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train_model.py

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  • demo1-getting-started.py 3.19 KiB
    # Example for Cloud Computing Course Master AI / GSD
    #
    # based on the tutorial: https://developer.openstack.org/firstapp-libcloud/
    # uses libCloud: https://libcloud.apache.org/
    # libCloud API documentation: https://libcloud.readthedocs.io/en/latest/
    # OpenStack API documentation: https://developer.openstack.org/
    
    import getpass
    
    from libcloud.compute.providers import get_driver
    from libcloud.compute.types import Provider
    
    # Please use 1-25 for X, as coordinated in the lab sessions
    
    # web service endpoint of the private cloud infrastructure
    auth_url = 'https://private-cloud2.informatik.hs-fulda.de:5000'
    # your username in OpenStack
    auth_username = 'CloudCompX'
    # your project in OpenStack
    project_name = 'CloudCompGrpX'
    
    # default region
    region_name = 'RegionOne'
    # domain to use, "default" for local accounts, "hsfulda" for LDAP of DVZ, e.g., using fdaiXXXX as auth_username
    domain_name = "default"
    
    # The image to look for and use for the started instance
    ubuntu_image_name = "Ubuntu 14.04 - Trusty Tahr - 64-bit - Cloud Based Image"
    # A network in the project the started instance will be attached to
    project_network = "CloudCompGrpX-net"
    
    
    def main():
        # get the password from user
        auth_password = getpass.getpass("Enter your OpenStack password:")
        # auth_password = "demo"
    
        # instantiate a connection to the OpenStack private cloud
        # make sure to include ex_domain_name and ex_force_auth_version='3.x_password', as they are needed in our
        # environment
        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)
    
        # get a list of images offered in the cloud context (e.g. Ubuntu 14.04, Ubuntu 16.04, cirros, ...)
        images = conn.list_images()
        image = ''
        for img in images:
            if img.name == ubuntu_image_name:
                image = img
                print(img)
    
        # get a list of flavors offered in the cloud context (e.g. m1.small, m1.medium, ...)
        flavors = conn.list_sizes()
        for flavor in flavors:
            print(flavor)
    
        # get the flavor with id 2
        flavor_id = '2'
        flavor = conn.ex_get_size(flavor_id)
        print(flavor)
    
        # get a list of networks in the cloud context
        networks = conn.ex_list_networks()
        network = ''
        for net in networks:
            if net.name == project_network:
                network = net
    
        # create a new instance with the name "testing"
        # make sure to provide networks (networks={network}) the instance should be attached to
        instance_name = 'testing'
        testing_instance = conn.create_node(name=instance_name, image=image, size=flavor, networks={network})
        print(testing_instance)
    
        # show all instances (running nodes) in the cloud context
        instances = conn.list_nodes()
        for instance in instances:
            print(instance)
    
        # destroy the instance we have just created
        conn.destroy_node(testing_instance)
    
    
    # method that is called when the script is started from the command line
    if __name__ == '__main__':
        main()