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Sebastian Rieger 2 years ago
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34c65c0903
  1. 184
      example-projects/tug-of-war-in-the-clouds/start.py
  2. 33
      example-projects/tug-of-war-in-the-clouds/stop.py

184
example-projects/tug-of-war-in-the-clouds/start.py

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import boto3
from botocore.exceptions import ClientError
region = 'eu-central-1'
availabilityZone = 'eu-central-1b'
imageId = 'ami-0cc293023f983ed53'
instanceType = 't3.nano'
keyName = 'srieger-pub'
userDataDB = ('#!/bin/bash\n'
'#!/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 \'cloud\';" | 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 with: cat install-mysql | sed "s/^/'/; s/$/\\\n'/"
client = boto3.setup_default_session(region_name=region)
ec2Client = boto3.client("ec2")
ec2Resource = boto3.resource('ec2')
response = ec2Client.describe_vpcs()
vpc_id = response.get('Vpcs', [{}])[0].get('VpcId', '')
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)
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': 'installed'}
],
}
],
)
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'
'cd /var/www/html\n'
'tar zxvf tug-of-war-in-the-clouds.tar.gz\n'
'\n'
'# change hostname of db connection\n'
'sed -i s/localhost/' + privateIpDB + '/g /var/www/html/config.php\n'
)
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-webserver1'},
{'Key': 'tug-of-war', 'Value': 'installed'}
],
}
],
)
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()

33
example-projects/tug-of-war-in-the-clouds/stop.py

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import boto3
from botocore.exceptions import ClientError
region = 'eu-central-1'
client = boto3.setup_default_session(region_name=region)
ec2Client = boto3.client("ec2")
ec2Resource = boto3.resource('ec2')
response = ec2Client.describe_vpcs()
vpc_id = response.get('Vpcs', [{}])[0].get('VpcId', '')
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)
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