def getVmMemoryStats(self, uuid):
ret = {}
try:
vm = API.VM(uuid)
response = vm.getStats()
self._check_status(response)
usage = int(response['statsList'][0]['memUsage'])
if usage == 0:
msg = "VM %s - The ovirt-guest-agent is not active" % uuid
raise HypervisorInterfaceError(msg)
stats = response['statsList'][0]['memoryStats']
if not stats:
msg = "Detailed guest memory stats are not available, " \
"please upgrade guest agent"
raise HypervisorInterfaceError(msg)
ret['mem_available'] = int(stats['mem_total'])
ret['mem_unused'] = int(stats['mem_unused'])
ret['mem_free'] = int(stats['mem_free'])
ret['major_fault'] = int(stats['majflt'])
ret['minor_fault'] = int(stats['pageflt']) - int(stats['majflt'])
ret['swap_in'] = int(stats['swap_in'])
ret['swap_out'] = int(stats['swap_out'])
# get swap size and usage information if available
ret['swap_total'] = int(stats.get('swap_total', 0))
ret['swap_usage'] = int(stats.get('swap_usage', 0))
self.logger.debug('Memory stats: %s', ret)
return ret
except vdsmException as e:
raise HypervisorInterfaceError(e.msg)
def getVmMemoryStats(self, uuid):
ret = {}
try:
vm = self.getVmStats(uuid)
except KeyError as e:
raise HypervisorInterfaceError("VM %s does not exist" % uuid)
usage = int(vm['memUsage'])
if usage == 0:
msg = "VM %s - The ovirt-guest-agent is not active" % uuid
raise HypervisorInterfaceError(msg)
stats = vm['memoryStats']
if not stats:
msg = "Detailed guest memory stats are not available, " \
"please upgrade guest agent"
raise HypervisorInterfaceError(msg)
ret['mem_available'] = int(stats['mem_total'])
ret['mem_unused'] = int(stats['mem_unused'])
ret['mem_free'] = int(stats['mem_free'])
ret['major_fault'] = int(stats['majflt'])
ret['minor_fault'] = int(stats['pageflt']) - int(stats['majflt'])
ret['swap_in'] = int(stats['swap_in'])
ret['swap_out'] = int(stats['swap_out'])
# get swap size and usage information if available
ret['swap_total'] = int(stats.get('swap_total', 0))
ret['swap_usage'] = int(stats.get('swap_usage', 0))
self.logger.debug('Memory stats: %s', ret)
return ret
def getVmCpuTuneInfo(self, uuid):
try:
ret = {}
vm = self.getVmStats(uuid)
except KeyError as e:
raise HypervisorInterfaceError("VM %s does not exist" % uuid)
# Get user selection for vCPU limit
vcpuUserLimit = vm.get('vcpuUserLimit', 100)
ret['vcpu_user_limit'] = vcpuUserLimit
# Get current vcpu tuning info
vcpuQuota = vm.get('vcpuQuota', 0)
ret['vcpu_quota'] = vcpuQuota
vcpuPeriod = vm.get('vcpuPeriod', 0)
ret['vcpu_period'] = vcpuPeriod
#Get num of vCPUs
vcpuCount = vm.get('vcpuCount', None)
if vcpuCount == None:
return None
else:
ret['vcpu_count'] = vcpuCount
# Make sure the values are numbers, VDSM is using str
# to avoid xml-rpc issues
# We are modifying the dict keys inside the loop so
# iterate over copy of the list with keys, also use
# list() to make this compatible with Python 3
for key in list(ret.keys()):
ret[key] = int(ret[key])
return ret
def getVmInfo(self, uuid):
try:
vm = self.getVmStats(uuid)
except KeyError as e:
raise HypervisorInterfaceError("VM %s does not exist" % uuid)
data = {}
data['uuid'] = uuid
data['pid'] = vm['pid']
data['name'] = vm['vmName']
if None in data.values():
return None
return data
def getVmBalloonInfo(self, uuid):
try:
vm = self.getVmStats(uuid)
except KeyError as e:
raise HypervisorInterfaceError("VM %s does not exist" % uuid)
balloon_info = vm.get('balloonInfo', {})
if balloon_info:
# Make sure the values are numbers, VDSM is using str
# to avoid xml-rpc issues
# We are modifying the dict keys inside the loop so
# iterate over copy of the list with keys, also use
# list() to make this compatible with Python 3
for key in list(balloon_info.keys()):
# Remove keys that are not important to MoM to make sure
# the HypervisorInterface stays consistent between
# libvirt and vdsm platforms.
if key not in ("balloon_max", "balloon_min", "balloon_cur"):
del balloon_info[key]
continue
balloon_info[key] = int(balloon_info[key])
return balloon_info