"Openstack-nova" use-novaclient Create virtual machine (createvms.py)

Import Sys
Import time
Import Keystoneclient.v2_0.client as Keystoneclient
Import Novaclient.v1_1.client as Novaclient
Import Neutronclient.v2_0.client as Neutronclient
From Credentials Import *


‘‘‘
Creates a network and a COUNT of instances
Using the User/project configured in STACKRC file
‘‘‘


instance_name = ' Fiva '
Network_name= ' route-66 '
Subnet_cidr= ' 10.2.33.0/24 '
Instance_count = 3


Kcreds = Get_keystone_creds ()


Print "Connecting to Keystone"
Keystone = Keystoneclient. Client (**kcreds)
Tokenlen=len (Keystone.auth_token)
Print keystone.auth_token[0:20] + "..." + Keystone.auth_token[tokenlen-20:tokenlen]


Ncreds = Get_nova_creds ()
Nova = novaclient. Client (**ncreds)


Flavors = nova.flavors.list (is_public=true)
Print Flavors


Images = Nova.images.list (detailed=false)
Print Images


# Get networks from Quantum
Print "Find or create Network ..."
Network_url = keystone.service_catalog.url_for (service_type= ' network ')
Neutron = neutronclient. Client (Endpoint_url=network_url, Token=keystone.auth_token)
Networks = Neutron.list_networks () [' Networks ']
Print "Networks:"
Print [(nw[' name '],nw[' ID ']) for NW in networks]


NET = None
net_id = None
Networks = Neutron.list_networks (Name=network_name) [' Networks ']
If Len (networks) >0 and networks[0][' name '] = = Network_name:
net_id = networks[0][' id ']
Print "Network found", Network_name, net_id
Else
NET = neutron.create_network ({' Network ':
{' name ': Network_name, ' admin_state_up ': True}})
print "Created Network", net
net_id = net[' network ' [' ID ']
Sub = neutron.create_subnet ({' Subnet ': {
' Name ': ' Subnet ',
' network_id ': net_id,
' Ip_version ': 4,
' CIDR ': SUBNET_CIDR
}
})
Print "Created Subnet", Sub


Print "List instances:"
# Check what do we get so far for instances
instances = Nova.servers.list ()


For instance in instances:
print ' name: ', Instance.name
print ' Host ID: ', instance.hostid




Print "Creating instances:"
Instance = nova.servers.create (instance_name, images[0], flavors[0]
# The actual number is based on the quota.
# See http://www.gossamer-threads.com/lists/openstack/dev/17629
, Min_count=1, Max_count=instance_count
# If NICs not specified, 'll connect to all project networks
, nics=[{' Net-id ': net_id}]
)

# Poll at 5 second intervals, until the status is no longer ' BUILD '
Status = Instance.status
Sys.stdout.write (' Building ... ')
While status = = ' BUILD ':
Time.sleep (1)
Sys.stdout.write (".")
Sys.stdout.flush ()
# Retrieve The instance again so the Status field updates
Instance = Nova.servers.get (instance.id)
Status = Instance.status


Print "Status:%s"% status

"Openstack-nova" use-novaclient Create virtual machine (createvms.py)