def getPerformanceStats(bridgeName):
try:
rxBytesPath = join("/sys/class/net/", bridgeName, "statistics/rx_bytes")
txBytesPath = join("/sys/class/net/", bridgeName, "statistics/tx_bytes")
if not exists(rxBytesPath):
raise Exception("Cannot find %s" % rxBytesPath)
if not exists(txBytesPath):
raise Exception("Cannot find %s" % txBytesPath)
rxBytes = long(doCmd(["cat", rxBytesPath])) / 1000
txBytes = long(doCmd(["cat", txBytesPath])) / 1000
sysPerf = successToMap(sys_perf_info())
cpuUtil = float(100 - float(sysPerf["cpu_idle"]) * 100)
freeMemory = MtoBytes(long(sysPerf["mem_free"]))
xmInfo = successToMap(xen_get_xm_info())
totalMemory = MtoBytes(long(xmInfo["total_memory"]))
rs = toGson(
{
"cpuUtil": cpuUtil,
"totalMemory": totalMemory,
"freeMemory": freeMemory,
"rxBytes": rxBytes,
"txBytes": txBytes,
}
)
logger.info(OvmHost.getPerformanceStats, rs)
return rs
except Exception, e:
errmsg = fmt_err_msg(e)
logger.error(OvmHost.getPerformanceStats, errmsg)
raise XmlRpcFault(toErrCode(OvmHost, OvmHost.getPerformanceStats), errmsg)
def getDetails():
try:
obj = OvmHost()
masterIp = successToMap(get_master_ip())
safeSetAttr(obj, 'masterIp', masterIp['ip'])
xmInfo = successToMap(xen_get_xm_info())
totalMemory = MtoBytes(long(xmInfo['total_memory']))
safeSetAttr(obj, 'totalMemory', totalMemory)
freeMemory = MtoBytes(long(xmInfo['free_memory']))
safeSetAttr(obj, 'freeMemory', freeMemory)
dom0Memory = totalMemory - freeMemory
safeSetAttr(obj, 'dom0Memory', dom0Memory)
cpuNum = int(xmInfo['nr_cpus'])
safeSetAttr(obj, 'cpuNum', cpuNum)
cpuSpeed = int(xmInfo['cpu_mhz'])
safeSetAttr(obj, 'cpuSpeed', cpuSpeed)
name = xmInfo['host']
safeSetAttr(obj, 'name', name)
dom0KernelVersion = xmInfo['release']
safeSetAttr(obj, 'dom0KernelVersion', dom0KernelVersion)
hypervisorVersion = xmInfo['xen_major'] + '.' + xmInfo['xen_minor'] + xmInfo['xen_extra']
safeSetAttr(obj, 'hypervisorVersion', hypervisorVersion)
agtVersion = successToMap(get_agent_version())
safeSetAttr(obj, 'agentVersion', agtVersion['agent_version'])
res = fromOvmHost(obj)
logger.debug(OvmHost.getDetails, res)
return res
except Exception, e:
errmsg = fmt_err_msg(e)
logger.error(OvmHost.getDetails, errmsg)
raise XmlRpcFault(toErrCode(OvmHost, OvmHost.getDetails), errmsg)
def getDetails():
try:
obj = OvmHost()
masterIp = successToMap(get_master_ip())
safeSetAttr(obj, "masterIp", masterIp["ip"])
xmInfo = successToMap(xen_get_xm_info())
totalMemory = MtoBytes(long(xmInfo["total_memory"]))
safeSetAttr(obj, "totalMemory", totalMemory)
freeMemory = MtoBytes(long(xmInfo["free_memory"]))
safeSetAttr(obj, "freeMemory", freeMemory)
dom0Memory = totalMemory - freeMemory
safeSetAttr(obj, "dom0Memory", dom0Memory)
cpuNum = int(xmInfo["nr_cpus"])
safeSetAttr(obj, "cpuNum", cpuNum)
cpuSpeed = int(xmInfo["cpu_mhz"])
safeSetAttr(obj, "cpuSpeed", cpuSpeed)
name = xmInfo["host"]
safeSetAttr(obj, "name", name)
dom0KernelVersion = xmInfo["release"]
safeSetAttr(obj, "dom0KernelVersion", dom0KernelVersion)
hypervisorVersion = xmInfo["xen_major"] + "." + xmInfo["xen_minor"] + xmInfo["xen_extra"]
safeSetAttr(obj, "hypervisorVersion", hypervisorVersion)
agtVersion = successToMap(get_agent_version())
safeSetAttr(obj, "agentVersion", agtVersion["agent_version"])
res = fromOvmHost(obj)
logger.debug(OvmHost.getDetails, res)
return res
except Exception, e:
errmsg = fmt_err_msg(e)
logger.error(OvmHost.getDetails, errmsg)
raise XmlRpcFault(toErrCode(OvmHost, OvmHost.getDetails), errmsg)
def getDetails():
try:
obj = OvmHost()
masterIp = successToMap(get_master_ip())
safeSetAttr(obj, 'masterIp', masterIp['ip'])
xmInfo = successToMap(xen_get_xm_info())
totalMemory = MtoBytes(long(xmInfo['total_memory']))
safeSetAttr(obj, 'totalMemory', totalMemory)
freeMemory = MtoBytes(long(xmInfo['free_memory']))
safeSetAttr(obj, 'freeMemory', freeMemory)
dom0Memory = totalMemory - freeMemory
safeSetAttr(obj, 'dom0Memory', dom0Memory)
cpuNum = int(xmInfo['nr_cpus'])
safeSetAttr(obj, 'cpuNum', cpuNum)
cpuSpeed = int(xmInfo['cpu_mhz'])
safeSetAttr(obj, 'cpuSpeed', cpuSpeed)
name = xmInfo['host']
safeSetAttr(obj, 'name', name)
dom0KernelVersion = xmInfo['release']
safeSetAttr(obj, 'dom0KernelVersion', dom0KernelVersion)
hypervisorVersion = xmInfo['xen_major'] + '.' + xmInfo['xen_minor'] + xmInfo['xen_extra']
safeSetAttr(obj, 'hypervisorVersion', hypervisorVersion)
agtVersion = successToMap(get_agent_version())
safeSetAttr(obj, 'agentVersion', agtVersion['agent_version'])
res = fromOvmHost(obj)
logger.debug(OvmHost.getDetails, res)
return res
except Exception, e:
errmsg = fmt_err_msg(e)
logger.error(OvmHost.getDetails, errmsg)
raise XmlRpcFault(toErrCode(OvmHost, OvmHost.getDetails), errmsg)
def getVcpuNumAndUtils():
try:
session = session_login()
refs = session.xenapi.VM.get_by_name_label(vmName)
if len(refs) == 0:
raise Exception(
"No ref for %s found in xenapi VM objects" % vmName)
vm = XenAPIObject('VM', session, refs[0])
VM_metrics = XenAPIObject("VM_metrics", session,
vm.get_metrics())
items = VM_metrics.get_VCPUs_utilisation().items()
nvCpus = len(items)
if nvCpus == 0:
raise Exception("vm %s has 0 vcpus !!!" % vmName)
xmInfo = successToMap(xen_get_xm_info())
nCpus = int(xmInfo['nr_cpus'])
totalUtils = 0.0
# CPU utlization of VM = (total cpu utilization of each vcpu) / number of physical cpu
for num, util in items:
totalUtils += float(util)
avgUtils = float(totalUtils / nCpus) * 100
return (nvCpus, avgUtils)
finally:
session_logout()
def getPerformanceStats(bridgeName):
try:
rxBytesPath = join("/sys/class/net/", bridgeName,
"statistics/rx_bytes")
txBytesPath = join("/sys/class/net/", bridgeName,
"statistics/tx_bytes")
if not exists(rxBytesPath):
raise Exception("Cannot find %s" % rxBytesPath)
if not exists(txBytesPath):
raise Exception("Cannot find %s" % txBytesPath)
rxBytes = long(doCmd(['cat', rxBytesPath])) / 1000
txBytes = long(doCmd(['cat', txBytesPath])) / 1000
sysPerf = successToMap(sys_perf_info())
cpuUtil = float(100 - float(sysPerf['cpu_idle']) * 100)
freeMemory = MtoBytes(long(sysPerf['mem_free']))
xmInfo = successToMap(xen_get_xm_info())
totalMemory = MtoBytes(long(xmInfo['total_memory']))
rs = toGson({
"cpuUtil": cpuUtil,
"totalMemory": totalMemory,
"freeMemory": freeMemory,
"rxBytes": rxBytes,
"txBytes": txBytes
})
logger.info(OvmHost.getPerformanceStats, rs)
return rs
except Exception, e:
errmsg = fmt_err_msg(e)
logger.error(OvmHost.getPerformanceStats, errmsg)
raise XmlRpcFault(toErrCode(OvmHost, OvmHost.getPerformanceStats),
errmsg)
def getVcpuNumAndUtils():
try:
session = session_login()
refs = session.xenapi.VM.get_by_name_label(vmName)
if len(refs) == 0:
raise Exception("No ref for %s found in xenapi VM objects"%vmName)
vm = XenAPIObject('VM', session, refs[0])
VM_metrics = XenAPIObject("VM_metrics", session, vm.get_metrics())
items = VM_metrics.get_VCPUs_utilisation().items()
nvCpus = len(items)
if nvCpus == 0:
raise Exception("vm %s has 0 vcpus !!!"%vmName)
xmInfo = successToMap(xen_get_xm_info())
nCpus = int(xmInfo['nr_cpus'])
totalUtils = 0.0
# CPU utlization of VM = (total cpu utilization of each vcpu) / number of physical cpu
for num, util in items:
totalUtils += float(util)
avgUtils = float(totalUtils/nCpus) * 100
return (nvCpus, avgUtils)
finally:
session_logout()
