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126 lines
4.9 KiB
126 lines
4.9 KiB
"""Example for Cloud Computing Course Master AI / GSD"""
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# This script demonstrates how to use libcloud to cleanup all instances used in the demos
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# for our OpenStack private cloud environment.
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# import getpass
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import os
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import sys
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import time
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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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# For our new Charmed OpenStack private cloud, we need to specify the path to the
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# root CA certificate
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import libcloud.security
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libcloud.security.CA_CERTS_PATH = ['./root-ca.crt']
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# Disable SSL certificate verification (not recommended for production)
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# libcloud.security.VERIFY_SSL_CERT = False
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# Please use 1-29 for X in the following variable to specify your group number.
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# (will be used for the username, project etc., as coordinated in the lab sessions)
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group_number = os.environ.get('GROUP_NUMBER')
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if group_number is None:
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sys.exit('Please set the GROUP_NUMBER environment variable to your group number,\n'
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'e.g., on Windows:\n'
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' "$env:GROUP_NUMBER=0" or "set GROUP_NUMBER=0"\n'
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'or on Linux/MacOS:\n'
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' "export GROUP_NUMBER=0" or "set GROUP_NUMBER=0"')
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###############################################################################################
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#
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# no changes necessary below this line in this example
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#
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###############################################################################################
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# web service endpoint of the private cloud infrastructure
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# auth_url = 'https://private-cloud.informatik.hs-fulda.de:5000'
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AUTH_URL = 'https://10.32.4.182:5000'
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# auth_url = 'https://private-cloud2.informatik.hs-fulda.de:5000'
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# your username in OpenStack
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AUTH_USERNAME = 'CloudComp' + str(group_number)
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# your project in OpenStack
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PROJECT_NAME = 'CloudComp' + str(group_number)
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# A network in the project the started instance will be attached to
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PROJET_NETWORK = 'CloudComp' + str(group_number) + '-net'
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# The image to look for and use for the started instance
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# ubuntu_image_name = "Ubuntu 18.04 - Bionic Beaver - 64-bit - Cloud Based Image"
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UBUNTU_IMAGE_NAME = "auto-sync/ubuntu-jammy-22.04-amd64-server-20240319-disk1.img"
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# default region
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REGION_NAME = 'RegionOne'
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# domain to use, "default" for local accounts, formerly "hsfulda" for LDAP accounts etc.
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# domain_name = "default"
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def main(): # noqa: C901 pylint: disable=too-many-branches,too-many-statements,too-many-locals,missing-function-docstring
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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_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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auth_password = "demo"
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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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# clean up resources from previous demos
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#
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###########################################################################
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# destroy running demo instances
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for instance in conn.list_nodes():
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if instance.name in ['all-in-one', 'app-worker-1', 'app-worker-2', 'app-worker-3',
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'app-controller',
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'app-services', 'app-api-1', 'app-api-2']:
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print(f'Destroying Instance: {instance.name}')
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conn.destroy_node(instance)
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# wait until all nodes are destroyed to be able to remove depended security groups
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nodes_still_running = True
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while nodes_still_running:
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nodes_still_running = False
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time.sleep(3)
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instances = conn.list_nodes()
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for instance in instances:
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# if we see any demo instances still running continue to wait for them to stop
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if instance.name in ['all-in-one', 'app-worker-1', 'app-worker-2', 'app-worker-3',
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'app-controller', 'app-services', 'app-api-1', 'app-api-2']:
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nodes_still_running = True
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print('There are still instances running, waiting for them to be destroyed...')
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# delete security groups
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for group in conn.ex_list_security_groups():
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if group.name in ['control', 'worker', 'api', 'services']:
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print(f'Deleting security group: {group.name}')
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conn.ex_delete_security_group(group)
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if __name__ == '__main__':
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main()
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