You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
2.5 KiB
90 lines
2.5 KiB
import boto3
|
|
from botocore.exceptions import ClientError
|
|
|
|
region = 'eu-central-1'
|
|
availabilityZone = 'eu-central-1b'
|
|
subnet1 = 'subnet-41422b28'
|
|
subnet2 = 'subnet-5c5f6d16'
|
|
subnet3 = 'subnet-6f2ea214'
|
|
|
|
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', '')
|
|
|
|
response = ec2Client.describe_security_groups(Filters=[{'Name': 'group-name', 'Values': ['tug-of-war']}])
|
|
security_group_id = response.get('SecurityGroups', [{}])[0].get('GroupId', '')
|
|
|
|
elbv2Client = boto3.client('elbv2')
|
|
|
|
response = elbv2Client.create_load_balancer(
|
|
Name='tug-of-war-loadbalancer',
|
|
Subnets=[
|
|
subnet1,
|
|
subnet2,
|
|
subnet3,
|
|
],
|
|
SecurityGroups=[
|
|
security_group_id
|
|
]
|
|
)
|
|
|
|
loadbalancer_arn = response.get('LoadBalancers', [{}])[0].get('LoadBalancerArn', '')
|
|
loadbalancer_dns = response.get('LoadBalancers', [{}])[0].get('DNSName', '')
|
|
|
|
response = elbv2Client.create_target_group(
|
|
Name='tug-of-war-targetgroup',
|
|
Port=80,
|
|
Protocol='HTTP',
|
|
VpcId=vpc_id,
|
|
)
|
|
|
|
targetgroup_arn = response.get('TargetGroups', [{}])[0].get('TargetGroupArn', '')
|
|
|
|
response = elbv2Client.create_listener(
|
|
DefaultActions=[
|
|
{
|
|
'TargetGroupArn': targetgroup_arn,
|
|
'Type': 'forward',
|
|
},
|
|
],
|
|
LoadBalancerArn=loadbalancer_arn,
|
|
Port=80,
|
|
Protocol='HTTP',
|
|
)
|
|
|
|
response = elbv2Client.modify_target_group_attributes(
|
|
TargetGroupArn=targetgroup_arn,
|
|
Attributes=[
|
|
{
|
|
'Key': 'stickiness.enabled',
|
|
'Value': 'true'
|
|
},
|
|
]
|
|
)
|
|
|
|
print("Registering instances...")
|
|
print("------------------------------------")
|
|
|
|
response = ec2Client.describe_instances(Filters=[{'Name': 'tag:tug-of-war', 'Values': ['webserver']}])
|
|
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 = elbv2Client.register_targets(
|
|
TargetGroupArn=targetgroup_arn,
|
|
Targets=[
|
|
{
|
|
'Id': instance['InstanceId'],
|
|
},
|
|
],
|
|
)
|
|
|
|
print('Waiting for Load Balancer to become available...')
|
|
|
|
waiter = elbv2Client.get_waiter('load_balancer_available')
|
|
waiter.wait(LoadBalancerArns=[loadbalancer_arn])
|
|
print('Load Balancer should be reachable at: ' + loadbalancer_dns)
|