def setRpFilterIfNeeded(netIfaceName, hostname, loose_mode):
"""
Set rp_filter to loose or strict mode if there's no session using the
netIfaceName device and it's not the device used by the OS to reach the
'hostname'.
loose mode is needed to allow multiple iSCSI connections in a multiple NIC
per subnet configuration. strict mode is needed to avoid the security
breach where an untrusted VM can DoS the host by sending it packets with
spoofed random sources.
Arguments:
netIfaceName: the device used by the iSCSI session
target: iSCSI target object cointaining the portal hostname
loose_mode: boolean
"""
if netIfaceName is None:
log.info("iSCSI iface.net_ifacename not provided. Skipping.")
return
sessions = _sessionsUsingNetiface(netIfaceName)
if not any(sessions) and netIfaceName != getRouteDeviceTo(hostname):
if loose_mode:
log.info("Setting loose mode rp_filter for device %r." %
netIfaceName)
supervdsm.getProxy().set_rp_filter_loose(netIfaceName)
else:
log.info("Setting strict mode rp_filter for device %r." %
netIfaceName)
supervdsm.getProxy().set_rp_filter_strict(netIfaceName)
def setRpFilterIfNeeded(netIfaceName, hostname, loose_mode):
"""
Set rp_filter to loose or strict mode if there's no session using the
netIfaceName device and it's not the device used by the OS to reach the
'hostname'.
loose mode is needed to allow multiple iSCSI connections in a multiple NIC
per subnet configuration. strict mode is needed to avoid the security
breach where an untrusted VM can DoS the host by sending it packets with
spoofed random sources.
Arguments:
netIfaceName: the device used by the iSCSI session
target: iSCSI target object cointaining the portal hostname
loose_mode: boolean
"""
if netIfaceName is None:
log.info("iSCSI iface.net_ifacename not provided. Skipping.")
return
sessions = _sessionsUsingNetiface(netIfaceName)
if not any(sessions) and netIfaceName != getRouteDeviceTo(hostname):
if loose_mode:
log.info("Setting loose mode rp_filter for device %r." %
netIfaceName)
supervdsm.getProxy().set_rp_filter_loose(netIfaceName)
else:
log.info("Setting strict mode rp_filter for device %r." %
netIfaceName)
supervdsm.getProxy().set_rp_filter_strict(netIfaceName)
def addNetwork(self, bridge, vlan=None, bond=None, nics=None, options={}):
"""Add a new network to this vds.
Network topology is bridge--[vlan--][bond--]nics.
vlan(number) and bond are optional - pass the empty string to discard
them. """
self._translateOptionsToNew(options)
if not self._cif._networkSemaphore.acquire(blocking=False):
self.log.warn('concurrent network verb already executing')
return errCode['unavail']
try:
self._cif._netConfigDirty = True
if vlan:
options['vlan'] = vlan
if bond:
options['bonding'] = bond
if nics:
options['nics'] = list(nics)
try:
supervdsm.getProxy().addNetwork(bridge, options)
except configNetwork.ConfigNetworkError, e:
self.log.error(e.message, exc_info=True)
return {'status': {'code': e.errCode, 'message': e.message}}
return {'status': doneCode}
def delNetwork(self, bridge, vlan=None, bond=None, nics=None, options={}):
"""Delete a network from this vds."""
self._translateOptionsToNew(options)
try:
if not self._cif._networkSemaphore.acquire(blocking=False):
self.log.warn('concurrent network verb already executing')
return errCode['unavail']
if vlan or bond or nics:
# Backwards compatibility
self.log.warn('Specifying vlan, bond or nics to delNetwork is deprecated')
_netinfo = netinfo.NetInfo()
try:
if bond:
configNetwork.validateBondingName(bond)
if vlan:
configNetwork.validateVlanId(vlan)
if nics and bond and set(nics) != set(_netinfo.bondings[bond]["slaves"]):
self.log.error('delNetwork: not all nics specified are enslaved (%s != %s)'
% (nics, _netinfo.bondings[bond]["slaves"])
)
raise configNetwork.ConfigNetworkError(configNetwork.ne.ERR_BAD_NIC, "not all nics are enslaved")
except configNetwork.ConfigNetworkError, e:
self.log.error(e.message, exc_info=True)
return {'status': {'code': e.errCode, 'message': e.message}}
self._cif._netConfigDirty = True
try:
supervdsm.getProxy().delNetwork(bridge, options)
except configNetwork.ConfigNetworkError, e:
self.log.error(e.message, exc_info=True)
return {'status': {'code': e.errCode, 'message': e.message}}
def reattach_detachable(device_name):
libvirt_device, device_params = _get_device_ref_and_params(device_name)
if CAPABILITY_TO_XML_ATTR[device_params['capability']] == 'pci':
iommu_group = device_params['iommu_group']
supervdsm.getProxy().rmAppropriateIommuGroup(iommu_group)
libvirt_device.reAttach()
def reattach_detachable(device_name):
libvirt_device, device_params = _get_device_ref_and_params(device_name)
iommu_group = device_params['iommu_group']
if CAPABILITY_TO_XML_ATTR[device_params['capability']] == 'pci':
supervdsm.getProxy().rmAppropriateIommuGroup(iommu_group)
libvirt_device.reAttach()
def detach_detachable(device_name):
libvirt_device, device_params = _get_device_ref_and_params(device_name)
if CAPABILITY_TO_XML_ATTR[device_params['capability']] == 'pci':
iommu_group = device_params['iommu_group']
supervdsm.getProxy().appropriateIommuGroup(iommu_group)
libvirt_device.detachFlags(None)
return device_params
def reattach_detachable(device_name):
libvirt_device, device_params = _get_device_ref_and_params(device_name)
if CAPABILITY_TO_XML_ATTR[device_params['capability']] == 'pci':
try:
iommu_group = device_params['iommu_group']
except KeyError:
raise NoIOMMUSupportException
supervdsm.getProxy().rmAppropriateIommuGroup(iommu_group)
libvirt_device.reAttach()
def detach_detachable(device_name):
libvirt_device, device_params = _get_device_ref_and_params(device_name)
iommu_group = device_params['iommu_group']
if CAPABILITY_TO_XML_ATTR[device_params['capability']] == 'pci':
supervdsm.getProxy().appropriateIommuGroup(iommu_group)
libvirt_device.detachFlags(None)
return device_params
def setSafeNetworkConfig(self):
"""Declare current network configuration as 'safe'"""
if not self._cif._networkSemaphore.acquire(blocking=False):
self.log.warn('concurrent network verb already executing')
return errCode['unavail']
try:
self._cif._netConfigDirty = False
supervdsm.getProxy().setSafeNetworkConfig()
return {'status': doneCode}
finally:
self._cif._networkSemaphore.release()
def rescan():
"""
Rescan HBAs discovering new devices.
"""
log.debug("Starting scan")
try:
supervdsm.getProxy().hbaRescan()
except Error as e:
log.error("Scan failed: %s", e)
else:
log.debug("Scan finished")
def reattach_detachable(device_name):
libvirt_device, device_params = _get_device_ref_and_params(device_name)
iommu_group = device_params['iommu_group']
if device_params['capability'] in _UDEV_REQUIRING_CAPS:
supervdsm.getProxy().rmAppropriateIommuGroup(iommu_group)
supervdsm.getProxy().udevTrigger(iommu_group)
if device_params['capability'] in _DETACH_REQUIRING_CAPS:
libvirt_device.reAttach()
def detach_detachable(device_name):
libvirt_device, device_params = _get_device_ref_and_params(device_name)
if CAPABILITY_TO_XML_ATTR[device_params['capability']] == 'pci':
try:
iommu_group = device_params['iommu_group']
except KeyError:
raise NoIOMMUSupportException('hostdev passthrough without iommu')
supervdsm.getProxy().appropriateIommuGroup(iommu_group)
libvirt_device.detachFlags(None)
return device_params
def validateDirAccess(dirPath):
try:
getProcPool().fileUtils.validateAccess(dirPath)
supervdsm.getProxy().validateAccess(
constants.QEMU_PROCESS_USER,
(constants.DISKIMAGE_GROUP, constants.METADATA_GROUP), dirPath,
(os.R_OK | os.X_OK))
except OSError as e:
if e.errno == errno.EACCES:
raise se.StorageServerAccessPermissionError(dirPath)
raise
return True
def validateDirAccess(dirPath):
try:
getProcPool().fileUtils.validateAccess(dirPath)
supervdsm.getProxy().validateAccess(
constants.QEMU_PROCESS_USER,
(constants.DISKIMAGE_GROUP, constants.METADATA_GROUP), dirPath,
(os.R_OK | os.X_OK))
except OSError as e:
if e.errno == errno.EACCES:
raise se.StorageServerAccessPermissionError(dirPath)
raise
return True
def rescan():
"""
Forces multipath daemon to rescan the list of available devices and
refresh the mapping table. New devices can be found under /dev/mapper
Should only be called from hsm._rescanDevices()
"""
# First rescan iSCSI and FCP connections
iscsi.rescan()
supervdsm.getProxy().hbaRescan()
# Now let multipath daemon pick up new devices
misc.execCmd([constants.EXT_MULTIPATH], sudo=True)
def rescan():
"""
Forces multiupath daemon to rescan the list of available devices and
refresh the mapping table. New devices can be found under /dev/mapper
Should only be called from hsm._rescanDevices()
"""
# First ask iSCSI to rescan all its sessions
iscsi.rescan()
supervdsm.getProxy().forceIScsiScan()
# Now let multipath daemon pick up new devices
misc.execCmd([constants.EXT_MULTIPATH])
def rescan():
"""
Forces multiupath daemon to rescan the list of available devices and
refresh the mapping table. New devices can be found under /dev/mapper
Should only be called from hsm._rescanDevices()
"""
# First ask iSCSI to rescan all its sessions
iscsi.rescan()
supervdsm.getProxy().forceIScsiScan()
# Now let multipath daemon pick up new devices
misc.execCmd([constants.EXT_MULTIPATH])
def reattach_detachable(device_name):
libvirt_device, device_params = _get_device_ref_and_params(device_name)
capability = CAPABILITY_TO_XML_ATTR[device_params['capability']]
if capability == 'pci':
try:
iommu_group = device_params['iommu_group']
except KeyError:
raise NoIOMMUSupportException
supervdsm.getProxy().rmAppropriateIommuGroup(iommu_group)
libvirt_device.reAttach()
elif capability == 'usb':
supervdsm.getProxy().rmAppropriateUSBDevice(
device_params['address']['bus'],
device_params['address']['device'])
def main():
setup_nets_config = hooking.read_json()
in_rollback = setup_nets_config['request']['options'].get('_inRollback')
if in_rollback:
log('Configuration failed with _inRollback=True.')
else:
log('Configuration failed. At this point, non-OVS rollback should be '
'done. Executing OVS rollback.')
supervdsm.getProxy().setupNetworks({}, {}, {
'connectivityCheck': False,
'_inRollback': True,
'_inOVSRollback': True
})
def setupNetworks(self, networks={}, bondings={}, options={}):
"""Add a new network to this vds, replacing an old one."""
self._translateOptionsToNew(options)
if not self._cif._networkSemaphore.acquire(blocking=False):
self.log.warn('concurrent network verb already executing')
return errCode['unavail']
try:
self._cif._netConfigDirty = True
try:
supervdsm.getProxy().setupNetworks(networks, bondings, options)
except configNetwork.ConfigNetworkError, e:
self.log.error(e.message, exc_info=True)
return {'status': {'code': e.errCode, 'message': e.message}}
return {'status': doneCode}
def doUnmountMaster(cls, masterdir):
"""
Unmount the master metadata file system. Should be called only by SPM.
"""
# fuser processes holding mount point and validate that the umount
# succeeded
cls.__handleStuckUmount(masterdir)
try:
masterMount = mount.getMountFromTarget(masterdir)
except OSError as ex:
if ex.errno == errno.ENOENT:
return
raise
if masterMount.isMounted():
# Try umount, take 1
try:
masterMount.umount()
except mount.MountError:
# umount failed, try to kill that processes holding mount point
svdsmp = svdsm.getProxy()
pids = svdsmp.fuser(masterMount.fs_file, mountPoint=True)
# It was unmounted while I was checking no need to do anything
if not masterMount.isMounted():
return
if len(pids) == 0:
cls.log.warn("Unmount failed because of errors that fuser "
"can't solve")
else:
for pid in pids:
try:
cls.log.debug("Trying to kill pid %d", pid)
os.kill(pid, signal.SIGKILL)
except OSError as e:
if e.errno == errno.ESRCH: # No such process
pass
elif e.errno == errno.EPERM: # Op. not permitted
cls.log.warn("Could not kill pid %d because "
"operation was not permitted",
pid)
else:
cls.log.warn("Could not kill pid %d because an"
" unexpected error",
exc_info=True)
except:
cls.log.warn("Could not kill pid %d because an "
"unexpected error", exc_info=True)
# Try umount, take 2
try:
masterMount.umount()
except mount.MountError:
pass
if masterMount.isMounted():
# We failed to umount masterFS
# Forcibly rebooting the SPM host would be safer. ???
raise se.StorageDomainMasterUnmountError(masterdir, 1)
def doUnmountMaster(cls, masterdir):
"""
Unmount the master metadata file system. Should be called only by SPM.
"""
# fuser processes holding mount point and validate that the umount
# succeeded
cls.__handleStuckUmount(masterdir)
try:
masterMount = mount.getMountFromTarget(masterdir)
except OSError as ex:
if ex.errno == errno.ENOENT:
return
raise
if masterMount.isMounted():
# Try umount, take 1
try:
masterMount.umount()
except mount.MountError:
# umount failed, try to kill that processes holding mount point
svdsmp = svdsm.getProxy()
pids = svdsmp.fuser(masterMount.fs_file, mountPoint=True)
# It was unmounted while I was checking no need to do anything
if not masterMount.isMounted():
return
if len(pids) == 0:
cls.log.warn("Unmount failed because of errors that fuser "
"can't solve")
else:
for pid in pids:
try:
cls.log.debug("Trying to kill pid %d", pid)
os.kill(pid, signal.SIGKILL)
except OSError as e:
if e.errno == errno.ESRCH: # No such process
pass
elif e.errno == errno.EPERM: # Op. not permitted
cls.log.warn("Could not kill pid %d because "
"operation was not permitted",
pid)
else:
cls.log.warn("Could not kill pid %d because an"
" unexpected error",
exc_info=True)
except:
cls.log.warn("Could not kill pid %d because an "
"unexpected error", exc_info=True)
# Try umount, take 2
try:
masterMount.umount()
except mount.MountError:
pass
if masterMount.isMounted():
# We failed to umount masterFS
# Forcibly rebooting the SPM host would be safer. ???
raise se.StorageDomainMasterUnmountError(masterdir, 1)
def detach_detachable(device_name):
libvirt_device, device_params = _get_device_ref_and_params(device_name)
capability = CAPABILITY_TO_XML_ATTR[device_params['capability']]
if capability == 'pci':
try:
iommu_group = device_params['iommu_group']
except KeyError:
raise NoIOMMUSupportException('hostdev passthrough without iommu')
supervdsm.getProxy().appropriateIommuGroup(iommu_group)
libvirt_device.detachFlags(None)
elif capability == 'usb':
supervdsm.getProxy().appropriateUSBDevice(
device_params['address']['bus'],
device_params['address']['device'])
return device_params
def _resize_if_needed(guid):
name = devicemapper.getDmId(guid)
slaves = [(slave, getDeviceSize(slave))
for slave in devicemapper.getSlaves(name)]
if len(slaves) == 0:
log.warning("Map %r has no slaves" % guid)
return False
if len(set(size for slave, size in slaves)) != 1:
raise Error("Map %r slaves size differ %s" % (guid, slaves))
map_size = getDeviceSize(name)
slave_size = slaves[0][1]
if map_size == slave_size:
return False
log.info("Resizing map %r (map_size=%d, slave_size=%d)",
guid, map_size, slave_size)
supervdsm.getProxy().resizeMap(name)
return True
def getVmNumaNodeRuntimeInfo(vm):
"""
Collect vm numa nodes runtime pinning to which host numa nodes
information.
Host numa node topology:
'numaNodes': {'<nodeIndex>': {'cpus': [int], 'totalMemory': 'str'},
...}
We can get each physical cpu core belongs to which host numa node.
Vm numa node configuration:
'guestNumaNodes': [{'cpus': 'str', 'memory': 'str'}, ...]
We can get each vcpu belongs to which vm numa node.
Vcpu runtime pinning to physical cpu core information:
([(0, 1, 19590000000L, 1), (1, 1, 10710000000L, 1)],
[(True, True, True, True), (True, True, True, True)])
The first list element of the above tuple describe each vcpu(list[0])
runtime pinning to which physical cpu core(list[3]).
Get the mapping info between vcpu and pid from
/var/run/libvirt/qemu/<vmName>.xml
Get each vcpu(pid) backed memory mapping to which host numa nodes info
from /proc/<vm_pid>/<vcpu_pid>/numa_maps
From all the above information, we can calculate each vm numa node
runtime pinning to which host numa node.
The output is a map like:
'<vm numa node index>': [<host numa node index>, ...]
"""
vmNumaNodeRuntimeMap = {}
vcpu_to_pcpu = _get_mapping_vcpu_to_pcpu(
_get_vcpu_positioning(vm))
if vcpu_to_pcpu:
vm_numa_placement = defaultdict(set)
vcpu_to_pnode = supervdsm.getProxy().getVcpuNumaMemoryMapping(
vm.conf['vmName'].encode('utf-8'))
pcpu_to_pnode = _get_mapping_pcpu_to_pnode()
vcpu_to_vnode = _get_mapping_vcpu_to_vnode(vm)
for vcpu_id, pcpu_id in vcpu_to_pcpu.iteritems():
vnode_index = str(vcpu_to_vnode[vcpu_id])
vm_numa_placement[vnode_index].add(pcpu_to_pnode[pcpu_id])
vm_numa_placement[vnode_index].update(
vcpu_to_pnode.get(vcpu_id, ()))
vmNumaNodeRuntimeMap = dict((k, list(v)) for k, v in
vm_numa_placement.iteritems())
return vmNumaNodeRuntimeMap
def _resize_if_needed(guid):
name = devicemapper.getDmId(guid)
slaves = [(slave, getDeviceSize(slave))
for slave in devicemapper.getSlaves(name)]
if len(slaves) == 0:
log.warning("Map %r has no slaves" % guid)
return False
if len(set(size for slave, size in slaves)) != 1:
raise Error("Map %r slaves size differ %s" % (guid, slaves))
map_size = getDeviceSize(name)
slave_size = slaves[0][1]
if map_size == slave_size:
return False
log.info("Resizing map %r (map_size=%d, slave_size=%d)",
guid, map_size, slave_size)
supervdsm.getProxy().resizeMap(name)
return True
def getVmNumaNodeRuntimeInfo(vm):
"""
Collect vm numa nodes runtime pinning to which host numa nodes
information.
Host numa node topology:
'numaNodes': {'<nodeIndex>': {'cpus': [int], 'totalMemory': 'str'},
...}
We can get each physical cpu core belongs to which host numa node.
Vm numa node configuration:
'guestNumaNodes': [{'cpus': 'str', 'memory': 'str'}, ...]
We can get each vcpu belongs to which vm numa node.
Vcpu runtime pinning to physical cpu core information:
([(0, 1, 19590000000L, 1), (1, 1, 10710000000L, 1)],
[(True, True, True, True), (True, True, True, True)])
The first list element of the above tuple describe each vcpu(list[0])
runtime pinning to which physical cpu core(list[3]).
Get the mapping info between vcpu and pid from
/var/run/libvirt/qemu/<vmName>.xml
Get each vcpu(pid) backed memory mapping to which host numa nodes info
from /proc/<vm_pid>/<vcpu_pid>/numa_maps
From all the above information, we can calculate each vm numa node
runtime pinning to which host numa node.
The output is a map like:
'<vm numa node index>': [<host numa node index>, ...]
"""
vmNumaNodeRuntimeMap = {}
if 'guestNumaNodes' in vm.conf:
vcpu_to_pcpu = _get_mapping_vcpu_to_pcpu(vm)
if vcpu_to_pcpu:
vm_numa_placement = defaultdict(set)
vcpu_to_pnode = supervdsm.getProxy().getVcpuNumaMemoryMapping(
vm.conf['vmName'].encode('utf-8'))
pcpu_to_pnode = _get_mapping_pcpu_to_pnode()
vcpu_to_vnode = _get_mapping_vcpu_to_vnode(vm)
for vcpu_id, pcpu_id in vcpu_to_pcpu.iteritems():
vnode_index = str(vcpu_to_vnode[vcpu_id])
vm_numa_placement[vnode_index].add(pcpu_to_pnode[pcpu_id])
vm_numa_placement[vnode_index].update(
vcpu_to_pnode.get(vcpu_id, ()))
vmNumaNodeRuntimeMap = dict(
(k, list(v)) for k, v in vm_numa_placement.iteritems())
return vmNumaNodeRuntimeMap
def getVmNumaNodeRuntimeInfo(vm):
"""
Collect vm numa nodes runtime pinning to which host numa nodes
information.
Host numa node topology:
'numaNodes': {'<nodeIndex>': {'cpus': [int], 'totalMemory': 'str'},
...}
We can get each physical cpu core belongs to which host numa node.
Vm numa node configuration:
'guestNumaNodes': [{'cpus': 'str', 'memory': 'str'}, ...]
We can get each vcpu belongs to which vm numa node.
Vcpu runtime pinning to physical cpu core information:
([(0, 1, 19590000000L, 1), (1, 1, 10710000000L, 1)],
[(True, True, True, True), (True, True, True, True)])
The first list element of the above tuple describe each vcpu(list[0])
runtime pinning to which physical cpu core(list[3]).
Get the mapping info between vcpu and pid from
/var/run/libvirt/qemu/<vmName>.xml
Get each vcpu(pid) backed memory mapping to which host numa nodes info
from /proc/<vm_pid>/<vcpu_pid>/numa_maps
From all the above information, we can calculate each vm numa node
runtime pinning to which host numa node.
The output is a map like:
'<vm numa node index>': [<host numa node index>, ...]
"""
vmNumaNodeRuntimeMap = {}
if 'guestNumaNodes' in vm.conf:
vCpuRuntimePinMap = _getVcpuRuntimePinMap(vm)
if vCpuRuntimePinMap:
vmName = vm.conf['vmName'].encode('utf-8')
vCpuMemoryMapping = \
supervdsm.getProxy().getVcpuNumaMemoryMapping(vmName)
pNodesCpusMap = _getHostNumaNodesCpuMap()
vNodesCpusMap = _getVmNumaNodesCpuMap(vm)
for vCpu, pCpu in vCpuRuntimePinMap.iteritems():
vNodeIndex = str(vNodesCpusMap[vCpu])
if vNodeIndex not in vmNumaNodeRuntimeMap:
vmNumaNodeRuntimeMap[vNodeIndex] = []
vmNumaNodeRuntimeMap[vNodeIndex].append(pNodesCpusMap[pCpu])
if vCpu in vCpuMemoryMapping:
vmNumaNodeRuntimeMap[vNodeIndex].extend(
vCpuMemoryMapping[vCpu])
vmNumaNodeRuntimeMap = dict([
(k, list(set(v))) for k, v in vmNumaNodeRuntimeMap.iteritems()
])
return vmNumaNodeRuntimeMap
def getVmNumaNodeRuntimeInfo(vm):
"""
Collect vm numa nodes runtime pinning to which host numa nodes
information.
Host numa node topology:
'numaNodes': {'<nodeIndex>': {'cpus': [int], 'totalMemory': 'str'},
...}
We can get each physical cpu core belongs to which host numa node.
Vm numa node configuration:
'guestNumaNodes': [{'cpus': 'str', 'memory': 'str'}, ...]
We can get each vcpu belongs to which vm numa node.
Vcpu runtime pinning to physical cpu core information:
([(0, 1, 19590000000L, 1), (1, 1, 10710000000L, 1)],
[(True, True, True, True), (True, True, True, True)])
The first list element of the above tuple describe each vcpu(list[0])
runtime pinning to which physical cpu core(list[3]).
Get the mapping info between vcpu and pid from
/var/run/libvirt/qemu/<vmName>.xml
Get each vcpu(pid) backed memory mapping to which host numa nodes info
from /proc/<vm_pid>/<vcpu_pid>/numa_maps
From all the above information, we can calculate each vm numa node
runtime pinning to which host numa node.
The output is a map like:
'<vm numa node index>': [<host numa node index>, ...]
"""
vmNumaNodeRuntimeMap = {}
if 'guestNumaNodes' in vm.conf:
vCpuRuntimePinMap = _getVcpuRuntimePinMap(vm)
if vCpuRuntimePinMap:
vmName = vm.conf['vmName'].encode('utf-8')
vCpuMemoryMapping = \
supervdsm.getProxy().getVcpuNumaMemoryMapping(vmName)
pNodesCpusMap = _getHostNumaNodesCpuMap()
vNodesCpusMap = _getVmNumaNodesCpuMap(vm)
for vCpu, pCpu in vCpuRuntimePinMap.iteritems():
vNodeIndex = str(vNodesCpusMap[vCpu])
if vNodeIndex not in vmNumaNodeRuntimeMap:
vmNumaNodeRuntimeMap[vNodeIndex] = []
vmNumaNodeRuntimeMap[vNodeIndex].append(pNodesCpusMap[pCpu])
if vCpu in vCpuMemoryMapping:
vmNumaNodeRuntimeMap[vNodeIndex].extend(
vCpuMemoryMapping[vCpu])
vmNumaNodeRuntimeMap = dict([(k, list(set(v))) for k, v in
vmNumaNodeRuntimeMap.iteritems()])
return vmNumaNodeRuntimeMap
def editNetwork(self, oldBridge, newBridge, vlan=None, bond=None,
nics=None, options={}):
"""Add a new network to this vds, replacing an old one."""
self._translateOptionsToNew(options)
if not self._cif._networkSemaphore.acquire(blocking=False):
self.log.warn('concurrent network verb already executing')
return errCode['unavail']
try:
if vlan:
options['vlan'] = vlan
if bond:
options['bonding'] = bond
if nics:
options['nics'] = list(nics)
self._cif._netConfigDirty = True
try:
supervdsm.getProxy().editNetwork(oldBridge, newBridge, options)
except configNetwork.ConfigNetworkError, e:
self.log.error(e.message, exc_info=True)
return {'status': {'code': e.errCode, 'message': e.message}}
return {'status': doneCode}
def _prepareVolumePathFromPayload(self, vmId, device, payload):
"""
param vmId:
VM UUID or None
param device:
either 'floppy' or 'cdrom'
param payload:
a dict formed like this:
{'volId': 'volume id', # volId is optional
'file': {'filename': 'content', ...}}
"""
funcs = {'cdrom': 'mkIsoFs', 'floppy': 'mkFloppyFs'}
if device not in funcs:
raise vm.VolumeError("Unsupported 'device': %s" % device)
func = getattr(supervdsm.getProxy(), funcs[device])
return func(vmId, payload['file'], payload.get('volId'))
def _prepareVolumePathFromPayload(self, vmId, device, payload):
"""
param vmId:
VM UUID or None
param device:
either 'floppy' or 'cdrom'
param payload:
a dict formed like this:
{'volId': 'volume id', # volId is optional
'file': {'filename': 'content', ...}}
"""
funcs = {'cdrom': 'mkIsoFs', 'floppy': 'mkFloppyFs'}
if device not in funcs:
raise vm.VolumeError("Unsupported 'device': %s" % device)
func = getattr(supervdsm.getProxy(), funcs[device])
return func(vmId, payload['file'], payload.get('volId'))
def getVmVolumeInfo(self):
"""
Send info to represent Gluster volume as a network block device
"""
rpath = sdCache.produce(self.sdUUID).getRemotePath()
rpath_list = rpath.rsplit(":", 1)
volfileServer = rpath_list[0]
volname = rpath_list[1]
# Volume transport to Libvirt transport mapping
VOLUME_TRANS_MAP = {"TCP": "tcp", "RDMA": "rdma"}
# Extract the volume's transport using gluster cli
svdsmProxy = svdsm.getProxy()
try:
volInfo = svdsmProxy.glusterVolumeInfo(volname, volfileServer)
volTrans = VOLUME_TRANS_MAP[volInfo[volname]["transportType"][0]]
except GlusterException:
# In case of issues with finding transport type, default to tcp
self.log.warning(
"Unable to find transport type for GlusterFS" " volume %s. GlusterFS server = %s." "Defaulting to tcp",
(volname, volfileServer),
exc_info=True,
)
volTrans = VOLUME_TRANS_MAP["TCP"]
# Use default port
volPort = "0"
imgFilePath = self.getVolumePath()
imgFilePath_list = imgFilePath.rsplit("/")
# Extract path to the image, relative to the gluster mount
imgFileRelPath = "/".join(imgFilePath_list[-4:])
glusterPath = volname + "/" + imgFileRelPath
return {
"volType": VmVolumeInfo.TYPE_NETWORK,
"path": glusterPath,
"protocol": "gluster",
"volPort": volPort,
"volTransport": volTrans,
"volfileServer": volfileServer,
}
def getVmVolumeInfo(self):
"""
Send info to represent Gluster volume as a network block device
"""
rpath = sdCache.produce(self.sdUUID).getRemotePath()
rpath_list = rpath.rsplit(":", 1)
volfileServer = rpath_list[0]
volname = rpath_list[1]
# Volume transport to Libvirt transport mapping
VOLUME_TRANS_MAP = {'TCP': 'tcp', 'RDMA': 'rdma'}
# Extract the volume's transport using gluster cli
svdsmProxy = svdsm.getProxy()
try:
volInfo = svdsmProxy.glusterVolumeInfo(volname, volfileServer)
volTrans = VOLUME_TRANS_MAP[volInfo[volname]['transportType'][0]]
except GlusterException:
# In case of issues with finding transport type, default to tcp
self.log.warning(
"Unable to find transport type for GlusterFS"
" volume %s. GlusterFS server = %s."
"Defaulting to tcp", (volname, volfileServer),
exc_info=True)
volTrans = VOLUME_TRANS_MAP['TCP']
# Use default port
volPort = "0"
imgFilePath = self.getVolumePath()
imgFilePath_list = imgFilePath.rsplit("/")
# Extract path to the image, relative to the gluster mount
imgFileRelPath = "/".join(imgFilePath_list[-4:])
glusterPath = volname + '/' + imgFileRelPath
return {
'volType': VmVolumeInfo.TYPE_NETWORK,
'path': glusterPath,
'protocol': 'gluster',
'volPort': volPort,
'volTransport': volTrans,
'volfileServer': volfileServer
}
def isEnabled():
"""
Check the multipath daemon configuration. The configuration file
/etc/multipath.conf should contain private tag in form
"RHEV REVISION X.Y" for this check to succeed.
If the tag above is followed by tag "RHEV PRIVATE" the configuration
should be preserved at all cost.
"""
if os.path.exists(MPATH_CONF):
first = second = ''
svdsm = supervdsm.getProxy()
mpathconf = svdsm.readMultipathConf()
try:
first = mpathconf[0]
second = mpathconf[1]
except IndexError:
pass
if MPATH_CONF_PRIVATE_TAG in second:
log.info("Manual override for multipath.conf detected - "
"preserving current configuration")
if MPATH_CONF_TAG not in first:
log.warning("This manual override for multipath.conf "
"was based on downrevved template. "
"You are strongly advised to "
"contact your support representatives")
return True
if MPATH_CONF_TAG in first:
log.debug("Current revision of multipath.conf detected, "
"preserving")
return True
for tag in OLD_TAGS:
if tag in first:
log.info("Downrev multipath.conf detected, upgrade required")
return False
log.debug("multipath Defaulting to False")
return False
def isEnabled():
"""
Check the multipath daemon configuration. The configuration file
/etc/multipath.conf should contain private tag in form
"RHEV REVISION X.Y" for this check to succeed.
If the tag above is followed by tag "RHEV PRIVATE" the configuration
should be preserved at all cost.
"""
if os.path.exists(MPATH_CONF):
first = second = ''
svdsm = supervdsm.getProxy()
mpathconf = svdsm.readMultipathConf()
try:
first = mpathconf[0]
second = mpathconf[1]
except IndexError:
pass
if MPATH_CONF_PRIVATE_TAG in second:
log.info("Manual override for multipath.conf detected - "
"preserving current configuration")
if MPATH_CONF_TAG not in first:
log.warning("This manual override for multipath.conf "
"was based on downrevved template. "
"You are strongly advised to "
"contact your support representatives")
return True
if MPATH_CONF_TAG in first:
log.debug("Current revision of multipath.conf detected, "
"preserving")
return True
for tag in OLD_TAGS:
if tag in first:
log.info("Downrev multipath.conf detected, upgrade required")
return False
log.debug("multipath Defaulting to False")
return False
def getVmVolumeInfo(self):
"""
Send info to represent Gluster volume as a network block device
"""
rpath = sdCache.produce(self.sdUUID).getRealPath()
volfileServer, volname = rpath.rsplit(":", 1)
volname = volname.strip('/')
# Volume transport to Libvirt transport mapping
VOLUME_TRANS_MAP = {'TCP': 'tcp', 'RDMA': 'rdma'}
# Extract the volume's transport using gluster cli
svdsmProxy = svdsm.getProxy()
try:
volInfo = svdsmProxy.glusterVolumeInfo(volname, volfileServer)
volTrans = VOLUME_TRANS_MAP[volInfo[volname]['transportType'][0]]
except GlusterException:
# In case of issues with finding transport type, default to tcp
self.log.warning("Unable to find transport type for GlusterFS"
" volume %s. GlusterFS server = %s."
"Defaulting to tcp",
(volname, volfileServer), exc_info=True)
volTrans = VOLUME_TRANS_MAP['TCP']
# Use default port
volPort = "0"
imgFilePath = self.getVolumePath()
imgFilePath_list = imgFilePath.rsplit("/")
# Extract path to the image, relative to the gluster mount
imgFileRelPath = "/".join(imgFilePath_list[-4:])
glusterPath = volname + '/' + imgFileRelPath
return {'volType': VmVolumeInfo.TYPE_NETWORK, 'path': glusterPath,
'protocol': 'gluster', 'volPort': volPort,
'volTransport': volTrans,
'volfileServer': volfileServer}
def _prepare_socket(self):
supervdsm.getProxy().prepareVmChannel(self._socketName)
def _prepare_socket(self):
supervdsm.getProxy().prepareVmChannel(self._socketName)
def __init__(self, cif, log):
self.cif = cif
self.log = log
self.svdsmProxy = svdsm.getProxy()
def restoreNetConfig(self):
supervdsm.getProxy().restoreNetworks()
def prepareVolumePath(self, drive, vmId=None):
if type(drive) is dict:
# PDIV drive format
if drive['device'] == 'disk' and vm.isVdsmImage(drive):
res = self.irs.prepareImage(
drive['domainID'], drive['poolID'],
drive['imageID'], drive['volumeID'])
if res['status']['code']:
raise vm.VolumeError(drive)
volPath = res['path']
# The order of imgVolumesInfo is not guaranteed
drive['volumeChain'] = res['imgVolumesInfo']
drive['volumeInfo'] = res['info']
# GUID drive format
elif "GUID" in drive:
res = self.irs.getDevicesVisibility([drive["GUID"]])
if not res["visible"][drive["GUID"]]:
raise vm.VolumeError(drive)
res = self.irs.appropriateDevice(drive["GUID"], vmId)
if res['status']['code']:
raise vm.VolumeError(drive)
volPath = os.path.join("/dev/mapper", drive["GUID"])
# UUID drive format
elif "UUID" in drive:
volPath = self._getUUIDSpecPath(drive["UUID"])
# leave path == '' for empty cdrom and floppy drives ...
elif (drive['device'] in ('cdrom', 'floppy') and
'specParams' in drive and
# next line can be removed in future, when < 3.3 engine
# is not supported
drive['specParams'].get('path', '') == '' and
drive.get('path', '') == '' and
'vmPayload' not in drive['specParams']):
volPath = ''
# ... or load the drive from vmPayload:
elif drive['device'] in ('cdrom', 'floppy') and \
'specParams' in drive and \
'vmPayload' in drive['specParams']:
'''
vmPayload is a key in specParams
'vmPayload': {'volId': 'volume id', # volId is optional
'file': {'filename': 'content', ...}}
'''
mkFsNames = {'cdrom': 'mkIsoFs', 'floppy': 'mkFloppyFs'}
try:
mkFsFunction = getattr(supervdsm.getProxy(),
mkFsNames[drive['device']])
except AttributeError:
raise vm.VolumeError("Unsupported 'device': %s in "
"drive: %" % (drive['device'], drive))
else:
files = drive['specParams']['vmPayload']['file']
volId = drive['specParams']['vmPayload'].get('volId')
volPath = mkFsFunction(vmId, files, volId)
elif "path" in drive:
volPath = drive['path']
else:
raise vm.VolumeError(drive)
# For BC sake: None as argument
elif not drive:
volPath = drive
# For BC sake: path as a string.
elif os.path.exists(drive):
volPath = drive
else:
raise vm.VolumeError(drive)
self.log.info("prepared volume path: %s", volPath)
return volPath
def getPathsStatus():
return getProxy().getPathsStatus()
def pathListIter(filterGuids=None):
filteringOn = filterGuids is not None
filterLen = len(filterGuids) if filteringOn else -1
devsFound = 0
knownSessions = {}
svdsm = supervdsm.getProxy()
pathStatuses = devicemapper.getPathsStatus()
for dmId, guid in getMPDevsIter():
if devsFound == filterLen:
break
if filteringOn and guid not in filterGuids:
continue
devsFound += 1
devInfo = {
"guid": guid,
"dm": dmId,
"capacity": str(getDeviceSize(dmId)),
"serial": svdsm.getScsiSerial(dmId),
"paths": [],
"connections": [],
"devtypes": [],
"devtype": "",
"vendor": "",
"product": "",
"fwrev": "",
"logicalblocksize": "",
"physicalblocksize": "",
}
for slave in devicemapper.getSlaves(dmId):
if not devicemapper.isBlockDevice(slave):
log.warning("No such physdev '%s' is ignored" % slave)
continue
if not devInfo["vendor"]:
try:
devInfo["vendor"] = getVendor(slave)
except Exception:
log.warn("Problem getting vendor from device `%s`",
slave,
exc_info=True)
if not devInfo["product"]:
try:
devInfo["product"] = getModel(slave)
except Exception:
log.warn("Problem getting model name from device `%s`",
slave,
exc_info=True)
if not devInfo["fwrev"]:
try:
devInfo["fwrev"] = getFwRev(slave)
except Exception:
log.warn("Problem getting fwrev from device `%s`",
slave,
exc_info=True)
if (not devInfo["logicalblocksize"]
or not devInfo["physicalblocksize"]):
try:
logBlkSize, phyBlkSize = getDeviceBlockSizes(slave)
devInfo["logicalblocksize"] = str(logBlkSize)
devInfo["physicalblocksize"] = str(phyBlkSize)
except Exception:
log.warn("Problem getting blocksize from device `%s`",
slave,
exc_info=True)
pathInfo = {}
pathInfo["physdev"] = slave
pathInfo["state"] = pathStatuses.get(slave, "failed")
try:
hbtl = getHBTL(slave)
except OSError as e:
if e.errno == errno.ENOENT:
log.warn("Device has no hbtl: %s", slave)
pathInfo["lun"] = 0
else:
log.error(
"Error: %s while trying to get hbtl of device: "
"%s", str(e.message), slave)
raise
else:
pathInfo["lun"] = hbtl.lun
if iscsi.devIsiSCSI(slave):
devInfo["devtypes"].append(DEV_ISCSI)
pathInfo["type"] = DEV_ISCSI
sessionID = iscsi.getiScsiSession(slave)
if sessionID not in knownSessions:
# FIXME: This entire part is for BC. It should be moved to
# hsm and not preserved for new APIs. New APIs should keep
# numeric types and sane field names.
sess = iscsi.getSessionInfo(sessionID)
sessionInfo = {
"connection": sess.target.portal.hostname,
"port": str(sess.target.portal.port),
"iqn": sess.target.iqn,
"portal": str(sess.target.tpgt),
"initiatorname": sess.iface.name
}
# Note that credentials must be sent back in order for
# the engine to tell vdsm how to reconnect later
if sess.credentials:
cred = sess.credentials
sessionInfo['user'] = cred.username
sessionInfo['password'] = cred.password
knownSessions[sessionID] = sessionInfo
devInfo["connections"].append(knownSessions[sessionID])
else:
devInfo["devtypes"].append(DEV_FCP)
pathInfo["type"] = DEV_FCP
if devInfo["devtype"] == "":
devInfo["devtype"] = pathInfo["type"]
elif (devInfo["devtype"] != DEV_MIXED
and devInfo["devtype"] != pathInfo["type"]):
devInfo["devtype"] == DEV_MIXED
devInfo["paths"].append(pathInfo)
yield devInfo
def pathListIter(filterGuids=None):
filteringOn = filterGuids is not None
filterLen = len(filterGuids) if filteringOn else -1
devsFound = 0
knownSessions = {}
svdsm = supervdsm.getProxy()
pathStatuses = devicemapper.getPathsStatus()
for dmId, guid in getMPDevsIter():
if devsFound == filterLen:
break
if filteringOn and guid not in filterGuids:
continue
devsFound += 1
devInfo = {
"guid": guid,
"dm": dmId,
"capacity": str(getDeviceSize(dmId)),
"serial": svdsm.getScsiSerial(dmId),
"paths": [],
"connections": [],
"devtypes": [],
"devtype": "",
"vendor": "",
"product": "",
"fwrev": "",
"logicalblocksize": "",
"physicalblocksize": "",
}
for slave in devicemapper.getSlaves(dmId):
if not devicemapper.isBlockDevice(slave):
log.warning("No such physdev '%s' is ignored" % slave)
continue
if not devInfo["vendor"]:
try:
devInfo["vendor"] = getVendor(slave)
except Exception:
log.warn("Problem getting vendor from device `%s`",
slave,
exc_info=True)
if not devInfo["product"]:
try:
devInfo["product"] = getModel(slave)
except Exception:
log.warn("Problem getting model name from device `%s`",
slave,
exc_info=True)
if not devInfo["fwrev"]:
try:
devInfo["fwrev"] = getFwRev(slave)
except Exception:
log.warn("Problem getting fwrev from device `%s`",
slave,
exc_info=True)
if not devInfo["logicalblocksize"] or not devInfo[
"physicalblocksize"]:
try:
logBlkSize, phyBlkSize = getDeviceBlockSizes(slave)
devInfo["logicalblocksize"] = str(logBlkSize)
devInfo["physicalblocksize"] = str(phyBlkSize)
except Exception:
log.warn("Problem getting blocksize from device `%s`",
slave,
exc_info=True)
pathInfo = {}
pathInfo["physdev"] = slave
pathInfo["state"] = pathStatuses.get(slave, "failed")
try:
pathInfo["hbtl"] = getHBTL(slave)
except Exception:
log.warn("Problem getting hbtl from device `%s`",
slave,
exc_info=True)
pathInfo["devnum"] = DeviceNumber(*devicemapper.getDevNum(slave))
if iscsi.devIsiSCSI(slave):
devInfo["devtypes"].append(DEV_ISCSI)
pathInfo["type"] = DEV_ISCSI
sessionID = iscsi.getiScsiSession(slave)
if sessionID not in knownSessions:
knownSessions[sessionID] = svdsm.getdeviSCSIinfo(slave)
devInfo["connections"].append(knownSessions[sessionID])
else:
devInfo["devtypes"].append(DEV_FCP)
pathInfo["type"] = DEV_FCP
if devInfo["devtype"] == "":
devInfo["devtype"] = pathInfo["type"]
elif devInfo["devtype"] != DEV_MIXED and devInfo[
"devtype"] != pathInfo["type"]:
devInfo["devtype"] == DEV_MIXED
devInfo["paths"].append(pathInfo)
yield devInfo
def prepare(self):
if self._path:
supervdsm.getProxy().prepareVmChannel(
self._path, constants.OVIRT_VMCONSOLE_GROUP)
def prepareVolumePath(self, drive, vmId=None):
if type(drive) is dict:
# PDIV drive format
if drive['device'] == 'disk' and vm.isVdsmImage(drive):
res = self.irs.prepareImage(drive['domainID'], drive['poolID'],
drive['imageID'],
drive['volumeID'])
if res['status']['code']:
raise vm.VolumeError(drive)
volPath = res['path']
drive['volumeChain'] = res['chain']
drive['volumeInfo'] = res['info']
# GUID drive format
elif "GUID" in drive:
visible = self.irs.scanDevicesVisibility([drive["GUID"]])
if visible[drive["GUID"]] is False:
self.log.error("GUID: %s is not visible", drive["GUID"])
raise vm.VolumeError(drive)
volPath = os.path.join("/dev/mapper", drive["GUID"])
res = self.irs.appropriateDevice(drive["GUID"], vmId)
if res['status']['code']:
self.log.error("Change ownership on device %s failed",
drive["GUID"])
raise vm.VolumeError(drive)
# UUID drive format
elif "UUID" in drive:
volPath = self._getUUIDSpecPath(drive["UUID"])
# leave path == '' for empty cdrom and floppy drives ...
elif drive['device'] in ('cdrom', 'floppy') and \
'specParams' in drive and \
'path' in drive['specParams'] and \
drive['specParams']['path'] == '':
volPath = ''
# ... or load the drive from vmPayload:
elif drive['device'] in ('cdrom', 'floppy') and \
'specParams' in drive and \
'vmPayload' in drive['specParams']:
'''
vmPayload is a key in specParams
'vmPayload': {'volId': 'volume id', # volId is optional
'file': {'filename': 'content', ...}}
'''
mkFsNames = {'cdrom': 'mkIsoFs', 'floppy': 'mkFloppyFs'}
try:
mkFsFunction = getattr(supervdsm.getProxy(),
mkFsNames[drive['device']])
except AttributeError:
raise vm.VolumeError("Unsupported 'device': %s in "
"drive: %" % (drive['device'], drive))
else:
files = drive['specParams']['vmPayload']['file']
volId = drive['specParams']['vmPayload'].get('volId')
volPath = mkFsFunction(vmId, files, volId)
elif "path" in drive:
volPath = drive['path']
else:
raise vm.VolumeError(drive)
# For BC sake: None as argument
elif not drive:
volPath = drive
# For BC sake: path as a string.
elif os.path.exists(drive):
volPath = drive
else:
raise vm.VolumeError(drive)
self.log.info("prepared volume path: %s", volPath)
return volPath
def getPathsStatus():
return getProxy().getPathsStatus()
def removeMapping(deviceName):
return getProxy().removeDeviceMapping(deviceName)
def getSessionInfo(sessionID):
return supervdsm.getProxy().readSessionInfo(sessionID)
def __init__(self, cif, log):
self.cif = cif
self.log = log
self.svdsmProxy = svdsm.getProxy()
def change_numvfs(device_name, numvfs):
supervdsm.getProxy().changeNumvfs(_name_to_pci_path(device_name), numvfs)
def testPingCall(self):
self.dropPrivileges()
proxy = supervdsm.getProxy()
self.assertTrue(proxy.ping())
def getSessionInfo(sessionID):
return supervdsm.getProxy().readSessionInfo(sessionID)
def restoreNetConfig(self):
supervdsm.getProxy().restoreNetworks()
def removeMapping(deviceName):
return getProxy().removeDeviceMapping(deviceName)
def ksmTune(self, tuningParams):
# When MOM is lauched by vdsm, it's running without root privileges.
# So we need resort to supervdsm to set the KSM parameters.
superVdsm = supervdsm.getProxy()
superVdsm.ksmTune(tuningParams)
def pathListIter(filterGuids=None):
filteringOn = filterGuids is not None
filterLen = len(filterGuids) if filteringOn else -1
devsFound = 0
knownSessions = {}
svdsm = supervdsm.getProxy()
pathStatuses = devicemapper.getPathsStatus()
for dmId, guid in getMPDevsIter():
if devsFound == filterLen:
break
if filteringOn and guid not in filterGuids:
continue
devsFound += 1
devInfo = {
"guid" : guid,
"dm" : dmId,
"capacity" : str(getDeviceSize(dmId)),
"serial" : svdsm.getScsiSerial(dmId),
"paths" : [],
"connections" : [],
"devtypes" : [],
"devtype" : "",
"vendor" : "",
"product" :"",
"fwrev" : "",
"logicalblocksize" : "",
"physicalblocksize" : "",
}
for slave in devicemapper.getSlaves(dmId):
if not devicemapper.isBlockDevice(slave):
log.warning("No such physdev '%s' is ignored" % slave)
continue
if not devInfo["vendor"]:
try:
devInfo["vendor"] = getVendor(slave)
except Exception:
log.warn("Problem getting vendor from device `%s`", slave, exc_info=True)
if not devInfo["product"]:
try:
devInfo["product"] = getModel(slave)
except Exception:
log.warn("Problem getting model name from device `%s`", slave, exc_info=True)
if not devInfo["fwrev"]:
try:
devInfo["fwrev"] = getFwRev(slave)
except Exception:
log.warn("Problem getting fwrev from device `%s`", slave, exc_info=True)
if not devInfo["logicalblocksize"] or not devInfo["physicalblocksize"]:
try:
logBlkSize, phyBlkSize = getDeviceBlockSizes(slave)
devInfo["logicalblocksize"] = str(logBlkSize)
devInfo["physicalblocksize"] = str(phyBlkSize)
except Exception:
log.warn("Problem getting blocksize from device `%s`", slave, exc_info=True)
pathInfo = {}
pathInfo["physdev"] = slave
pathInfo["state"] = pathStatuses.get(slave, "failed")
try:
pathInfo["hbtl"] = getHBTL(slave)
except Exception:
log.warn("Problem getting hbtl from device `%s`", slave, exc_info=True)
pathInfo["devnum"] = DeviceNumber(*devicemapper.getDevNum(slave))
if iscsi.devIsiSCSI(slave):
devInfo["devtypes"].append(DEV_ISCSI)
pathInfo["type"] = DEV_ISCSI
sessionID = iscsi.getiScsiSession(slave)
if sessionID not in knownSessions:
knownSessions[sessionID] = svdsm.getdeviSCSIinfo(slave)
devInfo["connections"].append(knownSessions[sessionID])
else:
devInfo["devtypes"].append(DEV_FCP)
pathInfo["type"] = DEV_FCP
if devInfo["devtype"] == "":
devInfo["devtype"] = pathInfo["type"]
elif devInfo["devtype"] != DEV_MIXED and devInfo["devtype"] != pathInfo["type"]:
devInfo["devtype"] == DEV_MIXED
devInfo["paths"].append(pathInfo)
yield devInfo
