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# Example for Cloud Computing Course Master AI / GSD |
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# |
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# based on the tutorial: https://developer.openstack.org/firstapp-libcloud/ |
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# uses libCloud: https://libcloud.apache.org/ |
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# libCloud API documentation: https://libcloud.readthedocs.io/en/latest/ |
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# OpenStack API documentation: https://developer.openstack.org/ |
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# this code was initially based on the former tutorial: https://developer.openstack.org/firstapp-libcloud/ |
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import getpass |
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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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# Please use 1-25 for X in username, project etc., as coordinated in the lab sessions |
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# Please use 1-29 for X in the following variable to specify your group number. (will be used for the username, |
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# project etc., as coordinated in the lab sessions) |
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group_number = 30 |
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######################################################################################################################## |
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# |
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# no changes necessary below this line |
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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-cloud2.informatik.hs-fulda.de:5000' |
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auth_url = 'https://private-cloud.informatik.hs-fulda.de:5000' |
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# your username in OpenStack |
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auth_username = 'CloudCompX' |
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auth_username = 'CloudComp' + str(group_number) |
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# your project in OpenStack |
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project_name = 'CloudCompGrpX' |
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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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project_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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# default region |
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region_name = 'RegionOne' |
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# domain to use, "default" for local accounts, "hsfulda" for LDAP of DVZ, e.g., using fdaiXXXX as auth_username |
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domain_name = "default" |
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# The image to look for and use for the started instance |
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ubuntu_image_name = "Ubuntu 14.04 - Trusty Tahr - 64-bit - Cloud Based Image" |
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# A network in the project the started instance will be attached to |
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project_network = "CloudCompGrpX-net" |
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def main(): |
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# get the password from user |
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@ -39,6 +48,9 @@ def main(): |
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# make sure to include ex_domain_name and ex_force_auth_version='3.x_password', as they are needed in our |
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# environment |
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provider = get_driver(Provider.OPENSTACK) |
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print("Opening connection to %s as %s..." % (auth_url, auth_username)) |
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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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@ -47,6 +59,9 @@ def main(): |
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ex_force_service_region=region_name, |
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ex_domain_name=domain_name) |
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print("Getting images and selecting desired one...") |
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print("=========================================================================") |
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# get a list of images offered in the cloud context (e.g. Ubuntu 14.04, Ubuntu 16.04, cirros, ...) |
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images = conn.list_images() |
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image = '' |
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@ -55,16 +70,25 @@ def main(): |
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image = img |
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print(img) |
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print("Getting flavors...") |
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print("=========================================================================") |
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# get a list of flavors offered in the cloud context (e.g. m1.small, m1.medium, ...) |
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flavors = conn.list_sizes() |
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for flavor in flavors: |
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print(flavor) |
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print("Selecting desired flavor...") |
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print("=========================================================================") |
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# get the flavor with id 2 |
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flavor_id = '2' |
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flavor = conn.ex_get_size(flavor_id) |
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print(flavor) |
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print("Selecting desired network...") |
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print("=========================================================================") |
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# get a list of networks in the cloud context |
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networks = conn.ex_list_networks() |
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network = '' |
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@ -72,17 +96,26 @@ def main(): |
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if net.name == project_network: |
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network = net |
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print("Create instance 'testing'...") |
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print("=========================================================================") |
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# create a new instance with the name "testing" |
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# make sure to provide networks (networks={network}) the instance should be attached to |
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instance_name = 'testing' |
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testing_instance = conn.create_node(name=instance_name, image=image, size=flavor, networks={network}) |
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print(testing_instance) |
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print("Showing all running instances...") |
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print("=========================================================================") |
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# show all instances (running nodes) in the cloud context |
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instances = conn.list_nodes() |
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for instance in instances: |
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print(instance) |
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print("Destroying instance...") |
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print("=========================================================================") |
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# destroy the instance we have just created |
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conn.destroy_node(testing_instance) |
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