def retrieve(self, entity, extras):
"""
Retrieve a VM.
"""
uid = entity.attributes['occi.core.id']
context = extras['nova_ctx']
instance = vm.get_vm(uid, context)
LOG.debug('Retrieving an Virtual machine: ', uid)
# set state and applicable actions!
state, actions = vm.get_occi_state(uid, context)
entity.attributes['occi.compute.state'] = state
entity.actions = actions
# set up to date attributes
entity.attributes['occi.compute.cores'] = str(instance['vcpus'])
value = str(float(instance['memory_mb']) / 1024)
entity.attributes['occi.compute.memory'] = value
#Now we have the instance state, get its updated network info
net_info = net.get_adapter_info(uid, context)
attach_to_default_network(net_info, entity, extras)
# add consoles and storage links
set_console_info(entity, uid, extras)
def create(self, entity, extras):
"""
Create a VM.
"""
LOG.debug('Creating an Virtual machine')
# ignore some attributes - done via templating
if 'occi.compute.cores' in entity.attributes or \
'occi.compute.speed' in entity.attributes or \
'occi.compute.memory' in entity.attributes or \
'occi.compute.architecture' in entity.attributes:
raise AttributeError('There are unsupported attributes in the '
'request.')
# create the VM
context = extras['nova_ctx']
instance = vm.create_vm(entity, context)
uid = instance['uuid']
# deal with some networking stuff
net_info = net.get_adapter_info(uid, context)
attach_to_default_network(net_info, entity, extras)
# add consoles and storage links
set_console_info(entity, uid, extras)
# set some attributes
entity.attributes['occi.core.id'] = instance['uuid']
entity.attributes['occi.compute.hostname'] = instance['hostname']
entity.attributes['occi.compute.architecture'] = \
vol.get_image_architecture(uid, extras['nova_ctx'])
entity.attributes['occi.compute.cores'] = str(instance['vcpus'])
entity.attributes['occi.compute.speed'] = str(0.0) # N/A in instance
value = str(float(instance['memory_mb']) / 1024)
entity.attributes['occi.compute.memory'] = value
entity.attributes['occi.compute.state'] = 'inactive'
# set valid actions
entity.actions = [infrastructure.STOP,
infrastructure.SUSPEND,
infrastructure.RESTART,
openstack.OS_REVERT_RESIZE,
openstack.OS_CONFIRM_RESIZE,
openstack.OS_CREATE_IMAGE]
