218 lines
7.9 KiB
Python
218 lines
7.9 KiB
Python
import boto3
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from botocore.exceptions import ClientError
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################################################################################################
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#
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# Configuration Parameters
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#
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################################################################################################
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region = 'eu-central-1'
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availabilityZone = 'eu-central-1b'
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vpc_id = 'vpc-eedd4187'
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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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# if you only have one VPC, vpc_id can be retrieved using:
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#
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# response = ec2Client.describe_vpcs()
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# vpc_id = response.get('Vpcs', [{}])[0].get('VpcId', '')
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################################################################################################
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#
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# boto3 code
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#
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################################################################################################
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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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rdsClient = boto3.client("rds")
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subnet_id = ec2Client.describe_subnets(
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Filters=[
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{
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'Name': 'availability-zone', 'Values': [availabilityZone]
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}
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])['Subnets'][0]['SubnetId']
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print("Deleting old instance...")
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print("------------------------------------")
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response = ec2Client.describe_instances(Filters=[{'Name': 'tag-key', 'Values': ['tug-of-war-rds']}])
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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 old DB instance...")
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print("------------------------------------")
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try:
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response = rdsClient.delete_db_instance(
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DBInstanceIdentifier='tug-of-war-rds-db1',
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SkipFinalSnapshot=True,
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DeleteAutomatedBackups=True
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)
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except ClientError as e:
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print(e)
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waiter = rdsClient.get_waiter('db_instance_deleted')
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waiter.wait(DBInstanceIdentifier='tug-of-war-rds-db1')
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#time.sleep(5)
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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-rds')
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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-rds',
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Description='tug-of-war-rds',
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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 = rdsClient.create_db_instance(DBInstanceIdentifier="tug-of-war-rds-db1",
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AllocatedStorage=20,
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DBName='cloud_tug_of_war',
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# Engine='mariadb',
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Engine='mysql',
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# General purpose SSD
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StorageType='gp2',
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#StorageEncrypted=True,
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AutoMinorVersionUpgrade=True,
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# Set this to true later?
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MultiAZ=False,
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MasterUsername='cloud_tug_of_war',
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MasterUserPassword='cloudpass',
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VpcSecurityGroupIds=[security_group_id],
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#DBInstanceClass='db.m3.2xlarge',
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DBInstanceClass='db.t3.micro',
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Tags=[
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{'Key': 'Name', 'Value': 'tug-of-war-rds-db1'},
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{'Key': 'tug-of-war-rds', 'Value': 'db'}
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],
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)
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waiter = rdsClient.get_waiter('db_instance_available')
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waiter.wait(DBInstanceIdentifier='tug-of-war-rds-db1')
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response = ec2Client.describe_security_groups(Filters=[{'Name': 'group-name', 'Values': ['tug-of-war-rds']}])
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security_group_id = response.get('SecurityGroups', [{}])[0].get('GroupId', '')
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response = rdsClient.describe_db_instances(DBInstanceIdentifier='tug-of-war-rds-db1')
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print(response)
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dbEndpointAddress = response['DBInstances'][0]['Endpoint']['Address']
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dbEndpointPort = response['DBInstances'][0]['Endpoint']['Port']
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print(str(dbEndpointAddress) + ":" + str(dbEndpointPort))
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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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'# httpd and mysql client\n'
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'yum install -y httpd mariadb\n'
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'# fix php5.x PDO prob PDO::__construct(): Server sent charset (255) unknown to the client.\n'
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'# by using Amazons Linux 2 PHP extras\n'
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'amazon-linux-extras install -y php7.4\n'
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'\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/' + dbEndpointAddress + '/g /var/www/html/config.php\n'
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'\n'
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'# create default table\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 -h ' + dbEndpointAddress + ' -u cloud_tug_of_war -pcloudpass cloud_tug_of_war\n'
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)
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for i in range(1, 2):
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print("Running new Web Server 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=userDataWebServer,
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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-rds-webserver' + str(i)},
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{'Key': 'tug-of-war-rds', 'Value': 'webserver'}
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],
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}
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],
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)
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instanceIdWeb = response['Instances'][0]['InstanceId']
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instance = ec2Resource.Instance(instanceIdWeb)
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instance.wait_until_running()
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instance.load()
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print("tug-of-war-in-the-clouds can be accessed at: " + instance.public_ip_address)
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