My understanding is if old software operates on a new image (modifying
the cfg_cache file), it will delete the new information?
Is that right?
Tom
Shawn Walker wrote:
Dan Price wrote:
On Mon 09 Mar 2009 at 04:48PM, Shawn Walker wrote:
A more detailed summary of changes will be posted soon, for now it
is suggested that you review the bugs mentioned above, and
doc/client_api_versions.txt to find out what's changed.
[dropped some other group's CC lists]
Shawn,
Can you talk about what, if any, impact this will have if we
opt to backpublish these changes?
No impact is anticipated (other then the command names changing for
authority, set-authority, and unset-authority as I already noted.
Although even that will be mitigated by a forthcoming changeset for
bug 7231).
I've already verified that the last backpublished version of SUNWipkg
has no trouble reading the cfg_cache despite the addition of new
values. I purposefully did not change the cfg_cache to say
"publisher" (they still say authority) so that older clients could
still read the most useful bits of information even if written by a
newer client.
The new client can also display information about and manipulate older
images without incident and will automatically translate authority to
publisher where necessary.
I also did not change any of the command-line flags (-a, -f, etc.) or
the format of the values.
From the information available to me, SUNWpython24-simplejson should
also be able to be "back-published" without issue to older releases.
The one incompatibility between the new client and the old is that
manifests written by the new client have "set name=publisher" instead
of "set name=authority" and thus older clients will not have access to
that information if manipulating an image created by the newer client.
Cheers,
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