1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
"""
Spice Migration test
Somewhat stressfull test of continuous migration with spice in VGA mode or QXL mode,
depends on supplying an image in IMAGE variable (if no image is supplied then
VGA mode since it will just be SeaBIOS).
Dependencies:
either qmp in python path or running with spice and qemu side by side:
qemu/QMP/qmp.py
spice/tests/migrate.py
Will create two temporary unix sockets in /tmp
Will leave a log file, migrate_test.log, in current directory.
"""
#
# start one spiceclient, have two machines (active and target),
# and repeat:
# active wait until it's active
# active client_migrate_info
# active migrate tcp:localhost:9000
# _wait for event of quit
# active stop, active<->passive
#
# wait until it's active
# command query-status, if running good
# if not listen to events until event of running
try:
import qmp
except:
import sys
sys.path.append("../../qemu/QMP")
try:
import qmp
except:
print "can't find qmp"
raise SystemExit
from subprocess import Popen, PIPE
import os
import time
import socket
import datetime
import atexit
QMP_1, QMP_2 = "/tmp/migrate_test.1.qmp", "/tmp/migrate_test.2.qmp"
SPICE_PORT_1, SPICE_PORT_2 = 5911, 6911
MIGRATE_PORT = 9000
QEMU = "qemu.upstream"
LOG_FILENAME = "migrate_log.log"
IMAGE = "/store/images/f14_regular.qcow2"
qemu_exec = os.popen("which %s" % QEMU).read().strip()
def start_qemu(spice_port, qmp_filename, incoming_port=None):
incoming_args = []
if incoming_port:
incoming_args = ("-incoming tcp::%s" % incoming_port).split()
args = ([qemu_exec, "-qmp", "unix:%s,server,nowait" % qmp_filename,
"-spice", "disable-ticketing,port=%s" % spice_port]
+ incoming_args)
if os.path.exists(IMAGE):
args += ["-m", "512", "-drive",
"file=%s,index=0,media=disk,cache=unsafe" % IMAGE, "-snapshot"]
proc = Popen(args, executable=qemu_exec, stdin=PIPE, stdout=PIPE)
while not os.path.exists(qmp_filename):
time.sleep(0.1)
proc.qmp_filename = qmp_filename
proc.qmp = qmp.QEMUMonitorProtocol(qmp_filename)
while True:
try:
proc.qmp.connect()
break
except socket.error, err:
pass
proc.spice_port = spice_port
proc.incoming_port = incoming_port
return proc
def start_spicec(spice_port):
return Popen(("spicec -h localhost -p %s" % spice_port).split(), executable="spicec")
def wait_active(q, active):
events = ["RESUME"] if active else ["STOP"]
while True:
try:
ret = q.cmd("query-status")
except:
# ValueError
time.sleep(0.1)
continue
if ret and ret.has_key("return"):
if ret["return"]["running"] == active:
break
for e in q.get_events():
if e["event"] in events:
break
time.sleep(0.5)
def wait_for_event(q, event):
while True:
for e in q.get_events():
if e["event"] == event:
return
time.sleep(0.5)
def cleanup(*args):
print "doing cleanup"
os.system("killall %s" % qemu_exec)
for x in [QMP_1, QMP_2]:
if os.path.exists(x):
os.unlink(x)
#################### Main #######################
cleanup()
atexit.register(cleanup)
active = start_qemu(spice_port=SPICE_PORT_1, qmp_filename=QMP_1)
target = start_qemu(spice_port=SPICE_PORT_2, qmp_filename=QMP_2,
incoming_port=MIGRATE_PORT)
i = 0
spicec = None
log = open(LOG_FILENAME, "a+")
log.write("# "+str(datetime.datetime.now())+"\n")
while True:
wait_active(active.qmp, True)
wait_active(target.qmp, False)
if spicec == None:
spicec = start_spicec(spice_port=SPICE_PORT_1)
wait_for_event(active.qmp, 'SPICE_INITIALIZED')
print "waiting for Enter to start migrations"
raw_input()
active.qmp.cmd('client_migrate_info', {'protocol':'spice',
'hostname':'localhost', 'port':target.spice_port})
active.qmp.cmd('migrate', {'uri': 'tcp:localhost:%s' % MIGRATE_PORT})
wait_active(active.qmp, False)
wait_active(target.qmp, True)
wait_for_event(target.qmp, 'SPICE_CONNECTED')
dead = active
dead.qmp.cmd("quit")
dead.qmp.close()
dead.wait()
new_spice_port = dead.spice_port
new_qmp_filename = dead.qmp_filename
log.write("# STDOUT dead %s\n" % dead.pid)
log.write(dead.stdout.read())
del dead
active = target
target = start_qemu(spice_port=new_spice_port,
qmp_filename=new_qmp_filename,
incoming_port=MIGRATE_PORT)
print i
i += 1
|
