def l2_probe(args):
src_host, src_ins, src_vif, err = find_vif_by_ip(int(args['epc_id']), 0,
args['src_ip'])
if err:
print sys.stderr, err
return
next_host, next_ins, next_vif, err = find_vif_by_ip(
int(args['epc_id']), src_vif.subnetid, args['dst_ip'])
if src_host.type == HOST_TYPE_VM:
script = kvm_probe_script
elif src_host.type == HOST_TYPE_NSP:
script = nsp_probe_script
else:
print >> sys.stderr, "Error: unknown host type, %r" % src_host
return
for line in call_system_streaming([
'/usr/bin/sshpass',
'-p',
src_host.user_passwd,
'ssh',
] + SSH_OPTION_LIST + [
'%s@%s' %
(src_host.user_name, src_host.ip), script, 'ARP', '1', '5',
str(src_vif.vlantag), args['src_ip'], src_vif.mac, args['dst_ip'],
next_vif.mac if next_vif else '-'
],
ignore_err=False):
print line, # do not print duplicate newline
def l4_probe(args):
src_host, src_ins, src_vif, err = find_vif_by_ip(
int(args['epc_id']), 0, args['src_ip'])
if err:
print sys.stderr, err
return
next_host, next_ins, next_vif, err = find_vif_by_ip(
int(args['epc_id']), src_vif.subnetid, args['next_hop'])
if src_host.type == HOST_TYPE_VM:
script = kvm_probe_script
elif src_host.type == HOST_TYPE_NSP:
script = nsp_probe_script
else:
print >> sys.stderr, "Error: unknown host type, %r" % src_host
return
if args['app'] == 'tcp':
protocol = 'TCP'
else:
print >> sys.stderr, "app must be one of: tcp"
return
for line in call_system_streaming(
['/usr/bin/sshpass', '-p', src_host.user_passwd, 'ssh',
] + SSH_OPTION_LIST +
['%s@%s' % (src_host.user_name, src_host.ip),
script, protocol, '1', '5', str(src_vif.vlantag),
args['src_ip'], src_vif.mac,
args['dst_ip'], next_vif.mac if next_vif else '-',
args['next_hop'], args['dst_port']],
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 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_vgateway(args):
try:
vgw = VGateway.get(VGateway.id == args['id'])
except Exception:
print >> sys.stderr, 'Error: get vgw from db failed'
return
try:
host = HostDevice.get(HostDevice.ip == vgw.gw_launch_server)
except Exception:
print >> sys.stderr, \
'Error: get gw_launch_server %s from db failed' % \
vgw.gw_launch_server
return
try:
vif = VInterface.get(VInterface.devicetype == VIF_DEVICE_TYPE_VGATEWAY,
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
if vif.iftype == VINTERFACE_TYPE_WAN:
if_name = '%d-w-%d' % (vgw.id, vif.ifindex)
else:
if_name = '%d-l-%d' % (vgw.id, vif.ifindex)
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_vgateway(args):
try:
vgw = VGateway.get(VGateway.id == args['id'])
except Exception:
print >> sys.stderr, 'Error: get vgw from db failed'
return
try:
host = HostDevice.get(HostDevice.ip == vgw.gw_launch_server)
except Exception:
print >> sys.stderr, \
'Error: get gw_launch_server %s from db failed' % \
vgw.gw_launch_server
return
try:
vif = VInterface.get(
VInterface.devicetype == VIF_DEVICE_TYPE_VGATEWAY,
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
if vif.iftype == VINTERFACE_TYPE_WAN:
if_name = '%d-w-%d' % (vgw.id, vif.ifindex)
else:
if_name = '%d-l-%d' % (vgw.id, vif.ifindex)
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 l3_probe(args):
src_host, src_ins, src_vif, err = find_vif_by_ip(int(args['epc_id']), 0,
args['src_ip'])
if err:
print sys.stderr, err
return
next_host, next_ins, next_vif, err = find_vif_by_ip(
int(args['epc_id']), src_vif.subnetid, args['next_hop'])
if src_host.type == HOST_TYPE_VM:
script = kvm_probe_script
elif src_host.type == HOST_TYPE_NSP:
script = nsp_probe_script
else:
print >> sys.stderr, "Error: unknown host type, %r" % src_host
return
if args['app'] == 'ping':
protocol = 'ICMP'
elif args['app'] == 'traceroute':
protocol = 'TRACEROUTE'
else:
print >> sys.stderr, "app must be one of: ping, traceroute"
return
for line in call_system_streaming([
'/usr/bin/sshpass',
'-p',
src_host.user_passwd,
'ssh',
] + SSH_OPTION_LIST + [
'%s@%s' % (src_host.user_name, src_host.ip), script, protocol, '1',
'30' if protocol == 'TRACEROUTE' else '5',
str(src_vif.vlantag), args['src_ip'], src_vif.mac, args['dst_ip'],
next_vif.mac if next_vif else '-', args['next_hop']
],
ignore_err=False):
print line, # do not print duplicate newline
