def convert_image_to_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = VolumeRsp()
install_abs_path = get_absolute_path_from_install_path(
cmd.primaryStorageInstallPath)
lvm.active_lv(install_abs_path)
lvm.clean_lv_tag(install_abs_path, IMAGE_TAG)
lvm.add_lv_tag(install_abs_path,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
drbdResource = drbd.DrbdResource(
install_abs_path.split("/")[-1], 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()
drbdResource.initialize(False, None, skip_clear_bits=cmd.init)
rsp._init_from_drbd(drbdResource)
return jsonobject.dumps(rsp)
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 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 handle_lv(lockType, fpath):
if lockType > lvm.LvmlockdLockType.NULL:
lvm.active_lv(fpath, lockType == lvm.LvmlockdLockType.SHARE)
else:
try:
lvm.deactive_lv(fpath)
except Exception as e:
if not killProcess:
return
qemus = lvm.find_qemu_for_lv_in_use(fpath)
if len(qemus) == 0:
return
for qemu in qemus:
if qemu.state != "running":
linux.kill_process(qemu.pid)
lvm.deactive_lv(fpath)
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 handle_lv(lockType, fpath):
if lockType > lvm.LvmlockdLockType.NULL:
lvm.active_lv(fpath, lockType == lvm.LvmlockdLockType.SHARE)
else:
lvm.deactive_lv(fpath)
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 handle_lv(lockType, fpath):
if lockType > lvm.LvmlockdLockType.NULL:
lvm.active_lv(fpath, lockType == lvm.LvmlockdLockType.SHARE)
else:
lvm.deactive_lv(fpath)