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13 Commits

Author SHA1 Message Date
Tony Asleson
2918994873 lvmdbusd: WS, imports, grammar 2022-09-16 10:49:37 -05:00
Tony Asleson
3d8882db83 lvmdbusd: fix hangs on SIGINT 
Rather than trying to bubble up return codes that get us to exit cleanly
it's better to just raise an exception to bail.  In some cases functions
don't have return codes, so they cannot be checked.
 2022-09-16 10:49:37 -05:00
Tony Asleson
abf22df46c lvmdbusd: Handle no lastlog 
Depending on when an occurs, it maynot have any information available for
lastlog.  In this case try to grab an error message from the original
response.
 2022-09-16 10:49:36 -05:00
Tony Asleson
01ef2f2525 lvmdbusd: Remove try/except for mkfifo 
We should never run into this error condition when using tempfile.mkdtemp.
 2022-06-30 10:55:16 -05:00
Tony Asleson
d393436727 lvmdbusd: Correct grammar in lvm shell proxy comments 2022-06-30 10:55:16 -05:00
Tony Asleson
6914942685 lvmdbusd: Don't require "lvm> " prompt for shell 
Depending on how lvm is compiled, it may not present the "lvm> " prompt
when using the lvm shell.  Don't require it to be present.

Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=2090391
 2022-06-30 10:55:16 -05:00
Tony Asleson
7a2090655d lvmdbusd: Remove the use of sub shell for lvm shell 
This reduces the number of processes and improves security.
 2022-06-30 10:55:16 -05:00
Tony Asleson
b3407b16c1 lvmdbusd: re-work lvm shell main 
Add an optional single argument "bisect" to use with git bisect for
automation.  Normal case is no arguments when running stand-alone.
 2022-06-30 10:55:16 -05:00
Tony Asleson
58c6c9e9aa lvmdbusd: Simplify child process env 
We don't need to duplicate the entire env from the parent, supply only what
is needed.
 2022-06-30 10:55:16 -05:00
Tony Asleson
37733cd4eb lvmdbusd: Correct conditional for lvm child process running 
Poll returns None when process is running, else exit value.  If poll returns
0 we will fail to exit the select loop.
 2022-06-30 10:55:16 -05:00
Tony Asleson
c474f174cc lvmdbusd: Handle arbitrary amounts stdout & stderr 
When exec'ing lvm, it's possible to get large amounts of both stdout
and stderr depending on the state of lvm and the size of the lvm
configuration.  If we allow any of the buffers to fill we can end
up deadlocking the process.  Ensure we are handling stdout & stderr
during lvm execution.

Ref. https://bugzilla.redhat.com/show_bug.cgi?id=1966636

Signed-off-by: Tony Asleson <tasleson@redhat.com>
 2021-06-17 09:14:29 -05:00
Tony Asleson
5bdcafff47 lvmdbusd: Handle exported VG(s) 
When a VG is exported, the 'fullreport' returns an exit code of 5, but
otherwise returns the data we are wanting.

Signed-off-by: Tony Asleson <tasleson@redhat.com>
 2018-12-20 10:27:30 -06:00
Marian Csontos
7272fd2210 lvmdbusd: All tools use detected python3 
- lvmdb.py and lvm_shell_proxy.py can be used as standalone tools, so
  should use detected value.
- clean executable bit on *.in files.
 2017-12-12 13:17:07 +01:00