def create_empty_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
install_abs_path = translate_absolute_path_from_install_path(cmd.installPath)
if cmd.backingFile:
qcow2_options = self.calc_qcow2_option(self, cmd.qcow2Options, True, cmd.provisioning)
backing_abs_path = translate_absolute_path_from_install_path(cmd.backingFile)
with lvm.RecursiveOperateLv(backing_abs_path, shared=True):
virtual_size = linux.qcow2_virtualsize(backing_abs_path)
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()))
with lvm.OperateLv(install_abs_path, shared=False, delete_when_exception=True):
linux.qcow2_create_with_backing_file_and_option(backing_abs_path, install_abs_path, qcow2_options)
elif not lvm.lv_exists(install_abs_path):
qcow2_options = self.calc_qcow2_option(self, cmd.qcow2Options, False, cmd.provisioning)
lvm.create_lv_from_cmd(install_abs_path, cmd.size, cmd,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(install_abs_path, shared=False, delete_when_exception=True):
linux.qcow2_create_with_option(install_abs_path, cmd.size, qcow2_options)
linux.qcow2_fill(0, 1048576, install_abs_path)
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)
return jsonobject.dumps(rsp)
def create_empty_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
install_abs_path = translate_absolute_path_from_install_path(cmd.installPath)
if cmd.backingFile:
qcow2_options = self.calc_qcow2_option(self, cmd.qcow2Options, True, cmd.provisioning)
backing_abs_path = translate_absolute_path_from_install_path(cmd.backingFile)
with lvm.RecursiveOperateLv(backing_abs_path, shared=True):
virtual_size = linux.qcow2_virtualsize(backing_abs_path)
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()))
with lvm.OperateLv(install_abs_path, shared=False, delete_when_exception=True):
linux.qcow2_create_with_backing_file_and_option(backing_abs_path, install_abs_path, qcow2_options)
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()))
if cmd.volumeFormat != 'raw':
qcow2_options = self.calc_qcow2_option(self, cmd.qcow2Options, False, cmd.provisioning)
with lvm.OperateLv(install_abs_path, shared=False, delete_when_exception=True):
linux.qcow2_create_with_option(install_abs_path, cmd.size, qcow2_options)
linux.qcow2_fill(0, 1048576, install_abs_path)
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)
return jsonobject.dumps(rsp)
def create_template_from_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
volume_abs_path = translate_absolute_path_from_install_path(cmd.volumePath)
install_abs_path = translate_absolute_path_from_install_path(cmd.installPath)
if cmd.sharedVolume:
lvm.do_active_lv(volume_abs_path, lvm.LvmlockdLockType.SHARE, True)
with lvm.RecursiveOperateLv(volume_abs_path, shared=cmd.sharedVolume, skip_deactivate_tags=[IMAGE_TAG]):
virtual_size = linux.qcow2_virtualsize(volume_abs_path)
total_size = 0
for qcow2 in linux.qcow2_get_file_chain(volume_abs_path):
total_size += int(lvm.get_lv_size(qcow2))
if total_size > virtual_size:
total_size = virtual_size
if not lvm.lv_exists(install_abs_path):
lvm.create_lv_from_absolute_path(install_abs_path, total_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(install_abs_path, shared=False, delete_when_exception=True):
linux.create_template(volume_abs_path, install_abs_path)
logger.debug('successfully created template[%s] from volume[%s]' % (cmd.installPath, cmd.volumePath))
if cmd.compareQcow2 is True:
logger.debug("comparing qcow2 between %s and %s")
bash.bash_errorout("time qemu-img compare %s %s" % (volume_abs_path, install_abs_path))
logger.debug("confirmed qcow2 %s and %s are identical" % (volume_abs_path, install_abs_path))
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def offline_merge_snapshots(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = OfflineMergeSnapshotRsp()
src_abs_path = translate_absolute_path_from_install_path(cmd.srcPath)
dst_abs_path = translate_absolute_path_from_install_path(cmd.destPath)
with lvm.RecursiveOperateLv(src_abs_path, shared=True):
virtual_size = linux.qcow2_virtualsize(src_abs_path)
if not lvm.lv_exists(dst_abs_path):
lvm.create_lv_from_absolute_path(dst_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.RecursiveOperateLv(dst_abs_path, shared=False):
if not cmd.fullRebase:
linux.qcow2_rebase(src_abs_path, dst_abs_path)
else:
tmp_lv = 'tmp_%s' % uuidhelper.uuid()
tmp_abs_path = os.path.join(os.path.dirname(dst_abs_path), tmp_lv)
tmp_abs_path = os.path.join(os.path.dirname(dst_abs_path), tmp_lv)
logger.debug("creating temp lv %s" % tmp_abs_path)
lvm.create_lv_from_absolute_path(tmp_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(tmp_abs_path, shared=False, delete_when_exception=True):
linux.create_template(dst_abs_path, tmp_abs_path)
lvm.lv_rename(tmp_abs_path, dst_abs_path, overwrite=True)
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 = AgentRsp()
template_abs_path_cache = translate_absolute_path_from_install_path(
cmd.templatePathInCache)
install_abs_path = translate_absolute_path_from_install_path(
cmd.installPath)
qcow2_options = self.calc_qcow2_option(self, cmd.qcow2Options, True,
cmd.provisioning)
with lvm.RecursiveOperateLv(template_abs_path_cache,
shared=True,
skip_deactivate_tags=[IMAGE_TAG]):
virtual_size = linux.qcow2_virtualsize(template_abs_path_cache)
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()))
with lvm.OperateLv(install_abs_path,
shared=False,
delete_when_exception=True):
linux.qcow2_clone_with_option(template_abs_path_cache,
install_abs_path, qcow2_options)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def offline_merge_snapshots(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = OfflineMergeSnapshotRsp()
src_abs_path = translate_absolute_path_from_install_path(cmd.srcPath)
dst_abs_path = translate_absolute_path_from_install_path(cmd.destPath)
with lvm.RecursiveOperateLv(src_abs_path, shared=True):
virtual_size = linux.qcow2_virtualsize(src_abs_path)
if not lvm.lv_exists(dst_abs_path):
lvm.create_lv_from_absolute_path(
dst_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.RecursiveOperateLv(dst_abs_path, shared=False):
if not cmd.fullRebase:
linux.qcow2_rebase(src_abs_path, dst_abs_path)
else:
tmp_lv = 'tmp_%s' % uuidhelper.uuid()
tmp_abs_path = os.path.join(os.path.dirname(dst_abs_path),
tmp_lv)
tmp_abs_path = os.path.join(os.path.dirname(dst_abs_path),
tmp_lv)
logger.debug("creating temp lv %s" % tmp_abs_path)
lvm.create_lv_from_absolute_path(
tmp_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(tmp_abs_path,
shared=False,
delete_when_exception=True):
linux.create_template(dst_abs_path, tmp_abs_path)
lvm.lv_rename(tmp_abs_path,
dst_abs_path,
overwrite=True)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def create_template_from_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
volume_abs_path = translate_absolute_path_from_install_path(
cmd.volumePath)
install_abs_path = translate_absolute_path_from_install_path(
cmd.installPath)
if cmd.sharedVolume:
lvm.do_active_lv(volume_abs_path, lvm.LvmlockdLockType.SHARE, True)
with lvm.RecursiveOperateLv(volume_abs_path,
shared=cmd.sharedVolume,
skip_deactivate_tag=IMAGE_TAG):
virtual_size = linux.qcow2_virtualsize(volume_abs_path)
if not lvm.lv_exists(install_abs_path):
lvm.create_lv_from_absolute_path(
install_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(install_abs_path,
shared=False,
delete_when_exception=True):
linux.create_template(volume_abs_path, install_abs_path)
logger.debug(
'successfully created template[%s] from volume[%s]' %
(cmd.installPath, cmd.volumePath))
if cmd.compareQcow2 is True:
logger.debug("comparing qcow2 between %s and %s")
bash.bash_errorout("time qemu-img compare %s %s" %
(volume_abs_path, install_abs_path))
logger.debug("confirmed qcow2 %s and %s are identical" %
(volume_abs_path, install_abs_path))
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def download_from_sftp(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
install_abs_path = translate_absolute_path_from_install_path(
cmd.primaryStorageInstallPath)
size = linux.sftp_get(cmd.hostname, cmd.sshKey,
cmd.backupStorageInstallPath, install_abs_path,
cmd.username, cmd.sshPort, True)
if not lvm.lv_exists(install_abs_path):
lvm.create_lv_from_absolute_path(
install_abs_path, size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(install_abs_path,
shared=False,
delete_when_exception=True):
linux.scp_download(cmd.hostname, cmd.sshKey,
cmd.backupStorageInstallPath, install_abs_path,
cmd.username, cmd.sshPort)
logger.debug('successfully download %s/%s to %s' %
(cmd.hostname, cmd.backupStorageInstallPath,
cmd.primaryStorageInstallPath))
self.do_active_lv(cmd.primaryStorageInstallPath, cmd.lockType, False)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
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 check_bits(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = CheckBitsRsp()
install_abs_path = translate_absolute_path_from_install_path(cmd.path)
rsp.existing = lvm.lv_exists(install_abs_path)
if cmd.vgUuid is not None and lvm.vg_exists(cmd.vgUuid):
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid, False)
return jsonobject.dumps(rsp)
def check_bits(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = CheckBitsRsp()
install_abs_path = translate_absolute_path_from_install_path(cmd.path)
rsp.existing = lvm.lv_exists(install_abs_path)
if cmd.vgUuid is not None and lvm.vg_exists(cmd.vgUuid):
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid, False)
return jsonobject.dumps(rsp)
def check(volume_abs_path, raw_volume_abs_path):
with lvm.OperateLv(volume_abs_path, shared=False, delete_when_exception=False):
if get_volume_format(volume_abs_path) == "raw":
raise Exception("volume %s is raw format, no need to convert" % volume_abs_path)
if lvm.has_lv_tag(volume_abs_path, START_TAG):
raise Exception("there is tag %s on volume %s, there may other process processing, please check or wait" % (START_TAG, volume_abs_path))
if lvm.has_lv_tag(volume_abs_path, DONE_TAG):
raise Exception("there is tag %s on volume %s, there may other process processing, please check or wait" % (DONE_TAG, volume_abs_path))
if lvm.lv_exists(raw_volume_abs_path):
raise Exception("there is raw volume %s, there may other process processing, please check or wait" % raw_volume_abs_path)
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_download_from_sftp(self, cmd, install_abs_path):
if not lvm.lv_exists(install_abs_path):
size = linux.sftp_get(cmd.hostname, cmd.sshKey, cmd.backupStorageInstallPath, install_abs_path, cmd.username, cmd.sshPort, True)
lvm.create_lv_from_absolute_path(install_abs_path, size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(install_abs_path, shared=False, delete_when_exception=True):
linux.scp_download(cmd.hostname, cmd.sshKey, cmd.backupStorageInstallPath, install_abs_path, cmd.username, cmd.sshPort, cmd.bandWidth)
logger.debug('successfully download %s/%s to %s' % (cmd.hostname, cmd.backupStorageInstallPath, cmd.primaryStorageInstallPath))
self.do_active_lv(cmd.primaryStorageInstallPath, cmd.lockType, False)
def do_download_from_sftp(self, cmd, install_abs_path):
if not lvm.lv_exists(install_abs_path):
size = linux.sftp_get(cmd.hostname, cmd.sshKey, cmd.backupStorageInstallPath, install_abs_path, cmd.username, cmd.sshPort, True)
lvm.create_lv_from_absolute_path(install_abs_path, size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(install_abs_path, shared=False, delete_when_exception=True):
linux.scp_download(cmd.hostname, cmd.sshKey, cmd.backupStorageInstallPath, install_abs_path, cmd.username, cmd.sshPort, cmd.bandWidth)
logger.debug('successfully download %s/%s to %s' % (cmd.hostname, cmd.backupStorageInstallPath, cmd.primaryStorageInstallPath))
self.do_active_lv(cmd.primaryStorageInstallPath, cmd.lockType, False)
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 create_thin_pool_if_not_found(vgUuid, init_pool_ratio):
def round_sector(size, sector):
return round(float(size) / float(sector)) * sector
if lvm.lv_exists("/dev/%s/%s_thinpool" % (vgUuid, vgUuid)):
return
tot, avil = lvm.get_vg_size(vgUuid)
init_pool_size = float(tot) * float(init_pool_ratio)
# meta_size = "%s" % ((tot / DEFAULT_CHUNK_SIZE) * 48 * 2) # ref: https://www.kernel.org/doc/Documentation/device-mapper/thin-provisioning.txt
meta_size = 1024**3 # ref: https://www.systutorials.com/docs/linux/man/7-lvmthin/#lbBD
bash.bash_errorout(
"lvcreate --type thin-pool -L %sB -c %sB --poolmetadatasize %sB -n %s_thinpool %s"
% (int(round_sector(init_pool_size, 4096)), DEFAULT_CHUNK_SIZE,
meta_size, vgUuid, vgUuid))
def create_root_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
template_abs_path_cache = translate_absolute_path_from_install_path(cmd.templatePathInCache)
install_abs_path = translate_absolute_path_from_install_path(cmd.installPath)
qcow2_options = self.calc_qcow2_option(self, cmd.qcow2Options, True, cmd.provisioning)
with lvm.RecursiveOperateLv(template_abs_path_cache, shared=True, skip_deactivate_tags=[IMAGE_TAG]):
virtual_size = linux.qcow2_virtualsize(template_abs_path_cache)
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()))
with lvm.OperateLv(install_abs_path, shared=False, delete_when_exception=True):
linux.qcow2_clone_with_option(template_abs_path_cache, install_abs_path, qcow2_options)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def merge_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = MergeSnapshotRsp()
snapshot_abs_path = translate_absolute_path_from_install_path(cmd.snapshotInstallPath)
workspace_abs_path = translate_absolute_path_from_install_path(cmd.workspaceInstallPath)
with lvm.RecursiveOperateLv(snapshot_abs_path, shared=True):
virtual_size = linux.qcow2_virtualsize(snapshot_abs_path)
if not lvm.lv_exists(workspace_abs_path):
lvm.create_lv_from_absolute_path(workspace_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(workspace_abs_path, shared=False, delete_when_exception=True):
linux.create_template(snapshot_abs_path, workspace_abs_path)
rsp.size, rsp.actualSize = linux.qcow2_size_and_actual_size(workspace_abs_path)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
rsp.actualSize = rsp.size
return jsonobject.dumps(rsp)
def merge_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = MergeSnapshotRsp()
snapshot_abs_path = translate_absolute_path_from_install_path(cmd.snapshotInstallPath)
workspace_abs_path = translate_absolute_path_from_install_path(cmd.workspaceInstallPath)
with lvm.RecursiveOperateLv(snapshot_abs_path, shared=True):
virtual_size = linux.qcow2_virtualsize(snapshot_abs_path)
if not lvm.lv_exists(workspace_abs_path):
lvm.create_lv_from_absolute_path(workspace_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(workspace_abs_path, shared=False, delete_when_exception=True):
linux.create_template(snapshot_abs_path, workspace_abs_path)
rsp.size, rsp.actualSize = linux.qcow2_size_and_actual_size(workspace_abs_path)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
rsp.actualSize = rsp.size
return jsonobject.dumps(rsp)
def check(volume_abs_path, raw_volume_abs_path):
with lvm.OperateLv(volume_abs_path,
shared=False,
delete_when_exception=False):
if get_volume_format(volume_abs_path) == "raw":
raise Exception("volume %s is raw format, no need to convert" %
volume_abs_path)
if lvm.has_lv_tag(volume_abs_path, START_TAG):
raise Exception(
"there is tag %s on volume %s, there may other process processing, please check or wait"
% (START_TAG, volume_abs_path))
if lvm.has_lv_tag(volume_abs_path, DONE_TAG):
raise Exception(
"there is tag %s on volume %s, there may other process processing, please check or wait"
% (DONE_TAG, volume_abs_path))
if lvm.lv_exists(raw_volume_abs_path):
raise Exception(
"there is raw volume %s, there may other process processing, please check or wait"
% raw_volume_abs_path)
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 offline_merge_snapshots(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = OfflineMergeSnapshotRsp()
src_abs_path = translate_absolute_path_from_install_path(cmd.srcPath)
dst_abs_path = translate_absolute_path_from_install_path(cmd.destPath)
with lvm.RecursiveOperateLv(src_abs_path, shared=True):
virtual_size = linux.qcow2_virtualsize(src_abs_path)
if not lvm.lv_exists(dst_abs_path):
lvm.create_lv_from_absolute_path(
dst_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.RecursiveOperateLv(dst_abs_path, shared=False):
if not cmd.fullRebase:
linux.qcow2_rebase(src_abs_path, dst_abs_path)
else:
# TODO(weiw): add tmp disk and then rename is better
linux.create_template(src_abs_path, dst_abs_path)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def create_template_from_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
volume_abs_path = translate_absolute_path_from_install_path(
cmd.volumePath)
install_abs_path = translate_absolute_path_from_install_path(
cmd.installPath)
with lvm.RecursiveOperateLv(volume_abs_path, shared=False):
virtual_size = linux.qcow2_virtualsize(volume_abs_path)
if not lvm.lv_exists(install_abs_path):
lvm.create_lv_from_absolute_path(
install_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(install_abs_path,
shared=False,
delete_when_exception=True):
linux.create_template(volume_abs_path, install_abs_path)
logger.debug('successfully created template[%s] from volume[%s]' %
(cmd.installPath, cmd.volumePath))
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
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):
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 check_bits(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = CheckBitsRsp()
install_abs_path = translate_absolute_path_from_install_path(cmd.path)
rsp.existing = lvm.lv_exists(install_abs_path)
return jsonobject.dumps(rsp)