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The path of the TDB is known, so calculate the file ID (device number
+ inode number) from it and use this to directly filter /proc/locks to
find processes holding locks.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Don't use the arguments yet. They will be used in a simplified
version of the code.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The main reason for this is to facilitate testing.
Avoid some /proc accesses entirely by using ps(1) (which can be
replaced by a stub when testing) because this script might as well be
more portable in case anyone wants to add lock debugging for a
non-Linux platform. While the "state" format specification isn't
POSIX-compliant, it works on both Linux and FreeBSD so it is a
reasonable improvement.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
gstack isn't widely available, so provide a simple function that does
the same thing if it gstack can't be found.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Wed Jul 11 14:47:21 CEST 2018 on sn-devel-144
Some of these just aim to load the generic script.options file while
others target more specific files.
For NFS configuration, always use 60.nfs.options - even for 06.nfs.
This could be carefully documented but will change a lot before
release so there is no need.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Volatile databases now have their own subdirectory. This makes things
easier if we later recommend mounting a tmpfs on the volatile database
directory, rather than supporting the current CTDB_DBDIR=tmpfs magic.
No need to create database directories for local daemon tests. ctdbd
will do that.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This warning (apparently new in shellcheck 0.4.7) only applies to
double-quoted strings. Change affected constant strings to use
single-quotes. In the one example that contains a variable expansion
escape the backslash as recommended.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
loadconfig() currently tries to load the CTDB configuration and also
any system configuration relevant to the current (event) script.
Instead add a new function load_system_config() to load the
distribution-specific system configuration for a component. Call this
directly in the rare scripts that need the system configuration.
Also call load_system_config when loading the CTDB configuration to
pull in anything from the CTDB system configuration. This is partly
for backward compatibility but also to get options that can be used
anywhere.
loadconfig() no longer takes an argument. It simply loads the CTDB
configuration.
Drop support for falling back to /etc/ctdb/sysconfig/ctdb (or
similar). Surely there's nobody who uses that!
Also, drop the indirection where loadconfig() calls _loadconfig().
This was used years ago as a test hook and is no longer required.
Inexplicably, this change introduces a new shellcheck test failure, so
silence this.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is a regression introduced in f227c26178.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12407
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Nov 3 10:10:31 CET 2016 on sn-devel-144
SC2012: Use find instead of ls to better handle non-alphanumeric filenames.
Make this cope better with unexpected whitespace.
Unfortunately, this results in shellcheck warning:
SC2035: Use ./*.tdb.* so names with dashes won't become options.
No! Then stat(1) will print ./file.tdb.X. We want the basenames and
we know the filenames don't start with dashes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2046: Quote this to prevent word splitting.
SC2086: Double quote to prevent globbing and word splitting.
Add some quoting where it makes sense. Use shellcheck directives for
false-positives.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2034: VAR appears unused. Verify it or export it.
Drop some variables that are unnecessarily used. Use shellcheck
directive for false-positives.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This avoids relevant shellcheck warnings. This is most of the
shellcheck low hanging fruit in the non-test code. Many of the other
warnings produced by shellcheck are either false positives, are
non-trivial to fix or a fix may result in worse code.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Wed Jul 6 08:15:49 CEST 2016 on sn-devel-144
* Assign the output of dirname to temporary variable to avoid word
splitting when directory name contains whitespace
* Drop export of CTDB_BASE to avoid masking broken return value -
functions file does the export anyway
* Quote path when including functions file
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
The major and minor device numbers are hexadecimal not decimal.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Sep 25 07:19:59 CEST 2014 on sn-devel-104
If these configuration variables are not defined, then there should
a default fallback. This is a workaround till CTDB compile time
configuration can be accessed at runtime.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Michael Adam <obnox@samba.org>
This prevents spamming of logs if multiple lock requests are waiting
and keep timing out.
Also, improve the logging format with separators.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Michael Adam <obnox@samba.org>
That is, don't use fixed paths.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Michael Adam <obnox@samba.org>
