def delete_vm(vm: data.VM) -> None:
"""
Delete the specific VM.
:param vm: A VM instance.
:return: None.
"""
server = vm.server
if vm.config.is_double:
server.A_cpu_rest += vm.config.cpu // 2
server.B_cpu_rest += vm.config.cpu // 2
server.A_memory_rest += vm.config.memory // 2
server.B_memory_rest += vm.config.memory // 2
server.AB_vm.remove(vm)
elif vm.node == 'A':
server.A_cpu_rest += vm.config.cpu
server.A_memory_rest += vm.config.memory
server.A_vm.remove(vm)
else:
server.B_cpu_rest += vm.config.cpu
server.B_memory_rest += vm.config.memory
server.B_vm.remove(vm)
vm.server = None
vm.node = None
def deploy_vm(vm: data.VM,
server: data.Server,
server_node: str = None) -> None:
"""
Deploy the specific VM on the specific Server.
:param vm: A VM instance.
:param server: A Server instance.
:param server_node: The value must be 'A' or 'B'. If the VM is deployed on both nodes 'AB', the value will be ignored.
:return: None.
"""
if not vm.config.is_double and server_node not in ['A', 'B']:
raise ValueError('You must specify the server node.')
if not has_capacity(server=server, server_node=server_node, vm=vm):
raise ValueError('The Server has no capacity for the VM.')
if vm.config.is_double:
server.A_cpu_rest -= vm.config.cpu // 2
server.B_cpu_rest -= vm.config.cpu // 2
server.A_memory_rest -= vm.config.memory // 2
server.B_memory_rest -= vm.config.memory // 2
server.AB_vm.append(vm)
vm.server = server
deploy = data.Deploy(vm=vm, to_server=server)
data.Operation_List[-1].deploy.append(deploy)
elif server_node == 'A':
server.A_cpu_rest -= vm.config.cpu
server.A_memory_rest -= vm.config.memory
server.A_vm.append(vm)
vm.server = server
vm.node = 'A'
deploy = data.Deploy(vm=vm, to_server=server, to_node='A')
data.Operation_List[-1].deploy.append(deploy)
else:
server.B_cpu_rest -= vm.config.cpu
server.B_memory_rest -= vm.config.memory
server.B_vm.append(vm)
vm.server = server
vm.node = 'B'
deploy = data.Deploy(vm=vm, to_server=server, to_node='B')
data.Operation_List[-1].deploy.append(deploy)
def tcpdump_vm(args):
try:
vm = VM.get(VM.id == args['id'])
except Exception:
print >> sys.stderr, 'Error: get vm from db failed'
return
try:
host = HostDevice.get(HostDevice.ip == vm.launch_server)
except Exception:
print >> sys.stderr, \
'Error: get launch_server %s from db failed' % vm.launch_server
return
try:
vif = VInterface.get(VInterface.devicetype == VIF_DEVICE_TYPE_VM,
VInterface.deviceid == args['id'],
VInterface.ifindex == args['if_index'])
except Exception:
print >> sys.stderr, 'Error: get vif if_index=%s from db failed' % \
args['if_index']
return
cmd = 'sshpass -p %s ssh %s %s@%s "ovs-vsctl --bare -- --columns=name ' \
'find interface \'external_ids:attached-mac=\\\"%s\\\"\'"' % \
(host.user_passwd, SSH_OPTION_STRING, host.user_name, host.ip, vif.mac)
rc, output = commands.getstatusoutput(cmd)
if rc:
print >> sys.stderr, \
'Error: cmd [%s] failed, rc=%d out=%s' % \
(cmd.replace(host.user_passwd, '*'), rc, output)
return
if_name = output
tcpdump_cmds = [
'tcpdump', '-i', if_name, '-l', '-nn', '-e', '-v', '-c', args['count'],
args['filter']
]
print ' '.join(tcpdump_cmds)
for line in call_system_streaming([
'/usr/bin/timeout',
args['timeout'],
'/usr/bin/sshpass',
'-p',
host.user_passwd,
'ssh',
] + SSH_OPTION_LIST + ['%s@%s' % (host.user_name, host.ip)] + tcpdump_cmds,
ignore_err=False):
print line, # do not print duplicate newline
def tcpdump_vm(args):
try:
vm = VM.get(VM.id == args['id'])
except Exception:
print >> sys.stderr, 'Error: get vm from db failed'
return
try:
host = HostDevice.get(HostDevice.ip == vm.launch_server)
except Exception:
print >> sys.stderr, \
'Error: get launch_server %s from db failed' % vm.launch_server
return
try:
vif = VInterface.get(
VInterface.devicetype == VIF_DEVICE_TYPE_VM,
VInterface.deviceid == args['id'],
VInterface.ifindex == args['if_index'])
except Exception:
print >> sys.stderr, 'Error: get vif if_index=%s from db failed' % \
args['if_index']
return
cmd = 'sshpass -p %s ssh %s %s@%s "ovs-vsctl --bare -- --columns=name ' \
'find interface \'external_ids:attached-mac=\\\"%s\\\"\'"' % \
(host.user_passwd, SSH_OPTION_STRING, host.user_name, host.ip, vif.mac)
rc, output = commands.getstatusoutput(cmd)
if rc:
print >> sys.stderr, \
'Error: cmd [%s] failed, rc=%d out=%s' % \
(cmd.replace(host.user_passwd, '*'), rc, output)
return
if_name = output
tcpdump_cmds = [
'tcpdump', '-i', if_name,
'-l', '-nn', '-e', '-v',
'-c', args['count'], args['filter']]
print ' '.join(tcpdump_cmds)
for line in call_system_streaming(
['/usr/bin/timeout', args['timeout'],
'/usr/bin/sshpass', '-p', host.user_passwd, 'ssh',
] + SSH_OPTION_LIST +
['%s@%s' % (host.user_name, host.ip)] + tcpdump_cmds,
ignore_err=False):
print line, # do not print duplicate newline
def find_vif_by_id(vifid):
try:
vif = VInterface.get(VInterface.id == vifid)
except Exception:
return (None, None, None, 'Can not find vif id=%d in db' % vifid)
try:
if vif.devicetype == VIF_DEVICE_TYPE_VM:
ins = VM.get(VM.id == vif.deviceid)
host = HostDevice.get(HostDevice.ip == ins.launch_server)
elif vif.deviceid == VIF_DEVICE_TYPE_VGATEWAY:
ins = VGateway.get(VGateway.id == vif.deviceid)
host = HostDevice.get(HostDevice.ip == ins.gw_launch_server)
else:
return (None, None, vif,
'Can not find device/host of %r' % vif.mac)
except Exception:
return (None, None, vif, 'Can not find device/host of %r' % vif.mac)
return (host, ins, vif, '')
def find_vif_by_id(vifid):
try:
vif = VInterface.get(VInterface.id == vifid)
except Exception:
return (None, None, None, 'Can not find vif id=%d in db' % vifid)
try:
if vif.devicetype == VIF_DEVICE_TYPE_VM:
ins = VM.get(VM.id == vif.deviceid)
host = HostDevice.get(HostDevice.ip == ins.launch_server)
elif vif.deviceid == VIF_DEVICE_TYPE_VGATEWAY:
ins = VGateway.get(VGateway.id == vif.deviceid)
host = HostDevice.get(HostDevice.ip == ins.gw_launch_server)
else:
return (None, None, vif,
'Can not find device/host of %r' % vif.mac)
except Exception:
return (None, None, vif, 'Can not find device/host of %r' % vif.mac)
return (host, ins, vif, '')
def vif_conifg(args):
assert isinstance(args, dict)
assert args['devicetype'] in VINTERFACE_DEVICETYPE.keys()
devicetype = VINTERFACE_DEVICETYPE[args['devicetype']]
try:
vif = VInterface.get((VInterface.devicetype == devicetype) &
(VInterface.deviceid == args['deviceid']) &
(VInterface.ifindex == args['ifindex']))
except Exception:
print >>sys.stderr, 'Error: vif not found'
return -1
try:
if args['devicetype'] == 'VM':
vdevice = VM.get(VM.id == args['deviceid'])
else:
vdevice = VGateway.get(VGateway.id == args['deviceid'])
except Exception:
print >>sys.stderr, 'Error: VM/VGATEWAY %s not found' % \
args['deviceid']
return -1
launch_server = vdevice.launch_server if args['devicetype'] == 'VM' else \
vdevice.gw_launch_server
try:
host = HostDevice.get(HostDevice.ip == launch_server)
except Exception:
print >>sys.stderr, 'Error: Host device %s not found' % launch_server
return -1
cmd = 'sshpass -p %s ssh -o ConnectTimeout=9 %s@%s ' % (host.user_passwd,
host.user_name,
launch_server)
if 'vlantag' in args:
if vif.state != VINTERFACE_STATE_ATTACH:
print >>sys.stderr, 'Error: vif is detached'
return -1
if vif.iftype != VINTERFACE_TYPE_WAN:
print >>sys.stderr, 'Error: vif is not WAN'
return -1
if args['devicetype'] == 'VM':
cmd += 'sh /usr/local/livecloud/pyagexec/script/vport.sh UPDATE '\
'vlantag %s %s' % (vif.mac, args['vlantag'])
else:
cmd += 'sh /usr/local/livegate/script/router.sh update '\
'vlantag %s %s' % (vif.mac, args['vlantag'])
rc, output = commands.getstatusoutput(cmd)
if rc:
print >>sys.stderr, 'Error: "%s" failed' % cmd
print >>sys.stderr, 'Error: %s' % output
vif_syslog(
viftype=vif.iftype, devicetype=args['devicetype'],
deviceid=vif.deviceid, ifindex=vif.ifindex, vifid=vif.id,
loginfo='vlantag config failed',
level=VINTERFACE_CONFIG_VLANTAG_LEVEL)
return -1
ips = IP.select().where(IP.vifid == vif.id)
for ip in ips:
ip.vlantag = args['vlantag']
ip.save()
old_vlantag = vif.vlantag
vif.vlantag = args['vlantag']
vif.save()
vif_syslog(
viftype=vif.iftype, devicetype=args['devicetype'],
deviceid=vif.deviceid, ifindex=vif.ifindex, vifid=vif.id,
loginfo='vlantag config successful on launch_server %s,'
' from %d to %s' % (launch_server, old_vlantag,
args['vlantag']),
level=VINTERFACE_CONFIG_VLANTAG_LEVEL)
print "SUCCESS"
return
if 'broadc_bandw' in args or 'broadc_ceil_bandw' in args:
if vif.state != VINTERFACE_STATE_ATTACH:
print >>sys.stderr, 'Error: vif is detached'
return -1
if args['devicetype'] != 'VM' and vif.iftype != VINTERFACE_TYPE_WAN:
print >>sys.stderr, 'Error: vif is not VGATEWAY WAN or VM DATA'
return -1
if 'broadc_bandw' not in args:
print >>sys.stderr, 'Error: broadc_bandw is also required '\
'for broadc_ceil_bandw'
return -1
if 'broadc_ceil_bandw' not in args:
print >>sys.stderr, 'Error: broadc_ceil_bandw is also '\
'required for broadc_bandw'
return -1
if int(args['broadc_bandw']) > int(args['broadc_ceil_bandw']):
print >>sys.stderr, 'Error: broadc_bandw cannot be larger '\
'than broadc_ceil_bandw'
return -1
if int(args['broadc_ceil_bandw']) > 0:
if args['devicetype'] == 'VM':
cmd += 'sh /usr/local/livecloud/pyagexec/script/vport.sh ADD-BROADCAST-QOS '\
'%s %s %s' % (vif.mac,
args['broadc_bandw'],
args['broadc_ceil_bandw'])
else:
cmd += 'sh /usr/local/livegate/script/router.sh add broadcast-qos '\
'%s %s %s %s' % (vif.deviceid, vif.ifindex,
args['broadc_bandw'],
args['broadc_ceil_bandw'])
else:
if args['devicetype'] == 'VM':
cmd += 'sh /usr/local/livecloud/pyagexec/script/vport.sh DEL-BROADCAST-QOS '\
'%s' % vif.mac
else:
cmd += 'sh /usr/local/livegate/script/router.sh delete broadcast-qos '\
'%s %s' % (vif.deviceid, vif.ifindex)
rc, output = commands.getstatusoutput(cmd)
if rc:
print >>sys.stderr, 'Error: "%s" failed' % cmd
print >>sys.stderr, 'Error: %s' % output
vif_syslog(
viftype=vif.iftype, devicetype=args['devicetype'],
deviceid=vif.deviceid, ifindex=vif.ifindex, vifid=vif.id,
loginfo='broadcast bandwidth config failed',
level=VINTERFACE_CONFIG_BROADC_BANDW_LEVEL)
return -1
vif.broadc_bandw = args['broadc_bandw']
vif.broadc_ceil_bandw = args['broadc_ceil_bandw']
vif.save()
vif_syslog(
viftype=vif.iftype, devicetype=args['devicetype'],
deviceid=vif.deviceid, ifindex=vif.ifindex, vifid=vif.id,
loginfo='broadcast bandwidth config successful on '
'launch_server %s' % launch_server,
level=VINTERFACE_CONFIG_BROADC_BANDW_LEVEL)
print "SUCCESS"
return
print "ERROR: No config parameter is given"