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Author SHA1 Message Date
Markus Mäkelä
64d25a48bd
Merge commit 'a60bd376108f71fccf40001c1496f32c11137fe4' into develop 2019-06-18 15:51:17 +03:00
Esa Korhonen
a60bd37610 MXS-2367 Print slave connection errors when replication fails 
The slave connection I/O-tread stays running if replication credentials are
wrong when connecting to master. This causes a switchover/failover timeout.
When this happens, print the error in the slave connection status as this
clarifies the problem to the user.
 2019-06-18 15:02:21 +03:00
Markus Mäkelä
6cbe9d1258
MXS-2550: Fix default module parameters 
The parameters weren't processed when they were added from the module
defaults.
 2019-06-18 07:06:51 +03:00
Markus Mäkelä
ca532ec769
MXS-2565: Fix list servers with sockets 
The address and socket parameters need special handling.
 2019-06-17 20:50:46 +03:00
Markus Mäkelä
372c9a8350
Fix configuration guide documentation 
Fixed limitations section, the heading depths and the document name,
corrected localhost_match_wildcard_host, added deprecation notes where
required.
 2019-06-17 14:07:52 +03:00
Markus Mäkelä
002281599e
MXS-2563: Add test case 
Added a test case that reproduces the debug assertion with the old code
and verifies that it is fixed with the new one.
 2019-06-17 14:07:52 +03:00
Markus Mäkelä
f6a5b59067
MXS-2563: Fix query retrying on slave failure 
If one slave is executing a query while another one is executing a session
command and the one that is executing the session command fails, the
ongoing query would get retried even though the server that failed was not
executing it. If the server was executing a session command, nothing needs
to be done.
 2019-06-17 14:07:52 +03:00
Markus Mäkelä
f8729c272e
Erase trailing unexpected ERR packets 
If a resultset is followed by an ERR packet that is not expected
(e.g. server is shutting down), the packet must not be sent to the
client. This allows readwritesplit to replace the failing connection with
a new one thus hiding server shutdowns from clients.
 2019-06-14 15:18:02 +03:00
Markus Mäkelä
fc997b9e38
Add mxs::Buffer::erase 
Added range-erase method to mxs::Buffer. This makes it easier to modify
the contents of mxs::Buffer.

The intended use-case for now is to erase unexpected trailing ERR packets
from resultsets.
 2019-06-14 15:18:02 +03:00
Markus Mäkelä
7dde0edb54
Clean up unexpected error handling in readwritesplit 
By using the Error class, the code can be cleaned up and simplified.
 2019-06-14 15:18:01 +03:00
Esa Korhonen
5edfba6623 Merge branch '2.3' into develop 2019-06-14 11:15:17 +03:00
Esa Korhonen
cf866a6a57 Merge branch '2.2' into 2.3 2019-06-14 10:49:51 +03:00
Johan Wikman
2e9e22893a Fix typo in Clustrix tutorial 2019-06-14 10:14:48 +03:00
Markus Mäkelä
c819271cab
Merge branch '2.3' into develop 2019-06-14 09:40:19 +03:00
Markus Mäkelä
2accfad329
Handle trailing unexpected ERR packets 
RWBackend did not expect that a resultset and an unexpected ERR packet
could be stored in the same buffer. This can happen for example if a
server shuts down immediately after the resultset is sent.
 2019-06-14 08:12:02 +03:00
Esa Korhonen
acfaae9d46 MXS-2480 Use in-memory-database in PAM authenticator 
This was already fixed in develop, but the fix is both small and useful
so should be backported.
 2019-06-13 17:47:08 +03:00
Markus Mäkelä
8311dba654
Send the OK outside the KILL functions 
By sending the OK for the KILL commands outside the function, they can be
used to kill connections that do not expect responses.
 2019-06-13 16:44:26 +03:00
Johan Wikman
f5c239cc8d Reorganize Clustrix tutorial slightly 2019-06-13 14:52:51 +03:00
Esa Korhonen
0f3ec4f42e Remove "allow_cluster_recovery" from test configs 
The parameter has been removed.
 2019-06-13 14:35:50 +03:00
Esa Korhonen
648eda9262 Remove deprecated parameters from MariaDBMon 
Also deprecates an unused parameter.
 2019-06-13 14:35:50 +03:00
Johan Wikman
f478386e47 MXS-2518 Document Clustrix and slave_selection_criteria 2019-06-13 13:45:14 +03:00
Johan Wikman
0b10b27ffd MXS-2518 Check connection distribution with Clustrix 
Readconnroute, with default 'router_options', as well as readwritesplit
 should cause the connections to be distributed evenly across all nodes.
 2019-06-13 13:45:14 +03:00
Johan Wikman
62daabe682 MXS-2518 Document Clustrix and router_options 
With Clustrix, in whose case all nodes will be masters, using
'router_options=master' with readconnroute will cause only one
node to be used.
 2019-06-13 13:45:14 +03:00
Esa Korhonen
6ee9736803 Clean up scheduled event handling 
Removes some duplicated code.
 2019-06-13 13:19:48 +03:00
Johan Wikman
d03e025046 MXS-2553 Allow parenthesis around SELECT 
With this change, a parenthesized top-level SELECT, such as
"(SELECT f FROM t)" will be fully parsed. Before this change,
the statement was classified as invalid and would thus have
been sent to the master.

With this change also statements like

    (SELECT f FROM t1) UNION (SELECT f FROM t2)

will be correctly classified, although only partially parsed.
 2019-06-13 10:42:46 +03:00
Esa Korhonen
a5898f83f9 Fix mysqlmon_rejoin_manual 
Added some extra connection refreshing and monitor waiting. Unclear why this
is needed now but it seems to work.
 2019-06-13 10:28:14 +03:00
Marko
c418bf81e1 MXS-2493 Add maxctrl show dbusers <service> 2019-06-12 23:49:08 +03:00
Markus Mäkelä
10272ce633
Merge branch '2.3' into develop 2019-06-12 18:15:37 +03:00
Markus Mäkelä
239c4a8615
MXS-2549: Install prelink config file 
The prelink configuration file should prevent maxctrl from being corrupted
by it.
 2019-06-12 17:49:41 +03:00
Markus Mäkelä
cd1b2e8748
Log server version when it changes 
Knowing what the server version is can help rule out some
problems. Logging it whenever it changes also helps figure out when
upgrades took place.
 2019-06-12 17:26:58 +03:00
Johan Wikman
9c1c8053b9 Merge branch '2.3' into develop 2019-06-12 14:33:07 +03:00
Johan Wikman
74ef8a9591 Update 2.3 maintenance version 2019-06-12 14:28:37 +03:00
Johan Wikman
493155127b Merge branch '2.3.8' into 2.3 2019-06-12 14:27:22 +03:00
Johan Wikman
208377b262 Update 2.3.8 release date 2019-06-12 14:26:15 +03:00
Markus Mäkelä
1f46f1bfca
Merge branch '2.3' into develop 2019-06-12 12:24:07 +03:00
Markus Mäkelä
bb92d61a1b
Fix KILL command packet boundary detection 
If a packet with a KILL query was followed with another packet in the same
network buffer, the code wouldn't work as it expected to receive only one
packet at a time.
 2019-06-12 12:20:26 +03:00
Markus Mäkelä
7470a58a32
Fix release mode build failures 
Fixed mxb_assert_message and one dcb_printf failure.
 2019-06-12 12:15:47 +03:00
Johan Wikman
a0fcf67993 Merge branch '2.3' into develop 2019-06-12 11:29:03 +03:00
Johan Wikman
b98ff222f0 Merge branch '2.3.8' into 2.3 2019-06-12 11:26:33 +03:00
Markus Mäkelä
9fd0d38797
Merge branch '2.3' into develop 2019-06-12 08:59:36 +03:00
Markus Mäkelä
7fe18a0488
Add fatal signal handlers for unit tests 
This way debug assertions print a full stacktrace for unit tests.
 2019-06-11 21:38:47 +03:00
Markus Mäkelä
470968a296
Fix unit test failures 
The new net_write_timeout value needed to be explicitly defined for the
tests.
 2019-06-11 21:38:47 +03:00
Markus Mäkelä
6166da76ea
Add arguments to mxb_assert_message 
The macro can now be used to print runtime information in a printf-like
manner. This makes it easier to see exactly why an assertion has failed.
 2019-06-11 21:30:45 +03:00
Markus Mäkelä
74f61c233d
MXS-2558: Reuse loaded users 
When users are loaded, they can be reused across all routing workers.
 2019-06-11 21:30:45 +03:00
Markus Mäkelä
6ca5143141
Make kill_query more robust 
The test now uses an infinite loop in the SQL to make sure the execution
is interrupted.
 2019-06-11 21:30:16 +03:00
Johan Wikman
814ae196e9 qc_sqlite: Replace strncpy with memcpy 
On RHEL8 the former may give rise to incorrect

    error: 'char* strncpy(char*, const char*, size_t)' destination
    unchanged after copying no bytes [-Werror=stringop-truncation]
 2019-06-11 20:14:58 +03:00
Esa Korhonen
d0e6921604 Improve switchover undo when new master fails 
Now the monitor properly restores the old master by running promotion code on it.
Also, binlog is disabled when enabling server events.
 2019-06-11 17:15:43 +03:00
Esa Korhonen
53606934a6 Merge branch '2.3' into develop 2019-06-11 16:35:26 +03:00
Esa Korhonen
95606370c8 MXS-2551 Do not print deprecated parameters into serialized config files 
In MaxScale, a "deprecated" parameter is not in use and can be ignored.
Leaving the parameters out of serialized configuration files avoids warning
messages.
 2019-06-11 15:55:35 +03:00
Markus Mäkelä
5b14e28fc8
Fix maxavrocheck build failure on Ubuntu Trusty 
The return value of realpath should be checked even if it is pointless.
 2019-06-11 14:15:06 +03:00