def getVMVcpuMapping(self, vm):
try:
libvirt_instance_name = getattr(vm, 'OS-EXT-SRV-ATTR:instance_name')
with libvirt_client.LibVirtConnection(self.hostname, "qemu+ssh") as libvconn:
libvinstance = libvirt_client.LibVirtInstance(libvconn, str(libvirt_instance_name))
return list(libvinstance.get_instance_mapping()[0])
except:
self.logger.info("=================> Could not get vcpu mapping of VM %s", vm.id)
return None
def pin_vcpu(self, vm, vcpu, pcpus):
self.logger.debug("======> Pinning vcpu %d in pcpus %s", vcpu, pcpus)
try:
libvirt_instance_name = getattr(vm, 'OS-EXT-SRV-ATTR:instance_name')
with libvirt_client.LibVirtConnection(self.hostname, "qemu+ssh") as libvconn:
libvinstance = libvirt_client.LibVirtInstance(libvconn, str(libvirt_instance_name))
libvinstance.map_instance_vcpu(vcpu, pcpus)
return True
except:
self.logger.info("=================> Could not pin vcpu %d in pcpus %s", vcpu, pcpus)
return False
def pin_vcpus(vm, vcpus, node):
try:
libvirt_instance_name = getattr(vm, 'OS-EXT-SRV-ATTR:instance_name')
with libvirt_client.LibVirtConnection(node, 'qemu+ssh') as libvconn:
libvinstance = libvirt_client.LibVirtInstance(
libvconn, str(libvirt_instance_name))
for vcpu in range(vcpus):
libvinstance.map_instance_vcpu(vcpu, [vcpu])
return True
except:
logger.info("======> Failed to pin vcpu in pcpus")
return False