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253 lines
9.4 KiB
253 lines
9.4 KiB
import getpass
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import os
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import libcloud.security
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from libcloud.compute.providers import get_driver
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from libcloud.compute.types import Provider
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# reqs:
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# services: nova, glance, neutron
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# resources: 2 instances, 2 floating ips (1 keypair, 2 security groups)
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# HS-Fulda Private Cloud
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auth_url = 'https://192.168.72.40:5000'
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region_name = 'RegionOne'
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domain_name = "hsfulda"
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ubuntu_image_name = "Ubuntu 14.04 - Trusty Tahr - 64-bit - Cloud Based Image"
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flavor_name = 'm1.small'
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network_name = "ai-netlab-pro-net"
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keypair_name = 'srieger-pub'
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pub_key_file = '~/.ssh/id_rsa.pub'
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def main():
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###########################################################################
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#
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# get credentials
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#
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###########################################################################
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if "OS_PROJECT_NAME" in os.environ:
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project_name = os.environ["OS_PROJECT_NAME"]
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else:
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project_name = input("Enter your OpenStack project:")
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if "OS_USERNAME" in os.environ:
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auth_username = os.environ["OS_USERNAME"]
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else:
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auth_username = input("Enter your OpenStack username:")
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if "OS_PASSWORD" in os.environ:
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auth_password = os.environ["OS_PASSWORD"]
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else:
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auth_password = getpass.getpass("Enter your OpenStack password:")
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###########################################################################
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#
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# create connection
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#
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###########################################################################
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libcloud.security.VERIFY_SSL_CERT = False
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provider = get_driver(Provider.OPENSTACK)
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conn = provider(auth_username,
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auth_password,
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ex_force_auth_url=auth_url,
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ex_force_auth_version='3.x_password',
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ex_tenant_name=project_name,
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ex_force_service_region=region_name,
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ex_domain_name=domain_name)
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###########################################################################
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#
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# get image, flavor, network for instance creation
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#
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###########################################################################
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images = conn.list_images()
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image = ''
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for img in images:
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if img.name == ubuntu_image_name:
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image = img
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flavors = conn.list_sizes()
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flavor = ''
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for flav in flavors:
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if flav.name == flavor_name:
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flavor = conn.ex_get_size(flav.id)
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networks = conn.ex_list_networks()
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network = ''
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for net in networks:
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if net.name == network_name:
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network = net
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###########################################################################
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#
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# create keypair dependency
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#
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###########################################################################
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print('Checking for existing SSH key pair...')
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keypair_exists = False
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for keypair in conn.list_key_pairs():
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if keypair.name == keypair_name:
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keypair_exists = True
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if keypair_exists:
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print('Keypair ' + keypair_name + ' already exists. Skipping import.')
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else:
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print('adding keypair...')
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conn.import_key_pair_from_file(keypair_name, pub_key_file)
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for keypair in conn.list_key_pairs():
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print(keypair)
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###########################################################################
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#
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# create security group dependency
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#
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###########################################################################
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print('Checking for existing worker security group...')
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security_group_name = 'worker'
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security_group_exists = False
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worker_security_group = ''
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for security_group in conn.ex_list_security_groups():
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if security_group.name == security_group_name:
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worker_security_group = security_group
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security_group_exists = True
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if security_group_exists:
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print('Worker Security Group ' + worker_security_group.name + ' already exists. Skipping creation.')
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else:
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worker_security_group = conn.ex_create_security_group('worker', 'for services that run on a worker node')
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conn.ex_create_security_group_rule(worker_security_group, 'TCP', 22, 22)
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print('Checking for existing controller security group...')
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security_group_name = 'control'
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security_group_exists = False
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controller_security_group = ''
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for security_group in conn.ex_list_security_groups():
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if security_group.name == security_group_name:
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controller_security_group = security_group
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security_group_exists = True
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if security_group_exists:
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print('Controller Security Group ' + controller_security_group.name + ' already exists. Skipping creation.')
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else:
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controller_security_group = conn.ex_create_security_group('control', 'for services that run on a control node')
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conn.ex_create_security_group_rule(controller_security_group, 'TCP', 22, 22)
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conn.ex_create_security_group_rule(controller_security_group, 'TCP', 80, 80)
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conn.ex_create_security_group_rule(controller_security_group, 'TCP', 5672, 5672,
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source_security_group=worker_security_group)
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for security_group in conn.ex_list_security_groups():
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print(security_group)
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###########################################################################
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#
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# create app-controller
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#
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###########################################################################
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userdata = '''#!/usr/bin/env bash
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curl -L -s https://git.openstack.org/cgit/openstack/faafo/plain/contrib/install.sh | bash -s -- \
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-i messaging -i faafo -r api
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'''
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print('Starting new app-controller instance and wait until it is running...')
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instance_controller_1 = conn.create_node(name='app-controller',
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image=image,
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size=flavor,
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networks=[network],
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ex_keyname=keypair_name,
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ex_userdata=userdata,
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ex_security_groups=[controller_security_group])
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conn.wait_until_running(nodes=[instance_controller_1], timeout=120, ssh_interface='private_ips')
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###########################################################################
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#
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# assign app-controller floating ip
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#
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###########################################################################
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print('Checking for unused Floating IP...')
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unused_floating_ip = None
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for floating_ip in conn.ex_list_floating_ips():
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if not floating_ip.node_id:
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unused_floating_ip = floating_ip
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break
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if not unused_floating_ip:
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pool = conn.ex_list_floating_ip_pools()[0]
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print('Allocating new Floating IP from pool: {}'.format(pool))
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unused_floating_ip = pool.create_floating_ip()
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conn.ex_attach_floating_ip_to_node(instance_controller_1, unused_floating_ip)
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print('Controller Application will be deployed to http://%s' % unused_floating_ip.ip_address)
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###########################################################################
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#
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# getting id and ip address of app-controller instance
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#
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###########################################################################
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# instance should not have a public ip? floating ips are assigned later
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instance_controller_1 = conn.ex_get_node_details(instance_controller_1.id)
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if instance_controller_1.public_ips:
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ip_controller = instance_controller_1.public_ips[0]
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else:
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ip_controller = instance_controller_1.private_ips[0]
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###########################################################################
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#
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# create app-worker-1
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#
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###########################################################################
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userdata = '''#!/usr/bin/env bash
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curl -L -s https://git.openstack.org/cgit/openstack/faafo/plain/contrib/install.sh | bash -s -- \
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-i faafo -r worker -e 'http://%(ip_controller)s' -m 'amqp://guest:guest@%(ip_controller)s:5672/'
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''' % {'ip_controller': ip_controller}
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print('Starting new app-worker-1 instance and wait until it is running...')
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instance_worker_1 = conn.create_node(name='app-worker-1',
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image=image,
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size=flavor,
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ex_keyname=keypair_name,
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ex_userdata=userdata,
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ex_security_groups=[worker_security_group])
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conn.wait_until_running(nodes=[instance_worker_1], timeout=120, ssh_interface='private_ips')
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###########################################################################
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#
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# assign app-worker floating ip
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#
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###########################################################################
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print('Checking for unused Floating IP...')
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unused_floating_ip = None
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for floating_ip in conn.ex_list_floating_ips():
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if not floating_ip.node_id:
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unused_floating_ip = floating_ip
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break
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if not unused_floating_ip:
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pool = conn.ex_list_floating_ip_pools()[0]
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print('Allocating new Floating IP from pool: {}'.format(pool))
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unused_floating_ip = pool.create_floating_ip()
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conn.ex_attach_floating_ip_to_node(instance_worker_1, unused_floating_ip)
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print('The worker will be available for SSH at %s' % unused_floating_ip.ip_address)
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if __name__ == '__main__':
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main()
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