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This depends on a small amount of internal knowledge but is the
cleanest way of avoiding errors for nodes that have already been shut
down.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Separate functions are not needed for stopping/starting/restarting
individual nodes. The stop and start functions essentially just use
onnode, though for local daemons this is embedded in local_daemons.sh.
So, just provide one stop and one start function that takes an
optional nodespec, defaulting to all nodes.
Restarting becomes common.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
csbuild says:
ctdb/server/ctdb_lock.c: scope_hint: In function ‘ctdb_find_lock_context’
ctdb/server/ctdb_lock.c:671:33: warning: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Wsign-compare]
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
* Typo in variable name db_map_pattern
* Variable num_db_init used before set
* dbmap_pattern does not cover database flags
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 Feb 12 04:38:47 UTC 2020 on sn-devel-184
Shellcheck noticed that pnn was never referenced. Not sure this ever
worked or whether it got broken somewhere along the way.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
select_test_node_and_ips() is not required in these cases.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If we can't bind the local end of an outgoing connection then
something has gone wrong. Retrying is better than failing into a
zombie state. The interface might come back up and/or the address my
be reconfigured.
While here, do the same thing for the other (potentially transient)
failures.
The unknown address family failure is special but just handle it via a
retry. Technically it can't happen because the node address parsing
can only return values with address family AF_INET or AF_INET6.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14274
Reported-by: 耿纪超 <gengjichao@jd.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If ctdbd hangs when shutting down in post-test clean-up then killing
the process group can kill the test. When in test mode, create a
process group but only in the top-level ctdb tool - the natgw and lvs
helpers also run the ctdb tool.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
When running tests from a top-level build, a stale build in ctdb/bin/
will be preferred and may cause confusing results.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is used to set several variables so it might as well be cd-proof.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
There is no sane way of keeping stdin open when using the shell to
background ctdbd in local_daemons.sh. Instead, have ctdbd fork when
not interactive and when test mode is enabled. become_daemon() can't
be used for this: if it forks then it also closes stdin.
For the interactive case, become_daemon() wasn't doing anything
special, so do nothing instead.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
These don't need to depend on do_fork. Child logging should be set up
whenever the daemon is not interactive. The stdin handler should be
setup whenever test mode is enabled.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
No functional changes.
This is staging for a change that makes ctdbd fork when test mode is
enabled but interactive is not set.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
A subsequent file descriptor allocation may return 0 and unexpected
things may then happen.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Otherwise, if the test is run via ssh it will "unexpectedly" find
itself at the other end of a pipe.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This doesn't work when stdin is not a tty.
This reverts commit ea754bfdec.
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: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Jan 30 13:53:22 UTC 2020 on sn-devel-184
POSIX says:
If job control is disabled (see set, -m), the standard input for an
asynchronous list, before any explicit redirections are performed,
shall be considered to be assigned to a file that has the same
properties as /dev/null. This shall not happen if job control is
enabled. In all cases, explicit redirection of standard input shall
override this activity.
ctdbd is backgrounded at startup, so the above causes stdin to be
redirected from /dev/null. Enable job control to work around this.
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 Jan 28 11:24:35 UTC 2020 on sn-devel-184
This allows a test environment to simply close its end of a pipe to
cleanly shutdown ctdbd. Like in smbd, this is only done if stdin is a
pipe or a socket.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This avoids a crash if ctdb_shutdown_sequence() is called before
monitoring is initialised.
Switch to using TALLOC_FREE() while touching this function.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Testing against a commonly used cluster filesystem has shown no
performance impact, as expected.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes it more like the way it works with a cluster filesystem.
It also allows the subdirectory to be manipulated in tests.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
See the comments added to the tests.
It may be possible to rewrite these so they do something sane for
IPv6... some other time.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14227
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 Jan 3 00:00:55 UTC 2020 on sn-devel-184
ss added square brackets around IPv6 addresses in versions > 4.12.0
via commit aba9c23a6e1cb134840c998df14888dca469a485. CentOS 7 added
this feature somewhere mid-release. So, backward compatibility is
obviously needed.
As per the comment protocol/protocol_util.c should probably print and
parse such square brackets. However, for backward compatibility the
brackets would have to be stripped in both places in
update_tickles()... or added to the ss output when missing. Best to
leave this until we have a connection tracking daemon.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14227
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
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 14 12:03:46 UTC 2019 on sn-devel-184
If any of the option parsing or command parsing fails, generate usage
message.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The type-checking is superfluous and gets in the way of readability.
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): Thu Nov 14 03:45:44 UTC 2019 on sn-devel-184
Commit c68b6f96f2 changed the talloc hierarchy such that outgoing TCP sockets
while sitting in the async connect() syscall are not freed via
ctdb_tcp_shutdown() anymore, they are hanging off a longer-running structure.
Free this structure as well.
If an outgoing TCP socket leaks into a long-running child process (possibly the
recovery daemon), this connection will never be closed as seen by the
destination node. Because with recent changes incoming connections will not be
accepted as long as any incoming connection is alive, with that socket leak
into the recovery daemon we will never again be able to successfully connect to
the node that is affected by this leak. Further attempts to connect will be
discarded by the destination as long as the recovery daemon keeps this socket
alive.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14175
RN: Avoid communication breakdown on node reconnect
Signed-off-by: Martin Schwenke <martin@meltin.net>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
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 Nov 13 13:31:10 UTC 2019 on sn-devel-184
We have a macro for NULLing out the pointer
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Fri Nov 8 01:35:11 UTC 2019 on sn-devel-184
