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This groups function prototypes for common client/server functions in
common/common.h and removes them from ctdb_private.h.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Instead of includes.h, include the required header files explicitly.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This groups function prototypes for system specific functions in
common/system.h and removes them from ctdb_private.h.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The databases are repacked automatically during vacuuming when the
freelist size grows beyond configured threshold (RepackLimit).
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Add new function delete_ip_from_all_nodes(). Also
ctdb_get_all_pnns().
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
None of these uses of -n are particularly useful. "-n all" will be
deprecated.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Oct 14 05:22:28 CEST 2015 on sn-devel-104
Attempt to make common code independent and free from ctdb_context.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The functions defined in common/system_*.c depend on the functions
defined in common/system_common.c. So keep them together.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
In this case: ctdbd_wrapper, onnode, ctdb_diagnostics, ctdb.sudoers.
Set sensible defaults from configure options.
Update documentation to match, trying to fix up anything that has been
missed before.
The onnode unit tests need a symlink to the functions file.
The simple integration tests need to set CTDB_BASE and also
need symlinks to functions/nodes.
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>
fixup
Signed-off-by: Martin Schwenke <martin@meltin.net>
This variable points to /etc/ by default.
This distinguishes it from the different variable from wscript, which
points to /etc/ctdb/.
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>
Also fix an unused test to set CTDB_BASE.
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>
Clearly identifies where all state files from scripts should go and
allows that location to be easily changed. This patch should not
change any behaviour (outside of eventscript unit tests, where a
clearer location is now used).
CTDB_VARDIR should no longer be overridden. Continue to set
CTDB_DBDIR and similar to override database location in unit tests.
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>
Always check filesystem usage for the database directories.
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): Sat Aug 29 20:08:48 CEST 2015 on sn-devel-104
CTDB should warn by default if too much system memory or swap is used.
The tests have also been tweaked. In particular, the filesystem-only
tests need to initialise the memory information to avoid errors where
meminfo isn't set.
Document the defaults, warning against disabling them.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
They are only printed when the percentage usage changes. This should
stop the logs from being filled with warnings.
Add a test for the throttling.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Marking the node unhealthy should cause Samba processes to close,
possible freeing a stack of memory. If not, then it is somebody
else's problem.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
New variables CTDB_MONITOR_MEMORY_USAGE and CTDB_MONITOR_SWAP_USAGE.
Both take a pair of <warn_threshold>:<unhealthy_threshold> where each
theshold is specified as a percentage.
This adds a callout to check_thresholds() that is run when the
unhealthy threshold is reached.
Add some combination tests.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
CTDB_MONITOR_FREE_MEMORY and CTDB_MONITOR_FREE_MEMORY_WARN are now
percentages that specify thresholds of acceptable memory usage.
Memory/swap usage in tests also specified as percentages.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
No need to use 2 different sources of information for similar checks.
Also, output of free has been changed, whereas /proc/meminfo is a
kernel API, which will not change.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To support this, extend the "ip route add" stub to detect duplicate
routes.
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): Fri Aug 7 08:37:38 CEST 2015 on sn-devel-104
Unhealthy after 1 failed attempt to contact the portmapper.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is now handled by passing the desired number of threads to the
command specified in the dump_stuck_threads variable in .check files.
Remove unused function nfs_dump_some_threads().
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This isn't a straightforward move of code from 60.ganesha to the
callout. Simplifications have been made to allow better
interoperation with the new NFS checking logic.
The following configuration variables have been removed:
CTDB_GANESHA_REC_SUBDIR
Edit NFS ganesha callout to change this location
CTDB_NFS_SERVER_MODE, NFS_SERVER_MODE
Use CTDB_NFS_CALLOUT instead
CTDB_NFS_SKIP_KNFSD_ALIVE_CHECK, CTDB_SKIP_GANESHA_NFSD_CHECK
Disable the corresponding .check file instead
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
