def get_recipe(self):
self.cmd_log.write('get_recipe: GET %s\n' % self.recipe_id)
path = make_path_bkrcache(self.recipe_id)
try:
rpath = self.labc_url + make_path_recipe(self.recipe_id)
utils.get_file(rpath, path)
except:
# local will fall through to here
if not os.path.isfile(path):
raise BkrProxyException("No remote or cached recipe %s" % self.recipe_id)
return open(path, 'r').read()
def get_recipe(self):
self.cmd_log.write('get_recipe: GET %s\n' % self.recipe_id)
path = make_path_bkrcache(self.recipe_id)
try:
rpath = self.labc_url + make_path_recipe(self.recipe_id)
utils.get_file(rpath, path)
except:
# local will fall through to here
if not os.path.isfile(path):
raise BkrProxyException("No remote or cached recipe %s" % self.recipe_id)
return open(path, 'r').read()
def _fetch_from_patchwork(self, pw_id):
"""
Gets a patch file from patchwork and puts it under the cwd so it can
be applied.
@param id: Patchwork patch id. It can be a string with comma separated
github ids.
"""
collection = os.path.join(
self.base_dir,
'patchwork-%s.patch' % utils.generate_random_string(4))
collection_rw = open(collection, 'w')
for i in pw_id.split(","):
patch_url = "http://%s/patch/%s/mbox/" % (self.pwhost, i)
patch_dest = os.path.join(self.base_dir, 'patchwork-%s.patch' % i)
patch = utils.get_file(patch_url, patch_dest)
# Patchwork sometimes puts garbage on the path, such as long
# sequences of underscores (_______). Get rid of those.
patch_ro = open(patch, 'r')
patch_contents = patch_ro.readlines()
patch_ro.close()
for line in patch_contents:
if not line.startswith("___"):
collection_rw.write(line)
collection_rw.close()
return collection
def _fetch_from_patchwork(self, pw_id):
"""
Gets a patch file from patchwork and puts it under the cwd so it can
be applied.
:param id: Patchwork patch id. It can be a string with comma separated
github ids.
"""
collection = os.path.join(self.base_dir, 'patchwork-%s.patch' %
utils.generate_random_string(4))
collection_rw = open(collection, 'w')
for i in pw_id.split(","):
patch_url = "http://%s/patch/%s/mbox/" % (self.pwhost, i)
patch_dest = os.path.join(self.base_dir, 'patchwork-%s.patch' % i)
patch = utils.get_file(patch_url, patch_dest)
# Patchwork sometimes puts garbage on the path, such as long
# sequences of underscores (_______). Get rid of those.
patch_ro = open(patch, 'r')
patch_contents = patch_ro.readlines()
patch_ro.close()
for line in patch_contents:
if not line.startswith("___"):
collection_rw.write(line)
collection_rw.close()
return collection
def _fetch_from_patchwork(self, id):
"""
Gets a patch file from patchwork and puts it under the cwd so it can
be applied.
@param id: Patchwork patch id.
"""
patch_url = "http://patchwork.test.kernel.org/patch/%s/mbox/" % id
patch_dest = os.path.join(self.base_dir, 'patchwork-%s.patch' % id)
patch = utils.get_file(patch_url, patch_dest)
# Patchwork sometimes puts garbage on the path, such as long
# sequences of underscores (_______). Get rid of those.
patch_ro = open(patch, 'r')
patch_contents = patch_ro.readlines()
patch_ro.close()
patch_rw = open(patch, 'w')
for line in patch_contents:
if not line.startswith("___"):
patch_rw.write(line)
patch_rw.close()
return patch
def _fetch_from_patchwork(self, id):
"""
Gets a patch file from patchwork and puts it under the cwd so it can
be applied.
@param id: Patchwork patch id.
"""
patch_url = "http://patchwork.test.kernel.org/patch/%s/mbox/" % id
patch_dest = os.path.join(self.base_dir, 'patchwork-%s.patch' % id)
patch = utils.get_file(patch_url, patch_dest)
# Patchwork sometimes puts garbage on the path, such as long
# sequences of underscores (_______). Get rid of those.
patch_ro = open(patch, 'r')
patch_contents = patch_ro.readlines()
patch_ro.close()
patch_rw = open(patch, 'w')
for line in patch_contents:
if not line.startswith("___"):
patch_rw.write(line)
patch_rw.close()
return patch
def run_migration_with_netperf(test, params, env):
"""
KVM migration test:
1) Start a guest.
2) Start netperf server in guest.
3) Start multi netperf clients in host.
4) Migrate the guest in local during netperf clients working.
5) Repeatedly migrate VM and wait until netperf clients stopped.
:param test: QEMU test object.
:param params: Dictionary with test parameters.
:param env: Dictionary with the test environment.
"""
def start_netperf_server():
netserver_cmd = params.get("netserver_cmd")
(status, output) = session.cmd_status_output(netserver_cmd,
timeout=netperf_timeout)
if status:
raise error.TestFail("Fail to start netserver:\n %s" % output)
def start_netperf_client(i=0):
logging.info("Netperf_%s" % i)
try:
netperf_output = utils.system_output(netperf_cmd)
open("Netperf_%s" % i, "w").write(netperf_output)
except OSError:
pass
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
login_timeout = int(params.get("login_timeout", 360))
session = vm.wait_for_login(timeout=login_timeout)
mig_timeout = float(params.get("mig_timeout", "3600"))
cmd_timeout = int(params.get("cmd_timeout", "360"))
mig_protocol = params.get("migration_protocol", "tcp")
mig_cancel_delay = int(params.get("mig_cancel") == "yes") * 2
cleanup_cmd = params.get("cleanup_cmd")
netperf_timeout = int(params.get("netperf_timeout", "300"))
client_num = int(params.get("client_num", "100"))
bg_list = []
m_count = 0
try:
session.cmd("service iptables stop")
error.context("Setup netperf server in guest.", logging.info)
netperf_dir = os.path.join(os.environ['AUTODIR'], "tests/netperf2")
for i in params.get("netperf_files").split():
vm.copy_files_to("%s/%s" % (netperf_dir, i), "/tmp")
utils.get_file("%s/%s" % (netperf_dir, i), "/tmp/%s" % i)
setup_cmd = params.get("setup_cmd")
session.cmd(setup_cmd, timeout=cmd_timeout)
error.context("Setup netperf client in host.", logging.info)
utils.system(setup_cmd)
netperf_cmd = params.get("netperf_cmd") % (vm.get_address(),
netperf_timeout)
error.context("Start netserver in guest.", logging.info)
bg_list.append(utils.InterruptedThread(start_netperf_server))
if bg_list[0]:
bg_list[0].start()
# Wait netserver start in guest.
ses = vm.wait_for_login(timeout=login_timeout)
n_cmd = params.get("netserver_check_cmd", "ps -a | grep netserver")
utils_misc.wait_for(lambda: not ses.cmd_status(n_cmd), 30, 2, 2)
if ses:
ses.close()
for i in xrange(1, client_num + 1):
bg_list.append(utils.InterruptedThread(start_netperf_client, (i,)))
bg_list[i].start()
while True:
m_count += 1
error.context("Start migration iterations: %s " % m_count,
logging.info)
vm.migrate(mig_timeout, mig_protocol, mig_cancel_delay)
if not bg_list[-1].isAlive():
logging.info("Background Netperf finished.")
break
finally:
try:
for b in bg_list:
if b:
b.join(timeout=10, suppress_exception=True)
finally:
session.cmd("killall -9 netserver ; echo 1", timeout=cmd_timeout)
if cleanup_cmd:
utils.system(cleanup_cmd)
session.cmd(cleanup_cmd)
if session:
session.close()
def run_migration_with_netperf(test, params, env):
"""
KVM migration test:
1) Start a guest.
2) Start netperf server in guest.
3) Start multi netperf clients in host.
4) Migrate the guest in local during netperf clients working.
5) Repeatedly migrate VM and wait until netperf clients stopped.
@param test: QEMU test object.
@param params: Dictionary with test parameters.
@param env: Dictionary with the test environment.
"""
def start_netperf_server():
netserver_cmd = params.get("netserver_cmd")
(status, output) = session.cmd_status_output(netserver_cmd,
timeout=netperf_timeout)
if status:
raise error.TestFail("Fail to start netserver:\n %s" % output)
def start_netperf_client(i=0):
logging.info("Netperf_%s" % i)
try:
netperf_output = utils.system_output(netperf_cmd)
open("Netperf_%s" % i, "w").write(netperf_output)
except OSError:
pass
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
login_timeout = int(params.get("login_timeout", 360))
session = vm.wait_for_login(timeout=login_timeout)
mig_timeout = float(params.get("mig_timeout", "3600"))
cmd_timeout = int(params.get("cmd_timeout", "360"))
mig_protocol = params.get("migration_protocol", "tcp")
mig_cancel_delay = int(params.get("mig_cancel") == "yes") * 2
cleanup_cmd = params.get("cleanup_cmd")
netperf_timeout = int(params.get("netperf_timeout", "300"))
client_num = int(params.get("client_num", "100"))
bg_list = []
m_count = 0
try:
session.cmd("service iptables stop")
error.context("Setup netperf server in guest.", logging.info)
netperf_dir = os.path.join(os.environ['AUTODIR'], "tests/netperf2")
for i in params.get("netperf_files").split():
vm.copy_files_to("%s/%s" % (netperf_dir, i), "/tmp")
utils.get_file("%s/%s" % (netperf_dir, i), "/tmp/%s" %i)
setup_cmd = params.get("setup_cmd")
session.cmd(setup_cmd, timeout=cmd_timeout)
error.context("Setup netperf client in host.", logging.info)
utils.system(setup_cmd)
netperf_cmd = params.get("netperf_cmd") % (vm.get_address(),
netperf_timeout)
error.context("Start netserver in guest.", logging.info)
bg_list.append(utils.InterruptedThread(start_netperf_server))
if bg_list[0]:
bg_list[0].start()
# Wait netserver start in guest.
ses = vm.wait_for_login(timeout=login_timeout)
n_cmd = params.get("netserver_check_cmd", "ps -a | grep netserver")
utils_misc.wait_for(lambda: not ses.cmd_status(n_cmd), 30, 2, 2)
if ses:
ses.close()
for i in xrange(1, client_num + 1):
bg_list.append(utils.InterruptedThread(start_netperf_client, (i,)))
bg_list[i].start()
while True:
m_count += 1
error.context("Start migration iterations: %s " % m_count,
logging.info)
vm.migrate(mig_timeout, mig_protocol, mig_cancel_delay)
if not bg_list[-1].isAlive():
logging.info("Background Netperf finished.")
break
finally:
try:
for b in bg_list:
if b:
b.join(timeout=10, suppress_exception=True)
finally:
session.cmd("killall -9 netserver ; echo 1", timeout=cmd_timeout)
if cleanup_cmd:
utils.system(cleanup_cmd)
session.cmd(cleanup_cmd)
if session:
session.close()
