def sync_with_hypervisor(vmachineguid, storagedriver_id=None):
"""
Updates a given vmachine with data retrieved from a given pmachine
:param vmachineguid: Guid of the virtual machine
:param storagedriver_id: Storage Driver hosting the vmachine
"""
try:
vmachine = VMachine(vmachineguid)
except Exception as ex:
VMachineController._logger.info('Cannot get VMachine object: {0}'.format(str(ex)))
raise
vm_object = None
if vmachine.pmachine.mgmtcenter and storagedriver_id is not None and vmachine.devicename is not None:
try:
mgmt_center = Factory.get_mgmtcenter(vmachine.pmachine)
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
VMachineController._logger.info('Syncing vMachine (name {0}) with Management center {1}'.format(vmachine.name, vmachine.pmachine.mgmtcenter.name))
vm_object = mgmt_center.get_vm_agnostic_object(devicename=vmachine.devicename,
ip=storagedriver.storage_ip,
mountpoint=storagedriver.mountpoint)
except Exception as ex:
VMachineController._logger.info('Error while fetching vMachine info from management center: {0}'.format(str(ex)))
if vm_object is None and storagedriver_id is None and vmachine.hypervisor_id is not None and vmachine.pmachine is not None:
try:
# Only the vmachine was received, so base the sync on hypervisor id and pmachine
hypervisor = Factory.get(vmachine.pmachine)
VMachineController._logger.info('Syncing vMachine (name {0})'.format(vmachine.name))
vm_object = hypervisor.get_vm_agnostic_object(vmid=vmachine.hypervisor_id)
except Exception as ex:
VMachineController._logger.info('Error while fetching vMachine info from hypervisor: {0}'.format(str(ex)))
if vm_object is None and storagedriver_id is not None and vmachine.devicename is not None:
try:
# Storage Driver id was given, using the devicename instead (to allow hypervisor id updates
# which can be caused by re-adding a vm to the inventory)
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
hypervisor = Factory.get(pmachine)
if not hypervisor.file_exists(storagedriver, hypervisor.clean_vmachine_filename(vmachine.devicename)):
return
vmachine.pmachine = pmachine
vmachine.save()
VMachineController._logger.info('Syncing vMachine (device {0}, ip {1}, mountpoint {2})'.format(vmachine.devicename,
storagedriver.storage_ip,
storagedriver.mountpoint))
vm_object = hypervisor.get_vm_object_by_devicename(devicename=vmachine.devicename,
ip=storagedriver.storage_ip,
mountpoint=storagedriver.mountpoint)
except Exception as ex:
VMachineController._logger.info('Error while fetching vMachine info from hypervisor using devicename: {0}'.format(str(ex)))
if vm_object is None:
message = 'Not enough information to sync vmachine'
VMachineController._logger.info('Error: {0}'.format(message))
raise RuntimeError(message)
VMachineController.update_vmachine_config(vmachine, vm_object)
def sync_with_hypervisor(vmachineguid, storagedriver_id=None):
"""
Updates a given vmachine with data retrieved from a given pmachine
:param vmachineguid: Guid of the virtual machine
:param storagedriver_id: Storage Driver hosting the vmachine
"""
try:
vmachine = VMachine(vmachineguid)
except Exception as ex:
VMachineController._logger.info('Cannot get VMachine object: {0}'.format(str(ex)))
raise
vm_object = None
if vmachine.pmachine.mgmtcenter and storagedriver_id is not None and vmachine.devicename is not None:
try:
mgmt_center = Factory.get_mgmtcenter(vmachine.pmachine)
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
VMachineController._logger.info('Syncing vMachine (name {0}) with Management center {1}'.format(vmachine.name, vmachine.pmachine.mgmtcenter.name))
vm_object = mgmt_center.get_vm_agnostic_object(devicename=vmachine.devicename,
ip=storagedriver.storage_ip,
mountpoint=storagedriver.mountpoint)
except Exception as ex:
VMachineController._logger.info('Error while fetching vMachine info from management center: {0}'.format(str(ex)))
if vm_object is None and storagedriver_id is None and vmachine.hypervisor_id is not None and vmachine.pmachine is not None:
try:
# Only the vmachine was received, so base the sync on hypervisor id and pmachine
hypervisor = Factory.get(vmachine.pmachine)
VMachineController._logger.info('Syncing vMachine (name {0})'.format(vmachine.name))
vm_object = hypervisor.get_vm_agnostic_object(vmid=vmachine.hypervisor_id)
except Exception as ex:
VMachineController._logger.info('Error while fetching vMachine info from hypervisor: {0}'.format(str(ex)))
if vm_object is None and storagedriver_id is not None and vmachine.devicename is not None:
try:
# Storage Driver id was given, using the devicename instead (to allow hypervisor id updates
# which can be caused by re-adding a vm to the inventory)
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
hypervisor = Factory.get(pmachine)
if not hypervisor.file_exists(storagedriver, hypervisor.clean_vmachine_filename(vmachine.devicename)):
return
vmachine.pmachine = pmachine
vmachine.save()
VMachineController._logger.info('Syncing vMachine (device {0}, ip {1}, mountpoint {2})'.format(vmachine.devicename,
storagedriver.storage_ip,
storagedriver.mountpoint))
vm_object = hypervisor.get_vm_object_by_devicename(devicename=vmachine.devicename,
ip=storagedriver.storage_ip,
mountpoint=storagedriver.mountpoint)
except Exception as ex:
VMachineController._logger.info('Error while fetching vMachine info from hypervisor using devicename: {0}'.format(str(ex)))
if vm_object is None:
message = 'Not enough information to sync vmachine'
VMachineController._logger.info('Error: {0}'.format(message))
raise RuntimeError(message)
VMachineController.update_vmachine_config(vmachine, vm_object)
def update_vdisk_name(volume_id, old_name, new_name):
"""
Update a vDisk name using Management Center: set new name
"""
vdisk = None
for mgmt_center in MgmtCenterList.get_mgmtcenters():
mgmt = Factory.get_mgmtcenter(mgmt_center = mgmt_center)
try:
disk_info = mgmt.get_vdisk_device_info(volume_id)
device_path = disk_info['device_path']
vpool_name = disk_info['vpool_name']
vp = VPoolList.get_vpool_by_name(vpool_name)
file_name = os.path.basename(device_path)
vdisk = VDiskList.get_by_devicename_and_vpool(file_name, vp)
if vdisk:
break
except Exception as ex:
logger.info('Trying to get mgmt center failed for disk {0} with volume_id {1}. {2}'.format(old_name, volume_id, ex))
if not vdisk:
logger.error('No vdisk found for name {0}'.format(old_name))
return
vpool = vdisk.vpool
mutex = VolatileMutex('{}_{}'.format(old_name, vpool.guid if vpool is not None else 'none'))
try:
mutex.acquire(wait=5)
vdisk.name = new_name
vdisk.save()
finally:
mutex.release()
def update_vdisk_name(volume_id, old_name, new_name):
"""
Update a vDisk name using Management Center: set new name
"""
vdisk = None
for mgmt_center in MgmtCenterList.get_mgmtcenters():
mgmt = Factory.get_mgmtcenter(mgmt_center=mgmt_center)
try:
disk_info = mgmt.get_vdisk_device_info(volume_id)
device_path = disk_info['device_path']
vpool_name = disk_info['vpool_name']
vp = VPoolList.get_vpool_by_name(vpool_name)
file_name = os.path.basename(device_path)
vdisk = VDiskList.get_by_devicename_and_vpool(file_name, vp)
if vdisk:
break
except Exception as ex:
logger.info(
'Trying to get mgmt center failed for disk {0} with volume_id {1}. {2}'
.format(old_name, volume_id, ex))
if not vdisk:
logger.error('No vdisk found for name {0}'.format(old_name))
return
vpool = vdisk.vpool
mutex = VolatileMutex('{}_{}'.format(
old_name, vpool.guid if vpool is not None else 'none'))
try:
mutex.acquire(wait=5)
vdisk.name = new_name
vdisk.save()
finally:
mutex.release()
def create(self, request):
"""
Creates a Management Center
"""
serializer = FullSerializer(
MgmtCenter,
instance=MgmtCenter(),
data=request.DATA,
allow_passwords=True)
if serializer.is_valid():
mgmt_center = serializer.object
duplicate = MgmtCenterList.get_by_ip(mgmt_center.ip)
if duplicate is None:
try:
mgmt_center_client = Factory.get_mgmtcenter(
mgmt_center=mgmt_center)
is_mgmt_center = mgmt_center_client.test_connection()
except Exception as ex:
logger.debug('Management center testing: {0}'.format(ex))
raise NotAcceptable('The given information is invalid.')
if not is_mgmt_center:
raise NotAcceptable(
'The given information is not for a Management center.'
)
mgmt_center.save()
return Response(
serializer.data, status=status.HTTP_201_CREATED)
else:
raise NotAcceptable(
'A Mangement Center with this ip already exists.')
else:
return Response(
serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def _hosts(self):
"""
Returns all hosts (not only those known to OVS) managed by the Management center
"""
mgmt_center = Factory.get_mgmtcenter(mgmt_center=self)
if mgmt_center is not None:
return mgmt_center.get_hosts()
else:
return {}
def _hosts(self):
"""
Returns all hosts (not only those known to OVS) managed by the Management center
"""
mgmt_center = Factory.get_mgmtcenter(mgmt_center=self)
if mgmt_center is not None:
return mgmt_center.get_hosts()
else:
return {}
def unconfigure_vpool_for_host(pmachine_guid, vpool_guid):
pmachine = PMachine(pmachine_guid)
mgmt_center_client = None
try:
mgmt_center_client = Factory.get_mgmtcenter(pmachine=pmachine)
except Exception as ex:
logger.error('Cannot get management center client: {0}'.format(ex))
if mgmt_center_client is not None:
logger.info('Unconfiguring vPool {0} on host {1}'.format(vpool_guid, pmachine.name))
mgmt_center_client.unconfigure_vpool_for_host(vpool_guid, False, pmachine.ip)
def _host_status(self):
"""
Returns the host status as reported by the management center (e.g. vCenter Server)
"""
mgmtcentersdk = Factory.get_mgmtcenter(self)
if mgmtcentersdk:
if self.hypervisor_id:
return mgmtcentersdk.get_host_status_by_pk(self.hypervisor_id)
if self.ip:
return mgmtcentersdk.get_host_status_by_ip(self.ip)
return 'UNKNOWN'
def _host_status(self):
"""
Returns the host status as reported by the management center (e.g. vCenter Server)
"""
mgmtcentersdk = hvFactory.get_mgmtcenter(self)
if mgmtcentersdk:
if self.hypervisor_id:
return mgmtcentersdk.get_host_status_by_pk(self.hypervisor_id)
if self.ip:
return mgmtcentersdk.get_host_status_by_ip(self.ip)
return 'UNKNOWN'
def unconfigure_vpool_for_host(pmachine_guid, vpool_guid):
pmachine = PMachine(pmachine_guid)
mgmt_center_client = None
try:
mgmt_center_client = Factory.get_mgmtcenter(pmachine=pmachine)
except Exception as ex:
logger.error('Cannot get management center client: {0}'.format(ex))
if mgmt_center_client is not None:
logger.info('Unconfiguring vPool {0} on host {1}'.format(
vpool_guid, pmachine.name))
mgmt_center_client.unconfigure_vpool_for_host(
vpool_guid, False, pmachine.ip)
def is_host_configured(pmachine_guid):
pmachine = PMachine(pmachine_guid)
mgmt_center_client = None
try:
mgmt_center_client = Factory.get_mgmtcenter(pmachine=pmachine)
except Exception as ex:
if pmachine.mgmtcenter_guid:
logger.error('Cannot get management center client: {0}'.format(ex))
if mgmt_center_client is not None:
return mgmt_center_client.is_host_configured(pmachine.ip)
return False
def is_host_configured(pmachine_guid):
pmachine = PMachine(pmachine_guid)
mgmt_center_client = None
try:
mgmt_center_client = Factory.get_mgmtcenter(pmachine=pmachine)
except Exception as ex:
if pmachine.mgmtcenter_guid:
MgmtCenterController._logger.error(
'Cannot get management center client: {0}'.format(ex))
if mgmt_center_client is not None:
return mgmt_center_client.is_host_configured(pmachine.ip)
return False
def unconfigure_host(pmachine_guid, mgmtcenter_guid, update_link):
pmachine = PMachine(pmachine_guid)
mgmt_center = MgmtCenter(mgmtcenter_guid)
mgmt_center_client = None
try:
mgmt_center_client = Factory.get_mgmtcenter(mgmt_center=mgmt_center)
except Exception as ex:
logger.error('Cannot get management center client: {0}'.format(ex))
if mgmt_center_client is not None:
logger.info('Unconfiguring host {0} from management center {1}'.format(pmachine.name, mgmt_center.name))
mgmt_center_client.unconfigure_host(pmachine.ip)
if update_link is True:
pmachine.mgmtcenter = None
pmachine.save()
def sync_with_mgmtcenter(disk, pmachine, storagedriver):
"""
Update disk info using management center (if available)
If no management center, try with hypervisor
If no info retrieved, use devicename
@param disk: vDisk hybrid (vdisk to be updated)
@param pmachine: pmachine hybrid (pmachine running the storagedriver)
@param storagedriver: storagedriver hybrid (storagedriver serving the vdisk)
"""
disk_name = None
if pmachine.mgmtcenter is not None:
logger.debug(
'Sync vdisk {0} with management center {1} on storagedriver {2}'
.format(disk.name, pmachine.mgmtcenter.name,
storagedriver.name))
mgmt = Factory.get_mgmtcenter(mgmt_center=pmachine.mgmtcenter)
volumepath = disk.devicename
mountpoint = storagedriver.mountpoint
devicepath = '{0}/{1}'.format(mountpoint, volumepath)
try:
disk_mgmt_center_info = mgmt.get_vdisk_model_by_devicepath(
devicepath)
if disk_mgmt_center_info is not None:
disk_name = disk_mgmt_center_info.get('name')
except Exception as ex:
logger.error(
'Failed to sync vdisk {0} with mgmt center {1}. {2}'.
format(disk.name, pmachine.mgmtcenter.name, str(ex)))
if disk_name is None:
logger.info('Sync vdisk with hypervisor on {0}'.format(
pmachine.name))
try:
hv = Factory.get(pmachine)
info = hv.get_vm_agnostic_object(disk.vmachine.hypervisor_id)
for disk in info['disks']:
if disk['filename'] == disk.devicename:
disk_name = disk['name']
break
except Exception as ex:
logger.error('Failed to get vdisk info from hypervisor. %s' %
ex)
if disk_name is None:
logger.info('No info retrieved from hypervisor, using devicename')
disk_name = disk.devicename.split('/')[-1].split('.')[0]
if disk_name is not None:
disk.name = disk_name
disk.save()
def test_connection(mgmt_center_guid):
"""
Test management center connection
"""
mgmt_center = MgmtCenter(mgmt_center_guid)
try:
mgmt_center_client = Factory.get_mgmtcenter(mgmt_center=mgmt_center)
except Exception as ex:
logger.error('Cannot get mgmt center client: {0}'.format(ex))
return None
try:
is_mgmt_center = mgmt_center_client.test_connection()
except Exception as ex:
logger.error('Cannot test connection: {0}'.format(ex))
return False
return is_mgmt_center
def configure_host(pmachine_guid, mgmtcenter_guid, update_link):
pmachine = PMachine(pmachine_guid)
mgmt_center = MgmtCenter(mgmtcenter_guid)
mgmt_center_client = None
try:
mgmt_center_client = Factory.get_mgmtcenter(
mgmt_center=mgmt_center)
except Exception as ex:
logger.error('Cannot get management center client: {0}'.format(ex))
if mgmt_center_client is not None:
logger.info('Configuring host {0} on management center {1}'.format(
pmachine.name, mgmt_center.name))
mgmt_center_client.configure_host(pmachine.ip)
if update_link is True:
pmachine.mgmtcenter = mgmt_center
pmachine.save()
def test_connection(mgmt_center_guid):
"""
Test mgmtcenter connection
"""
mgmt_center = MgmtCenter(mgmt_center_guid)
try:
mgmt_center_client = Factory.get_mgmtcenter(
mgmt_center=mgmt_center)
except Exception as ex:
logger.error('Cannot get mgmt center client: %s' % ex)
return None
try:
is_mgmt_center = mgmt_center_client.test_connection()
except Exception as ex:
logger.error('Cannot test connection: %s' % ex)
return False
return is_mgmt_center
def update_vmachine_name(instance_id, old_name, new_name):
"""
Update a vMachine name: find vmachine by management center instance id, set new name
:param instance_id: ID for the virtual machine known by management center
:param old_name: Old name of the virtual machine
:param new_name: New name for the virtual machine
"""
vmachine = None
for mgmt_center in MgmtCenterList.get_mgmtcenters():
mgmt = Factory.get_mgmtcenter(mgmt_center=mgmt_center)
try:
machine_info = mgmt.get_vmachine_device_info(instance_id)
file_name = machine_info['file_name']
host_name = machine_info['host_name']
vpool_name = machine_info['vpool_name']
storage_router = StorageRouterList.get_by_name(host_name)
machine_id = storage_router.machine_id
device_name = '{0}/{1}'.format(machine_id, file_name)
vp = VPoolList.get_vpool_by_name(vpool_name)
vmachine = VMachineList.get_by_devicename_and_vpool(
device_name, vp)
if vmachine:
break
vmachine = VMachineList.get_by_devicename_and_vpool(
device_name, None)
if vmachine:
break
except Exception as ex:
logger.info(
'Trying to get mgmt center failed for vmachine {0}. {1}'.
format(old_name, ex))
if not vmachine:
logger.error('No vmachine found for name {0}'.format(old_name))
return
vpool = vmachine.vpool
mutex = VolatileMutex('{0}_{1}'.format(
old_name, vpool.guid if vpool is not None else 'none'))
try:
mutex.acquire(wait=5)
vmachine.name = new_name
vmachine.save()
finally:
mutex.release()
def test_connection(mgmt_center_guid):
"""
Test management center connection
"""
mgmt_center = MgmtCenter(mgmt_center_guid)
try:
mgmt_center_client = Factory.get_mgmtcenter(
mgmt_center=mgmt_center)
except Exception as ex:
MgmtCenterController._logger.error(
'Cannot get mgmt center client: {0}'.format(ex))
return None
try:
is_mgmt_center = mgmt_center_client.test_connection()
except Exception as ex:
MgmtCenterController._logger.error(
'Cannot test connection: {0}'.format(ex))
return False
return is_mgmt_center
def sync_with_mgmtcenter(disk, pmachine, storagedriver):
"""
Update disk info using management center (if available)
If no management center, try with hypervisor
If no info retrieved, use devicename
@param disk: vDisk hybrid (vdisk to be updated)
@param pmachine: pmachine hybrid (pmachine running the storagedriver)
@param storagedriver: storagedriver hybrid (storagedriver serving the vdisk)
"""
disk_name = None
if pmachine.mgmtcenter is not None:
logger.debug('Sync vdisk {0} with management center {1} on storagedriver {2}'.format(disk.name, pmachine.mgmtcenter.name, storagedriver.name))
mgmt = Factory.get_mgmtcenter(mgmt_center = pmachine.mgmtcenter)
volumepath = disk.devicename
mountpoint = storagedriver.mountpoint
devicepath = '{0}/{1}'.format(mountpoint, volumepath)
try:
disk_mgmt_center_info = mgmt.get_vdisk_model_by_devicepath(devicepath)
if disk_mgmt_center_info is not None:
disk_name = disk_mgmt_center_info.get('name')
except Exception as ex:
logger.error('Failed to sync vdisk {0} with mgmt center {1}. {2}'.format(disk.name, pmachine.mgmtcenter.name, str(ex)))
if disk_name is None:
logger.info('Sync vdisk with hypervisor on {0}'.format(pmachine.name))
try:
hv = Factory.get(pmachine)
info = hv.get_vm_agnostic_object(disk.vmachine.hypervisor_id)
for disk in info['disks']:
if disk['filename'] == disk.devicename:
disk_name = disk['name']
break
except Exception as ex:
logger.error('Failed to get vdisk info from hypervisor. %s' % ex)
if disk_name is None:
logger.info('No info retrieved from hypervisor, using devicename')
disk_name = disk.devicename.split('/')[-1].split('.')[0]
if disk_name is not None:
disk.name = disk_name
disk.save()
def update_vmachine_name(instance_id, old_name, new_name):
"""
Update a vMachine name: find vmachine by management center instance id, set new name
:param instance_id: ID for the virtual machine known by management center
:param old_name: Old name of the virtual machine
:param new_name: New name for the virtual machine
"""
vmachine = None
for mgmt_center in MgmtCenterList.get_mgmtcenters():
mgmt = Factory.get_mgmtcenter(mgmt_center = mgmt_center)
try:
machine_info = mgmt.get_vmachine_device_info(instance_id)
file_name = machine_info['file_name']
host_name = machine_info['host_name']
vpool_name = machine_info['vpool_name']
storage_router = StorageRouterList.get_by_name(host_name)
machine_id = storage_router.machine_id
device_name = '{0}/{1}'.format(machine_id, file_name)
vp = VPoolList.get_vpool_by_name(vpool_name)
vmachine = VMachineList.get_by_devicename_and_vpool(device_name, vp)
if vmachine:
break
vmachine = VMachineList.get_by_devicename_and_vpool(device_name, None)
if vmachine:
break
except Exception as ex:
VMachineController._logger.info('Trying to get mgmt center failed for vmachine {0}. {1}'.format(old_name, ex))
if not vmachine:
VMachineController._logger.error('No vmachine found for name {0}'.format(old_name))
return
vpool = vmachine.vpool
mutex = volatile_mutex('{0}_{1}'.format(old_name, vpool.guid if vpool is not None else 'none'))
try:
mutex.acquire(wait=5)
vmachine.name = new_name
vmachine.save()
finally:
mutex.release()
def create(self, request):
"""
Creates a Management Center
"""
serializer = FullSerializer(MgmtCenter, instance=MgmtCenter(), data=request.DATA, allow_passwords=True)
if serializer.is_valid():
mgmt_center = serializer.object
duplicate = MgmtCenterList.get_by_ip(mgmt_center.ip)
if duplicate is None:
try:
mgmt_center_client = Factory.get_mgmtcenter(mgmt_center=mgmt_center)
is_mgmt_center = mgmt_center_client.test_connection()
except Exception as ex:
logger.debug('Management center testing: {0}'.format(ex))
raise NotAcceptable('The given information is invalid.')
if not is_mgmt_center:
raise NotAcceptable('The given information is not for a Management center.')
mgmt_center.save()
return Response(serializer.data, status=status.HTTP_201_CREATED)
else:
raise NotAcceptable('A Mangement Center with this ip already exists.')
else:
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
