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_status(storagedriver_id):
"""
Sets Storage Driver offline in case hypervisor management Center
reports the hypervisor pmachine related to this Storage Driver
as unavailable.
:param storagedriver_id: ID of the storagedriver to update its status
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
storagerouter = storagedriver.storagerouter
if pmachine.mgmtcenter:
# Update status
pmachine.invalidate_dynamics(['host_status'])
else:
# No management Center, cannot update status via api
logger.info('Updating status of pmachine {0} using SSHClient'.format(pmachine.name))
host_status = 'RUNNING'
try:
client = SSHClient(storagerouter, username='******')
configuration_dir = EtcdConfiguration.get('/ovs/framework/paths|cfgdir')
logger.info('SSHClient connected successfully to {0} at {1}'.format(pmachine.name, client.ip))
with Remote(client.ip, [LocalStorageRouterClient]) as remote:
lsrc = remote.LocalStorageRouterClient('{0}/storagedriver/storagedriver/{1}.json'.format(configuration_dir,
storagedriver.vpool.name))
lsrc.server_revision()
logger.info('LocalStorageRouterClient connected successfully to {0} at {1}'.format(pmachine.name, client.ip))
except Exception as ex:
logger.error('Connectivity check failed, assuming host {0} is halted. {1}'.format(pmachine.name, ex))
host_status = 'HALTED'
if host_status != 'RUNNING':
# Host is stopped
storagedriver_client = StorageDriverClient.load(storagedriver.vpool)
storagedriver_client.mark_node_offline(str(storagedriver.storagedriver_id))
def resize_from_voldrv(volumename, volumesize, volumepath,
storagedriver_id):
"""
Resize a disk
Triggered by volumedriver messages on the queue
@param volumepath: path on hypervisor to the volume
@param volumename: volume id of the disk
@param volumesize: size of the volume
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
storagedriver = StorageDriverList.get_by_storagedriver_id(
storagedriver_id)
hypervisor = Factory.get(pmachine)
volumepath = hypervisor.clean_backing_disk_filename(volumepath)
mutex = VolatileMutex('{}_{}'.format(volumename, volumepath))
try:
mutex.acquire(wait=30)
disk = VDiskList.get_vdisk_by_volume_id(volumename)
if disk is None:
disk = VDiskList.get_by_devicename_and_vpool(
volumepath, storagedriver.vpool)
if disk is None:
disk = VDisk()
finally:
mutex.release()
disk.devicename = volumepath
disk.volume_id = volumename
disk.size = volumesize
disk.vpool = storagedriver.vpool
disk.save()
def get_pmachine_by_ip(ip):
"""
Retrieve Physical Machine object based on its IP
:param ip: IP of the Physical Machine
:return: Physical Machine DAL object
"""
return PMachineList.get_by_ip(ip=ip)
def delete_from_voldrv(name, storagedriver_id):
"""
This method will delete a vmachine based on the name of the vmx given
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
if pmachine.hvtype not in ['VMWARE', 'KVM']:
return
hypervisor = Factory.get(pmachine)
name = hypervisor.clean_vmachine_filename(name)
if pmachine.hvtype == 'VMWARE':
storagedriver = StorageDriverList.get_by_storagedriver_id(
storagedriver_id)
vpool = storagedriver.vpool
else:
vpool = None
vm = VMachineList.get_by_devicename_and_vpool(name, vpool)
if vm is not None:
MessageController.fire(MessageController.Type.EVENT, {
'type': 'vmachine_deleted',
'metadata': {
'name': vm.name
}
})
vm.delete(abandon=['vdisks'])
def delete_from_voldrv(volumename, storagedriver_id):
"""
Delete a disk
Triggered by volumedriver messages on the queue
@param volumename: volume id of the disk
"""
_ = storagedriver_id # For logging purposes
disk = VDiskList.get_vdisk_by_volume_id(volumename)
if disk is not None:
mutex = VolatileMutex('{}_{}'.format(volumename, disk.devicename))
try:
mutex.acquire(wait=20)
pmachine = None
try:
pmachine = PMachineList.get_by_storagedriver_id(disk.storagedriver_id)
except RuntimeError as ex:
if 'could not be found' not in str(ex):
raise
# else: pmachine can't be loaded, because the volumedriver doesn't know about it anymore
if pmachine is not None:
limit = 5
hypervisor = Factory.get(pmachine)
exists = hypervisor.file_exists(disk.vpool, disk.devicename)
while limit > 0 and exists is True:
time.sleep(1)
exists = hypervisor.file_exists(disk.vpool, disk.devicename)
limit -= 1
if exists is True:
logger.info('Disk {0} still exists, ignoring delete'.format(disk.devicename))
return
logger.info('Delete disk {}'.format(disk.name))
disk.delete()
finally:
mutex.release()
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 resize_from_voldrv(volumename, volumesize, volumepath, storagedriver_id):
"""
Resize a disk
Triggered by volumedriver messages on the queue
@param volumepath: path on hypervisor to the volume
@param volumename: volume id of the disk
@param volumesize: size of the volume
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
hypervisor = Factory.get(pmachine)
volumepath = hypervisor.clean_backing_disk_filename(volumepath)
mutex = VolatileMutex('{}_{}'.format(volumename, volumepath))
try:
mutex.acquire(wait=30)
disk = VDiskList.get_vdisk_by_volume_id(volumename)
if disk is None:
disk = VDiskList.get_by_devicename_and_vpool(volumepath, storagedriver.vpool)
if disk is None:
disk = VDisk()
finally:
mutex.release()
disk.devicename = volumepath
disk.volume_id = volumename
disk.size = volumesize
disk.vpool = storagedriver.vpool
disk.save()
VDiskController.sync_with_mgmtcenter(disk, pmachine, storagedriver)
MDSServiceController.ensure_safety(disk)
def _find_ovs_model_pmachine_guid_by_hostname(self, hostname):
"""Find OVS pmachine guid based on storagerouter name
:return guid: GUID
"""
hostname = self._get_real_hostname(hostname)
LOG.debug("[_FIND OVS PMACHINE] Hostname %s" % (hostname))
mapping = [(pm.guid, str(sr.name)) for pm in PMachineList.get_pmachines() for sr in pm.storagerouters]
for item in mapping:
if item[1] == str(hostname):
msg = "Found pmachineguid %s for Hostname %s"
LOG.info(msg % (item[0], hostname))
return item[0]
raise RuntimeError("No PMachine guid found for Hostname %s" % hostname)
def sync_with_hypervisor(vmachineguid, storagedriver_id=None):
"""
Updates a given vmachine with data retreived from a given pmachine
"""
try:
vmachine = VMachine(vmachineguid)
if storagedriver_id is None and vmachine.hypervisor_id is not None and vmachine.pmachine is not None:
# Only the vmachine was received, so base the sync on hypervisorid and pmachine
hypervisor = Factory.get(vmachine.pmachine)
logger.info('Syncing vMachine (name {})'.format(vmachine.name))
vm_object = hypervisor.get_vm_agnostic_object(
vmid=vmachine.hypervisor_id)
elif storagedriver_id is not None and vmachine.devicename is not None:
# Storage Driver id was given, using the devicename instead (to allow hypervisorid 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(
vmachine.vpool,
hypervisor.clean_vmachine_filename(
vmachine.devicename)):
return
vmachine.pmachine = pmachine
vmachine.save()
logger.info(
'Syncing vMachine (device {}, ip {}, mtpt {})'.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)
else:
message = 'Not enough information to sync vmachine'
logger.info('Error: {0}'.format(message))
raise RuntimeError(message)
except Exception as ex:
logger.info('Error while fetching vMachine info: {0}'.format(
str(ex)))
raise
if vm_object is None:
message = 'Could not retreive hypervisor vmachine object'
logger.info('Error: {0}'.format(message))
raise RuntimeError(message)
else:
VMachineController.update_vmachine_config(vmachine, vm_object)
def _find_ovs_model_pmachine_guid_by_hostname(self, hostname):
"""Find OVS pmachine guid based on storagerouter name
:return guid: GUID
"""
hostname = self._get_real_hostname(hostname)
LOG.debug('[_FIND OVS PMACHINE] Hostname %s' % (hostname))
mapping = [(pm.guid, str(sr.name))
for pm in PMachineList.get_pmachines()
for sr in pm.storagerouters]
for item in mapping:
if item[1] == str(hostname):
msg = 'Found pmachineguid %s for Hostname %s'
LOG.info(msg % (item[0], hostname))
return item[0]
raise RuntimeError('No PMachine guid found for Hostname %s' % hostname)
def rename_from_voldrv(old_name, new_name, storagedriver_id):
"""
This machine will handle the rename of a vmx file
:param old_name: Old name of vmx
:param new_name: New name for the vmx
:param storagedriver_id: Storage Driver hosting the vmachine
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
if pmachine.hvtype not in ['VMWARE', 'KVM']:
return
hypervisor = Factory.get(pmachine)
if pmachine.hvtype == 'VMWARE':
storagedriver = StorageDriverList.get_by_storagedriver_id(
storagedriver_id)
vpool = storagedriver.vpool
else:
vpool = None
old_name = hypervisor.clean_vmachine_filename(old_name)
new_name = hypervisor.clean_vmachine_filename(new_name)
scenario = hypervisor.get_rename_scenario(old_name, new_name)
if scenario == 'RENAME':
# Most likely a change from path. Updating path
vm = VMachineList.get_by_devicename_and_vpool(old_name, vpool)
if vm is not None:
vm.devicename = new_name
vm.save()
elif scenario == 'UPDATE':
vm = VMachineList.get_by_devicename_and_vpool(new_name, vpool)
if vm is None:
# The vMachine doesn't seem to exist, so it's likely the create didn't came trough
# Let's create it anyway
VMachineController.update_from_voldrv(
new_name, storagedriver_id=storagedriver_id)
vm = VMachineList.get_by_devicename_and_vpool(new_name, vpool)
if vm is None:
raise RuntimeError(
'Could not create vMachine on rename. Aborting.')
try:
VMachineController.sync_with_hypervisor(
vm.guid, storagedriver_id=storagedriver_id)
vm.status = 'SYNC'
except:
vm.status = 'SYNC_NOK'
vm.save()
def update_status(storagedriver_id):
"""
Sets Storage Driver offline in case hypervisor management Center
reports the hypervisor pmachine related to this Storage Driver
as unavailable.
:param storagedriver_id: ID of the storagedriver to update its status
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
storagedriver = StorageDriverList.get_by_storagedriver_id(
storagedriver_id)
storagerouter = storagedriver.storagerouter
if pmachine.mgmtcenter:
# Update status
pmachine.invalidate_dynamics(['host_status'])
else:
# No management Center, cannot update status via api
logger.info(
'Updating status of pmachine {0} using SSHClient'.format(
pmachine.name))
host_status = 'RUNNING'
try:
client = SSHClient(storagerouter, username='******')
configuration_dir = EtcdConfiguration.get(
'/ovs/framework/paths|cfgdir')
logger.info(
'SSHClient connected successfully to {0} at {1}'.format(
pmachine.name, client.ip))
with Remote(client.ip, [LocalStorageRouterClient]) as remote:
lsrc = remote.LocalStorageRouterClient(
'{0}/storagedriver/storagedriver/{1}.json'.format(
configuration_dir, storagedriver.vpool.name))
lsrc.server_revision()
logger.info(
'LocalStorageRouterClient connected successfully to {0} at {1}'
.format(pmachine.name, client.ip))
except Exception as ex:
logger.error(
'Connectivity check failed, assuming host {0} is halted. {1}'
.format(pmachine.name, ex))
host_status = 'HALTED'
if host_status != 'RUNNING':
# Host is stopped
storagedriver_client = StorageDriverClient.load(
storagedriver.vpool)
storagedriver_client.mark_node_offline(
str(storagedriver.storagedriver_id))
def rename_from_voldrv(volumename, volume_old_path, volume_new_path, storagedriver_id):
"""
Rename a disk
Triggered by volumedriver messages
@param volumename: volume id of the disk
@param volume_old_path: old path on hypervisor to the volume
@param volume_new_path: new path on hypervisor to the volume
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
hypervisor = Factory.get(pmachine)
volume_old_path = hypervisor.clean_backing_disk_filename(volume_old_path)
volume_new_path = hypervisor.clean_backing_disk_filename(volume_new_path)
disk = VDiskList.get_vdisk_by_volume_id(volumename)
if disk:
logger.info("Move disk {} from {} to {}".format(disk.name, volume_old_path, volume_new_path))
disk.devicename = volume_new_path
disk.save()
def delete_from_voldrv(volumename, storagedriver_id):
"""
Delete a disk
Triggered by volumedriver messages on the queue
@param volumename: volume id of the disk
"""
_ = storagedriver_id # For logging purposes
disk = VDiskList.get_vdisk_by_volume_id(volumename)
if disk is not None:
mutex = VolatileMutex('{}_{}'.format(volumename, disk.devicename))
try:
mutex.acquire(wait=20)
pmachine = None
try:
pmachine = PMachineList.get_by_storagedriver_id(
disk.storagedriver_id)
except RuntimeError as ex:
if 'could not be found' not in str(ex):
raise
# else: pmachine can't be loaded, because the volumedriver doesn't know about it anymore
if pmachine is not None:
limit = 5
storagedriver = StorageDriverList.get_by_storagedriver_id(
storagedriver_id)
hypervisor = Factory.get(pmachine)
exists = hypervisor.file_exists(storagedriver,
disk.devicename)
while limit > 0 and exists is True:
time.sleep(1)
exists = hypervisor.file_exists(
storagedriver, disk.devicename)
limit -= 1
if exists is True:
logger.info(
'Disk {0} still exists, ignoring delete'.format(
disk.devicename))
return
logger.info('Delete disk {}'.format(disk.name))
for mds_service in disk.mds_services:
mds_service.delete()
disk.delete()
finally:
mutex.release()
def rename_from_voldrv(old_name, new_name, storagedriver_id):
"""
This machine will handle the rename of a vmx file
:param old_name: Old name of vmx
:param new_name: New name for the vmx
:param storagedriver_id: Storage Driver hosting the vmachine
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
if pmachine.hvtype not in ['VMWARE', 'KVM']:
return
hypervisor = Factory.get(pmachine)
if pmachine.hvtype == 'VMWARE':
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
vpool = storagedriver.vpool
else:
vpool = None
old_name = hypervisor.clean_vmachine_filename(old_name)
new_name = hypervisor.clean_vmachine_filename(new_name)
scenario = hypervisor.get_rename_scenario(old_name, new_name)
if scenario == 'RENAME':
# Most likely a change from path. Updating path
vm = VMachineList.get_by_devicename_and_vpool(old_name, vpool)
if vm is not None:
vm.devicename = new_name
vm.save()
elif scenario == 'UPDATE':
vm = VMachineList.get_by_devicename_and_vpool(new_name, vpool)
if vm is None:
# The vMachine doesn't seem to exist, so it's likely the create didn't came trough
# Let's create it anyway
VMachineController.update_from_voldrv(new_name, storagedriver_id=storagedriver_id)
vm = VMachineList.get_by_devicename_and_vpool(new_name, vpool)
if vm is None:
raise RuntimeError('Could not create vMachine on rename. Aborting.')
try:
VMachineController.sync_with_hypervisor(vm.guid, storagedriver_id=storagedriver_id)
vm.status = 'SYNC'
except:
vm.status = 'SYNC_NOK'
vm.save()
def sync_with_hypervisor(vmachineguid, storagedriver_id=None):
"""
Updates a given vmachine with data retreived from a given pmachine
"""
try:
vmachine = VMachine(vmachineguid)
if storagedriver_id is None and vmachine.hypervisor_id is not None and vmachine.pmachine is not None:
# Only the vmachine was received, so base the sync on hypervisorid and pmachine
hypervisor = Factory.get(vmachine.pmachine)
logger.info('Syncing vMachine (name {})'.format(vmachine.name))
vm_object = hypervisor.get_vm_agnostic_object(vmid=vmachine.hypervisor_id)
elif storagedriver_id is not None and vmachine.devicename is not None:
# Storage Driver id was given, using the devicename instead (to allow hypervisorid 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(vmachine.vpool, hypervisor.clean_vmachine_filename(vmachine.devicename)):
return
vmachine.pmachine = pmachine
vmachine.save()
logger.info('Syncing vMachine (device {}, ip {}, mtpt {})'.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)
else:
message = 'Not enough information to sync vmachine'
logger.info('Error: {0}'.format(message))
raise RuntimeError(message)
except Exception as ex:
logger.info('Error while fetching vMachine info: {0}'.format(str(ex)))
raise
if vm_object is None:
message = 'Could not retreive hypervisor vmachine object'
logger.info('Error: {0}'.format(message))
raise RuntimeError(message)
else:
VMachineController.update_vmachine_config(vmachine, vm_object)
def update_status(storagedriver_id):
"""
Sets Storage Driver offline in case hypervisor management Center
reports the hypervisor pmachine related to this Storage Driver
as unavailable.
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
if pmachine.mgmtcenter:
# Update status
pmachine.invalidate_dynamics(['host_status'])
host_status = pmachine.host_status
if host_status != 'RUNNING':
# Host is stopped
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
storagedriver_client = StorageDriverClient().load(storagedriver.vpool)
storagedriver_client.mark_node_offline(str(storagedriver.storagedriver_id))
else:
# No management Center, cannot update status via api
#TODO: should we try manually (ping, ssh)?
pass
def delete_from_voldrv(name, storagedriver_id):
"""
This method will delete a vmachine based on the name of the vmx given
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
if pmachine.hvtype not in ['VMWARE', 'KVM']:
return
hypervisor = Factory.get(pmachine)
name = hypervisor.clean_vmachine_filename(name)
if pmachine.hvtype == 'VMWARE':
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
vpool = storagedriver.vpool
else:
vpool = None
vm = VMachineList.get_by_devicename_and_vpool(name, vpool)
if vm is not None:
MessageController.fire(MessageController.Type.EVENT, {'type': 'vmachine_deleted',
'metadata': {'name': vm.name}})
vm.delete(abandon=['vdisks'])
def rename_from_voldrv(volumename, volume_old_path, volume_new_path,
storagedriver_id):
"""
Rename a disk
Triggered by volumedriver messages
@param volumename: volume id of the disk
@param volume_old_path: old path on hypervisor to the volume
@param volume_new_path: new path on hypervisor to the volume
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
hypervisor = Factory.get(pmachine)
volume_old_path = hypervisor.clean_backing_disk_filename(
volume_old_path)
volume_new_path = hypervisor.clean_backing_disk_filename(
volume_new_path)
disk = VDiskList.get_vdisk_by_volume_id(volumename)
if disk:
logger.info('Move disk {} from {} to {}'.format(
disk.name, volume_old_path, volume_new_path))
disk.devicename = volume_new_path
disk.save()
def update_status(storagedriver_id):
"""
Sets Storage Driver offline in case hypervisor management Center
reports the hypervisor pmachine related to this Storage Driver
as unavailable.
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
if pmachine.mgmtcenter:
# Update status
pmachine.invalidate_dynamics(['host_status'])
host_status = pmachine.host_status
if host_status != 'RUNNING':
# Host is stopped
storagedriver = StorageDriverList.get_by_storagedriver_id(
storagedriver_id)
storagedriver_client = StorageDriverClient.load(
storagedriver.vpool)
storagedriver_client.mark_node_offline(
str(storagedriver.storagedriver_id))
else:
# No management Center, cannot update status via api
# @TODO: should we try manually (ping, ssh)?
pass
def update_status(storagedriver_id):
"""
Sets Storage Driver offline in case hypervisor management Center
reports the hypervisor pmachine related to this Storage Driver
as unavailable.
:param storagedriver_id: ID of the storagedriver to update its status
:type storagedriver_id: str
:return: None
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
storagedriver = StorageDriverList.get_by_storagedriver_id(
storagedriver_id)
storagerouter = storagedriver.storagerouter
if pmachine.mgmtcenter:
# Update status
pmachine.invalidate_dynamics(['host_status'])
host_status = pmachine.host_status
else:
# No management Center, cannot update status via api
StorageDriverController._logger.info(
'Updating status of pmachine {0} using SSHClient'.format(
pmachine.name))
path = StorageDriverConfiguration(
'storagedriver', storagedriver.vpool.guid,
storagedriver.storagedriver_id).remote_path
host_status = 'RUNNING'
try:
client = SSHClient(storagerouter, username='******')
StorageDriverController._logger.info(
'SSHClient connected successfully to {0} at {1}'.format(
pmachine.name, client.ip))
except UnableToConnectException as ex:
StorageDriverController._logger.error(
'SSHClient connectivity check failed, assuming host {0} is halted. {1}'
.format(pmachine.name, ex))
host_status = 'HALTED'
else:
try:
with remote(client.ip, [LocalStorageRouterClient]) as rem:
lsrc = rem.LocalStorageRouterClient(path)
lsrc.server_revision()
StorageDriverController._logger.info(
'LocalStorageRouterClient connected successfully to {0} at {1}'
.format(pmachine.name, client.ip))
except (EOFError, RuntimeError,
ClusterNotReachableException) as ex:
StorageDriverController._logger.error(
'LocalStorageRouterClient check failed, assuming volumedriver on host {0} {1} is halted. {2}'
.format(pmachine.name, client.ip, ex))
host_status = 'HALTED'
if host_status != 'RUNNING':
# Host is stopped
storagedriver_client = StorageDriverClient.load(
storagedriver.vpool)
storagedriver_client.mark_node_offline(
str(storagedriver.storagedriver_id))
StorageDriverController._logger.warning(
'Storagedriver {0} marked offline'.format(
storagedriver.storagedriver_id))
def list(self):
"""
Overview of all pMachines
"""
return PMachineList.get_pmachines()
def update_from_voldrv(name, storagedriver_id):
"""
This method will update/create a vmachine based on a given vmx/xml file
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
if pmachine.hvtype not in ['VMWARE', 'KVM']:
return
hypervisor = Factory.get(pmachine)
name = hypervisor.clean_vmachine_filename(name)
storagedriver = StorageDriverList.get_by_storagedriver_id(
storagedriver_id)
vpool = storagedriver.vpool
machine_ids = [
storagedriver.storagerouter.machine_id
for storagedriver in vpool.storagedrivers
]
if hypervisor.should_process(name, machine_ids=machine_ids):
if pmachine.hvtype == 'VMWARE':
storagedriver = StorageDriverList.get_by_storagedriver_id(
storagedriver_id)
vpool = storagedriver.vpool
else:
vpool = None
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
mutex = VolatileMutex('{}_{}'.format(
name, vpool.guid if vpool is not None else 'none'))
try:
mutex.acquire(wait=120)
limit = 5
exists = hypervisor.file_exists(storagedriver, name)
while limit > 0 and exists is False:
time.sleep(1)
exists = hypervisor.file_exists(storagedriver, name)
limit -= 1
if exists is False:
logger.info(
'Could not locate vmachine with name {0} on vpool {1}'.
format(name, vpool.name))
vmachine = VMachineList.get_by_devicename_and_vpool(
name, vpool)
if vmachine is not None:
VMachineController.delete_from_voldrv(
name, storagedriver_id=storagedriver_id)
return
finally:
mutex.release()
try:
mutex.acquire(wait=5)
vmachine = VMachineList.get_by_devicename_and_vpool(
name, vpool)
if not vmachine:
vmachine = VMachine()
vmachine.vpool = vpool
vmachine.pmachine = pmachine
vmachine.status = 'CREATED'
vmachine.devicename = name
vmachine.save()
finally:
mutex.release()
if pmachine.hvtype == 'KVM':
try:
VMachineController.sync_with_hypervisor(
vmachine.guid, storagedriver_id=storagedriver_id)
vmachine.status = 'SYNC'
except:
vmachine.status = 'SYNC_NOK'
vmachine.save()
else:
logger.info('Ignored invalid file {0}'.format(name))
def get_all_ips():
"""
Retrieve all IPs for all Physical Machines
:return: List of IPs
"""
return [str(pmachine.ip) for pmachine in PMachineList.get_pmachines()]
def list(self):
"""
Overview of all pMachines
"""
return PMachineList.get_pmachines()
def get_pmachines():
"""
Retrieve all Physical Machines
:return: Data-object list of Physical Machines
"""
return PMachineList.get_pmachines()
def _bootstrap_dal_models(self):
"""
Load/hook dal models as snmp oids
"""
_guids = set()
enabled_key = "{0}_config_dal_enabled".format(STORAGE_PREFIX)
self.instance_oid = 0
try:
enabled = self.persistent.get(enabled_key)
except KeyNotFoundException:
enabled = True # Enabled by default, can be disabled by setting the key
if enabled:
from ovs.dal.lists.vdisklist import VDiskList
from ovs.dal.lists.storagerouterlist import StorageRouterList
from ovs.dal.lists.pmachinelist import PMachineList
from ovs.dal.lists.vmachinelist import VMachineList
from ovs.dal.lists.vpoollist import VPoolList
from ovs.dal.lists.storagedriverlist import StorageDriverList
for storagerouter in StorageRouterList.get_storagerouters():
_guids.add(storagerouter.guid)
if not self._check_added(storagerouter):
self._register_dal_model(10, storagerouter, 'guid', "0")
self._register_dal_model(10, storagerouter, 'name', "1")
self._register_dal_model(10, storagerouter, 'pmachine', "3", key = 'host_status')
self._register_dal_model(10, storagerouter, 'description', "4")
self._register_dal_model(10, storagerouter, 'devicename', "5")
self._register_dal_model(10, storagerouter, 'dtl_mode', "6")
self._register_dal_model(10, storagerouter, 'ip', "8")
self._register_dal_model(10, storagerouter, 'machineid', "9")
self._register_dal_model(10, storagerouter, 'status', "10")
self._register_dal_model(10, storagerouter, '#vdisks', "11",
func = lambda storagerouter: len([vdisk for vpool_vdisks in [storagedriver.vpool.vdisks for storagedriver in storagerouter.storagedrivers] for vdisk in vpool_vdisks if vdisk.storagedriver_id == storagedriver.storagedriver_id]),
atype = int)
self._register_dal_model(10, storagerouter, '#vmachines', "12",
func = lambda storagerouter: len(set([vdisk.vmachine.guid for vpool_vdisks in [storagedriver.vpool.vdisks for storagedriver in storagerouter.storagedrivers] for vdisk in vpool_vdisks if vdisk.storagedriver_id == storagedriver.storagedriver_id])),
atype = int)
self._register_dal_model(10, storagerouter, '#stored_data', "13",
func = lambda storagerouter: sum([vdisk.vmachine.stored_data for vpool_vdisks in [storagedriver.vpool.vdisks for storagedriver in storagerouter.storagedrivers] for vdisk in vpool_vdisks if vdisk.storagedriver_id == storagedriver.storagedriver_id]),
atype = int)
self.instance_oid += 1
for vm in VMachineList.get_vmachines():
_guids.add(vm.guid)
if not self._check_added(vm):
if vm.is_vtemplate:
self._register_dal_model(11, vm, 'guid', "0")
self._register_dal_model(11, vm, 'name', "1")
def _children(vmt):
children = 0
disks = [vd.guid for vd in vmt.vdisks]
for vdisk in [vdisk.parent_vdisk_guid for item in [vm.vdisks for vm in VMachineList.get_vmachines() if not vm.is_vtemplate] for vdisk in item]:
for disk in disks:
if vdisk == disk:
children += 1
return children
self._register_dal_model(11, vm, '#children', 2, func = _children, atype = int)
self.instance_oid += 1
for vm in VMachineList.get_vmachines():
_guids.add(vm.guid)
if not self._check_added(vm):
if not vm.is_vtemplate:
self._register_dal_model(0, vm, 'guid', "0")
self._register_dal_model(0, vm, 'name', "1")
self._register_dal_model(0, vm, 'statistics', "2.0", key = "operations", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.1", key = "cluster_cache_misses_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.2", key = "data_read", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.3", key = "sco_cache_misses", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.4", key = "sco_cache_hits_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.5", key = "sco_cache_hits", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.6", key = "write_operations", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.7", key = "cluster_cache_misses", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.8", key = "read_operations_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.9", key = "sco_cache_misses_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.10", key = "backend_write_operations", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.11", key = "backend_data_read", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.12", key = "cache_hits", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.13", key = "backend_write_operations_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.14", key = "metadata_store_hits_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.15", key = "metadata_store_misses", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.16", key = "backend_data_written", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.17", key = "data_read_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.18", key = "read_operations", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.19", key = "cluster_cache_hits", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.20", key = "data_written_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.21", key = "cluster_cache_hits_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.22", key = "cache_hits_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.23", key = "timestamp", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.24", key = "metadata_store_misses_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.25", key = "backend_data_written_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.26", key = "backend_read_operations", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.27", key = "data_written", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.28", key = "metadata_store_hits", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.29", key = "backend_data_read_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.30", key = "operations_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.31", key = "backend_read_operations_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.32", key = "data_transferred_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.33", key = "write_operations_ps", atype = int)
self._register_dal_model(0, vm, 'statistics', "2.34", key = "data_transferred", atype = int)
self._register_dal_model(0, vm, 'stored_data', "3", atype = int)
self._register_dal_model(0, vm, 'description', "4")
self._register_dal_model(0, vm, 'devicename', "5")
self._register_dal_model(0, vm, 'dtl_mode', "6")
self._register_dal_model(0, vm, 'hypervisorid', "7")
self._register_dal_model(0, vm, 'ip', "8")
self._register_dal_model(0, vm, 'status', "10")
self._register_dal_model(0, vm, 'stored_data', "10", atype = int)
self._register_dal_model(0, vm, 'snapshots', "11", atype = int)
self._register_dal_model(0, vm, 'vdisks', "12", atype = int)
self._register_dal_model(0, vm, 'DTL', '13',
func = lambda vm: 'DEGRADED' if all(item == 'DEGRADED' for item in [vd.info['failover_mode'] for vd in vm.vdisks]) else 'OK')
self.instance_oid += 1
for vd in VDiskList.get_vdisks():
_guids.add(vd.guid)
if not self._check_added(vd):
self._register_dal_model(1, vd, 'guid', "0")
self._register_dal_model(1, vd, 'name', "1")
self._register_dal_model(1, vd, 'statistics', "2.0", key = "operations", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.1", key = "data_written_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.2", key = "data_read", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.3", key = "sco_cache_misses", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.4", key = "sco_cache_hits_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.5", key = "sco_cache_hits", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.6", key = "write_operations", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.7", key = "cluster_cache_misses", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.8", key = "read_operations_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.9", key = "sco_cache_misses_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.10", key = "backend_write_operations", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.11", key = "backend_data_read", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.12", key = "cache_hits", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.13", key = "backend_write_operations_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.14", key = "metadata_store_hits_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.15", key = "metadata_store_misses", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.16", key = "backend_data_written", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.17", key = "data_read_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.18", key = "read_operations", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.19", key = "cluster_cache_hits", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.20", key = "cluster_cache_misses_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.21", key = "cluster_cache_hits_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.22", key = "cache_hits_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.23", key = "timestamp", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.24", key = "metadata_store_misses_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.25", key = "backend_data_written_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.26", key = "backend_read_operations", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.27", key = "data_written", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.28", key = "metadata_store_hits", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.29", key = "backend_data_read_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.30", key = "operations_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.31", key = "backend_read_operations_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.32", key = "data_transferred_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.33", key = "write_operations_ps", atype = int)
self._register_dal_model(1, vd, 'statistics', "2.34", key = "data_transferred", atype = int)
self._register_dal_model(1, vd, 'info', "3", key = 'stored', atype = int)
self._register_dal_model(1, vd, 'info', "4", key = 'failover_mode', atype = int)
self._register_dal_model(1, vd, 'snapshots', "5", atype = int)
self.instance_oid += 1
for pm in PMachineList.get_pmachines():
_guids.add(pm.guid)
if not self._check_added(pm):
self._register_dal_model(2, pm, 'guid', "0")
self._register_dal_model(2, pm, 'name', "1")
self._register_dal_model(2, pm, 'host_status', "2")
self.instance_oid += 1
for vp in VPoolList.get_vpools():
_guids.add(vp.guid)
if not self._check_added(vp):
self._register_dal_model(3, vp, 'guid', "0")
self._register_dal_model(3, vp, 'name', "1")
self._register_dal_model(3, vp, 'statistics', "2.0", key = "operations", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.1", key = "cluster_cache_misses_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.2", key = "data_read", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.3", key = "sco_cache_misses", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.4", key = "sco_cache_hits_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.5", key = "sco_cache_hits", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.6", key = "write_operations", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.7", key = "cluster_cache_misses", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.8", key = "read_operations_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.9", key = "sco_cache_misses_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.10", key = "backend_write_operations", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.11", key = "backend_data_read", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.12", key = "cache_hits", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.13", key = "backend_write_operations_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.14", key = "metadata_store_hits_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.15", key = "metadata_store_misses", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.16", key = "backend_data_written", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.17", key = "data_read_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.18", key = "read_operations", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.19", key = "cluster_cache_hits", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.20", key = "data_written_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.21", key = "cluster_cache_hits_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.22", key = "cache_hits_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.23", key = "timestamp", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.24", key = "metadata_store_misses_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.25", key = "backend_data_written_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.26", key = "backend_read_operations", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.27", key = "data_written", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.28", key = "metadata_store_hits", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.29", key = "backend_data_read_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.30", key = "operations_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.31", key = "backend_read_operations_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.32", key = "data_transferred_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.33", key = "write_operations_ps", atype = int)
self._register_dal_model(3, vp, 'statistics', "2.34", key = "data_transferred", atype = int)
self._register_dal_model(3, vp, 'status', "3")
self._register_dal_model(3, vp, 'description', "4")
self._register_dal_model(3, vp, 'vdisks', "5", atype = int)
self._register_dal_model(3, vp, '#vmachines', "6",
func = lambda vp: len(set([vd.vmachine.guid for vd in vp.vdisks])),
atype = int)
self.instance_oid += 1
for storagedriver in StorageDriverList.get_storagedrivers():
_guids.add(storagedriver.guid)
if not self._check_added(storagedriver):
self._register_dal_model(4, storagedriver, 'guid', "0")
self._register_dal_model(4, storagedriver, 'name', "1")
self._register_dal_model(4, storagedriver, 'stored_data', "2", atype = int)
self.instance_oid += 1
try:
# try to load OVS Backends
from ovs.dal.lists.albabackendlist import AlbaBackendList
for backend in AlbaBackendList.get_albabackends():
_guids.add(backend.guid)
if not self._check_added(backend):
self._register_dal_model(5, backend, 'guid', 0)
self._register_dal_model(5, backend, 'name', 1)
for disk_id in range(len((backend.all_disks))):
self._register_dal_model(5, backend, 'all_disks', '2.{0}.0'.format(disk_id), key = "name", index=disk_id)
self._register_dal_model(5, backend, 'all_disks', '2.{0}.1'.format(disk_id), key = "usage.size", atype = long, index=disk_id)
self._register_dal_model(5, backend, 'all_disks', '2.{0}.2'.format(disk_id), key = "usage.used", atype = long, index=disk_id)
self._register_dal_model(5, backend, 'all_disks', '2.{0}.3'.format(disk_id), key = "usage.available", atype = long, index=disk_id)
self._register_dal_model(5, backend, 'all_disks', '2.{0}.4'.format(disk_id), key = "state.state", index=disk_id)
self._register_dal_model(5, backend, 'all_disks', '2.{0}.5'.format(disk_id), key = "node_id", index=disk_id)
self.instance_oid += 1
except ImportError:
print('OVS Backend not present')
pass
reload = False
for object_guid in list(self.model_oids):
if object_guid not in _guids:
self.model_oids.remove(object_guid)
reload = True
if reload:
self._reload_snmp()
def update_from_voldrv(name, storagedriver_id):
"""
This method will update/create a vmachine based on a given vmx/xml file
:param name: Name of the vmx
:param storagedriver_id: Storage Driver hosting the vmachine
"""
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
if pmachine.hvtype not in ['VMWARE', 'KVM']:
return
hypervisor = Factory.get(pmachine)
name = hypervisor.clean_vmachine_filename(name)
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
vpool = storagedriver.vpool
machine_ids = [storagedriver.storagerouter.machine_id for storagedriver in vpool.storagedrivers]
if hypervisor.should_process(name, machine_ids=machine_ids):
if pmachine.hvtype == 'VMWARE':
storagedriver = StorageDriverList.get_by_storagedriver_id(storagedriver_id)
vpool = storagedriver.vpool
else:
vpool = None
pmachine = PMachineList.get_by_storagedriver_id(storagedriver_id)
mutex = volatile_mutex('{0}_{1}'.format(name, vpool.guid if vpool is not None else 'none'))
try:
mutex.acquire(wait=120)
limit = 5
exists = hypervisor.file_exists(storagedriver, name)
while limit > 0 and exists is False:
time.sleep(1)
exists = hypervisor.file_exists(storagedriver, name)
limit -= 1
if exists is False:
VMachineController._logger.info('Could not locate vmachine with name {0} on vpool {1}'.format(name, vpool.name))
vmachine = VMachineList.get_by_devicename_and_vpool(name, vpool)
if vmachine is not None:
VMachineController.delete_from_voldrv(name, storagedriver_id=storagedriver_id)
return
finally:
mutex.release()
try:
mutex.acquire(wait=5)
vmachine = VMachineList.get_by_devicename_and_vpool(name, vpool)
if not vmachine:
vmachines = VMachineList.get_vmachine_by_name(name)
if vmachines is not None:
vmachine = vmachines[0]
if not vmachine:
vmachine = VMachine()
vmachine.vpool = vpool
vmachine.pmachine = pmachine
vmachine.status = 'CREATED'
vmachine.devicename = name
vmachine.save()
finally:
mutex.release()
if pmachine.hvtype == 'KVM':
try:
mutex.acquire(wait=120)
VMachineController.sync_with_hypervisor(vmachine.guid, storagedriver_id=storagedriver_id)
vmachine.status = 'SYNC'
except:
vmachine.status = 'SYNC_NOK'
finally:
mutex.release()
vmachine.save()
else:
VMachineController._logger.info('Ignored invalid file {0}'.format(name))
