def rebase_and_merge_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
snapshots = cmd.snapshotInstallPaths
count = len(snapshots)
for i in range(count):
if i + 1 < count:
target = snapshots[i]
backing_file = snapshots[i + 1]
linux.qcow2_rebase_no_check(backing_file, target)
latest = snapshots[0]
rsp = RebaseAndMergeSnapshotsResponse()
workspace_dir = os.path.dirname(cmd.workspaceInstallPath)
if not os.path.exists(workspace_dir):
os.makedirs(workspace_dir)
try:
linux.qcow2_create_template(latest, cmd.workspaceInstallPath)
rsp.size, rsp.actualSize = cmd.workspaceInstallPath
self._set_capacity_to_response(cmd.uuid, rsp)
except linux.LinuxError as e:
logger.warn(linux.get_exception_stacktrace())
rsp.error = str(e)
rsp.success = False
return jsonobject.dumps(rsp)
def take_full_snapshot_by_qemu_img_convert(previous_install_path, install_path):
makedir_if_need(install_path)
linux.qcow2_create_template(previous_install_path, install_path)
new_volume_path = os.path.join(os.path.dirname(install_path), '{0}.qcow2'.format(uuidhelper.uuid()))
makedir_if_need(new_volume_path)
linux.qcow2_clone(install_path, new_volume_path)
return install_path, new_volume_path
def rebase_and_merge_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
snapshots = cmd.snapshotInstallPaths
count = len(snapshots)
for i in range(count):
if i+1 < count:
target = snapshots[i]
backing_file = snapshots[i+1]
linux.qcow2_rebase_no_check(backing_file, target)
latest = snapshots[0]
rsp = RebaseAndMergeSnapshotsResponse()
workspace_dir = os.path.dirname(cmd.workspaceInstallPath)
if not os.path.exists(workspace_dir):
os.makedirs(workspace_dir)
try:
linux.qcow2_create_template(latest, cmd.workspaceInstallPath)
rsp.size, rsp.actualSize = cmd.workspaceInstallPath
self._set_capacity_to_response(cmd.uuid, rsp)
except linux.LinuxError as e:
logger.warn(linux.get_exception_stacktrace())
rsp.error = str(e)
rsp.success = False
return jsonobject.dumps(rsp)
def take_full_snapshot_by_qemu_img_convert(previous_install_path,
install_path):
makedir_if_need(install_path)
linux.qcow2_create_template(previous_install_path, install_path)
new_volume_path = os.path.join(
os.path.dirname(install_path),
'{0}.qcow2'.format(uuidhelper.uuid()))
makedir_if_need(new_volume_path)
linux.qcow2_clone(install_path, new_volume_path)
return install_path, new_volume_path
def create_template_from_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentResponse()
dirname = os.path.dirname(cmd.installPath)
if not os.path.exists(dirname):
os.makedirs(dirname, 0755)
linux.qcow2_create_template(cmd.volumePath, cmd.installPath)
logger.debug('successfully created template[%s] from volume[%s]' % (cmd.installPath, cmd.volumePath))
return jsonobject.dumps(rsp)
def offline_merge_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentResponse()
if not cmd.fullRebase:
linux.qcow2_rebase(cmd.srcPath, cmd.destPath)
else:
tmp = os.path.join(os.path.dirname(cmd.destPath), '%s.qcow2' % uuidhelper.uuid())
linux.qcow2_create_template(cmd.destPath, tmp)
shell.call("mv %s %s" % (tmp, cmd.destPath))
return jsonobject.dumps(rsp)
def merge_snapshot_to_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = OfflineMergeSnapshotRsp()
if not cmd.fullRebase:
linux.qcow2_rebase(cmd.srcPath, cmd.destPath)
else:
tmp = os.path.join(os.path.dirname(cmd.destPath), '%s.qcow2' % uuidhelper.uuid())
linux.qcow2_create_template(cmd.destPath, tmp)
shell.call("mv %s %s" % (tmp, cmd.destPath))
self._set_capacity_to_response(cmd.uuid, rsp)
return jsonobject.dumps(rsp)
def merge_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = MergeSnapshotRsp()
workspace_dir = os.path.dirname(cmd.workspaceInstallPath)
if not os.path.exists(workspace_dir):
os.makedirs(workspace_dir)
linux.qcow2_create_template(cmd.snapshotInstallPath, cmd.workspaceInstallPath)
rsp.size = os.path.getsize(cmd.workspaceInstallPath)
return jsonobject.dumps(rsp)
def create_template_from_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
dirname = os.path.dirname(cmd.installPath)
if not os.path.exists(dirname):
os.makedirs(dirname, 0755)
linux.qcow2_create_template(cmd.volumePath, cmd.installPath)
logger.debug('successfully created template[%s] from volume[%s]' % (cmd.installPath, cmd.volumePath))
rsp.totalCapacity, rsp.availableCapacity = self._get_disk_capacity()
return jsonobject.dumps(rsp)
def create_template_from_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
dirname = os.path.dirname(cmd.installPath)
if not os.path.exists(dirname):
os.makedirs(dirname, 0755)
linux.qcow2_create_template(cmd.volumePath, cmd.installPath)
logger.debug('successfully created template[%s] from volume[%s]' % (cmd.installPath, cmd.volumePath))
rsp.totalCapacity, rsp.availableCapacity = self._get_disk_capacity()
return jsonobject.dumps(rsp)
def merge_snapshot_to_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = OfflineMergeSnapshotRsp()
if not cmd.fullRebase:
linux.qcow2_rebase(cmd.srcPath, cmd.destPath)
else:
tmp = os.path.join(os.path.dirname(cmd.destPath), '%s.qcow2' % uuidhelper.uuid())
linux.qcow2_create_template(cmd.destPath, tmp)
shell.call("mv %s %s" % (tmp, cmd.destPath))
self._set_capacity_to_response(cmd.uuid, rsp)
return jsonobject.dumps(rsp)
def offline_merge_snapshots(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
if not cmd.fullRebase:
linux.qcow2_rebase(cmd.srcPath, cmd.destPath)
else:
tmp = os.path.join(os.path.dirname(cmd.destPath), '%s.qcow2' % uuidhelper.uuid())
linux.qcow2_create_template(cmd.destPath, tmp)
shell.call("mv %s %s" % (tmp, cmd.destPath))
rsp.totalCapacity, rsp.availableCapacity = self._get_disk_capacity()
return jsonobject.dumps(rsp)
def offline_merge_snapshots(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = AgentRsp()
if not cmd.fullRebase:
linux.qcow2_rebase(cmd.srcPath, cmd.destPath)
else:
tmp = os.path.join(os.path.dirname(cmd.destPath), '%s.qcow2' % uuidhelper.uuid())
linux.qcow2_create_template(cmd.destPath, tmp)
shell.call("mv %s %s" % (tmp, cmd.destPath))
rsp.totalCapacity, rsp.availableCapacity = self._get_disk_capacity()
return jsonobject.dumps(rsp)
def merge_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = MergeSnapshotRsp()
workspace_dir = os.path.dirname(cmd.workspaceInstallPath)
if not os.path.exists(workspace_dir):
os.makedirs(workspace_dir)
linux.qcow2_create_template(cmd.snapshotInstallPath, cmd.workspaceInstallPath)
rsp.size, rsp.actualSize = linux.qcow2_size_and_actual_size(cmd.workspaceInstallPath)
rsp.totalCapacity, rsp.availableCapacity = self._get_disk_capacity()
return jsonobject.dumps(rsp)
def merge_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = MergeSnapshotRsp()
workspace_dir = os.path.dirname(cmd.workspaceInstallPath)
if not os.path.exists(workspace_dir):
os.makedirs(workspace_dir)
linux.qcow2_create_template(cmd.snapshotInstallPath, cmd.workspaceInstallPath)
rsp.size, rsp.actualSize = linux.qcow2_size_and_actual_size(cmd.workspaceInstallPath)
rsp.totalCapacity, rsp.availableCapacity = self._get_disk_capacity()
return jsonobject.dumps(rsp)
def create_template_from_root_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = CreateTemplateFromRootVolumeRsp()
try:
dirname = os.path.dirname(cmd.installPath)
if not os.path.exists(dirname):
os.makedirs(dirname, 0755)
linux.qcow2_create_template(cmd.rootVolumePath, cmd.installPath)
except linux.LinuxError as e:
logger.warn(linux.get_exception_stacktrace())
rsp.error = 'unable to create image to root@%s:%s from root volume[%s], %s' % (cmd.sftpBackupStorageHostName,
cmd.installPath, cmd.rootVolumePath, str(e))
rsp.success = False
self._set_capacity_to_response(cmd.uuid, rsp)
logger.debug('successfully created template[%s] from root volume[%s]' % (cmd.installPath, cmd.rootVolumePath))
return jsonobject.dumps(rsp)
def merge_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = MergeSnapshotResponse()
workspace_dir = os.path.dirname(cmd.workspaceInstallPath)
if not os.path.exists(workspace_dir):
os.makedirs(workspace_dir)
try:
linux.qcow2_create_template(cmd.snapshotInstallPath, cmd.workspaceInstallPath)
rsp.size, rsp.actualSize = linux.qcow2_size_and_actual_size(cmd.workspaceInstallPath)
self._set_capacity_to_response(cmd.uuid, rsp)
except linux.LinuxError as e:
logger.warn(linux.get_exception_stacktrace())
rsp.error = str(e)
rsp.success = False
return jsonobject.dumps(rsp)
def merge_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = MergeSnapshotResponse()
workspace_dir = os.path.dirname(cmd.workspaceInstallPath)
if not os.path.exists(workspace_dir):
os.makedirs(workspace_dir)
try:
linux.qcow2_create_template(cmd.snapshotInstallPath, cmd.workspaceInstallPath)
rsp.size, rsp.actualSize = linux.qcow2_size_and_actual_size(cmd.workspaceInstallPath)
self._set_capacity_to_response(cmd.uuid, rsp)
except linux.LinuxError as e:
logger.warn(linux.get_exception_stacktrace())
rsp.error = str(e)
rsp.success = False
return jsonobject.dumps(rsp)
def create_template_from_root_volume(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = CreateTemplateFromRootVolumeRsp()
try:
dirname = os.path.dirname(cmd.installPath)
if not os.path.exists(dirname):
os.makedirs(dirname, 0755)
linux.qcow2_create_template(cmd.rootVolumePath, cmd.installPath)
except linux.LinuxError as e:
logger.warn(linux.get_exception_stacktrace())
rsp.error = 'unable to create image to root@%s:%s from root volume[%s], %s' % (cmd.sftpBackupStorageHostName,
cmd.installPath, cmd.rootVolumePath, str(e))
rsp.success = False
self._set_capacity_to_response(cmd.uuid, rsp)
logger.debug('successfully created template[%s] from root volume[%s]' % (cmd.installPath, cmd.rootVolumePath))
return jsonobject.dumps(rsp)
def merge_and_rebase_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
snapshots = cmd.snapshotInstallPaths
count = len(snapshots)
for i in range(count):
if i+1 < count:
target = snapshots[i]
backing_file = snapshots[i+1]
linux.qcow2_rebase_no_check(backing_file, target)
latest = snapshots[0]
rsp = RebaseAndMergeSnapshotsRsp()
workspace_dir = os.path.dirname(cmd.workspaceInstallPath)
if not os.path.exists(workspace_dir):
os.makedirs(workspace_dir)
linux.qcow2_create_template(latest, cmd.workspaceInstallPath)
rsp.size = os.path.getsize(cmd.workspaceInstallPath)
return jsonobject.dumps(rsp)