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Testing control: 4 bytes msec delay plus a blob, return the request after the
delay. This is an enhanced "ping" which can be used to test asynchronous
clients.
Doesn't have the full protocol implementation yet
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
On debian buster, this variable doesn't exist anymore. Look at this PR
as a reference:
https://github.com/gluster/storhaug/pull/30
Signed-off-by: Renaud Fortier <renaud.fortier@fsaa.ulaval.ca>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Apr 23 08:07:51 UTC 2020 on sn-devel-184
The vacuuming integration tests set VacuumInterval to a very high
number to avoid vacuuming collisions. This is done after the cluster
is healthy, so Samba will have already been started and vacuuming will
already be scheduled *at the default interval* for databases attached
by Samba. This means that vacuuming controls used by vacuuming tests
can still collide with the scheduled vacuuming events.
Add some logic to reschedule a vacuuming event that has fired but
where VacuumInterval has increased since it was originally scheduled.
The increase in VacuumInterval is used as the time offset for
rescheduling the event.
Although this changes production behaviour for the convenience of
testing, the new behaviour is completely reasonable and obeys the
principle of least surprise.
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): Tue Apr 7 03:04:57 UTC 2020 on sn-devel-184
No behaviour change. This is final staging to make the next change
completely obvious.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
No behaviour change. This just makes future changes clearer by
avoiding reformatting (or introducing local variables).
Clean up error handling while touching a relevant line.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Inside the nested event loop in ctdb_ctrl_getnodemap(), various
asynchronous handlers may dereference rec->nodemap, which will be
NULL.
One example is lost_reclock_handler(), which causes rec->nodemap to be
unconditionally dereferenced in list_of_nodes() via this call chain:
list_of_nodes()
list_of_active_nodes()
set_recovery_mode()
force_election()
lost_reclock_handler()
Instead of attempting to trace all of the cases, just avoid leaving
rec->nodemap set to NULL. Attempting to use an old value is generally
harmless, especially since it will be the same as the new value in
most cases.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14324
Reported-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Tue Mar 24 01:22:45 UTC 2020 on sn-devel-184
Neither the recovery daemon nor the recovery helper should attach
databases outside of the recovery process.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14294
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This builds a complete list of databases across the cluster so it can
be used to create databases on the nodes where they are missing.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14294
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This will be used to build a merged list of databases from all nodes,
allowing the recovery helper to create missing databases.
It would be possible to also include the db_name field in this
structure but that would cause a lot of churn. This field is used
locally in the recovery of each database so can continue to live in
the relevant state structure(s).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14294
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is currently only set by the recovery daemon when it attaches
missing databases, so there is no obvious behaviour change. However,
attaching missing databases can now be moved to the recovery helper as
long as it sets this flag.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14294
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
ctdb_ctrl_createdb() is only called by the recovery daemon, so this is
a safe, temporary change. This is temporary because
ctdb_ctrl_createdb(), create_missing_remote_databases() and
create_missing_local_databases() will all go away soon.
Note that this doesn't cause a change in behaviour. The main daemon
will still only defer attaches from non-recoverd processes during
recovery.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14294
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Commit 3cc230b5ee says:
Dont allow clients to connect to databases untile we are well past
and through the initial recovery phase
It is unclear what this commit was attempting to do. The commit
message implies that more attaches should be deferred but the code
change adds a conjunction that causes less attaches to be deferred.
In particular, no attaches will be deferred after startup is complete.
This seems wrong.
To implement what seems to be stated in the commit message an "or"
needs to be used so that non-recovery daemon attaches are deferred
either when in recovery or before startup is complete. Making this
change highlights that attaches need to be allowed during the
"startup" event because this is when smbd is started.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14294
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If a node is marked for banning, confirm that it's not become inactive
during the recovery. If yes, then don't ban the node.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14294
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
It's possible to have a node stopped, but recovery master not yet
updated flags on the local ctdb daemon when recovery is started. So do
not trust the list of active nodes obtained from the local node. Query
the connected nodes to calculate the list of active nodes.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14294
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
New vnnmap is constructed using the information from all the connected
nodes. So there is no need to fetch the vnnmap from recovery master.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14294
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The only place the outgoing connection needs to be stopped is when
there is a timeout when waiting for the connection to become writable.
Add a new function ctdb_tcp_node_connect_timeout() to handle this
case.
All of the other cases are attempts to establish a new outgoing
connection (initial attempt, retry after an error or disconnect, ...)
so drop stopping the connection in those cases.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14295
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Mar 12 05:29:20 UTC 2020 on sn-devel-184
No change in behaviour. This makes the code self-documenting.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14295
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Martin Schwenke <martin@meltin.net>
No change in behaviour. This makes the code self-documenting.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14295
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The node dead upcall has already restarted the outgoing connection.
There's no need to repeat it.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14295
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Martin Schwenke <martin@meltin.net>
ctdb_tcp_tnode_cb() is called when we receive data on the outgoing connection.
This can happen when we get an EOF on the connection because the other side as
closed. In this case data will be NULL.
It would also be called if we received data from the peer. In this case data
will not be NULL.
The latter case is a fatal error though and we already call
ctdb_tcp_stop_connection() for this case as well, which means even though the
node is not fully connected anymore, by not calling the node_dead() upcall
NODE_FLAGS_DISCONNECTED will not be set.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14295
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Since commit 77deaadca8, a nodeA which
had previously accepted a connection from nodeB (where nodeB dies
e.g. as as result of fencing) when nodeB attempts to connect again
after restarting is always rejected with
ctdb_listen_event: Incoming queue active, rejecting connection from w.x.y.z
messages.
Consolidate dead node handling in the TCP restart handling.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14295
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
If NODE_FLAGS_DISCONNECTED is set the node can be in half-connected state. With
this change we ensure to restart the transport for this case.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14295
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Better compatibility, since od output isn't consistent on FreeBSD.
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): Tue Mar 10 09:17:12 UTC 2020 on sn-devel-184
When the tests are run interactively this will make it more noticeable
that shellcheck is not installed because the test summary will
indicate missing tests.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Skipped tests return a status that indicates failure. In combination
with the -e option this results in an exit with failure on the first
skipped test.
Convert skipped test status to success. The skip has already been
counted.
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: Christof Schmitt <cs@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Mon Mar 9 02:27:18 UTC 2020 on sn-devel-184
When "ctdb shutdown" is run with -n <N> it does not wait for the node
<N>'s ctdbd to go down but exits immediately. This means that the
local_daemons.sh shutdown command can find the PID file still present
and then attempt the shutdown, but the daemon can have exited between
the check and the shutdown. Although the test waits until the node is
disconnected, the transport is taken down just before the exit, so
this does not guarantee the daemon has exited.
A local shutdown command (no -n <N>) waits until the socket
disconnects and this happens *after* the PID file is gone, so this is
safe to use with the local_daemons.sh shutdown command.
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 Mar 2 10:39:28 UTC 2020 on sn-devel-184
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Sat Feb 29 11:53:42 UTC 2020 on sn-devel-184
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Sat Feb 29 08:02:50 UTC 2020 on sn-devel-184
Signed-off-by: Anoop C S <anoopcs@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Feb 27 07:34:53 UTC 2020 on sn-devel-184
Till now 50.samba script was based on RHEL versions <=6 where we didn't
have separate start up script for nmb and smbd used to start nmbd when
required. Now that nmbd has its own start up script named "nmb" it is
reasonable to have "nmb" as default value for CTDB_SERVICE_NMB inside
new 48.netbios ctdb script.
Signed-off-by: Anoop C S <anoopcs@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
