def do_convert(args):
volume_abs_path = args[1]
raw_volume_abs_path = volume_abs_path + RAW_SUFFIX
qcow2_volume_abs_path = volume_abs_path + QCOW2_SUFFIX
check(volume_abs_path, raw_volume_abs_path)
volume_size = lvm.get_lv_size(volume_abs_path)
lvm.create_lv_from_absolute_path(raw_volume_abs_path, volume_size)
with lvm.RecursiveOperateLv(volume_abs_path,
shared=False,
delete_when_exception=False):
with lvm.OperateLv(raw_volume_abs_path,
shared=False,
delete_when_exception=False):
lvm.add_lv_tag(volume_abs_path, START_TAG)
r, o, e = qcow2_convert_to_raw(volume_abs_path,
raw_volume_abs_path)
if r != 0:
logger.warn("convert failed: %s, removing tag and raw volume")
lvm.clean_lv_tag(volume_abs_path, START_TAG)
lvm.delete_lv(raw_volume_abs_path)
return
lvm.add_lv_tag(volume_abs_path, DONE_TAG)
lvm.clean_lv_tag(volume_abs_path, START_TAG)
lvm.lv_rename(volume_abs_path,
qcow2_volume_abs_path,
overwrite=False)
lvm.lv_rename(raw_volume_abs_path,
volume_abs_path,
overwrite=False)
def migrate_volumes(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
for struct in cmd.migrateVolumeStructs:
target_abs_path = translate_absolute_path_from_install_path(struct.targetInstallPath)
current_abs_path = translate_absolute_path_from_install_path(struct.currentInstallPath)
with lvm.OperateLv(current_abs_path, shared=True):
virtual_size = lvm.get_lv_size(current_abs_path)
if lvm.lv_exists(target_abs_path):
target_ps_uuid = get_primary_storage_uuid_from_install_path(struct.targetInstallPath)
raise Exception("found %s already exists on ps %s" %
(target_abs_path, target_ps_uuid))
lvm.create_lv_from_absolute_path(target_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
lvm.active_lv(target_abs_path, lvm.LvmlockdLockType.SHARE)
try:
for struct in cmd.migrateVolumeStructs:
target_abs_path = translate_absolute_path_from_install_path(struct.targetInstallPath)
current_abs_path = translate_absolute_path_from_install_path(struct.currentInstallPath)
with lvm.OperateLv(current_abs_path, shared=True):
bash.bash_errorout("cp %s %s" % (current_abs_path, target_abs_path))
for struct in cmd.migrateVolumeStructs:
target_abs_path = translate_absolute_path_from_install_path(struct.targetInstallPath)
current_abs_path = translate_absolute_path_from_install_path(struct.currentInstallPath)
with lvm.RecursiveOperateLv(current_abs_path, shared=True):
previous_ps_uuid = get_primary_storage_uuid_from_install_path(struct.currentInstallPath)
target_ps_uuid = get_primary_storage_uuid_from_install_path(struct.targetInstallPath)
current_backing_file = linux.qcow2_get_backing_file(current_abs_path) # type: str
target_backing_file = current_backing_file.replace(previous_ps_uuid, target_ps_uuid)
if current_backing_file is not None and current_backing_file != "":
lvm.do_active_lv(target_backing_file, lvm.LvmlockdLockType.SHARE, False)
logger.debug("rebase %s to %s" % (target_abs_path, target_backing_file))
linux.qcow2_rebase_no_check(target_backing_file, target_abs_path)
if struct.compareQcow2:
bash.bash_errorout("time qemu-img compare %s %s" % (current_abs_path, target_abs_path))
except Exception as e:
for struct in cmd.migrateVolumeStructs:
target_abs_path = translate_absolute_path_from_install_path(struct.targetInstallPath)
if struct.currentInstallPath == struct.targetInstallPath:
logger.debug("current install path %s equals target %s, skip to delete" %
(struct.currentInstallPath, struct.targetInstallPath))
else:
logger.debug("error happened, delete lv %s" % target_abs_path)
lvm.delete_lv(target_abs_path, False)
raise e
finally:
for struct in cmd.migrateVolumeStructs:
target_abs_path = translate_absolute_path_from_install_path(struct.targetInstallPath)
lvm.deactive_lv(target_abs_path)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def do_delete_bits(self, path):
install_abs_path = translate_absolute_path_from_install_path(path)
if lvm.has_lv_tag(install_abs_path, IMAGE_TAG):
logger.info('deleting lv image: ' + install_abs_path)
lvm.delete_image(install_abs_path, IMAGE_TAG)
else:
logger.info('deleting lv volume: ' + install_abs_path)
lvm.delete_lv(install_abs_path)
def do_delete_bits(self, path):
install_abs_path = translate_absolute_path_from_install_path(path)
if lvm.has_lv_tag(install_abs_path, IMAGE_TAG):
logger.info('deleting lv image: ' + install_abs_path)
lvm.delete_image(install_abs_path, IMAGE_TAG)
else:
logger.info('deleting lv volume: ' + install_abs_path)
lvm.delete_lv(install_abs_path)
def __exit__(self, exc_type, exc_val, exc_tb):
if exc_val is not None and self.delete_when_exception is True:
self.resource.destroy()
lvm.delete_lv(self.resource.config.local_host.disk, False)
return
if self.current_role == DrbdRole.Secondary and not self.shared:
self.resource.demote()
def create_empty_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = VolumeRsp()
install_abs_path = get_absolute_path_from_install_path(cmd.installPath)
drbdResource = drbd.DrbdResource(
self.get_name_from_installPath(cmd.installPath), False)
drbdResource.config.local_host.hostname = cmd.local_host_name
drbdResource.config.local_host.disk = install_abs_path
drbdResource.config.local_host.minor = cmd.local_host_port - DRBD_START_PORT
drbdResource.config.local_host.address = "%s:%s" % (
cmd.local_address, cmd.local_host_port)
drbdResource.config.remote_host.hostname = cmd.remote_host_name
drbdResource.config.remote_host.disk = install_abs_path
drbdResource.config.remote_host.minor = cmd.remote_host_port - DRBD_START_PORT
drbdResource.config.remote_host.address = "%s:%s" % (
cmd.remote_address, cmd.remote_host_port)
drbdResource.config.write_config()
try:
if cmd.backingFile:
backing_abs_path = get_absolute_path_from_install_path(
cmd.backingFile)
virtual_size = linux.qcow2_virtualsize(backing_abs_path)
lvm.create_lv_from_cmd(
install_abs_path, virtual_size, cmd,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()),
False)
lvm.active_lv(install_abs_path)
drbdResource.initialize(cmd.init, cmd, backing_abs_path)
elif not lvm.lv_exists(install_abs_path):
lvm.create_lv_from_cmd(
install_abs_path, cmd.size, cmd,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()),
False)
lvm.active_lv(install_abs_path)
drbdResource.initialize(cmd.init, cmd)
except Exception as e:
drbdResource.destroy()
lvm.delete_lv(install_abs_path)
logger.debug(
'failed to create empty volume[uuid:%s, size:%s] at %s' %
(cmd.volumeUuid, cmd.size, cmd.installPath))
raise e
logger.debug(
'successfully create empty volume[uuid:%s, size:%s] at %s' %
(cmd.volumeUuid, cmd.size, cmd.installPath))
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
rsp._init_from_drbd(drbdResource)
return jsonobject.dumps(rsp)
def do_delete_bits(self, path):
install_abs_path = get_absolute_path_from_install_path(path)
if lvm.has_lv_tag(install_abs_path, IMAGE_TAG):
logger.info('deleting lv image: ' + install_abs_path)
if lvm.lv_exists(install_abs_path):
lvm.delete_image(install_abs_path, IMAGE_TAG)
else:
logger.info('deleting lv volume: ' + install_abs_path)
r = drbd.DrbdResource(self.get_name_from_installPath(path))
r.destroy()
lvm.delete_lv(install_abs_path)
lvm.delete_snapshots(install_abs_path)
def delete_bits(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
if cmd.folder:
raise Exception("not support this operation")
install_abs_path = translate_absolute_path_from_install_path(cmd.path)
if lvm.has_lv_tag(install_abs_path, IMAGE_TAG):
logger.info('deleting lv image: ' + install_abs_path)
lvm.delete_image(install_abs_path, IMAGE_TAG)
else:
logger.info('deleting lv volume: ' + install_abs_path)
lvm.delete_lv(install_abs_path)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def create_root_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = VolumeRsp()
template_abs_path_cache = get_absolute_path_from_install_path(
cmd.templatePathInCache)
install_abs_path = get_absolute_path_from_install_path(cmd.installPath)
drbdResource = drbd.DrbdResource(
self.get_name_from_installPath(cmd.installPath), False)
drbdResource.config.local_host.hostname = cmd.local_host_name
drbdResource.config.local_host.disk = install_abs_path
drbdResource.config.local_host.minor = cmd.local_host_port - DRBD_START_PORT
drbdResource.config.local_host.address = "%s:%s" % (
cmd.local_address, cmd.local_host_port)
drbdResource.config.remote_host.hostname = cmd.remote_host_name
drbdResource.config.remote_host.disk = install_abs_path
drbdResource.config.remote_host.minor = cmd.remote_host_port - DRBD_START_PORT
drbdResource.config.remote_host.address = "%s:%s" % (
cmd.remote_address, cmd.remote_host_port)
drbdResource.config.write_config()
virtual_size = linux.qcow2_virtualsize(template_abs_path_cache)
try:
lvm.qcow2_lv_recursive_active(template_abs_path_cache,
lvm.LvmlockdLockType.SHARE)
if not lvm.lv_exists(install_abs_path):
lvm.create_lv_from_cmd(
install_abs_path, virtual_size, cmd,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()),
False)
lvm.active_lv(install_abs_path)
drbdResource.initialize(cmd.init, cmd, template_abs_path_cache)
except Exception as e:
drbdResource.destroy()
lvm.delete_lv(install_abs_path)
raise e
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
rsp._init_from_drbd(drbdResource)
return jsonobject.dumps(rsp)
def do_convert(args):
volume_abs_path = args[1]
raw_volume_abs_path = volume_abs_path + RAW_SUFFIX
qcow2_volume_abs_path = volume_abs_path + QCOW2_SUFFIX
check(volume_abs_path, raw_volume_abs_path)
volume_size = lvm.get_lv_size(volume_abs_path)
lvm.create_lv_from_absolute_path(raw_volume_abs_path, volume_size)
with lvm.RecursiveOperateLv(volume_abs_path, shared=False, delete_when_exception=False):
with lvm.OperateLv(raw_volume_abs_path, shared=False, delete_when_exception=False):
lvm.add_lv_tag(volume_abs_path, START_TAG)
r, o, e = qcow2_convert_to_raw(volume_abs_path, raw_volume_abs_path)
if r != 0:
logger.warn("convert failed: %s, removing tag and raw volume")
lvm.clean_lv_tag(volume_abs_path, START_TAG)
lvm.delete_lv(raw_volume_abs_path)
return
lvm.add_lv_tag(volume_abs_path, DONE_TAG)
lvm.clean_lv_tag(volume_abs_path, START_TAG)
lvm.lv_rename(volume_abs_path, qcow2_volume_abs_path, overwrite=False)
lvm.lv_rename(raw_volume_abs_path, volume_abs_path, overwrite=False)
def do_delete_qcwo2(op, vguuid):
paths = do_find_qcow2(vguuid)
if op == "find_qcow2":
return
for path in paths:
lvm.delete_lv(path)
def migrate_volumes(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
for struct in cmd.migrateVolumeStructs:
target_abs_path = translate_absolute_path_from_install_path(struct.targetInstallPath)
current_abs_path = translate_absolute_path_from_install_path(struct.currentInstallPath)
with lvm.OperateLv(current_abs_path, shared=True):
lv_size = lvm.get_lv_size(current_abs_path)
if lvm.lv_exists(target_abs_path):
target_ps_uuid = get_primary_storage_uuid_from_install_path(struct.targetInstallPath)
raise Exception("found %s already exists on ps %s" %
(target_abs_path, target_ps_uuid))
lvm.create_lv_from_absolute_path(target_abs_path, lvm.getOriginalSize(lv_size),
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
lvm.active_lv(target_abs_path, lvm.LvmlockdLockType.SHARE)
try:
for struct in cmd.migrateVolumeStructs:
target_abs_path = translate_absolute_path_from_install_path(struct.targetInstallPath)
current_abs_path = translate_absolute_path_from_install_path(struct.currentInstallPath)
with lvm.OperateLv(current_abs_path, shared=True):
bash.bash_errorout("cp %s %s" % (current_abs_path, target_abs_path))
for struct in cmd.migrateVolumeStructs:
target_abs_path = translate_absolute_path_from_install_path(struct.targetInstallPath)
current_abs_path = translate_absolute_path_from_install_path(struct.currentInstallPath)
with lvm.RecursiveOperateLv(current_abs_path, shared=True):
previous_ps_uuid = get_primary_storage_uuid_from_install_path(struct.currentInstallPath)
target_ps_uuid = get_primary_storage_uuid_from_install_path(struct.targetInstallPath)
current_backing_file = linux.qcow2_get_backing_file(current_abs_path) # type: str
target_backing_file = current_backing_file.replace(previous_ps_uuid, target_ps_uuid)
if struct.compareQcow2:
logger.debug("comparing qcow2 between %s and %s" % (current_abs_path, target_abs_path))
if not self.compare(current_abs_path, target_abs_path):
raise Exception("qcow2 %s and %s are not identical" % (current_abs_path, target_abs_path))
logger.debug("confirmed qcow2 %s and %s are identical" % (current_abs_path, target_abs_path))
if current_backing_file is not None and current_backing_file != "":
lvm.do_active_lv(target_backing_file, lvm.LvmlockdLockType.SHARE, False)
logger.debug("rebase %s to %s" % (target_abs_path, target_backing_file))
linux.qcow2_rebase_no_check(target_backing_file, target_abs_path)
except Exception as e:
for struct in cmd.migrateVolumeStructs:
target_abs_path = translate_absolute_path_from_install_path(struct.targetInstallPath)
if struct.currentInstallPath == struct.targetInstallPath:
logger.debug("current install path %s equals target %s, skip to delete" %
(struct.currentInstallPath, struct.targetInstallPath))
else:
logger.debug("error happened, delete lv %s" % target_abs_path)
lvm.delete_lv(target_abs_path, False)
raise e
finally:
for struct in cmd.migrateVolumeStructs:
target_abs_path = translate_absolute_path_from_install_path(struct.targetInstallPath)
lvm.deactive_lv(target_abs_path)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def do_delete_qcwo2(op, vguuid):
paths = do_find_qcow2(vguuid)
if op == "find_qcow2":
return
for path in paths:
lvm.delete_lv(path)
def active_lv(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = ActiveRsp()
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(
cmd.vgUuid, raise_exception=False)
install_abs_path = get_absolute_path_from_install_path(cmd.installPath)
if lvm.has_lv_tag(install_abs_path, IMAGE_TAG):
lvm.qcow2_lv_recursive_active(install_abs_path,
lvm.LvmlockdLockType.SHARE)
return jsonobject.dumps(rsp)
drbdResource = drbd.DrbdResource(
self.get_name_from_installPath(cmd.installPath))
if cmd.role == drbd.DrbdRole.Secondary:
drbdResource.demote()
rsp._init_from_drbd(drbdResource)
return jsonobject.dumps(rsp)
if self.test_network_ok_to_peer(drbdResource.config.remote_host.address.split(":")[0]) is False \
and mini_fencer.test_fencer(cmd.vgUuid, drbdResource.name) is False:
raise Exception("can not connect storage network or fencer")
if cmd.checkPeer and drbdResource.get_remote_role(
) == drbd.DrbdRole.Primary:
raise Exception("remote is also in primary role, can not promote")
if drbdResource.get_dstate() != "UpToDate":
raise Exception("local data is not uptodate, can not promote")
lvm.qcow2_lv_recursive_active(install_abs_path,
lvm.LvmlockdLockType.EXCLUSIVE)
try:
drbdResource.promote()
except Exception as e:
if not cmd.force:
raise e
if self.test_network_ok_to_peer(
drbdResource.config.remote_host.address.split(":")[0]):
raise Exception(
"storage network address %s still connected, wont force promote"
% drbdResource.config.remote_host.address.split(":")[0])
if cmd.vmNics:
for vmNic in cmd.vmNics:
if self.test_network_ok_to_peer(vmNic.ipAddress,
vmNic.bridgeName):
raise Exception(
"could arping %s via %s, it may split brain, wont proceed force promote"
% (vmNic.ipAddress, vmNic.bridgeName))
snap_path = None
try:
snap_path = lvm.create_lvm_snapshot(install_abs_path)
drbdResource.promote(True, 2, 2)
rsp.snapPath = snap_path
except Exception as ee:
if snap_path is not None:
lvm.delete_lv(snap_path)
raise ee
rsp._init_from_drbd(drbdResource)
return jsonobject.dumps(rsp)
