1
0
mirror of https://github.com/samba-team/samba.git synced 2024-12-24 21:34:56 +03:00
Commit Graph

6324 Commits

Author SHA1 Message Date
Amitay Isaacs
088587259e ctdb-tests: Make sure the packet length matches the allocated size
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:20 +02:00
Amitay Isaacs
2717427e69 ctdb-protocol: Check arguments in ctdb_allocate_pkt
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:20 +02:00
Amitay Isaacs
0eca31baf7 ctdb-protocol: Expose function to allocate a packet
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:20 +02:00
Amitay Isaacs
e834e0a2c0 ctdb-protocol: Fix marshalling of ctdb_reply_control
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:20 +02:00
Amitay Isaacs
75363b9954 ctdb-protocol: Use length routines for protocol elements
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:20 +02:00
Amitay Isaacs
8a20c116fd ctdb-protocol: Add length routines for protocol elements
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>
2016-05-03 04:43:20 +02:00
Amitay Isaacs
6ec25c7529 ctdb-protocol: Use ctdb_req_header marshalling
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:20 +02:00
Amitay Isaacs
79d1507c16 ctdb-protocol: Fix marshalling of ctdb_req_header
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:20 +02:00
Amitay Isaacs
2e14d4e4e3 ctdb-protocol: Use TDB_DATA marshalling
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:19 +02:00
Amitay Isaacs
c64435f22e ctdb-protocol: Fix marshalling of TDB_DATA
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:19 +02:00
Amitay Isaacs
324ae757c3 ctdb-protocol: Use ctdb_string marshalling
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:19 +02:00
Amitay Isaacs
fcb2ab7641 ctdb-protocol: Fix marshalling of ctdb_string
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-05-03 04:43:19 +02:00
Martin Schwenke
ddfbd74607 ctdb-doc: Fix example NFS Ganesha recovery directory maintenance logic
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>
2016-05-03 04:43:19 +02:00
Christof Schmitt
84a13e70a6 ctdb/ltdbtool: Fix static declarations
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
2016-04-30 04:28:13 +02:00
Martin Schwenke
f667ff6485 ctdb-doc: Document cluster mutex helper API
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 Apr 28 13:18:07 CEST 2016 on sn-devel-144
2016-04-28 13:18:06 +02:00
Martin Schwenke
721f64511c ctdb-recovery: Move recovery lock latency updating to handler
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>
2016-04-28 09:39:17 +02:00
Martin Schwenke
bcb838ba1e ctdb-recovery: Move recovery lock functions to recovery daemon code
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>
2016-04-28 09:39:17 +02:00
Martin Schwenke
df99d9e273 ctdb-cluster-mutex: Factor out cluster mutex code
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-28 09:39:17 +02:00
Martin Schwenke
ecc6751c6b ctdb-recovery: Factor out setting of cluster mutex handler
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>
2016-04-28 09:39:17 +02:00
Martin Schwenke
94fb2cf0ec ctdb_recovery: ctdb_cluster_mutex() now takes an argstring argument
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>
2016-04-28 09:39:17 +02:00
Martin Schwenke
46684867b1 ctdb-recovery: Recovery lock setting can now include helper command
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>
2016-04-28 09:39:17 +02:00
Martin Schwenke
918b0d9a9c ctdb-recovery: Parse recovery lock setting
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>
2016-04-28 09:39:17 +02:00
Martin Schwenke
64d557200e ctdb-recovery: Reimplement ctdb_recovery_lock() using ctdb_cluster_mutex()
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>
2016-04-28 09:39:16 +02:00
Martin Schwenke
0b0b954ff2 ctdb-recovery: Kill cluster mutex helper with a signal that can be caught
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>
2016-04-28 09:39:16 +02:00
Martin Schwenke
e679a1731c ctdb-recovery: Switch ctdb_cluster_mutex() to use helper
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-28 09:39:16 +02:00
Martin Schwenke
5cf3b7a1e3 ctdb: Add new helper ctdb_mutex_fcntl_helper
This implements the type of fcntl locking that the recovery lock uses.
The intent is to use it for multiple locks and allow the choice of
helper to be configured.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-28 09:39:16 +02:00
Martin Schwenke
c14e0ff8e4 ctdb-tools: Simplify "ctdb getreclock" output
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>
2016-04-28 09:39:16 +02:00
Martin Schwenke
978404ecde ctdb-recovery: Add optional timeout argument to ctdb_cluster_mutex()
Timeout in seconds, 0 means no timeout.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-28 09:39:16 +02:00
Martin Schwenke
43e9f58d6a ctdb-recovery: Factor out reclock testing into ctdb_cluster_mutex()
This is currently only used to check whether the recovery lock can be
taken.  However, name it more generally in anticipation of using it
for general cluster mutex taking and testing.

No functional changes.  A couple of debug message simplifications and
code rearrangements.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-28 09:39:16 +02:00
Martin Schwenke
ab75f2a587 ctdb-recovery: Use a configurable handler when testing cluster mutex
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-28 09:39:16 +02:00
Martin Schwenke
419f57f378 ctdb-recovery: Factor out new function set_recmode_handler()
This is used to reply to the recmode control for all the different
cases.  The callers can later be generalised to use a pointer, which
can then be used for recovery lock handling in different contexts.

Note that the handle is now freed in set_recmode_handler() rather than
the callbacks.

There is one difference in behaviour.  Deferred attach calls are now
processed in the timeout case, where they weren't before.  That's a
bug fix!

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-28 09:39:16 +02:00
Martin Schwenke
14a2330692 ctdb-recovery: Use single char ASCII numbers for status from child
'0' = Child took the mutex
  '1' = Unable to take mutex - contention
  '2' = Unable to take mutex - timeout
  '3' = Unable to take mutex - error

This is a straightforward API.  When the child is generalised to an
external helper then this makes it easier for a helper to be, for
example, a simple script.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-28 09:39:16 +02:00
Martin Schwenke
4842b6bb91 ctdb-recovery: Rename recovery lock functions and struct
Use the more general name "cluster mutex", since we are likely to end
up with more than one cluster-wide lock.  There will probably be a
dedicated recovery lock, held only during recovery, and also a second
lock that is held by the master node.  Currently one lock is used for
both purposes.

At the moment the struct and functions are involved with setting the
recovery mode.  However, they'll be abstracted out to more generally
deal with the cluster mutexes, so "recmode" -> "cluster_mutex".  Drop
"set" from names, since this is used to test the lock.  Also drop
"ctdb" prefix from functions, since they are local to this file.  The
struct will eventually be a long-lived handle that will release the
mutex when freed, so name it accordingly.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-28 09:39:16 +02:00
Martin Schwenke
1b607f2032 ctdb-build: ctdb-system depends on samba-util for debug
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-28 09:39:16 +02:00
Robin Hack
2a81893291 ctdb-tests: Fix CID 1358704 use of "=" where "==" may have been intended
Signed-off-by: Robin Hack <hack.robin@gmail.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Uri Simchoni <uri@samba.org>

Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Tue Apr 26 19:21:24 CEST 2016 on sn-devel-144
2016-04-26 19:21:24 +02:00
Volker Lendecke
aad53cf595 ctdbd: Use talloc_memdup where appropriate
.... 40 bytes .text less ;-)

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2016-04-25 18:29:21 +02:00
Martin Schwenke
0c373f2854 ctdb-tools: Drop onnode node specifications for recmaster/lvs/natgw
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
2016-04-25 10:34:47 +02:00
Martin Schwenke
d12858aa5b ctdb-tools: Drop "ctdb natgwlist"
The new individual status options are better.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-25 07:10:15 +02:00
Martin Schwenke
cc3e9a651d ctdb-tests: Make ctdb natgw tool tests cover all the desired outputs
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-25 07:10:15 +02:00
Martin Schwenke
515e2a2d87 ctdb-tools: Add top-level "ctdb natgw" command
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>
2016-04-25 07:10:15 +02:00
Martin Schwenke
3f3c483196 ctdb-scripts: Drop node count from "ctdb natgw status" output
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>
2016-04-25 07:10:14 +02:00
Martin Schwenke
fadc67cc45 ctdb-scripts: Tweak NAT gateway list output format
Avoid gratuitous trailing whitespace.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-25 07:10:14 +02:00
Martin Schwenke
cdaa82944a ctdb-scripts: Fix incorrect comment
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-25 07:10:14 +02:00
Martin Schwenke
09173f80d9 ctdb-ipalloc: Do ipreallocated even if no IP addresses can be allocated
In particular, LVS won't work at all if there are no public IP
addresses.

This is a temporary solution until a generic reconfiguration hook is
implemented.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-25 07:10:14 +02:00
Martin Schwenke
107f40abf9 ctdb-daemon: Move port filtering to server side when getting tickles
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>
2016-04-25 07:10:14 +02:00
Martin Schwenke
84fdc2a562 ctdb-scripts: Improve error messages when using NFS service_check_cmd
When external monitoring is enabled for an NFS service using
service_check_cmd then $ctdb_check_rpc_out is empty because the
internal RPC checking isn't used.  This results in empty log messages
like:

  60.nfs: ERROR:

or:

  60.nfs: WARNING:

Improve this so it at least says:

  60.nfs: ERROR: monitoring service "statd" failed

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-25 07:10:14 +02:00
Martin Schwenke
59c71646ff ctdb-tools: Fix a dangling reference to the LVS capability
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-04-25 07:10:14 +02:00
Amitay Isaacs
5f72883e8a ctdb-client: Use correct TDB flags for opening database
Persistent: TDB_DEFAULT
Volatile: TDB_NOSYNC | TDB_INCOMPATIBLE_HASH | TDB_CLEAR_IF_FIRST
          | TDB_MUTEX_LOCKING (if TDBMutexEnabled is set)

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): Sun Apr 24 03:25:27 CEST 2016 on sn-devel-144
2016-04-24 03:25:26 +02:00
Amitay Isaacs
2a06e56f92 ctdb-protocol: Consistency check for opcode in the reply structure
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-04-23 23:55:15 +02:00
Amitay Isaacs
b970a5304c ctdb-client: Set control opcode in reply for one-way controls
Some controls are fire-and-forget (CTDB_CTRL_FLAG_NOREPLY).  Since there
is no reply received, the opcode in the ctdb_reply_control structure
never gets set.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2016-04-23 23:55:15 +02:00