def form_conf_mpath_file(blacklist="", defaults_extra=""):
"""
Form a multipath configuration file, and restart multipath service.
:param blacklist: Entry in conf file to indicate blacklist section.
:param defaults_extra: Extra entry in conf file in defaults section.
"""
conf_file = "/etc/multipath.conf"
with open(conf_file, "w", encoding='utf-8') as mpath_fp:
mpath_fp.write("defaults {\n")
mpath_fp.write(" find_multipaths yes\n")
mpath_fp.write(" user_friendly_names yes\n")
if defaults_extra:
mpath_fp.write(f" {defaults_extra}\n")
mpath_fp.write("}\n")
if blacklist:
mpath_fp.write("blacklist {\n")
mpath_fp.write(f" {blacklist}\n")
mpath_fp.write("}\n")
LOG.debug(open(conf_file, "r", encoding='utf-8').read())
# The reason for sleep here is to give some time for change in
# multipath.conf file to take effect.
time.sleep(5)
mpath_svc = service.SpecificServiceManager(get_svc_name())
mpath_svc.restart()
wait.wait_for(mpath_svc.status, timeout=10)
def setUp(self):
"""
Set up.
"""
# Install needed packages
dist = distro.detect()
pkg_name = ""
svc_name = ""
if dist.name == 'Ubuntu':
pkg_name += "multipath-tools"
svc_name = "multipath-tools"
elif dist.name == 'SuSE':
pkg_name += "multipath-tools"
svc_name = "multipathd"
else:
pkg_name += "device-mapper-multipath"
svc_name = "multipathd"
smm = SoftwareManager()
if not smm.check_installed(pkg_name) and not smm.install(pkg_name):
self.skip("Can not install %s" % pkg_name)
# Create service object
self.mpath_svc = service.SpecificServiceManager(svc_name)
self.mpath_svc.restart()
# Check if multipath devices are present in system
self.wwids = multipath.get_multipath_wwids()
if self.wwids == ['']:
self.skip("No Multipath Devices")
# Take a backup of current config file
self.mpath_file = "/etc/multipath.conf"
if os.path.isfile(self.mpath_file):
shutil.copyfile(self.mpath_file, "%s.bkp" % self.mpath_file)
self.mpath_list = []
# Find all details of multipath devices
for wwid in self.wwids:
if wwid not in process.system_output('multipath -ll',
ignore_status=True,
shell=True):
continue
self.mpath_dic = {}
self.mpath_dic["wwid"] = wwid
self.mpath_dic["name"] = multipath.get_mpath_name(wwid)
self.mpath_dic["paths"] = multipath.get_paths(wwid)
self.mpath_dic["policy"] = multipath.get_policy(wwid)
self.mpath_dic["size"] = multipath.get_size(wwid)
self.mpath_list.append(self.mpath_dic)
pprint(self.mpath_list)
def setUp(self):
"""
Set up.
"""
self.policy = self.params.get('policy', default='service-time')
self.policies = ["service-time", "round-robin", "queue-length"]
# We will remove and add the policy back, so that this becomes
# the last member of the list. This is done so that in the
# policy change test later, this policy is set in the last
# iteration.
self.policies.remove(self.policy)
self.policies.append(self.policy)
# Install needed packages
dist = distro.detect()
pkg_name = ""
svc_name = ""
if dist.name == 'Ubuntu':
pkg_name += "multipath-tools"
svc_name = "multipath-tools"
elif dist.name == 'SuSE':
pkg_name += "multipath-tools"
svc_name = "multipathd"
else:
pkg_name += "device-mapper-multipath"
svc_name = "multipathd"
smm = SoftwareManager()
if not smm.check_installed(pkg_name) and not smm.install(pkg_name):
self.cancel("Can not install %s" % pkg_name)
# Check if given multipath devices are present in system
self.wwids = self.params.get('wwids', default='').split(',')
system_wwids = multipath.get_multipath_wwids()
wwids_to_remove = []
for wwid in self.wwids:
if wwid not in system_wwids:
self.log.info("%s not present in the system", wwid)
wwids_to_remove.append(wwid)
for wwid in wwids_to_remove:
self.wwids.remove(wwid)
if self.wwids == []:
self.cancel("No Multipath Devices Given")
# Create service object
self.mpath_svc = service.SpecificServiceManager(svc_name)
self.mpath_svc.restart()
wait.wait_for(self.mpath_svc.status, timeout=10)
# Take a backup of current config file
self.mpath_file = "/etc/multipath.conf"
if os.path.isfile(self.mpath_file):
shutil.copyfile(self.mpath_file, "%s.bkp" % self.mpath_file)
self.mpath_list = []
# Find all details of multipath devices
for wwid in self.wwids:
if wwid not in process.system_output('multipath -ll',
ignore_status=True,
shell=True).decode("utf-8"):
continue
self.mpath_dic = {}
self.mpath_dic["wwid"] = wwid
self.mpath_dic["name"] = multipath.get_mpath_name(wwid)
self.mpath_dic["paths"] = multipath.get_paths(wwid)
self.mpath_dic["policy"] = multipath.get_policy(wwid)
self.mpath_dic["size"] = multipath.get_size(wwid)
self.mpath_list.append(self.mpath_dic)
pprint(self.mpath_list)