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This can only be done on the local node. For remote node, exit as
soon as the control returns.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
No functional changes. Best viewed with diff/show -w to avoid
whitespace differences.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
CTDB_NODES_SOCKETS is no longer used. The test code uses ONNODE_SSH
to run a fake ssh client.
Leave indenting sloppy and fix it in the next commit so that this
change is clear.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Commit 635da189dc fixed a problem where
a stray file descriptor leaked into a subshell.
Explicitly close the file descriptor at the outermost possible point
rather than relying on fakessh() to do it.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Instead of more generic SSH and EXTRA_SSH_OPTS.
Quietly drop reference to rsh in case it gives anyone ideas.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Whenever the current git hash changes, we recompile ctdb.c and
ctdb_daemon.c. As both have quite a few warnings with -Wall, this
makes it quite difficult to see the real warnings that pop up during
development. Centralize the ctdb_version_string to just a single file
without warnings.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This avoids other potential users from unnecessarily setting up file
descriptors and such.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This replaces ctdb_killtcp(), which did the initialisation inside a
loop. The new logic is inverted, making it more natural.
The variable containing all the state is called "state" in
anticipation of the next commit that will convert this to a tevent_req
computation. This will mean less churn.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
One less use of trbt_tree_t. The code is easier to read and is
significantly smaller.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The replacement was documented for Samba 4.5, so this is not worth fixing.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
These lines are duplicates of those above. It has always been this
way...
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): Mon Aug 14 09:00:45 CEST 2017 on sn-devel-144
Given the size of the command substitutions it would be less clear to
embed the assignments and substitutions inside a conditional. It is
clearer if the exit code is checked afterwards.
However, do fix some untidy uses of != instead of -ne when comparing
with $?. Make the code easier to understand by reversing the logic
and using -eq and ||.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
There are multiple command groups and redirects on very long lines.
Reformat the long lines to break them up and add a comment to explain
what is happening.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
... and update the output from various database query commands.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This function only traverses the database on local node.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
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): Tue May 30 08:05:56 CEST 2017 on sn-devel-144
The "Number of nodes:" header should only be displayed when "all" is
specified. This is how the command behaved in Samba <= 4.4.
Printing the number of nodes is not helpful and is rather confusing in
the default case where only the status of the current node is printed.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12802
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Exit code should only reflect current or specified nodes too.
Drop an unwanted call to get_nodemap() that overwrites the previously
calculated node map.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12802
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12723
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): Wed Mar 29 11:07:18 CEST 2017 on sn-devel-144
Found by covscan.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12592
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Feb 17 18:43:16 CET 2017 on sn-devel-144
These commands are now replaced with ctdb event ...
ctdb scriptstatus is maintained for backward compatibility.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This command covers all the commands to event daemon.
ctdb event run <event>
ctdb event status [<event>] [lastrun|lastfail|lastpass]
ctdb event script list
ctdb event script enable <script>
ctdb event script disable <script>
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Redundant RELEASE_IPs gives nodes a preview of where an IP address
will move to. However, if the associated TAKEOVER_IP fails then the
node will actually be unhosted.
This is similar to commit 77a29b3733.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12470
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 Dec 16 12:32:02 CET 2016 on sn-devel-144
Otherwise it prints 4294967295 for the PNN.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12470
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The GET_PUBLIC_IP_INFO control fails for unassigned addresses because
PNN is CTDB_UNKNOWN_PNN.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12470
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
First argument to talloc_asprintf_append() is the string being
appended to, not a talloc context.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12470
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The new hash-table-based method of merging the IP information does not
sort, whereas the RB-tree method implicitly sorted. This probably
only really matters for the "all" case, but sort regardless to ensure
consistent output format.
Sorting has to be done here instead of when printing to ensure
consistency between ip[] and ipinfo[].
No longer reverse the sort order.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12470
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This introduces a mutex helper called ctdb_etcd_lock, which allows CTDB to
use an existing etcd cluster to provide the functionality of a recovery lock
using the API outlined in ctdb/doc/cluster_mutex_helper.txt.
Signed-off-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Autobuild-User(master): José A. Rivera <jarrpa@samba.org>
Autobuild-Date(master): Mon Dec 5 19:39:10 CET 2016 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12157
CID 1364703: Resource leak (RESOURCE_LEAK)
However, this would already be fixed by the fix for CID 1125618, so
this is probably just a minor bug fix.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12151
This was already dropped in commit d678684695.
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): Wed Aug 17 09:22:13 CEST 2016 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12152
This makes the behaviour of "ctdb addip" similar to "ctdb delip".
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
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): Sat Aug 13 00:55:02 CEST 2016 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12121
If the connection list is empty then process_clist_send() still
creates a request. However, since no subrequests are created for
controls sent, tevent_req_poll() waits forever for an event.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
New tool breaks some of the tool unit tests due to improved error
messages. Those changes are in the following patch.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Removing and adding replacement code makes the commits cleaner.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Print the sequence number without preamble. Print it in hex to match
the logs.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
No preamble, just print keyword ENABLED or DISABLED. Fix the
documentation to reflect this and remove the text that is simply
wrong.
Also remove output from "ctdb enablemonitor" and "ctdb disablemonitor"
on success. This is just noise.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Print just the debug level as a description, for both human and
machine readable.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This message was useful when debugging during development but it isn't
generally useful.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Databases should never be thawed manually. A database recovery will
correctly thaw all databases. Otherwise there is a bug in the database
recovery.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
SC2006: Use $(..) instead of legacy `..`.
Make the obvious changes to $(...) but convert some to $((...)).
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2124: Assigning an array to a string!
Assign as array, or use * instead of @ to concatenate.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC2059: Don't use variables in the printf format string.
Use printf "..%s.." "$foo".
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
SC1004: You don't break lines with \ in single quotes, it results in
literal backslash-linefeed.
These don't hurt, since awk can cope with the continuations. However,
they don't add anything.
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>
==27786== Syscall param write(buf) points to uninitialised byte(s)
==27786== at 0x62820D0: __write_nocancel (syscall-template.S:84)
==27786== by 0x428B57: ctdb_queue_send (ctdb_io.c:322)
==27786== by 0x41F3B1: ctdb_client_queue_pkt (ctdb_client.c:153)
==27786== by 0x41F3B1: ctdb_client_send_message (ctdb_client.c:603)
==27786== by 0x419FA3: srvid_broadcast.constprop.26 (ctdb.c:1965)
==27786== by 0x41B869: control_reload_nodes_file (ctdb.c:5696)
==27786== by 0x404DBA: main (ctdb.c:6008)
==27786== Address 0x7ead310 is 144 bytes inside a block of size 168 alloc'd
==27786== at 0x4C2BBCF: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==27786== by 0x564DBEC: __talloc_with_prefix (talloc.c:675)
==27786== by 0x564DBEC: __talloc (talloc.c:716)
==27786== by 0x564DBEC: _talloc_named_const (talloc.c:873)
==27786== by 0x564DBEC: _talloc_zero (talloc.c:2318)
==27786== by 0x41E1E2: _ctdbd_allocate_pkt (ctdb_client.c:59)
==27786== by 0x41F37D: ctdb_client_send_message (ctdb_client.c:594)
==27786== by 0x419FA3: srvid_broadcast.constprop.26 (ctdb.c:1965)
==27786== by 0x41B869: control_reload_nodes_file (ctdb.c:5696)
==27786== by 0x404DBA: main (ctdb.c:6008)
==27786==
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
The recovery lock can not be reliably updated at run-time. If it
fails to update on some nodes then split-brain protection is gone and
there is no reasonable way to repair the situation. CTDB will have to
be restarted on all nodes. So, if this feature is being used to avoid
scheduling an outage then an outage will have to be scheduled just in
case!
To update the recovery lock, shut down CTDB on all nodes, reconfigure
the recovery lock and start CTDB again.
Those that *really* want to be able to change the recovery lock at
run-time can still do so. Set CTDB_RECOVERY_LOCK to point to a script
and this script can then be modified at run-time. However, please
don't report bugs if bad things happen...
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Apr 30 04:28:13 CEST 2016 on sn-devel-144
If the reclock is set then print it, otherwise print nothing.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
LVS and NAT gateway support had bit-rotted. We don't use any of these
in scripts/tests and we very much doubt anyone else uses them.
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): Mon Apr 25 10:34:47 CEST 2016 on sn-devel-144
This can list the different aspects of status: master, list, status.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Tweak "ctdb natgw natgwlist" to keep output format the same.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Why allocate all that memory and transfer all that data across the
socket?
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
For "master", if there is a master then print the PNN, otherwise print
nothing.
For "list", print the PNN and IP addresses without a colon in between.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This simply calls out to the wrapper, so that commands are changed as
follows:
ctdb lvsmaster -> ctdb lvs master
ctdb lvs -> ctdb lvs list
This provides a simple, extensible interface and means that "ctdb lvs
status" is also available.
Unit tests are streamlined so that there is a single test for each
CTDB state. Each test does "master", "list" and "status" sub-tests.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This will replace the ctdb CLI tool "lvs" and "lvsmaster" options. It
also makes LVS daemon support unnecessary.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Testing indicates that these are good reliable defaults that can kill
many connections in a reasonable amount of time.
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 Apr 1 08:10:54 CEST 2016 on sn-devel-144
This made sense when connections were individually queued in the
daemon. However, they're now done in batch so just keep an overall
count.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
When previously killing TCP connections via the daemon there was some
latency due to each kill being sent to the daemon via a separate
control. This probably meant that when doing a 2-way kill the tickle
ACKs sent to the client end of a connection would not interfere with
listening for the reply ACK from the server end. Now that there is no
latency, the tickle ACK or RST sent to the client end can be seen as
the reply to the server end tickle ACK, and vice-versa.
To avoid this, throw away packets that look like we sent them.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The end of the connection in parentheses is not the end being killed.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>