def get_device_info(self, dev_name):
# type: (str) -> FiberChannelLunStruct
s = FiberChannelLunStruct()
o = shell.call(
"lsblk --pair -b -p -o NAME,VENDOR,MODEL,WWN,SERIAL,HCTL,TYPE,SIZE /dev/%s"
% dev_name).strip().split("\n")[0]
if o == "":
raise Exception("can not get device information from %s" %
dev_name)
def get_data(e):
return e.split("=")[1].strip().strip('"')
def get_wwids(dev):
return shell.call(
"udevadm info -n %s | grep 'by-id' | grep -v DEVLINKS | awk -F 'by-id/' '{print $2}'"
% dev).strip().split()
def get_path(dev):
return shell.call(
"udevadm info -n %s | grep 'by-path' | grep -v DEVLINKS | head -n1 | awk -F 'by-path/' '{print $2}'"
% dev).strip()
def get_storage_wwnn(hctl):
o = shell.call(
"systool -c fc_transport -A node_name | grep '\"target%s\"' -B2 | grep node_name | awk '{print $NF}'"
% ":".join(hctl.split(":")[0:3]))
return o.strip().strip('"')
for entry in o.split('" '): # type: str
if entry.startswith("VENDOR"):
s.vendor = get_data(entry)
elif entry.startswith("MODEL"):
s.model = get_data(entry)
elif entry.startswith("WWN"):
s.wwn = get_data(entry)
elif entry.startswith("SERIAL"):
s.serial = get_data(entry)
elif entry.startswith('HCTL'):
s.hctl = get_data(entry)
elif entry.startswith('SIZE'):
s.size = get_data(entry)
elif entry.startswith('TYPE'):
s.type = get_data(entry)
s.wwids = get_wwids(dev_name)
s.wwids.sort()
s.path = get_path(dev_name)
if lvm.is_slave_of_multipath("/dev/%s" % dev_name):
s.type = "mpath"
wwid = bash.bash_o(
"multipath -l /dev/%s | head -n1 | awk '{print $2}'" %
dev_name).strip().strip("()")
s.wwids = [wwid] if wwid != "" else s.wwids
s.storageWwnn = get_storage_wwnn(s.hctl)
return s
def get_device_info(self, dev_name):
# type: (str) -> FiberChannelLunStruct
s = FiberChannelLunStruct()
o = shell.call(
"lsblk --pair -b -p -o NAME,VENDOR,MODEL,WWN,SERIAL,HCTL,TYPE,SIZE /dev/%s" % dev_name).strip().split("\n")[0]
if o == "":
raise Exception("can not get device information from %s" % dev_name)
def get_data(e):
return e.split("=")[1].strip().strip('"')
def get_wwids(dev):
return shell.call(
"udevadm info -n %s | grep 'by-id' | grep -v DEVLINKS | awk -F 'by-id/' '{print $2}'" % dev).strip().split()
def get_path(dev):
return shell.call(
"udevadm info -n %s | grep 'by-path' | grep -v DEVLINKS | head -n1 | awk -F 'by-path/' '{print $2}'" % dev).strip()
def get_storage_wwnn(hctl):
o = shell.call(
"systool -c fc_transport -A node_name | grep '\"target%s\"' -B2 | grep node_name | awk '{print $NF}'" % ":".join(hctl.split(":")[0:3]))
return o.strip().strip('"')
for entry in o.split('" '): # type: str
if entry.startswith("VENDOR"):
s.vendor = get_data(entry)
elif entry.startswith("MODEL"):
s.model = get_data(entry)
elif entry.startswith("WWN"):
s.wwn = get_data(entry)
elif entry.startswith("SERIAL"):
s.serial = get_data(entry)
elif entry.startswith('HCTL'):
s.hctl = get_data(entry)
elif entry.startswith('SIZE'):
s.size = get_data(entry)
elif entry.startswith('TYPE'):
s.type = get_data(entry)
s.wwids = get_wwids(dev_name)
s.wwids.sort()
s.path = get_path(dev_name)
if lvm.is_slave_of_multipath("/dev/%s" % dev_name):
s.type = "mpath"
wwid = bash.bash_o("multipath -l /dev/%s | head -n1 | awk '{print $2}'" % dev_name).strip().strip("()")
s.wwids = [wwid] if wwid != "" else s.wwids
s.storageWwnn = get_storage_wwnn(s.hctl)
return s
def get_disk_info_by_path(path):
# type: (str) -> IscsiLunStruct
abs_path = bash.bash_o("readlink -e /dev/disk/by-path/%s" % path).strip()
candidate_struct = lvm.get_device_info(abs_path.split("/")[-1])
lun_struct = IscsiLunStruct()
lun_struct.path = path
lun_struct.size = candidate_struct.size
lun_struct.hctl = candidate_struct.hctl
lun_struct.serial = candidate_struct.serial
lun_struct.model = candidate_struct.model
lun_struct.vendor = candidate_struct.vendor
lun_struct.type = candidate_struct.type
lun_struct.wwn = candidate_struct.wwn
lun_struct.wwids = candidate_struct.wwids
if lvm.is_slave_of_multipath(abs_path):
lun_struct.type = "mpath"
mpath_wwid = bash.bash_o("multipath -l %s | head -n1 | awk '{print $2}'" % abs_path).strip("() \n")
lun_struct.wwids = [mpath_wwid]
return lun_struct
def get_disk_info_by_path(path):
# type: (str) -> IscsiLunStruct
abs_path = bash.bash_o("readlink -e /dev/disk/by-path/%s" % path).strip()
candidate_struct = lvm.get_device_info(abs_path.split("/")[-1])
lun_struct = IscsiLunStruct()
lun_struct.path = path
lun_struct.size = candidate_struct.size
lun_struct.hctl = candidate_struct.hctl
lun_struct.serial = candidate_struct.serial
lun_struct.model = candidate_struct.model
lun_struct.vendor = candidate_struct.vendor
lun_struct.type = candidate_struct.type
lun_struct.wwn = candidate_struct.wwn
lun_struct.wwids = candidate_struct.wwids
if lvm.is_slave_of_multipath(abs_path):
lun_struct.type = "mpath"
mpath_wwid = bash.bash_o("multipath -l %s | head -n1 | awk '{print $2}'" % abs_path).strip("() \n")
lun_struct.wwids = [mpath_wwid]
return lun_struct
def get_disk_info_by_path(path):
# type: (str) -> IscsiLunStruct
r = bash.bash_r(
"multipath -l | grep -e '/multipath.conf' | grep -e 'line'")
if r == 0:
current_hostname = shell.call('hostname')
current_hostname = current_hostname.strip(' \t\n\r')
raise Exception(
"The multipath.conf setting on host[%s] may be error, please check and try again"
% current_hostname)
abs_path = bash.bash_o("readlink -e /dev/disk/by-path/%s" %
path).strip()
candidate_struct = lvm.get_device_info(abs_path.split("/")[-1])
if candidate_struct is None:
return None
lun_struct = IscsiLunStruct()
lun_struct.path = path
lun_struct.size = candidate_struct.size
lun_struct.hctl = candidate_struct.hctl
lun_struct.serial = candidate_struct.serial
lun_struct.model = candidate_struct.model
lun_struct.vendor = candidate_struct.vendor
lun_struct.type = candidate_struct.type
lun_struct.wwn = candidate_struct.wwn
lun_struct.wwids = candidate_struct.wwids
if lvm.is_slave_of_multipath(abs_path):
lun_struct.type = "mpath"
if kvmagent.get_host_os_type() == "debian":
mpath_wwid = bash.bash_o(
"multipath -l %s | head -n1 | awk '{print $1}'" %
abs_path).strip()
else:
mpath_wwid = bash.bash_o(
"multipath -l %s | head -n1 | awk '{print $2}'" %
abs_path).strip("() \n")
lun_struct.wwids = [mpath_wwid]
return lun_struct
def get_device_info(self, dev_name, rescan):
# type: (str) -> FiberChannelLunStruct
s = FiberChannelLunStruct()
# rescan disk size
if rescan:
_cmd = shell.ShellCmd("echo 1 > /sys/block/%s/device/rescan" %
dev_name.strip())
_cmd(is_exception=False)
logger.debug(
"rescaned disk %s, return code: %s, stdout %s, stderr: %s" %
(dev_name, _cmd.return_code, _cmd.stdout, _cmd.stderr))
r, o, e = bash.bash_roe(
"lsblk --pair -b -p -o NAME,VENDOR,MODEL,WWN,SERIAL,HCTL,TYPE,SIZE /dev/%s"
% dev_name, False)
if r != 0 or o.strip() == "":
logger.warn("can not get device information from %s" % dev_name)
return None
o = o.strip().splitlines()[0]
def get_data(e):
return e.split("=")[1].strip().strip('"')
def get_wwids(dev):
return shell.call(
"udevadm info -n %s | grep 'by-id' | grep -v DEVLINKS | awk -F 'by-id/' '{print $2}'"
% dev).strip().split()
def get_path(dev):
return shell.call(
"udevadm info -n %s | grep 'by-path' | grep -v DEVLINKS | head -n1 | awk -F 'by-path/' '{print $2}'"
% dev).strip()
def get_storage_wwnn(hctl):
o = shell.call(
"systool -c fc_transport -A node_name | grep '\"target%s\"' -B2 | grep node_name | awk '{print $NF}'"
% ":".join(hctl.split(":")[0:3]))
return o.strip().strip('"')
for entry in o.split('" '): # type: str
if entry.startswith("VENDOR"):
s.vendor = get_data(entry)
elif entry.startswith("MODEL"):
s.model = get_data(entry)
elif entry.startswith("WWN"):
s.wwn = get_data(entry)
elif entry.startswith("SERIAL"):
s.serial = get_data(entry)
elif entry.startswith('HCTL'):
s.hctl = get_data(entry)
elif entry.startswith('SIZE'):
s.size = get_data(entry)
elif entry.startswith('TYPE'):
s.type = get_data(entry)
s.wwids = get_wwids(dev_name)
s.wwids.sort()
s.path = get_path(dev_name)
if lvm.is_slave_of_multipath("/dev/%s" % dev_name):
s.type = "mpath"
if kvmagent.get_host_os_type() == "debian":
wwid = bash.bash_o(
"multipath -l /dev/%s | head -n1 | awk '{print $1}'" %
dev_name).strip()
else:
wwid = bash.bash_o(
"multipath -l /dev/%s | head -n1 | awk '{print $2}'" %
dev_name).strip().strip("()")
s.wwids = [wwid] if wwid != "" else s.wwids
s.storageWwnn = get_storage_wwnn(s.hctl)
return s