def create_volume(self, size, name, location=None, snapshot=None):
"""
Creates a new storage volume with the given size. The 'name'
corresponds to the volume tag. The visibility of the created
volume is 'private'.
The snapshot parameter is currently ignored.
The created StorageVolume contains a dict for the extra
information with a 'location' key storing the location used
for the volume. This is set to 'default' if no location has
been given.
@inherits: L{NodeDriver.create_volume}
"""
configHolder = self._get_config_section(location)
pdisk = PersistentDisk(configHolder)
# Creates a private disk. Boolean flag = False means private.
vol_uuid = pdisk.createVolume(size, name, False)
extra = {'location': location}
return StorageVolume(vol_uuid, name, size, self, extra=extra)
def create_volume(self, size, name, location=None, snapshot=None):
"""
Creates a new storage volume with the given size. The 'name'
corresponds to the volume tag. The visibility of the created
volume is 'private'.
The snapshot parameter is currently ignored.
The created StorageVolume contains a dict for the extra
information with a 'location' key storing the location used
for the volume. This is set to 'default' if no location has
been given.
@inherits: L{NodeDriver.create_volume}
"""
configHolder = self._get_config_section(location)
pdisk = PersistentDisk(configHolder)
# Creates a private disk. Boolean flag = False means private.
vol_uuid = pdisk.createVolume(size, name, False)
extra = {'location': location}
return StorageVolume(vol_uuid, name, size, self, extra=extra)
def destroy_volume(self, volume):
"""
Destroys the given volume.
@inherits: L{NodeDriver.destroy_volume}
"""
location = self._volume_location(volume)
configHolder = self._get_config_section(location)
pdisk = PersistentDisk(configHolder)
pdisk.deleteVolume(volume.id)
return True
def destroy_volume(self, volume):
"""
Destroys the given volume.
@inherits: L{NodeDriver.destroy_volume}
"""
location = self._volume_location(volume)
configHolder = self._get_config_section(location)
pdisk = PersistentDisk(configHolder)
pdisk.deleteVolume(volume.id)
return True
def detach_volume(self, volume):
location = self._volume_location(volume)
configHolder = self._get_config_section(location)
pdisk = PersistentDisk(configHolder)
try:
node = volume.extra['node']
except (AttributeError, KeyError):
raise Exception('volume is not attached to a node')
pdisk.hotDetach(node.id, volume.id)
del(volume.extra['node'])
return True
def detach_volume(self, volume):
location = self._volume_location(volume)
configHolder = self._get_config_section(location)
pdisk = PersistentDisk(configHolder)
try:
node = volume.extra['node']
except (AttributeError, KeyError):
raise Exception('volume is not attached to a node')
pdisk.hotDetach(node.id, volume.id)
del (volume.extra['node'])
return True
def attach_volume(self, node, volume, device=None):
location = self._volume_location(volume)
configHolder = self._get_config_section(location)
pdisk = PersistentDisk(configHolder)
try:
host = node.host
except AttributeError:
raise Exception('node does not contain host information')
pdisk.hotAttach(host, node.id, volume.id)
try:
volume.extra['node'] = node
except AttributeError:
volume.extra = {'node': node}
return True
def attach_volume(self, node, volume, device=None):
location = self._volume_location(volume)
configHolder = self._get_config_section(location)
pdisk = PersistentDisk(configHolder)
try:
host = node.host
except AttributeError:
raise Exception('node does not contain host information')
pdisk.hotAttach(host, node.id, volume.id)
try:
volume.extra['node'] = node
except AttributeError:
volume.extra = {'node': node}
return True
def list_volumes(self, location=None):
"""
Creates a list of all of the volumes in the given location.
This will include private disks of the user as well as public
disks from other users.
This method is not a standard part of the Libcloud node driver
interface.
"""
configHolder = self._get_config_section(location)
pdisk = PersistentDisk(configHolder)
filters = {}
volumes = pdisk.describeVolumes(filters)
storage_volumes = []
for info in volumes:
storage_volumes.append(self._create_storage_volume(info, location))
return storage_volumes
def list_volumes(self, location=None):
"""
Creates a list of all of the volumes in the given location.
This will include private disks of the user as well as public
disks from other users.
This method is not a standard part of the Libcloud node driver
interface.
"""
configHolder = self._get_config_section(location)
pdisk = PersistentDisk(configHolder)
filters = {}
volumes = pdisk.describeVolumes(filters)
storage_volumes = []
for info in volumes:
storage_volumes.append(self._create_storage_volume(info, location))
return storage_volumes
