mirror of https://gitee.com/openkylin/libvirt.git
bab4f31c78
I was a bit surprised that 'virsh snapshot-edit dom name' silently allowed me to clone things, while still telling me the old name, especially since other commands like 'virsh edit dom' reject rename attempts (*). This fixes things to be more explicit (**). (*) Technically, 'virsh edit dom' relies on virDomainDefineXML behavior, which rejects attempts to mix a new name with existing uuid or new uuid with existing name, but you can create a new domain by changing both uuid and name. On the other hand, while snapshot-edit --clone is a true clone, creating a new domain would also have to decide whether to clone snapshot metadata, managed save, and any other secondary data related to the domain. Domain renames are not trivial either. (**) Renaming or creating a clone is still a risky proposition - for offline snapshots and system checkpoints, if the new name does not match an actual name recorded in the qcow2 internal snapshots, then you cannot revert to the new checkpoint. But it is assumed that anyone using the new virsh flags knows what they are doing, and can deal with the fallout caused by a rename/clone; that is, we can't completely prevent a user from shooting themselves in the foot, so much as we are making the default action less risky. * tools/virsh.c (cmdSnapshotEdit): Add --rename, --clone. * tools/virsh.pod (snapshot-edit): Document them. |
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| daemon | ||
| docs | ||
| examples | ||
| gnulib | ||
| include | ||
| m4 | ||
| po | ||
| python | ||
| src | ||
| tests | ||
| tools | ||
| .dir-locals.el | ||
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| .mailmap | ||
| AUTHORS | ||
| COPYING.LIB | ||
| ChangeLog-old | ||
| HACKING | ||
| Makefile.am | ||
| Makefile.nonreentrant | ||
| README | ||
| README-hacking | ||
| TODO | ||
| autobuild.sh | ||
| autogen.sh | ||
| bootstrap | ||
| bootstrap.conf | ||
| cfg.mk | ||
| configure.ac | ||
| libvirt.pc.in | ||
| libvirt.spec.in | ||
| mingw32-libvirt.spec.in | ||
README
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>