def __init__(self, pid):
"""
Initialize a HostSample.
:param pid: The PID of this vdsm host.
:type pid: int
"""
TimedSample.__init__(self)
self.interfaces = dict(
(link.name, InterfaceSample(link)) for link in getLinks())
self.pidcpu = PidCpuSample(pid)
self.totcpu = TotalCpuSample()
meminfo = utils.readMemInfo()
freeOrCached = (meminfo['MemFree'] +
meminfo['Cached'] + meminfo['Buffers'])
self.memUsed = 100 - int(100.0 * (freeOrCached) / meminfo['MemTotal'])
self.anonHugePages = meminfo.get('AnonHugePages', 0) / 1024
try:
self.cpuLoad = file('/proc/loadavg').read().split()[1]
except:
self.cpuLoad = '0.0'
self.diskStats = self._getDiskStats()
try:
with file(_THP_STATE_PATH) as f:
s = f.read()
self.thpState = s[s.index('[') + 1:s.index(']')]
except:
self.thpState = 'never'
self.cpuCores = CpuCoreSample()
self.numaNodeMem = NumaNodeMemorySample()
def __init__(self, pid):
"""
Initialize a HostSample.
:param pid: The PID of this vdsm host.
:type pid: int
"""
TimedSample.__init__(self)
self.interfaces = dict(
(link.name, InterfaceSample(link)) for link in getLinks())
self.pidcpu = PidCpuSample(pid)
self.totcpu = TotalCpuSample()
meminfo = utils.readMemInfo()
freeOrCached = (meminfo['MemFree'] + meminfo['Cached'] +
meminfo['Buffers'])
self.memUsed = 100 - int(100.0 * (freeOrCached) / meminfo['MemTotal'])
self.anonHugePages = meminfo.get('AnonHugePages', 0) / 1024
try:
self.cpuLoad = file('/proc/loadavg').read().split()[1]
except:
self.cpuLoad = '0.0'
self.diskStats = self._getDiskStats()
try:
with file(_THP_STATE_PATH) as f:
s = f.read()
self.thpState = s[s.index('[') + 1:s.index(']')]
except:
self.thpState = 'never'
self.cpuCores = CpuCoreSample()
self.numaNodeMem = NumaNodeMemorySample()
ENGINE_DEFAULT_POLL_INTERVAL = 15
self.recentClient = (
self.timestamp - os.stat(P_VDSM_CLIENT_LOG).st_mtime <
2 * ENGINE_DEFAULT_POLL_INTERVAL)
def _get_interfaces_and_samples():
links_and_samples = {}
for link in ipwrapper.getLinks():
try:
links_and_samples[link.name] = InterfaceSample(link)
except IOError as e:
# this handles a race condition where the device is now no
# longer exists and netlink fails to fetch it
if e.errno == errno.ENODEV:
continue
raise
return links_and_samples
def _get_interfaces_and_samples():
links_and_samples = {}
for link in ipwrapper.getLinks():
try:
links_and_samples[link.name] = InterfaceSample(link)
except IOError as e:
# this handles a race condition where the device is now no
# longer exists and netlink fails to fetch it
if e.errno == errno.ENODEV:
continue
raise
return links_and_samples
def _updateIfidsIfrates(self):
devices = getLinks()
self._ifids = [dev.name for dev in devices]
self._ifrates = []
for dev in devices:
if dev.isNIC():
speed = netinfo.nicSpeed(dev.name)
elif dev.isBOND():
speed = netinfo.bondSpeed(dev.name)
else:
speed = 0
self._ifrates.append(speed)
def wait_for_device(name, timeout=1):
"""
Wait for a network device to appear in a given timeout. If the device is
not created by then, raise a ConfigNetworkError.
"""
with monitor.Monitor(timeout=timeout, groups=('link',),
silent_timeout=True) as mon:
if name in (link.name for link in ipwrapper.getLinks()):
return
for event in mon:
if event.get('name') == name and event.get('event') == 'new_link':
return
raise ConfigNetworkError(ERR_FAILED_IFUP, 'Device %s was not created '
'during a %ss timeout.' % (name, timeout))
def _updateIfidsIfrates(self):
devices = getLinks()
self._ifids = [dev.name for dev in devices]
self._ifrates = []
for dev in devices:
if dev.isNIC():
speed = netinfo.nicSpeed(dev.name)
elif dev.isBOND():
speed = netinfo.bondSpeed(dev.name)
elif dev.isVLAN():
speed = netinfo.vlanSpeed(dev.name)
else:
speed = 0
self._ifrates.append(speed)
def _delTarget(network, parent, target):
fs = list(filters(network, parent))
if fs:
filt = fs[0]
else:
return []
devices = set(link.name for link in ipwrapper.getLinks())
acts = [act for act in filt.actions
if act.target in devices and act.target != target]
if acts:
filt = Filter(prio=filt.prio, handle=filt.handle, actions=acts)
_filter_replace(network, parent, filt)
else:
tc_filter.delete(network, filt.prio, parent=parent)
return acts
def __init__(self, pid):
"""
Initialize a HostSample.
:param pid: The PID of this vdsm host.
:type pid: int
"""
TimedSample.__init__(self)
self.interfaces = dict(
(link.name, InterfaceSample(link)) for link in getLinks())
self.pidcpu = PidCpuSample(pid)
self.totcpu = TotalCpuSample()
meminfo = utils.readMemInfo()
freeOrCached = (meminfo['MemFree'] +
meminfo['Cached'] + meminfo['Buffers'])
self.memUsed = 100 - int(100.0 * (freeOrCached) / meminfo['MemTotal'])
self.anonHugePages = meminfo.get('AnonHugePages', 0) / 1024
try:
with open('/proc/loadavg') as loadavg:
self.cpuLoad = loadavg.read().split()[1]
except:
self.cpuLoad = '0.0'
self.diskStats = self._getDiskStats()
try:
with open(_THP_STATE_PATH) as f:
s = f.read()
self.thpState = s[s.index('[') + 1:s.index(']')]
except:
self.thpState = 'never'
self.cpuCores = CpuCoreSample()
self.numaNodeMem = NumaNodeMemorySample()
ENGINE_DEFAULT_POLL_INTERVAL = 15
try:
self.recentClient = (
self.timestamp - os.stat(P_VDSM_CLIENT_LOG).st_mtime <
2 * ENGINE_DEFAULT_POLL_INTERVAL)
except OSError as e:
if e.errno == errno.ENOENT:
self.recentClient = False
else:
raise
