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Since there are no public IPs setup, these tests do not really test the
functionality.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This tested parse_nodestring function from tools/ctdb.c. However,
ctdb.c is soon going to be replaced with the code using new client API.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Now all the IP takeover code for non-master node is in this function.
The function can always be renamed to something more suitable.
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): Fri May 6 15:10:59 CEST 2016 on sn-devel-144
Update log levels and messages, comments and wrapping of long lines.
No functional changes.
Note that interfaces_have_changed() already does adequate logging.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
When public IP checking is disabled, verify_local_ip_allocation()
still retrieves known IP addresses and runs through a loop that does
nothing.
Instead, completely skip the retrieval and checking loop.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes verify_local_ip_allocation() self-contained and simplifies
main_loop().
Due to indentation changes, this commit is most easily read when
ignoring whitespace.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
There is no need to return one of several states and then trigger an
election for one of those return states. Have the recovery master
validation trigger the election directly and just return whether
monitoring should continue.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Change this to return just 0 or -1. It isn't monitoring anything.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
update_local_flags() never returns MONITOR_ELECTION_NEEDED, so drop
this entire if-statement.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Deferred attach processing is done unconditionally at this point. It
is then done again if recovery lock checking is done and completes
successfuly. If the recovery lock checking fails then it should not
be done at all.
Move this processing so it is done with the early exit when the
recovery lock is not being used.
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: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Tue May 3 08:08:31 CEST 2016 on sn-devel-144
If the buffer size provided is not sufficient, then return the required
buffer length.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This means that the packet allocation will happen just before push
functions are called.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This follows the convention used for marshalling routines for ctdb data types.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This currently fails exactly when it is needed: when there is a
dangling link pointing into an unmounted filesystem. This happens
because [ -e <dangling-link> ] returns false. The solution is simply
to remove that check.
Now the first condition in the "if" statement catches the backward
compatibility case where $GANRECDIR used to be a directory. It will
also catch other problems, such as if a file has been created in this
location. If nothing exists then it will silently succeed (due to
-f).
The second case catches a symlink pointing to the wrong place (e.g. in
an unmounted filesystem).
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
The cluster mutex code already passes the latency and expects the
handler to update the statistics.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
ctdb_recovery_have_lock(), ctdb_recovery_lock(),
ctdb_recovery_unlock() are only used by recovery daemon, so move them
there.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This means that the cluster mutex handle can now be treated as opaque.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
All of the ctdb_cluster_mutex_* infrastucture can now handle an
arbitrary mutex.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The underlying change is to allow the cluster mutex argstring to
optionally contain a helper command. When the argument string starts
with '!' then the first word is the helper command to run. This is
now the standard way of changing the helper from the default.
CTDB_CLUSTER_MUTEX_HELPER show now only be used to change the location
of the default helper when testing.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is currently just treated as the name of a lock file. However,
it is really some arbitrary arguments to lock helper.
Therefore, it should be parsed and passed as separate arguments to the
lock helper.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Replace the file descriptor for the recovery lock in the CTDB context
with the cluster mutex handle, where non-NULL means locked.
Attempting to take the recovery lock is now asynchronous and no longer
blocks the recovery daemon.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Unlike fcntl(2), some other helper might need to explicitly take
action to release a mutex. This can be done by catching SIGTERM.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
