def create_vg_if_not_found(vgUuid, diskPaths, hostUuid, forceWipe=False):
@linux.retry(times=5, sleep_time=random.uniform(0.1, 3))
def find_vg(vgUuid):
cmd = shell.ShellCmd("vgs %s -otags | grep %s" %
(vgUuid, INIT_TAG))
cmd(is_exception=False)
if cmd.return_code != 0:
raise RetryException("can not find vg %s with tag %s" %
(vgUuid, INIT_TAG))
return True
try:
find_vg(vgUuid)
except RetryException as e:
if forceWipe is True:
lvm.wipe_fs(diskPaths)
cmd = shell.ShellCmd(
"vgcreate -qq --shared --addtag '%s::%s::%s' --metadatasize %s %s %s"
% (INIT_TAG, hostUuid, time.time(), DEFAULT_VG_METADATA_SIZE,
vgUuid, " ".join(diskPaths)))
cmd(is_exception=False)
logger.debug("created vg %s, ret: %s, stdout: %s, stderr: %s" %
(vgUuid, cmd.return_code, cmd.stdout, cmd.stderr))
if cmd.return_code == 0 and find_vg(vgUuid) is True:
return True
if find_vg(vgUuid) is False:
raise Exception(
"can not find vg %s with disks: %s and create vg return: %s %s %s "
% (vgUuid, diskPaths, cmd.return_code, cmd.stdout,
cmd.stderr))
except Exception as e:
raise e
return False
def create_vg_if_not_found(vgUuid, diskPaths, hostUuid, forceWipe=False):
@linux.retry(times=3, sleep_time=random.uniform(0.1, 3))
def find_vg(vgUuid):
cmd = shell.ShellCmd("vgs %s -otags | grep %s" % (vgUuid, INIT_TAG))
cmd(is_exception=False)
if cmd.return_code != 0:
raise RetryException("can not find vg %s with tag %s" % (vgUuid, INIT_TAG))
return True
try:
find_vg(vgUuid)
except RetryException:
if forceWipe is True:
lvm.wipe_fs(diskPaths)
r, o, e = bash.bash_roe("vgcreate --shared --addtag '%s::%s::%s' --metadatasize %s %s %s" %
(INIT_TAG, hostUuid, time.time(),
DEFAULT_VG_METADATA_SIZE, vgUuid, " ".join(diskPaths)))
if r == 0:
return True
if find_vg(vgUuid) is False:
raise Exception("can not find vg %s with disks: %s and create failed for %s " %
(vgUuid, diskPaths, e))
except Exception as e:
raise e
return False
def create_vg_if_not_found(vgUuid, diskPaths, hostUuid, forceWipe=False):
@linux.retry(times=5, sleep_time=random.uniform(0.1, 3))
def find_vg(vgUuid, raise_exception=True):
cmd = shell.ShellCmd(
"timeout 5 vgscan --ignorelockingfailure; vgs --nolocking %s -otags | grep %s"
% (vgUuid, INIT_TAG))
cmd(is_exception=False)
if cmd.return_code != 0 and raise_exception:
raise RetryException("can not find vg %s with tag %s" %
(vgUuid, INIT_TAG))
elif cmd.return_code != 0:
return False
return True
try:
find_vg(vgUuid)
except RetryException as e:
if forceWipe is True:
running_vm = bash.bash_o(
"virsh list | grep running | awk '{print $2}'").strip(
).split()
if running_vm != [] and running_vm[0] != "":
for vm in running_vm:
bash.bash_r("virsh destroy %s" % vm)
r = bash.bash_r("drbdadm down all")
if r == 0:
bash.bash_r("mkdir -p %s" % BACKUP_DIR)
bash.bash_r("mv /etc/drbd.d/*.res %s" % BACKUP_DIR)
lvm.wipe_fs(diskPaths, vgUuid)
cmd = shell.ShellCmd(
"vgcreate -qq --addtag '%s::%s::%s::%s' --metadatasize %s %s %s"
% (INIT_TAG, hostUuid, time.time(),
bash.bash_o("hostname").strip(), DEFAULT_VG_METADATA_SIZE,
vgUuid, " ".join(diskPaths)))
cmd(is_exception=False)
logger.debug("created vg %s, ret: %s, stdout: %s, stderr: %s" %
(vgUuid, cmd.return_code, cmd.stdout, cmd.stderr))
if cmd.return_code == 0 and find_vg(vgUuid, False) is True:
return True
try:
if find_vg(vgUuid) is True:
return True
except RetryException as ee:
raise Exception(
"can not find vg %s with disks: %s and create vg return: %s %s %s "
% (vgUuid, diskPaths, cmd.return_code, cmd.stdout,
cmd.stderr))
except Exception as ee:
raise ee
except Exception as e:
raise e
return False
def add_disk(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
disk = CheckDisk(cmd.diskUuid)
command = shell.ShellCmd("vgs --nolocking %s -otags | grep %s" % (cmd.vgUuid, INIT_TAG))
command(is_exception=False)
if command.return_code != 0:
self.create_vg_if_not_found(cmd.vgUuid, [disk.get_path()], cmd.hostUuid, cmd.forceWipe)
else:
lvm.check_gl_lock()
if cmd.forceWipe is True:
lvm.wipe_fs([disk.get_path()], cmd.vgUuid)
lvm.add_pv(cmd.vgUuid, disk.get_path(), DEFAULT_VG_METADATA_SIZE)
rsp = AgentRsp
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def add_disk(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
disk = CheckDisk(cmd.diskUuid)
command = shell.ShellCmd("vgs %s -otags | grep %s" % (cmd.vgUuid, INIT_TAG))
command(is_exception=False)
if command.return_code != 0:
self.create_vg_if_not_found(cmd.vgUuid, [disk.get_path()], cmd.hostUuid, cmd.forceWipe)
else:
lvm.check_gl_lock()
if cmd.forceWipe is True:
lvm.wipe_fs([disk.get_path()], cmd.vgUuid)
lvm.add_pv(cmd.vgUuid, disk.get_path(), DEFAULT_VG_METADATA_SIZE)
rsp = AgentRsp
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def create_vg_if_not_found(vgUuid, diskPaths, hostUuid, forceWipe=False):
@linux.retry(times=5, sleep_time=random.uniform(0.1, 3))
def find_vg(vgUuid, raise_exception = True):
cmd = shell.ShellCmd("timeout 5 vgscan --ignorelockingfailure; vgs --nolocking %s -otags | grep %s" % (vgUuid, INIT_TAG))
cmd(is_exception=False)
if cmd.return_code != 0 and raise_exception:
raise RetryException("can not find vg %s with tag %s" % (vgUuid, INIT_TAG))
elif cmd.return_code != 0:
return False
return True
try:
find_vg(vgUuid)
except RetryException as e:
if forceWipe is True:
lvm.wipe_fs(diskPaths, vgUuid)
cmd = shell.ShellCmd("vgcreate -qq --shared --addtag '%s::%s::%s::%s' --metadatasize %s %s %s" %
(INIT_TAG, hostUuid, time.time(), bash.bash_o("hostname").strip(),
DEFAULT_VG_METADATA_SIZE, vgUuid, " ".join(diskPaths)))
cmd(is_exception=False)
logger.debug("created vg %s, ret: %s, stdout: %s, stderr: %s" %
(vgUuid, cmd.return_code, cmd.stdout, cmd.stderr))
if cmd.return_code == 0 and find_vg(vgUuid, False) is True:
return True
try:
if find_vg(vgUuid) is True:
return True
except RetryException as ee:
raise Exception("can not find vg %s with disks: %s and create vg return: %s %s %s " %
(vgUuid, diskPaths, cmd.return_code, cmd.stdout, cmd.stderr))
except Exception as ee:
raise ee
except Exception as e:
raise e
return False
