def revert_volume_from_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = RevertVolumeFromSnapshotRsp()
snapshot_abs_path = translate_absolute_path_from_install_path(
cmd.snapshotInstallPath)
qcow2_options = self.calc_qcow2_option(self, cmd.qcow2Options, True,
cmd.provisioning)
new_volume_path = cmd.installPath
if new_volume_path is None or new_volume_path == "":
new_volume_path = "/dev/%s/%s" % (cmd.vgUuid, uuidhelper.uuid())
else:
new_volume_path = translate_absolute_path_from_install_path(
new_volume_path)
with lvm.RecursiveOperateLv(snapshot_abs_path, shared=True):
size = linux.qcow2_virtualsize(snapshot_abs_path)
lvm.create_lv_from_cmd(
new_volume_path, size, cmd,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(new_volume_path,
shared=False,
delete_when_exception=True):
linux.qcow2_clone_with_option(snapshot_abs_path,
new_volume_path, qcow2_options)
size = linux.qcow2_virtualsize(new_volume_path)
rsp.newVolumeInstallPath = new_volume_path
rsp.size = size
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 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 revert_volume_from_snapshot(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = RevertVolumeFromSnapshotRsp()
snapshot_abs_path = translate_absolute_path_from_install_path(cmd.snapshotInstallPath)
qcow2_options = self.calc_qcow2_option(self, cmd.qcow2Options, True, cmd.provisioning)
new_volume_path = cmd.installPath
if new_volume_path is None or new_volume_path == "":
new_volume_path = "/dev/%s/%s" % (cmd.vgUuid, uuidhelper.uuid())
else:
new_volume_path = translate_absolute_path_from_install_path(new_volume_path)
with lvm.RecursiveOperateLv(snapshot_abs_path, shared=True):
size = linux.qcow2_virtualsize(snapshot_abs_path)
lvm.create_lv_from_cmd(new_volume_path, size, cmd,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(new_volume_path, shared=False, delete_when_exception=True):
linux.qcow2_clone_with_option(snapshot_abs_path, new_volume_path, qcow2_options)
size = linux.qcow2_virtualsize(new_volume_path)
rsp.newVolumeInstallPath = new_volume_path
rsp.size = size
return jsonobject.dumps(rsp)