account # for production, t3.nano seams better instanceType = 't2.nano' keyName = 'srieger-pub' ################################################################################################ # # boto3 code # ################################################################################################ client = boto3.setup_default_session(region_name=region) ec2Client = boto3.client("ec2") ec2Resource = boto3.resource('ec2') # if you only have one VPC, vpc_id can be retrieved using: response = ec2Client.describe_vpcs() vpc_id = response.get('Vpcs', [{}])[0].get('VpcId', '') # if you have more than one VPC, vpc_id should be specified, and code # top retrieve VPC id below needs to be commented out # vpc_id = 'vpc-eedd4187' subnet_id = ec2Client.describe_subnets( Filters=[ { 'Name': 'availability-zone', 'Values': [availabilityZone] } ])['Subnets'][0]['SubnetId'] print("Deleting old instance...") print("------------------------------------") response = ec2Client.describe_instances(Filters=[{'Name': 'tag-key', 'Values': ['tug-of-war']}]) print(response) reservations = response['Reservations'] for reservation in reservations: for instance in reservation['Instances']: if instance['State']['Name'] == "running" or instance['State']['Name'] == "pending": response = ec2Client.terminate_instances(InstanceIds=[instance['InstanceId']]) print(response) instanceToTerminate = ec2Resource.Instance(instance['InstanceId']) instanceToTerminate.wait_until_terminated() print("Delete old security group...") print("------------------------------------") try: response = ec2Client.delete_security_group(GroupName='tug-of-war') except ClientError as e: print(e) print("Create security group...") print("------------------------------------") try: response = ec2Client.create_security_group(GroupName='tug-of-war', Description='tug-of-war', VpcId=vpc_id) security_group_id = response['GroupId'] print('Security Group Created %s in vpc %s.' % (security_group_id, vpc_id)) data = ec2Client.authorize_security_group_ingress( GroupId=security_group_id, IpPermissions=[ {'IpProtocol': 'tcp', 'FromPort': 3306, 'ToPort': 3306, 'IpRanges': [{'CidrIp': '0.0.0.0/0'}]}, {'IpProtocol': 'tcp', 'FromPort': 22, 'ToPort': 22, 'IpRanges': [{'CidrIp': '0.0.0.0/0'}]}, {'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'}]} ]) print('Ingress Successfully Set %s' % data) except ClientError as e: print(e) userDataDB = ('#!/bin/bash\n' '# extra repo for RedHat rpms\n' 'yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm\n' '# essential tools\n' 'yum install -y joe htop git\n' '# mysql\n' 'yum install -y mariadb mariadb-server\n' '\n' 'service mariadb start\n' '\n' 'echo "create database cloud_tug_of_war" | mysql -u root\n' '\n' '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' '\n' 'echo "CREATE USER \'cloud_tug_of_war\'@\'%\' IDENTIFIED BY \'cloudpass\';" | mysql -u root\n' 'echo "GRANT ALL PRIVILEGES ON cloud_tug_of_war.* TO \'cloud_tug_of_war\'@\'%\';" | mysql -u root\n' 'echo "FLUSH PRIVILEGES" | mysql -u root\n' ) # convert user-data from script with: cat install-mysql | sed "s/^/'/; s/$/\\\n'/" print("Running new DB instance...") print("------------------------------------") response = ec2Client.run_instances( ImageId=imageId, InstanceType=instanceType, Placement={'AvailabilityZone': availabilityZone, }, KeyName=keyName, MinCount=1, MaxCount=1, UserData=userDataDB, SecurityGroupIds=[ security_group_id, ], TagSpecifications=[ { 'ResourceType': 'instance', 'Tags': [ {'Key': 'Name', 'Value': 'tug-of-war-db1'}, {'Key': 'tug-of-war', 'Value': 'db'} ], } ], ) instanceIdDB = response['Instances'][0]['InstanceId'] privateIpDB = response['Instances'][0]['PrivateIpAddress'] # privateIpDB = response['Instances'][0]['NetworkInterfaces'][0]['NetworkInterfaceId'] instance = ec2Resource.Instance(instanceIdDB) instance.wait_until_running() print(instanceIdDB) userDataWebServer = ('#!/bin/bash\n' '# extra repo for RedHat rpms\n' 'yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm\n' '# essential tools\n' 'yum install -y joe htop git\n' '# mysql\n' 'yum install -y httpd php php-mysql\n' '\n' 'service httpd start\n' '\n' # 'wget http://mmnet.informatik.hs-fulda.de/cloudcomp/tug-of-war-in-the-clouds.tar.gz\n' # 'cp tug-of-war-in-the-clouds.tar.gz /var/www/html/\n' # 'tar zxvf tug-of-war-in-the-clouds.tar.gz\n' 'cd /var/www/html\n' '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' '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' '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' '\n' '# change hostname of db connection\n' 'sed -i s/localhost/' + privateIpDB + '/g /var/www/html/config.php\n' ) for i in range(1, 3): print("Running new Web Server instance...") print("------------------------------------") response = ec2Client.run_instances( ImageId=imageId, InstanceType=instanceType, Placement={'AvailabilityZone': availabilityZone, }, KeyName=keyName, MinCount=1, MaxCount=1, UserData=userDataWebServer, SecurityGroupIds=[ security_group_id, ], TagSpecifications=[ { 'ResourceType': 'instance', 'Tags': [ {'Key': 'Name', 'Value': 'tug-of-war-webserver' + str(i)}, {'Key': 'tug-of-war', 'Value': 'webserver'} ], } ], ) instanceIdWeb = response['Instances'][0]['InstanceId'] instance = ec2Resource.Instance(instanceIdWeb) instance.wait_until_running() instance.load() # sometimes even after reloading instance details, public IP cannot be retrieved using current boto3 version and # AWS Educate accounts, try for 10 secs, and ask user to get it from AWS console otherwise timeout = 10 while instance.public_ip_address is None and timeout > 0: print("Waiting for public IP to become available...") instance.load() time.sleep(1) timeout -= 1 if instance.public_ip_address is not None: print("tug-of-war-in-the-clouds can be accessed at: " + instance.public_ip_address) else: print("Could not get public IP using boto3, this is likely an AWS Educate problem. You can however lookup the " "public ip from the AWS management console.")