def get_DSCSIs(self):
DSCSIs = []
uuid = self.get_uuid()
for dscsi in XendAPIStore.get_all('DSCSI'):
if dscsi.get_VM() == self.VM and dscsi.get_HBA() == uuid:
DSCSIs.append(dscsi.get_uuid())
return DSCSIs
def get_DSCSIs(self):
DSCSIs = []
uuid = self.get_uuid()
for dscsi in XendAPIStore.get_all('DSCSI'):
if dscsi.get_VM() == self.VM and dscsi.get_HBA() == uuid:
DSCSIs.append(dscsi.get_uuid())
return DSCSIs
def get_PSCSI_HBAs(self):
PSCSIs = []
uuid = self.get_uuid()
for dscsi in XendAPIStore.get_all('DSCSI'):
if dscsi.get_VM() == self.VM and dscsi.get_HBA() == uuid:
PSCSIs.append(dscsi.get_PSCSI())
PSCSI_HBAs = []
for pscsi_uuid in PSCSIs:
pscsi_HBA_uuid = XendAPIStore.get(pscsi_uuid, 'PSCSI').get_HBA()
if not pscsi_HBA_uuid in PSCSI_HBAs:
PSCSI_HBAs.append(pscsi_HBA_uuid)
return PSCSI_HBAs
def get_PSCSI_HBAs(self):
PSCSIs = []
uuid = self.get_uuid()
for dscsi in XendAPIStore.get_all('DSCSI'):
if dscsi.get_VM() == self.VM and dscsi.get_HBA() == uuid:
PSCSIs.append(dscsi.get_PSCSI())
PSCSI_HBAs = []
for pscsi_uuid in PSCSIs:
pscsi_HBA_uuid = XendAPIStore.get(pscsi_uuid, 'PSCSI').get_HBA()
if not pscsi_HBA_uuid in PSCSI_HBAs:
PSCSI_HBAs.append(pscsi_HBA_uuid)
return PSCSI_HBAs
def autostart_pools(cls):
""" Start managed pools that are marked as autostart pools.
Function is called after recreation of managed domains while
xend restart.
"""
cls.pool_lock.acquire()
try:
for inst in XendAPIStore.get_all(cls.getClass()):
if inst.is_managed() and inst.auto_power_on and \
inst.query_pool_id() == None:
inst.activate()
finally:
cls.pool_lock.release()
def get_by_name_label(cls, name_label):
""" Query a Pool(ref) by its name.
@return: ref of pool
@rtype: str
"""
cls.pool_lock.acquire()
try:
return [ inst.get_uuid()
for inst in XendAPIStore.get_all(cls.getClass())
if inst.name_label == name_label
]
finally:
cls.pool_lock.release()
def get_all_managed(cls):
""" Query all managed pools.
@return: uuids of all managed pools
@rtype: list of str
"""
cls.pool_lock.acquire()
try:
managed_pools = [ inst.get_uuid()
for inst in XendAPIStore.get_all(cls.getClass())
if inst.is_managed() ]
finally:
cls.pool_lock.release()
return managed_pools
def autostart_pools(cls):
""" Start managed pools that are marked as autostart pools.
Function is called after recreation of managed domains while
xend restart.
"""
cls.pool_lock.acquire()
try:
for inst in XendAPIStore.get_all(cls.getClass()):
if inst.is_managed() and inst.auto_power_on and \
inst.query_pool_id() == None:
inst.activate()
finally:
cls.pool_lock.release()
def get_by_name_label(cls, name_label):
""" Query a Pool(ref) by its name.
@return: ref of pool
@rtype: str
"""
cls.pool_lock.acquire()
try:
return [
inst.get_uuid()
for inst in XendAPIStore.get_all(cls.getClass())
if inst.name_label == name_label
]
finally:
cls.pool_lock.release()
def get_all_managed(cls):
""" Query all managed pools.
@return: uuids of all managed pools
@rtype: list of str
"""
cls.pool_lock.acquire()
try:
managed_pools = [
inst.get_uuid()
for inst in XendAPIStore.get_all(cls.getClass())
if inst.is_managed()
]
finally:
cls.pool_lock.release()
return managed_pools
def create(self, dpci_struct):
# Check if VM is valid
xendom = XendDomain.instance()
if not xendom.is_valid_vm(dpci_struct['VM']):
raise InvalidHandleError('VM', dpci_struct['VM'])
dom = xendom.get_vm_by_uuid(dpci_struct['VM'])
# Check if PPCI is valid
xennode = XendNode.instance()
ppci_uuid = xennode.get_ppci_by_uuid(dpci_struct['PPCI'])
if not ppci_uuid:
raise InvalidHandleError('PPCI', dpci_struct['PPCI'])
for existing_dpci in XendAPIStore.get_all('DPCI'):
if ppci_uuid == existing_dpci.get_PPCI():
raise DirectPCIError("Device is in use")
# Assign PPCI to VM
try:
dpci_ref = XendTask.log_progress(0, 100, dom.create_dpci,
dpci_struct)
except XendError, e:
raise DirectPCIError("Failed to assign device")
def create(self, dpci_struct):
# Check if VM is valid
xendom = XendDomain.instance()
if not xendom.is_valid_vm(dpci_struct['VM']):
raise InvalidHandleError('VM', dpci_struct['VM'])
dom = xendom.get_vm_by_uuid(dpci_struct['VM'])
# Check if PPCI is valid
xennode = XendNode.instance()
ppci_uuid = xennode.get_ppci_by_uuid(dpci_struct['PPCI'])
if not ppci_uuid:
raise InvalidHandleError('PPCI', dpci_struct['PPCI'])
for existing_dpci in XendAPIStore.get_all('DPCI'):
if ppci_uuid == existing_dpci.get_PPCI():
raise DirectPCIError("Device is in use")
# Assign PPCI to VM
try:
dpci_ref = XendTask.log_progress(0, 100, dom.create_dpci,
dpci_struct)
except XendError, e:
raise DirectPCIError("Failed to assign device")
def get_by_SR(cls, sr_ref):
pbds = XendAPIStore.get_all("PBD")
return [pbd.get_uuid()
for pbd in pbds
if pbd.get_SR() == sr_ref]
def get_by_SR(cls, sr_ref):
pbds = XendAPIStore.get_all("PBD")
return [pbd.get_uuid() for pbd in pbds if pbd.get_SR() == sr_ref]
def get_by_VM(cls, VM_ref):
result = []
for dpci in XendAPIStore.get_all("DPCI"):
if dpci.get_VM() == VM_ref:
result.append(dpci.get_uuid())
return result
def get_all_records(cls):
return dict([(inst.get_uuid(), inst.get_record())
for inst in XendAPIStore.get_all(cls.getClass())])
def get_by_VM(cls, VM_ref):
result = []
for dscsi in XendAPIStore.get_all("DSCSI"):
if dscsi.get_VM() == VM_ref:
result.append(dscsi.get_uuid())
return result
def get_by_name_label(cls, name):
return [inst.get_uuid()
for inst in XendAPIStore.get_all(cls.getClass())
if inst.get_name_label() == name]
def get_all_records(cls):
return dict([(inst.get_uuid(), inst.get_record())
for inst in XendAPIStore.get_all(cls.getClass())])
def get_PIFs(self):
pifs = XendAPIStore.get_all("PIF")
return [pif.get_uuid() for pif in pifs
if pif.get_network() == self.get_uuid()]
def get_by_name_label(cls, name):
return [
inst.get_uuid() for inst in XendAPIStore.get_all(cls.getClass())
if inst.get_name_label() == name
]
def get_by_VM(cls, VM_ref):
result = []
for dpci in XendAPIStore.get_all("DPCI"):
if dpci.get_VM() == VM_ref:
result.append(dpci.get_uuid())
return result
def get_PIFs(self):
pifs = XendAPIStore.get_all("PIF")
return [
pif.get_uuid() for pif in pifs
if pif.get_network() == self.get_uuid()
]
def get_by_VM(cls, VM_ref):
result = []
for dscsi_HBA in XendAPIStore.get_all("DSCSI_HBA"):
if dscsi_HBA.get_VM() == VM_ref:
result.append(dscsi_HBA.get_uuid())
return result
