def get_control_domain(host):
"""
得到XenServer主机的控制域VM
@host: XenServer主机的IP
"""
session = global_xenserver_conn.get(host, None)
main_host = None
if session != None:
try:
all_vm = session.xenapi.VM.get_all()
except Exception, e:
# 如果出现异常，说明这是台slave
# 需要从它的master上获取所有VM
session = global_xenserver_conn.get(e.details[1], None)
all_vm = session.xenapi.VM.get_all()
# 并对比含有is_control_domain的VM
# 它的resident_on是否等于传递的参数host
all_host = session.xenapi.host.get_all()
for xenhost in all_host:
host_record = session.xenapi.host.get_record(xenhost)
if host_record['address'] == host:
main_host = xenhost
break
for vm_ref in all_vm:
record = session.xenapi.VM.get_record(vm_ref)
if record['is_control_domain'] and record[
'resident_on'] == main_host:
return vm_ref
def get_control_domain(host):
"""
得到XenServer主机的控制域VM
@host: XenServer主机的IP
"""
session = global_xenserver_conn.get(host, None)
main_host = None
if session != None:
try:
all_vm = session.xenapi.VM.get_all()
except Exception, e:
# 如果出现异常，说明这是台slave
# 需要从它的master上获取所有VM
session = global_xenserver_conn.get(e.details[1], None)
all_vm = session.xenapi.VM.get_all()
# 并对比含有is_control_domain的VM
# 它的resident_on是否等于传递的参数host
all_host = session.xenapi.host.get_all()
for xenhost in all_host:
host_record = session.xenapi.host.get_record(xenhost)
if host_record["address"] == host:
main_host = xenhost
break
for vm_ref in all_vm:
record = session.xenapi.VM.get_record(vm_ref)
if record["is_control_domain"] and record["resident_on"] == main_host:
return vm_ref
def get_xenserver_vm_all(host):
'''
获取单台xenserver的所有虚拟机
@host xenserver的IP地址
'''
final_vms_record = []
session = global_xenserver_conn.get(host, None)
if session != None:
try:
vms = session.xenapi.VM.get_all()
except Exception, e:
session = global_xenserver_conn.get(e.details[1])
vms = session.xenapi.VM.get_all()
# 并对比含有is_control_domain的VM
# 它的resident_on是否等于传递的参数host
all_host = session.xenapi.host.get_all()
for xenhost in all_host:
host_record = session.xenapi.host.get_record(xenhost)
if host_record['address'] == host:
main_host = xenhost
break
i = 1
for vm in vms:
record = session.xenapi.VM.get_record(vm)
# 排除以下两种情况的VM
# resident_on参数不等于当前需要查询的主机的VM
# 并且电源状态是Running的
# 这样在M/S架构中，Halted的VM不属于任何NODE
# 使用这样的判断可以将这些VM添加到当前HOST的VM列表中，方便管理
if record['resident_on'] != main_host and record[
'power_state'] == 'Running':
continue
if not record['is_a_template'] and not record['is_control_domain']:
temp_record = {}
temp_record['uuid'] = record['uuid']
temp_record['vcpu_max'] = record['VCPUs_max']
temp_record['memory_static_max'] = int(
record['memory_static_max']) / (1024**2)
temp_record['name_label'] = record['name_label']
temp_record['power_state'] = record['power_state']
vm_ref = vm.split(":")[1]
temp_record['vm_ref'] = vm_ref
#get network information
guest_metrics = record['guest_metrics']
if guest_metrics != "OpaqueRef:NULL":
guest_metrics_record = session.xenapi.VM_guest_metrics.get_record(
guest_metrics)
temp_record['networks'] = guest_metrics_record['networks']
else:
temp_record['networks'] = {}
temp_record['id'] = i
i += 1
final_vms_record.append(temp_record)
def get_xenserver_vm_all(host):
"""
获取单台xenserver的所有虚拟机
@host xenserver的IP地址
"""
final_vms_record = []
session = global_xenserver_conn.get(host, None)
if session != None:
try:
vms = session.xenapi.VM.get_all()
except Exception, e:
session = global_xenserver_conn.get(e.details[1])
vms = session.xenapi.VM.get_all()
# 并对比含有is_control_domain的VM
# 它的resident_on是否等于传递的参数host
all_host = session.xenapi.host.get_all()
for xenhost in all_host:
host_record = session.xenapi.host.get_record(xenhost)
if host_record["address"] == host:
main_host = xenhost
break
i = 1
for vm in vms:
record = session.xenapi.VM.get_record(vm)
# 排除以下两种情况的VM
# resident_on参数不等于当前需要查询的主机的VM
# 并且电源状态是Running的
# 这样在M/S架构中，Halted的VM不属于任何NODE
# 使用这样的判断可以将这些VM添加到当前HOST的VM列表中，方便管理
if record["resident_on"] != main_host and record["power_state"] == "Running":
continue
if not record["is_a_template"] and not record["is_control_domain"]:
temp_record = {}
temp_record["uuid"] = record["uuid"]
temp_record["vcpu_max"] = record["VCPUs_max"]
temp_record["memory_static_max"] = int(record["memory_static_max"]) / (1024 ** 2)
temp_record["name_label"] = record["name_label"]
temp_record["power_state"] = record["power_state"]
vm_ref = vm.split(":")[1]
temp_record["vm_ref"] = vm_ref
# get network information
guest_metrics = record["guest_metrics"]
if guest_metrics != "OpaqueRef:NULL":
guest_metrics_record = session.xenapi.VM_guest_metrics.get_record(guest_metrics)
temp_record["networks"] = guest_metrics_record["networks"]
else:
temp_record["networks"] = {}
temp_record["id"] = i
i += 1
final_vms_record.append(temp_record)
def get_vm_ref_by_name(host_ip, vm_name):
session = global_xenserver_conn.get(host_ip, None)
if session != None:
try:
vm_ref = session.xenapi.VM.get_by_name_label(vm_name)
except Exception, e:
session = global_xenserver_conn.get(e.details[1], None)
vm_ref = session.xenapi.VM.get_by_name_label(vm_name)
try:
return vm_ref[0], True
except Exception, e:
logger.exception(e)
return ("Can not get refid for %s" % vm_name, False)
def get_vm_ref_by_name(host_ip, vm_name):
session = global_xenserver_conn.get(host_ip, None)
if session != None:
try:
vm_ref = session.xenapi.VM.get_by_name_label(vm_name)
except Exception, e:
session = global_xenserver_conn.get(e.details[1], None)
vm_ref = session.xenapi.VM.get_by_name_label(vm_name)
try:
return vm_ref[0], True
except Exception, e:
logger.exception(e)
return ("Can not get refid for %s" % vm_name, False)
def get_xenserver_host(xenhost):
'''
获取单台xenserver的相信信息
@xenhost: xenserver的IP
'''
session = global_xenserver_conn.get(xenhost, None)
if session != None:
try:
hosts = session.xenapi.host.get_all()
except Exception, e:
session = global_xenserver_conn.get(e.details[1])
hosts = session.xenapi.host.get_all()
for host_record in hosts:
record = session.xenapi.host.get_record(host_record)
if record['address'] == xenhost:
temp_host = get_host_info(session, host_record, verbose=True)
return temp_host
def get_vm_info(host, vm_ref):
"""
得到单台VM的简略信息
@host: XenServer主机
@vm_ref: VM的reference
"""
vm_info = {}
session = global_xenserver_conn.get(host, None)
if session != None:
try:
vm_record = session.xenapi.VM.get_record("OpaqueRef:" + vm_ref)
except Exception, e:
session = global_xenserver_conn.get(e.details[1], None)
vm_record = session.xenapi.VM.get_record("OpaqueRef:" + vm_ref)
vm_info['name_label'] = vm_record['name_label']
vm_info['power_state'] = vm_record['power_state']
return vm_info
def get_xenserver_host(xenhost):
"""
获取单台xenserver的相信信息
@xenhost: xenserver的IP
"""
session = global_xenserver_conn.get(xenhost, None)
if session != None:
try:
hosts = session.xenapi.host.get_all()
except Exception, e:
session = global_xenserver_conn.get(e.details[1])
hosts = session.xenapi.host.get_all()
for host_record in hosts:
record = session.xenapi.host.get_record(host_record)
if record["address"] == xenhost:
temp_host = get_host_info(session, host_record, verbose=True)
return temp_host
def get_vm_info(host, vm_ref):
"""
得到单台VM的简略信息
@host: XenServer主机
@vm_ref: VM的reference
"""
vm_info = {}
session = global_xenserver_conn.get(host, None)
if session != None:
try:
vm_record = session.xenapi.VM.get_record("OpaqueRef:" + vm_ref)
except Exception, e:
session = global_xenserver_conn.get(e.details[1], None)
vm_record = session.xenapi.VM.get_record("OpaqueRef:" + vm_ref)
vm_info["name_label"] = vm_record["name_label"]
vm_info["power_state"] = vm_record["power_state"]
return vm_info
def get_vm_info_by_uuid(host_ip, vm_uuid):
"""
得到单台VM的详细
@host: XenServer主机
@vm_uuid: VM的UUID
"""
session = global_xenserver_conn.get(host_ip, None)
if session != None:
try:
vm_ref = session.xenapi.VM.get_by_uuid(vm_uuid)
except Exception, e:
session = global_xenserver_conn.get(e.details[1], None)
vm_ref = session.xenapi.VM.get_by_uuid(vm_uuid)
try:
vm_record = session.xenapi.VM.get_record(vm_ref)
except Exception, e:
logger.exception(e)
return
def get_vm_info_by_uuid(host_ip, vm_uuid):
"""
得到单台VM的详细
@host: XenServer主机
@vm_uuid: VM的UUID
"""
session = global_xenserver_conn.get(host_ip, None)
if session != None:
try:
vm_ref = session.xenapi.VM.get_by_uuid(vm_uuid)
except Exception, e:
session = global_xenserver_conn.get(e.details[1], None)
vm_ref = session.xenapi.VM.get_by_uuid(vm_uuid)
try:
vm_record = session.xenapi.VM.get_record(vm_ref)
except Exception, e:
logger.exception(e)
return
def get_vm_uuid_by_name(host_ip, vm_name):
"""
得到单台VM的UUID
@host: XenServer主机
@vm_uuid: VM的name label
"""
session = global_xenserver_conn.get(host_ip, None)
if session != None:
try:
vm_ref = session.xenapi.VM.get_by_name_label(vm_name)
except Exception, e:
session = global_xenserver_conn.get(e.details[1], None)
vm_ref = session.xenapi.VM.get_by_name_label(vm_name)
try:
vm_record = session.xenapi.VM.get_record(vm_ref[0])
except Exception, e:
logger.exception(e)
return ("Can not get uuid for %s" % vm_name, False)
def get_vm_uuid_by_name(host_ip, vm_name):
"""
得到单台VM的UUID
@host: XenServer主机
@vm_uuid: VM的name label
"""
session = global_xenserver_conn.get(host_ip, None)
if session != None:
try:
vm_ref = session.xenapi.VM.get_by_name_label(vm_name)
except Exception, e:
session = global_xenserver_conn.get(e.details[1], None)
vm_ref = session.xenapi.VM.get_by_name_label(vm_name)
try:
vm_record = session.xenapi.VM.get_record(vm_ref[0])
except Exception, e:
logger.exception(e)
return ("Can not get uuid for %s" % vm_name, False)
def get_vm_info_by_uuid(host, vm_uuid):
"""
得到单台VM的详细
@host: XenServer主机
@vm_uuid: VM的UUID
"""
for ip, session in global_xenserver_conn.items():
if ip == host:
try:
vms = session.xenapi.VM.get_all()
except Exception, e:
session = global_xenserver_conn.get(e.details[1])
vms = session.xenapi.VM.get_all()
for vm in vms:
record = session.xenapi.VM.get_record(vm)
if not record["is_a_template"] and not record["is_control_domain"]:
if record["uuid"] == vm_uuid:
return record
def get_xenserver_conn(xenhost):
return global_xenserver_conn.get(xenhost, None)
def get_xenserver_conn(xenhost):
return global_xenserver_conn.get(xenhost, None)