Delete aconfmgr directory from /tmp when exiting about aconfmgr HOT 18 CLOSED

Yes, if you opt in to that with the --skip-inspection switch.

from aconfmgr.

You can delete it if you don't want to use --skip-inspection. Deleting it will not make aconfmgr run faster without the switch (and it will fail with the switch).

from aconfmgr.

Deleting the directory automatically would interfere with the --skip-inspection switch.

Follow-up runs (with better ignore rules) should shrink the directory size, because the relevant subdirectories will be deleted and recreated.

Isn't /tmp a tmpfs on Arch?

from aconfmgr.

It is. All files are deleted from /tmp on reboot.

from aconfmgr.

Yes it is. Maybe a config option somewhere to remove it on exit would be good too.

from aconfmgr.

/tmp may default to being tmpfs in some cases, but there's nothing that says it has to be. I have /tmp mounted as a separate file system, just like /, /var, etc.

from aconfmgr.

Where its physically located on disk or in LVM does not matter. If you
place a file in /tmp and restart, it will be gone. That's decided not at
the user level but at the distro level. I encourage you to try it out.

On Sunday, September 18, 2016, mezzoatic [email protected] wrote:

/tmp may default to being tmpfs in some cases, but there's nothing that
says it has to be. I have /tmp mounted as a separate file system, just like
/, /var, etc.

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@ijustlovemath That's not true. I use Arch, reboot periodically, and /tmp is not cleared on reboot. This is off-topic, and my setup may be different others', but I was just trying to point out that the assumption that /tmp has to be mounted as tmpfs is incorrect.

from aconfmgr.

/tmp should be cleared on a reboot unless you've got something set up so it
isn't.

I guess my reason for this could use a little more clarification. What
happened to me on first run was that my /tmp got filled. I had to add a
bunch of ignores before I could do a save, and needed to remove the folder
from /tmp to get things working. Adding a flag to not keep /tmp after
exiting would have saved me a command the first couple times I ran it.

Not a huge deal either way, just something I felt might be a good addition.

On Sun, Sep 18, 2016, 11:06 etcusrvar [email protected] wrote:

@ijustlovemath https://github.com/ijustlovemath That's not true. I use
Arch, reboot periodically, and /tmp is not cleared on reboot. This is
off-topic, and my setup may be different others', but I was just trying to
point out that the assumption that /tmp has to be mounted as tmpfs is
incorrect.

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"should be cleared on a reboot unless you've got something set up so it isn't" There's nothing that says /tmp should be cleared on reboot, and yes, it can be set up so it isn't.
I'm not trying to drag this off topic-- I'm indifferent to the topic of keeping or removing /tmp/aconfmgt- . Again, I'm simply trying to point out incorrect assumptions.

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It's the systemd default behavior. Certainly not "should", but "expected".

On Sunday, September 18, 2016, etcusrvar [email protected] wrote:

"should be cleared on a reboot unless you've got something set up so it
isn't" There's nothing that says /tmp should be cleared on reboot, and
yes, it can be set up so it isn't.

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I could add an exit hook that would allow the configuration to clean up the temporary directory on exit.

However, such a solution would not be discoverable, and relies on the user being aware of the problem and the solution only after the problem presents itself. Perhaps it would be better to address the underlying problem directly. To do that, first we should determine what it is.

• /tmp becoming full and preventing successive commands from working? Then perhaps aconfmgr should warn on exit if free disk space in /tmp is low, or even delete its temporary directory to free up space immediately.
• The used space under /tmp being an unexpected drain on the system disk space? Then perhaps aconfmgr should warn if /tmp is not a tmpfs, and its temporary directory size exceeds a certain threshold.
• Something else?

from aconfmgr.

My personal preference would be to simply document what files/directories are created in /tmp. You may add a config option to use a different base directory from /tmp, but I don't think even this is needed. When I've run into this situation before with other tools (several AUR helpers come to mind), the tool would simply crash when /tmp was full, and I would manually clean up /tmp, put a symlink in /tmp for the offending file/dir to a location with more space, then run the tool again. If aconfmgr filled up my /tmp, I would do the same thing.

from aconfmgr.

My personal preference would be to simply document what files/directories are created in /tmp.

I added a mention to the FILES section of the man page in 68ea74e.

You may add a config option to use a different base directory from /tmp, but I don't think even this is needed.

The temporary directory location can be set by setting the TMPDIR environment variable, e.g. TMPDIR=~/.tmp aconfmgr ....

from aconfmgr.

Then perhaps aconfmgr should warn on exit if free disk space in /tmp is low

Implemented in c95a65b.

If there are no further suggestions, I'll consider this issue resolved.

from aconfmgr.

So, as it stands, after my sudo TMPDIR=/var/aconfmgr/tmp aconfmgr save -c /var/aconfmgr I'm left with (from ncdu ran in /var/aconfmgr);

  174.5 MiB [##########] /tmp
  137.4 MiB [#######   ] /files
...

To be sure, is my understanding that the /tmp directory is only required for a shorter runtime of aconfmgr correct?

from aconfmgr.

Or just by deleting the tmp dir?

from aconfmgr.

BTW, a configuration size in the order of hundreds of MBs sounds atypical. If some of those files shouldn't be in the configuration, you can ignore them (using IgnorePath). If they are modified versions of packaged files, you can use GetPackageOriginalFile and related helpers to patch them from your configuration. If they are binaries of built and installed programs, you could package them into a pacman package.

from aconfmgr.