def update_status(self):
"""Since under Xenserver, a compute node runs on a given host,
we can get host status information using xenapi.
"""
LOG.debug(_("Updating host stats"))
data = call_xenhost(self._session, "host_data", {})
if data:
sr_ref = vm_utils.scan_default_sr(self._session)
sr_rec = self._session.call_xenapi("SR.get_record", sr_ref)
total = int(sr_rec["physical_size"])
used = int(sr_rec["physical_utilisation"])
data["disk_total"] = total
data["disk_used"] = used
data["disk_available"] = total - used
data["supported_instances"] = to_supported_instances(
data.get("host_capabilities"))
host_memory = data.get('host_memory', None)
if host_memory:
data["host_memory_total"] = host_memory.get('total', 0)
data["host_memory_overhead"] = host_memory.get('overhead', 0)
data["host_memory_free"] = host_memory.get('free', 0)
data["host_memory_free_computed"] = host_memory.get(
'free-computed', 0)
del data['host_memory']
if (data['host_hostname'] != self._stats.get(
'host_hostname', data['host_hostname'])):
LOG.error(
_('Hostname has changed from %(old)s '
'to %(new)s. A restart is required to take effect.') % {
'old': self._stats['host_hostname'],
'new': data['host_hostname']
})
data['host_hostname'] = self._stats['host_hostname']
data['hypervisor_hostname'] = data['host_hostname']
self._stats = data
def update_status(self):
"""Since under Xenserver, a compute node runs on a given host,
we can get host status information using xenapi.
"""
LOG.debug(_("Updating host stats"))
data = call_xenhost(self._session, "host_data", {})
if data:
sr_ref = vm_utils.scan_default_sr(self._session)
sr_rec = self._session.call_xenapi("SR.get_record", sr_ref)
total = int(sr_rec["physical_size"])
used = int(sr_rec["physical_utilisation"])
data["disk_total"] = total
data["disk_used"] = used
data["disk_available"] = total - used
data["supported_instances"] = to_supported_instances(
data.get("host_capabilities")
)
host_memory = data.get('host_memory', None)
if host_memory:
data["host_memory_total"] = host_memory.get('total', 0)
data["host_memory_overhead"] = host_memory.get('overhead', 0)
data["host_memory_free"] = host_memory.get('free', 0)
data["host_memory_free_computed"] = host_memory.get(
'free-computed', 0)
del data['host_memory']
if (data['host_hostname'] !=
self._stats.get('host_hostname', data['host_hostname'])):
LOG.error(_('Hostname has changed from %(old)s '
'to %(new)s. A restart is required to take effect.'
) % {'old': self._stats['host_hostname'],
'new': data['host_hostname']})
data['host_hostname'] = self._stats['host_hostname']
data['hypervisor_hostname'] = data['host_hostname']
self._stats = data
def update_status(self):
"""Since under Xenserver, a compute node runs on a given host,
we can get host status information using xenapi.
"""
LOG.debug("Updating host stats")
data = call_xenhost(self._session, "host_data", {})
def _get_total_network_bandwidth ():
ethersOut = os.popen('ls -d /sys/class/net/eth*');
ethers = ethersOut.readlines();
totalSpeed = 0;
for ether in ethers:
cmd = 'cat ' + ether[:-1] + '/speed';
speed = os.popen(cmd);
speedInMB = int (speed.read());
totalSpeed = totalSpeed + speedInMB;
speed.close();
ethersOut.close();
return totalSpeed;
if data:
sr_ref = vm_utils.scan_default_sr(self._session)
sr_rec = self._session.SR.get_record(sr_ref)
total = int(sr_rec["physical_size"])
used = int(sr_rec["physical_utilisation"])
data["disk_total"] = total
data["disk_used"] = used
data["disk_allocated"] = int(sr_rec["virtual_allocation"])
data["disk_available"] = total - used
data["supported_instances"] = to_supported_instances(
data.get("host_capabilities")
)
host_memory = data.get('host_memory', None)
if host_memory:
data["host_memory_total"] = host_memory.get('total', 0)
data["host_memory_overhead"] = host_memory.get('overhead', 0)
data["host_memory_free"] = host_memory.get('free', 0)
data["host_memory_free_computed"] = host_memory.get(
'free-computed', 0)
del data['host_memory']
if (data['host_hostname'] !=
self._stats.get('host_hostname', data['host_hostname'])):
LOG.error(_('Hostname has changed from %(old)s '
'to %(new)s. A restart is required to take effect.'
) % {'old': self._stats['host_hostname'],
'new': data['host_hostname']})
data['host_hostname'] = self._stats['host_hostname']
data['hypervisor_hostname'] = data['host_hostname']
vcpus_used = 0
for vm_ref, vm_rec in vm_utils.list_vms(self._session):
vcpus_used = vcpus_used + int(vm_rec['VCPUs_max'])
data['vcpus_used'] = vcpus_used
data['pci_passthrough_devices'] = self._get_passthrough_devices()
data['total_bandwidth'] = _get_total_network_bandwidth ();
data['bandwidth_used'] = 0;
self._stats = data
def update_status(self):
"""Since under Xenserver, a compute node runs on a given host,
we can get host status information using xenapi.
"""
LOG.debug("Updating host stats")
data = _call_host_management(self._session,
host_management.get_host_data)
if data:
sr_ref = vm_utils.scan_default_sr(self._session)
sr_rec = self._session.SR.get_record(sr_ref)
total = int(sr_rec["physical_size"])
(allocated, used) = self.get_disk_used(sr_ref)
data["disk_total"] = total
data["disk_used"] = used
data["disk_allocated"] = allocated
data["disk_available"] = total - used
data["supported_instances"] = to_supported_instances(
data.get("host_capabilities")
)
data["cpu_model"] = to_cpu_model(
data.get("host_cpu_info")
)
host_memory = data.get('host_memory', None)
if host_memory:
data["host_memory_total"] = host_memory.get('total', 0)
data["host_memory_overhead"] = host_memory.get('overhead', 0)
data["host_memory_free"] = host_memory.get('free', 0)
data["host_memory_free_computed"] = host_memory.get(
'free-computed', 0)
del data['host_memory']
if (data['host_hostname'] !=
self._stats.get('host_hostname', data['host_hostname'])):
LOG.error('Hostname has changed from %(old)s to %(new)s. '
'A restart is required to take effect.',
{'old': self._stats['host_hostname'],
'new': data['host_hostname']})
data['host_hostname'] = self._stats['host_hostname']
data['hypervisor_hostname'] = data['host_hostname']
vcpus_used = 0
for vm_ref, vm_rec in vm_utils.list_vms(self._session):
vcpus_used = vcpus_used + int(vm_rec['VCPUs_max'])
data['vcpus_used'] = vcpus_used
data['pci_passthrough_devices'] = self._get_passthrough_devices()
data['vgpu_stats'] = self._get_vgpu_stats()
self._stats = data
def update_status(self):
"""Since under Xenserver, a compute node runs on a given host,
we can get host status information using xenapi.
"""
LOG.debug("Updating host stats")
data = _call_host_management(self._session,
host_management.get_host_data)
if data:
sr_ref = vm_utils.scan_default_sr(self._session)
sr_rec = self._session.SR.get_record(sr_ref)
total = int(sr_rec["physical_size"])
(allocated, used) = self.get_disk_used(sr_ref)
data["disk_total"] = total
data["disk_used"] = used
data["disk_allocated"] = allocated
data["disk_available"] = total - used
data["supported_instances"] = to_supported_instances(
data.get("host_capabilities")
)
data["cpu_model"] = to_cpu_model(
data.get("host_cpu_info")
)
host_memory = data.get('host_memory', None)
if host_memory:
data["host_memory_total"] = host_memory.get('total', 0)
data["host_memory_overhead"] = host_memory.get('overhead', 0)
data["host_memory_free"] = host_memory.get('free', 0)
data["host_memory_free_computed"] = host_memory.get(
'free-computed', 0)
del data['host_memory']
if (data['host_hostname'] !=
self._stats.get('host_hostname', data['host_hostname'])):
LOG.error('Hostname has changed from %(old)s to %(new)s. '
'A restart is required to take effect.',
{'old': self._stats['host_hostname'],
'new': data['host_hostname']})
data['host_hostname'] = self._stats['host_hostname']
data['hypervisor_hostname'] = data['host_hostname']
vcpus_used = 0
for vm_ref, vm_rec in vm_utils.list_vms(self._session):
vcpus_used = vcpus_used + int(vm_rec['VCPUs_max'])
data['vcpus_used'] = vcpus_used
data['pci_passthrough_devices'] = self._get_passthrough_devices()
data['vgpu_stats'] = self._get_vgpu_stats()
self._stats = data
