[augeas-devel] Issue using Simplevars lense for custom config management

[Trey Dockendorf]

>
> I think this is related, it looks like it works if you delete the empty
> node and then recreate it:
> augtool> rm /files/client.conf/sysMgmtdHost
> rm : /files/client.conf/sysMgmtdHost 2
> augtool> set /files/client.conf/sysMgmtdHost 192.168.1.1
> augtool> save
> Saved 1 file(s)
> --
> Dominic Cleal
> dominic at cleal.org


Dominic,

Sorry for delay, I was getting digests and overlooked your response.

Any suggestion on how to tweak the lens to not require a rm + set to handle
values that are already empty?  My lens is essentially just the
 Simiplevars lens that I've renamed and updated the incl values.  Attached
is current lens I'm working with.

Thanks,
- Trey

On Mon, Nov 23, 2015 at 3:47 PM, Trey Dockendorf <treydock at gmail.com> wrote:

> I'm attempting to use the Simplevars.lns, but renamed to BeeGFS_config.lns
> and distributed with my Puppet module since Simplevars in EL6 lacks empty
> value support.  Right now I'm hitting an error that unsure how to resolve.
>
> The output is from docker acceptance tests with debug enabled in Puppet:
>
>   Debug: Augeas[beegfs-client.conf](provider=augeas): sending command
> 'set' with params ["/files/etc/beegfs/beegfs-client.conf/sysMgmtdHost",
> "172.17.0.64"]
> <snip>
> Debug: Augeas[beegfs-client.conf](provider=augeas): Put failed on one or
> more files, output from /augeas//error:
>   Debug: Augeas[beegfs-client.conf](provider=augeas):
> /augeas/files/etc/beegfs/beegfs-client.conf/error = put_failed
>   Debug: Augeas[beegfs-client.conf](provider=augeas):
> /augeas/files/etc/beegfs/beegfs-client.conf/error/path =
> /files/etc/beegfs/beegfs-client.conf/sysMgmtdHost
>   Debug: Augeas[beegfs-client.conf](provider=augeas):
> /augeas/files/etc/beegfs/beegfs-client.conf/error/lens =
> /var/lib/puppet/lib/augeas/lenses/beegfs_config.aug:33.45-.53:
>   Debug: Augeas[beegfs-client.conf](provider=augeas):
> /augeas/files/etc/beegfs/beegfs-client.conf/error/message = Value
> '172.17.0.64' does not match regexp // in store lens
>
> The lense I'm using is attached as is the test file that works.  The value
> of sysMgmtdHost is empty before a value is added.
>
> I can reproduce this using augtool:
>
> $ augtool --noautoload -I lib/augeas/lenses
> augtool> set /augeas/load/test/lens "BeeGFS_config.lns"
> augtool> set /augeas/load/test/incl
> /Users/treydock/puppet/modules/beegfs/templates/beegfs-client.conf
> augtool> load
> augtool> set
> /files/Users/treydock/puppet/modules/beegfs/templates/beegfs-client.conf/sysMgmtdHost
> 192.168.1.1
> augtool> save
> error: Failed to execute command
> saving failed (run 'print /augeas//error' for details)
> augtool> print /augeas//error
> /augeas/files/Users/treydock/puppet/modules/beegfs/templates/beegfs-client.conf/error
> = "put_failed"
> /augeas/files/Users/treydock/puppet/modules/beegfs/templates/beegfs-client.conf/error/path
> =
> "/files/Users/treydock/puppet/modules/beegfs/templates/beegfs-client.conf/sysMgmtdHost"
> /augeas/files/Users/treydock/puppet/modules/beegfs/templates/beegfs-client.conf/error/lens
> = "lib/augeas/lenses/beegfs_config.aug:33.45-.53:"
> /augeas/files/Users/treydock/puppet/modules/beegfs/templates/beegfs-client.conf/error/message
> = "Value '192.168.1.1' does not match regexp // in store lens"
>
> The Simplevars lense seemed closest to what I needed, but maybe a
> completely custom lense is better?  The values in the configs are just in
> form of "config = value" and comments use #.
>
> Thanks,
> - Trey
>
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