adapted demos for new Charmed OpenStack environment

2024-04-12 13:53:47 +02:00
parent 5e17f171ba
commit f63e5ebd8d
6 changed files with 923 additions and 0 deletions
--- a/destroy_all_demo_instances.py
+++ b/destroy_all_demo_instances.py
@ -0,0 +1,126 @@
+"""Example for Cloud Computing Course Master AI / GSD"""
+
+
+# This script demonstrates how to use libcloud to cleanup all instances used in the demos
+# for our OpenStack private cloud environment.
+
+# import getpass
+import os
+import sys
+
+import time
+from libcloud.compute.providers import get_driver
+from libcloud.compute.types import Provider
+
+# For our new Charmed OpenStack private cloud, we need to specify the path to the
+# root CA certificate
+import libcloud.security
+libcloud.security.CA_CERTS_PATH = ['./root-ca.crt']
+# Disable SSL certificate verification (not recommended for production)
+# libcloud.security.VERIFY_SSL_CERT = False
+
+# Please use 1-29 for X in the following variable to specify your group number.
+# (will be used for the username, project etc., as coordinated in the lab sessions)
+
+group_number = os.environ.get('GROUP_NUMBER')
+if group_number is None:
+    sys.exit('Please set the GROUP_NUMBER environment variable to your group number,\n'
+             'e.g., on Windows:\n'
+             '  "$env:GROUP_NUMBER=0" or "set GROUP_NUMBER=0"\n'
+             'or on Linux/MacOS:\n'
+             '  "export GROUP_NUMBER=0" or "set GROUP_NUMBER=0"')
+
+
+###############################################################################################
+#
+#  no changes necessary below this line in this example
+#
+###############################################################################################
+
+# web service endpoint of the private cloud infrastructure
+# auth_url = 'https://private-cloud.informatik.hs-fulda.de:5000'
+AUTH_URL = 'https://10.32.4.182:5000'
+# auth_url = 'https://private-cloud2.informatik.hs-fulda.de:5000'
+# your username in OpenStack
+AUTH_USERNAME = 'CloudComp' + str(group_number)
+# your project in OpenStack
+PROJECT_NAME = 'CloudComp' + str(group_number)
+# A network in the project the started instance will be attached to
+PROJET_NETWORK = 'CloudComp' + str(group_number) + '-net'
+
+# The image to look for and use for the started instance
+# ubuntu_image_name = "Ubuntu 18.04 - Bionic Beaver - 64-bit - Cloud Based Image"
+UBUNTU_IMAGE_NAME = "auto-sync/ubuntu-jammy-22.04-amd64-server-20240319-disk1.img"
+
+# default region
+REGION_NAME = 'RegionOne'
+# domain to use, "default" for local accounts, formerly "hsfulda" for LDAP accounts etc.
+# domain_name = "default"
+
+
+def main():  # noqa: C901 pylint: disable=too-many-branches,too-many-statements,too-many-locals,missing-function-docstring
+    ###########################################################################
+    #
+    # get credentials
+    #
+    ###########################################################################
+
+    # if "OS_PASSWORD" in os.environ:
+    #     auth_password = os.environ["OS_PASSWORD"]
+    # else:
+    #     auth_password = getpass.getpass("Enter your OpenStack password:")
+    auth_password = "demo"
+
+    ###########################################################################
+    #
+    # create connection
+    #
+    ###########################################################################
+
+    # libcloud.security.VERIFY_SSL_CERT = False
+
+    provider = get_driver(Provider.OPENSTACK)
+    conn = provider(AUTH_USERNAME,
+                    auth_password,
+                    ex_force_auth_url=AUTH_URL,
+                    ex_force_auth_version='3.x_password',
+                    ex_tenant_name=PROJECT_NAME,
+                    ex_force_service_region=REGION_NAME)
+#                    ex_domain_name=domain_name)
+
+    ###########################################################################
+    #
+    # clean up resources from previous demos
+    #
+    ###########################################################################
+
+    # destroy running demo instances
+    for instance in conn.list_nodes():
+        if instance.name in ['all-in-one', 'app-worker-1', 'app-worker-2', 'app-worker-3',
+                             'app-controller',
+                             'app-services', 'app-api-1', 'app-api-2']:
+            print(f'Destroying Instance: {instance.name}')
+            conn.destroy_node(instance)
+
+    # wait until all nodes are destroyed to be able to remove depended security groups
+    nodes_still_running = True
+    while nodes_still_running:
+        nodes_still_running = False
+        time.sleep(3)
+        instances = conn.list_nodes()
+        for instance in instances:
+            # if we see any demo instances still running continue to wait for them to stop
+            if instance.name in ['all-in-one', 'app-worker-1', 'app-worker-2', 'app-worker-3',
+                                 'app-controller', 'app-services', 'app-api-1', 'app-api-2']:
+                nodes_still_running = True
+                print('There are still instances running, waiting for them to be destroyed...')
+
+    # delete security groups
+    for group in conn.ex_list_security_groups():
+        if group.name in ['control', 'worker', 'api', 'services']:
+            print(f'Deleting security group: {group.name}')
+            conn.ex_delete_security_group(group)
+
+
+if __name__ == '__main__':
+    main()