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Need to version control entire root file system
by Worley, Chris B
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Not user's home directories, but everything else; and no version control
meta-data cruft left lying around inside my image. The base "image" is kept offline. I want to version control changes to every file and directory in that offline image. Ascii files need explicit diffs, binary files can just be flagged as changed. I need to be able to view which files changed at any check-in point, what files are different now from the last check-in, how the ASCII files changed between any two versions, and roll-back the entire image to any previous version. Mostly, I need the diff repository to be outside the image; I don't want hidden version control directories in every directory of my file system... I need the version control meta-data kept elsewhere (this image gets provisioned onto systems). Will Arch do this? If not, can anybody recommend a good version control utility (or maybe one that is extensible) for this? Note that I use "image" to mean "root file system", and not a disk image per se; something you could chroot to. Thanks, Chris _______________________________________________ Gnu-arch-users mailing list Gnu-arch-users@... http://lists.gnu.org/mailman/listinfo/gnu-arch-users GNU arch home page: http://savannah.gnu.org/projects/gnu-arch/ |
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Re: Need to version control entire root file system
by Andy Tai
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Probably not something Arch will handle efficiently today...
There may be some add-ons to subversion to let you do this, but I don't recall the details. Anyway, this kind of use does not really need distributed SCM so I don't feel guilty saying use Subversion for it... On 6/22/07, Worley, Chris B <chris.b.worley@...> wrote: Not user's home directories, but everything else; and no version control _______________________________________________ Gnu-arch-users mailing list Gnu-arch-users@... http://lists.gnu.org/mailman/listinfo/gnu-arch-users GNU arch home page: http://savannah.gnu.org/projects/gnu-arch/ |
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Re: Need to version control entire root file system
by Alfred M. Szmidt
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Anyway, this kind of use does not really need distributed SCM so I
don't feel guilty saying use Subversion for it... Subversion isn't really what the OP is looking for either, since it also uses meta-data. Infact, you cannot have a VCS without meta-data, so there is nothing out there that will fit the OPs description. _______________________________________________ Gnu-arch-users mailing list Gnu-arch-users@... http://lists.gnu.org/mailman/listinfo/gnu-arch-users GNU arch home page: http://savannah.gnu.org/projects/gnu-arch/ |
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Re: Need to version control entire root file system
by Stefan Monnier
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> Anyway, this kind of use does not really need distributed SCM so I
> don't feel guilty saying use Subversion for it... > Subversion isn't really what the OP is looking for either, since it > also uses meta-data. Infact, you cannot have a VCS without meta-data, > so there is nothing out there that will fit the OPs description. Actually SCMs such as Arch which only have a single meta-data directory are pretty easy to adapt to his case: just keep the meta-data directory elsewhere and move it back to its original place (or make a symlink, it'll probably work just as well) temporarily whenever you need to run an SCM command. Stefan _______________________________________________ Gnu-arch-users mailing list Gnu-arch-users@... http://lists.gnu.org/mailman/listinfo/gnu-arch-users GNU arch home page: http://savannah.gnu.org/projects/gnu-arch/ |
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Re: Need to version control entire root file system
by Alfred M. Szmidt
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> Anyway, this kind of use does not really need distributed SCM
> so I don't feel guilty saying use Subversion for it... > Subversion isn't really what the OP is looking for either, since > it also uses meta-data. Infact, you cannot have a VCS without > meta-data, so there is nothing out there that will fit the OPs > description. Actually SCMs such as Arch which only have a single meta-data directory are pretty easy to adapt to his case: just keep the meta-data directory elsewhere and move it back to its original place (or make a symlink, it'll probably work just as well) temporarily whenever you need to run an SCM command. You still have {arch} for the whole tree, and .arch-ids for each sub-directory. _______________________________________________ Gnu-arch-users mailing list Gnu-arch-users@... http://lists.gnu.org/mailman/listinfo/gnu-arch-users GNU arch home page: http://savannah.gnu.org/projects/gnu-arch/ |
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Re: Need to version control entire root file system
by John Evans-7
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On Fri, 22 Jun 2007, Worley, Chris B wrote:
> The base "image" is kept offline. I want to version control changes to > every file and directory in that offline image. > > Ascii files need explicit diffs, binary files can just be flagged as > changed. I need to be able to view which files changed at any check-in > point, what files are different now from the last check-in, how the > ASCII files changed between any two versions, and roll-back the entire > image to any previous version. > Chris, You do not need revision management software (such as Arch, CVS, Subversion, etc.) You need a configuration management suite. The one that I can recommend is cfengine. You can find it here: http://www.cfengine.org/ As far as tagging which binary files have changed, you would probably be best served by using Tripwire to accomplish this goal. You can find it here: http://www.tripwire.com/ http://www.tripwire.com/products/enterprise/ost/ Tripwire will also track changes to your configuration files, but I'm not sure it will provide diffs or not. You'll need to investigate that on your own. -- John Evans Administrator of kilnar.com _______________________________________________ Gnu-arch-users mailing list Gnu-arch-users@... http://lists.gnu.org/mailman/listinfo/gnu-arch-users GNU arch home page: http://savannah.gnu.org/projects/gnu-arch/ |
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Re: Need to version control entire root file system
by Stefan Monnier
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> You still have {arch} for the whole tree, and .arch-ids for each
> sub-directory. The .arch-ids are not indispensable. Stefan _______________________________________________ Gnu-arch-users mailing list Gnu-arch-users@... http://lists.gnu.org/mailman/listinfo/gnu-arch-users GNU arch home page: http://savannah.gnu.org/projects/gnu-arch/ |
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Re: Need to version control entire root file system
by Alfred M. Szmidt
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> You still have {arch} for the whole tree, and .arch-ids for each
> sub-directory. The .arch-ids are not indispensable. That is true to the extent that one only has files that are plain text, and no binary files. Seeing that the OP wanted to manage a entire root file-system, he cannot get away without using meta-data all over the place. But now re-reading the OP's post, I'm wondering what he means with meta-data, there are several types of meta-data. One is for book keeping ({arch}, .arch-ids), and the other is history. Chris, could you clarify what you mean? _______________________________________________ Gnu-arch-users mailing list Gnu-arch-users@... http://lists.gnu.org/mailman/listinfo/gnu-arch-users GNU arch home page: http://savannah.gnu.org/projects/gnu-arch/ |
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Re: Need to version control entire root file system
by Joel Rosdahl-2
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"Worley, Chris B" <chris.b.worley@...> writes:
> Not user's home directories, but everything else; and no version control > meta-data cruft left lying around inside my image. [...] > > [...] If not, can anybody recommend a good version control utility > (or maybe one that is extensible) for this? Sounds like Vesta <http://www.vestasys.org> might be something for you. -- Regards, Joel Rosdahl <joel@...> Key BB845E97; fingerprint 9F4B D780 6EF4 5700 778D 8B22 0064 F9FF BB84 5E97 _______________________________________________ Gnu-arch-users mailing list Gnu-arch-users@... http://lists.gnu.org/mailman/listinfo/gnu-arch-users GNU arch home page: http://savannah.gnu.org/projects/gnu-arch/ |
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Re: Need to version control entire root file system
by Ben West
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Hypothetically, you could mount another file system over root using union-fs and see that the arch meta-data lived in the mounted version instead of the original (e.g. the arch meta-files would exist in a ghost directory somewhere, pehaps, less visible to the system.
you would mount root as usual in a subdirectroy, you would remount root (readonly) then mount another arch-metadata directory over top (writeable) so that any changes to the metadata would be written to the seocnd directory -- then for updates/syncs, etc you would sync/update the union file system I'd consider reading up on unionfs to see if this will work for you. Also, I think the latest version of reiser supports version control build in. On Jun 22, 2007 10:18 AM, Worley, Chris B <chris.b.worley@...> wrote: Not user's home directories, but everything else; and no version control _______________________________________________ Gnu-arch-users mailing list Gnu-arch-users@... http://lists.gnu.org/mailman/listinfo/gnu-arch-users GNU arch home page: http://savannah.gnu.org/projects/gnu-arch/ |
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