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Merge branch 'master' of gogs.informatik.hs-fulda.de:srieger/cloud-computing-msc-ai-examples
Merge branch 'master' of gogs.informatik.hs-fulda.de:srieger/cloud-computing-msc-ai-examples
# Conflicts: # aws-cloudformation-demo/cloudcomp-counter-demo-with-vpc-designer.png # aws-cloudformation-demo/cloudcomp-counter-demo-with-vpc.json # aws-cloudformation-demo/cloudcomp-counter-demo.json # aws-turnserver/stop.py # example-projects/counter-demo/aws-cloudformation-demo/cloudcomp-counter-demo-with-vpc-designer.png # example-projects/counter-demo/aws-cloudformation-demo/cloudcomp-counter-demo-with-vpc.json # example-projects/counter-demo/aws-cloudformation-demo/cloudcomp-counter-demo.json # example-projects/counter-demo/aws-cloudformation/cloudcomp-counter-demo-with-vpc-designer.png # example-projects/counter-demo/aws-cloudformation/cloudcomp-counter-demo-with-vpc.json # example-projects/counter-demo/aws-cloudformation/cloudcomp-counter-demo.json # example-projects/tug-of-war-in-the-clouds/stop.py # example-projects/turnserver/aws-boto3/start.py # example-projects/turnserver/aws-boto3/stop.pymaster
13 changed files with 683 additions and 66 deletions
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11.idea/cloud-computing-msc-ai-examples.iml
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7.idea/misc.xml
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8.idea/modules.xml
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6.idea/vcs.xml
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206example-projects/tug-of-war-in-the-clouds/aws-boto3-rds-db/start.py
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57example-projects/tug-of-war-in-the-clouds/aws-boto3-rds-db/stop.py
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86example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/create-loadbalancer.py
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70example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/start-and-add-new-target.py
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134example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/start.py
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24example-projects/tug-of-war-in-the-clouds/aws-boto3-standalone-db/stop.py
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101example-projects/tug-of-war-in-the-clouds/web-content/cloud.php
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3example-projects/tug-of-war-in-the-clouds/web-content/config.php
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36example-projects/tug-of-war-in-the-clouds/web-content/index.php
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<?xml version="1.0" encoding="UTF-8"?> |
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<module type="PYTHON_MODULE" version="4"> |
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<component name="NewModuleRootManager"> |
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<content url="file://$MODULE_DIR$" /> |
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<orderEntry type="inheritedJdk" /> |
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<orderEntry type="sourceFolder" forTests="false" /> |
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</component> |
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<component name="TestRunnerService"> |
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<option name="PROJECT_TEST_RUNNER" value="Unittests" /> |
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</component> |
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</module> |
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@ -0,0 +1,7 @@ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project version="4"> |
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<component name="JavaScriptSettings"> |
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<option name="languageLevel" value="ES6" /> |
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</component> |
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<component name="ProjectRootManager" version="2" project-jdk-name="Python 3.6" project-jdk-type="Python SDK" /> |
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</project> |
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@ -0,0 +1,8 @@ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project version="4"> |
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<component name="ProjectModuleManager"> |
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<modules> |
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<module fileurl="file://$PROJECT_DIR$/.idea/cloud-computing-msc-ai-examples.iml" filepath="$PROJECT_DIR$/.idea/cloud-computing-msc-ai-examples.iml" /> |
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</modules> |
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</component> |
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</project> |
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@ -0,0 +1,6 @@ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<project version="4"> |
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<component name="VcsDirectoryMappings"> |
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<mapping directory="$PROJECT_DIR$" vcs="Git" /> |
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</component> |
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</project> |
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@ -0,0 +1,206 @@ |
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import boto3 |
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from botocore.exceptions import ClientError |
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|
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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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#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 \'cloud\';" | 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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|
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# convert with: cat install-mysql | sed "s/^/'/; s/$/\\\n'/" |
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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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|
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rdsClient = boto3.client("rds") |
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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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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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|
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print("Deleting old instance...") |
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print("------------------------------------") |
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|
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response = ec2Client.describe_instances(Filters=[{'Name': 'tag-key', 'Values': ['tug-of-war']}]) |
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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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|
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print("Deleting old DB instance...") |
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print("------------------------------------") |
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|
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try: |
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response = rdsClient.delete_db_instance( |
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DBInstanceIdentifier='tug-of-war-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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|
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waiter = rdsClient.get_waiter('db_instance_deleted') |
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waiter.wait(DBInstanceIdentifier='tug-of-war-db1') |
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|
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|
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|
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print("Delete old security group...") |
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print("------------------------------------") |
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|
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try: |
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response = ec2Client.delete_security_group(GroupName='tug-of-war') |
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except ClientError as e: |
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print(e) |
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|
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print("Create security group...") |
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print("------------------------------------") |
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|
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try: |
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response = ec2Client.create_security_group(GroupName='tug-of-war', |
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Description='tug-of-war', |
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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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|
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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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|
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print("Running new DB instance...") |
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print("------------------------------------") |
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|
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response = rdsClient.create_db_instance(DBInstanceIdentifier="tug-of-war-db1", |
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AllocatedStorage=20, |
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DBName='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='cloudcloud', |
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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-db1'}, |
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{'Key': 'tug-of-war', 'Value': 'db'} |
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], |
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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-db1') |
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|
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#dbArn = response['DBInstance'][0]['DBInstanceArn'] |
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dbEndpointAddress = response['DBInstance'][0]['Endpoint']['Address'] |
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dbEndpointPort = response['DBInstance'][0]['Endpoint']['Port'] |
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|
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print(dbEndpointAddress + ":" + dbEndpointPort) |
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|
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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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'\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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'cd /var/www/html\n' |
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'tar zxvf tug-of-war-in-the-clouds.tar.gz\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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'sed -i s/\\\'cloud\\\'/cloudcloud/g /var/www/html/config.php\n' |
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) |
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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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|
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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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|
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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-webserver' + i}, |
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{'Key': 'tug-of-war', 'Value': 'webserver'} |
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], |
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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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|
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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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|
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print("tug-of-war-in-the-clouds can be accessed at: " + instance.public_ip_address) |
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@ -0,0 +1,57 @@ |
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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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|
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region = 'eu-central-1' |
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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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|
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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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elbv2Client = boto3.client('elbv2') |
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|
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print("Deleting load balancer and deps...") |
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print("------------------------------------") |
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|
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try: |
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response = elbv2Client.describe_load_balancers(Names=['tug-of-war-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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|
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time.sleep(5) |
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|
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try: |
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response = elbv2Client.describe_target_groups(Names=['tug-of-war-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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|
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|
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|
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print("Deleting old instance...") |
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print("------------------------------------") |
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|
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response = ec2Client.describe_instances(Filters=[{'Name': 'tag-key', 'Values': ['tug-of-war']}]) |
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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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|
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print("Delete old security group...") |
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print("------------------------------------") |
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|
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try: |
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response = ec2Client.delete_security_group(GroupName='tug-of-war') |
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except ClientError as e: |
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print(e) |
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@ -0,0 +1,86 @@ |
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import boto3 |
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from botocore.exceptions import ClientError |
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|
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region = 'eu-central-1' |
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availabilityZone = 'eu-central-1b' |
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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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|
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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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|
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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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response = ec2Client.describe_security_groups(Filters=[{'Name': 'group-name', 'Values': ['tug-of-war']}]) |
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security_group_id = response.get('SecurityGroups', [{}])[0].get('GroupId', '') |
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|
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elbv2Client = boto3.client('elbv2') |
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|
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response = elbv2Client.create_load_balancer( |
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Name='tug-of-war-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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|
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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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|
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response = elbv2Client.create_target_group( |
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Name='tug-of-war-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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|
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targetgroup_arn = response.get('TargetGroups', [{}])[0].get('TargetGroupArn', '') |
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|
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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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|
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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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|
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print("Registering instances...") |
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print("------------------------------------") |
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|
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response = ec2Client.describe_instances(Filters=[{'Name': 'tag:tug-of-war', 'Values': ['webserver']}]) |
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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 = elbv2Client.register_targets( |
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TargetGroupArn=targetgroup_arn, |
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Targets=[ |
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{ |
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'Id': instance['InstanceId'], |
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}, |
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], |
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) |
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|
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print('Load Balancer should be reachable at: ' + loadbalancer_dns) |
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@ -0,0 +1,70 @@ |
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import boto3 |
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from botocore.exceptions import ClientError |
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|
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region = 'eu-central-1' |
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availabilityZone = 'eu-central-1b' |
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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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|
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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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|
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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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elbv2Client = boto3.client('elbv2') |
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|
|||
for i in range(3, 4): |
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print("Running new Web Server instance...") |
|||
print("------------------------------------") |
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|
|||
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-webserver1'}, |
|||
{'Key': 'tug-of-war', 'Value': 'webserver'} |
|||
], |
|||
} |
|||
], |
|||
) |
|||
|
|||
instanceIdWeb = response['Instances'][0]['InstanceId'] |
|||
|
|||
instance = ec2Resource.Instance(instanceIdWeb) |
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instance.wait_until_running() |
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instance.load() |
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|
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print("tug-of-war-in-the-clouds can be accessed at: " + instance.public_ip_address) |
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|
|||
try: |
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response = elbv2Client.describe_target_groups(Names=['tug-of-war-targetgroup']) |
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targetgroup_arn = response.get('TargetGroups', [{}])[0].get('TargetGroupArn', '') |
|||
except ClientError as e: |
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print(e) |
|||
|
|||
print("Registering instance...") |
|||
print("------------------------------------") |
|||
|
|||
response = elbv2Client.register_targets( |
|||
TargetGroupArn=targetgroup_arn, |
|||
Targets=[ |
|||
{ |
|||
'Id': instanceIdWeb, |
|||
}, |
|||
], |
|||
) |
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@ -0,0 +1,101 @@ |
|||
<?php |
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session_start(); |
|||
include 'config.php'; |
|||
?>
|
|||
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous"> |
|||
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script> |
|||
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script> |
|||
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script> |
|||
|
|||
<?php |
|||
if (!isset($_SESSION["team"])) |
|||
{ |
|||
if (isset($_POST["team_minus"])) |
|||
{ |
|||
print "You joined team minus (blue)..."; |
|||
$_SESSION["team"]="minus"; |
|||
} |
|||
elseif (isset($_POST["team_plus"])) |
|||
{ |
|||
print "You joined team minus (green)..."; |
|||
$_SESSION["team"]="plus"; |
|||
} |
|||
else |
|||
{ |
|||
print "<h1>Choose your team!</h1>"; |
|||
?>
|
|||
<form action="" method="post"> |
|||
<input type="submit" name="team_minus" value="Team Minus (Blue)"> |
|||
<input type="submit" name="team_plus" value="Team Plus (Green)"> |
|||
</form> |
|||
<?php |
|||
} |
|||
} |
|||
|
|||
if (isset($_SESSION["team"])) |
|||
{ |
|||
?>
|
|||
|
|||
<h1>Pull!!!</h1> |
|||
<p> |
|||
<?php |
|||
if (isset($_GET['cloud_id'])) |
|||
{ |
|||
$sql = "SELECT * FROM clouds WHERE cloud_id = " . $_GET['cloud_id']; |
|||
foreach ($pdo->query($sql) as $row) |
|||
{ |
|||
if (abs(intval($row["value"])) >= intval($row["max_value"])) |
|||
{ |
|||
unset($_SESSION["team"]); |
|||
$_SESSION["finished"] = true; |
|||
} |
|||
} |
|||
|
|||
if (isset($_POST['pull'])) |
|||
{ |
|||
if ($_SESSION["team"] == "plus") |
|||
{ |
|||
print "You pulled for team plus (green)..."; |
|||
$sql = "UPDATE clouds SET value=value+1 WHERE cloud_id = " . $_GET['cloud_id']; |
|||
$result = $pdo->query($sql); |
|||
} |
|||
if ($_SESSION["team"] == "minus") |
|||
{ |
|||
print "You pulled for team minus (blue)..."; |
|||
$sql = "UPDATE clouds SET value=value-1 WHERE cloud_id = " . $_GET['cloud_id']; |
|||
$result = $pdo->query($sql); |
|||
} |
|||
} |
|||
|
|||
$sql = "SELECT * FROM clouds WHERE cloud_id = " . $_GET['cloud_id']; |
|||
foreach ($pdo->query($sql) as $row) |
|||
{ |
|||
print "<h2>Value: " . $row["value"] . " (Goal: " . $row["max_value"] . ")</h2>"; |
|||
} |
|||
|
|||
if (!isset($_SESSION["finished"])) |
|||
{ |
|||
?>
|
|||
<form action="" method="post"> |
|||
<input type="submit" name="pull" value="Pull"> |
|||
</form> |
|||
<?php |
|||
} |
|||
else |
|||
{ |
|||
print "<h2>game over</h2>"; |
|||
if (intval($row["value"] == intval($row["max_value"]))) |
|||
{ |
|||
print "Team plus (green) won!"; |
|||
} |
|||
else |
|||
{ |
|||
print "Team minus (blue) won!"; |
|||
} |
|||
session_destroy(); |
|||
} |
|||
} |
|||
} |
|||
?>
|
|||
<br /> |
|||
<a href='index.php'>Leave Game</a> |
|||
@ -0,0 +1,3 @@ |
|||
<?php |
|||
$pdo = new PDO('mysql:host=localhost;dbname=cloud_tug_of_war', 'cloud_tug_of_war', 'cloud'); |
|||
?>
|
|||
@ -0,0 +1,36 @@ |
|||
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous"> |
|||
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script> |
|||
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script> |
|||
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script> |
|||
<h1>Welcome to "tug of war in the clouds"!</h1> |
|||
<p> |
|||
Choose and tug a cloud: |
|||
</p> |
|||
<p> |
|||
<?php |
|||
include 'config.php'; |
|||
|
|||
if (isset($_POST['new_cloud_name'])) |
|||
{ |
|||
$sql = "INSERT INTO clouds (name, value, max_value) VALUES ('" . $_POST['new_cloud_name'] . "',0," . $_POST['new_cloud_goal'] . ")"; |
|||
$pdo->query($sql); |
|||
} |
|||
|
|||
$sql = "SELECT * FROM clouds"; |
|||
foreach ($pdo->query($sql) as $row) { |
|||
if (abs(intval($row['value'])) < intval($row['max_value'])) |
|||
{ |
|||
echo "<a href='cloud.php?cloud_id=" . $row['cloud_id'] . "'>" . $row['name'] . "</a> (score: " . $row['value'] . ", goal:" . $row['max_value'] . ")<br />"; |
|||
} |
|||
} |
|||
?>
|
|||
<!-- list --> |
|||
</p> |
|||
<p> |
|||
or form a new cloud: |
|||
<form action="" method="post"> |
|||
Name: <input name="new_cloud_name" value=""> |
|||
Goal: <input name="new_cloud_goal" value="10"> |
|||
<input type="submit" value="Create"> |
|||
</form> |
|||
</p> |
|||
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