glibc makedb no longer compatible with berkeley db about nsscache

[jaqx0r]

Comment #1 originally posted by jaqx0r on 2013-01-16T11:24:42.000Z:

I strongly recommend using the 'cache' backend and installing libnss-cache in your nsswitch, insteadof using the nssdb backend. 'cache' is faster, less buggy, and more battle tested.

[jaqx0r]

Comment #2 originally posted by jaqx0r on 2014-04-30T13:05:47.000Z:

<empty>

[hexedpackets]

I ran into this same issue in Arch with db version 5.3.28-2. I tried using the 'cache' backend as suggested, but unless I missed something it doesn't actually seem to be implemented. The only valid cache backends are 'files' and 'nssdb'.

[jaqx0r]

What errors do you get when configuring the cache backends? It is the only
one that is battle tested, so I am very surprised to hear it doesn't work.

No one new should use the nssdb backend, and I'd delete it except I don't
know if any existing users rely on it.

On Thu, 5 Nov 2015, 10:58 William Huba [email protected] wrote:

I ran into this same issue in Arch with db version 5.3.28-2. I tried using
the 'cache' backend as suggested, but unless I missed something it doesn't
actually seem to be implemented. The only valid cache backends are 'files'
and 'nssdb'.

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[hexedpackets]

I tried setting cache = cache in my nsscache.conf and the following is thrown when running nsscache update:

Traceback (most recent call last):
  File "/usr/sbin/nsscache", line 33, in <module>
    return_value = nsscache_app.Run(sys.argv[1:], os.environ)
  File "/usr/lib/python2.7/site-packages/nss_cache/app.py", line 240, in Run
    retval = command_callable().Run(conf=conf, args=args)
  File "/usr/lib/python2.7/site-packages/nss_cache/command.py", line 230, in Run
    force_lock=options.force_lock)
  File "/usr/lib/python2.7/site-packages/nss_cache/command.py", line 303, in UpdateMaps
    force_write=force_write)
  File "/usr/lib/python2.7/site-packages/nss_cache/update/updater.py", line 272, in UpdateFromSource
    cache = cache_factory.Create(self.cache_options, self.map_name)
  File "/usr/lib/python2.7/site-packages/nss_cache/caches/cache_factory.py", line 76, in Create
    raise RuntimeError('cache not implemented: %r' % (cache_name,))
RuntimeError: cache not implemented: 'cache'

Looking at cache_factory.py, only files and nsscache get registered as cache implementations: https://github.com/google/nsscache/blob/master/nss_cache/caches/cache_factory.py#L84-L85

[hexedpackets]

Have you had a chance to look at this any further? I'm happy to switch backends, but can't see how to do that currently.

[robbat2]

@hexedpackets
use 'cache = files'

[jaqx0r]

Thanks Robin. That config option eluded me, and now looking at it, it is
not very clear what it does!

On Sat, 2 Jan 2016, 05:43 Robin H. Johnson [email protected] wrote:

@hexedpackets https://github.com/hexedpackets
use 'cache = files'

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[jaqx0r]

I've sent a documentation fix; it's still confusing but at least it's now
correct.

On 2 January 2016 at 12:50, Jamie Wilkinson [email protected] wrote:

Thanks Robin. That config option eluded me, and now looking at it, it is
not very clear what it does!

On Sat, 2 Jan 2016, 05:43 Robin H. Johnson [email protected]
wrote:

@hexedpackets https://github.com/hexedpackets
use 'cache = files'

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#28 (comment).