def create(self, link, extras):
"""
Creates a link from a compute instance to a storage volume.
The user must specify what the device id is to be.
"""
context = extras['nova_ctx']
instance_id = link.source.attributes['occi.core.id']
volume_id = link.target.attributes['occi.core.id']
if 'occi.storagelink.deviceid' in link.attributes:
mount_point = link.attributes['occi.storagelink.deviceid']
else:
# get the list of linked mount points
mp = []
for sl in link.source.links:
if 'occi.storagelink.mountpoint' in sl.attributes:
mp.append(sl.attributes['occi.storagelink.mountpoint'])
# generate a mount point who is not already in use
i = 100 # Start from d
mount_point = "/dev/vd" + chr(i)
while mount_point in mp:
i = i + 1
mount_point = "/dev/vd" + chr(i)
# If hostname is set and state is not, this mean that we are requesting
# a new instance with links, so the instance does not exist yet
if ('occi.compute.hostname' not in link.source.attributes
or 'occi.compute.state' in link.source.attributes):
vm.attach_volume(instance_id, volume_id, mount_point, context)
link.attributes['occi.core.id'] = str(uuid.uuid4())
link.attributes['occi.storagelink.deviceid'] = mount_point
link.attributes['occi.storagelink.mountpoint'] = mount_point
link.attributes['occi.storagelink.state'] = 'active'
def create(self, link, extras):
"""
Creates a link from a compute instance to a storage volume.
The user must specify what the device id is to be.
"""
volume_id = link.target.attributes.get('occi.core.id', '')
instance_id = link.source.attributes.get('occi.core.id', '')
link_id = '_'.join([instance_id, volume_id])
link.identifier = infrastructure.STORAGELINK.location + link_id
link.attributes['occi.core.id'] = link_id
link.attributes['occi.storagelink.state'] = 'active'
registry = extras['registry']
try:
registry.get_resource('/compute/%s' % instance_id, extras)
except KeyError:
# image is not in the registry -> link created with the VM
# will be handled elsewhere
pass
else:
context = extras['nova_ctx']
device_id = link.attributes.get('occi.storagelink.deviceid')
device_name = vm.attach_volume(instance_id, volume_id,
device_id, context)
link.attributes['occi.storagelink.deviceid'] = device_name
def create(self, link, extras):
"""
Creates a link from a compute instance to a storage volume.
The user must specify what the device id is to be.
"""
context = extras['nova_ctx']
instance_id = link.source.attributes['occi.core.id']
volume_id = link.target.attributes['occi.core.id']
mount_point = link.attributes['occi.storagelink.deviceid']
vm.attach_volume(instance_id, volume_id, mount_point, context)
link.attributes['occi.core.id'] = str(uuid.uuid4())
link.attributes['occi.storagelink.deviceid'] = \
link.attributes['occi.storagelink.deviceid']
link.attributes['occi.storagelink.mountpoint'] = ''
link.attributes['occi.storagelink.state'] = 'active'
def create(self, link, extras):
"""
Creates a link from a compute instance to a storage volume.
The user must specify what the device id is to be.
"""
context = extras['nova_ctx']
instance_id = link.source.attributes['occi.core.id']
volume_id = link.target.attributes['occi.core.id']
mount_point = link.attributes['occi.storagelink.deviceid']
vm.attach_volume(instance_id, volume_id, mount_point, context)
link.attributes['occi.core.id'] = str(uuid.uuid4())
link.attributes['occi.storagelink.deviceid'] = \
link.attributes['occi.storagelink.deviceid']
link.attributes['occi.storagelink.mountpoint'] = ''
link.attributes['occi.storagelink.state'] = 'active'
