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71e9e9489b
PLATFORM= MACOSX10.6 X86_64 MAX
Problem: The test was failing on pb2's mac machine because
it was not cleaned up properly. The test checks if
the command 'start slave until' throws a proper
error when issued with a wrong number/type of
parameters. After this,the replication stream was
stopped using the include file 'rpl_end.inc'.
The errors thrown earlier left the slave in an
inconsistent state to be closed by the include
file which was caught by the mac machine.
Fix: Started slave by invoking start_slave.inc to have a
working slave before calling rpl_reset.inc
Problem: The test file was not in a good shape. It tested
start slave until relay log file/pos combination
wrongly. A couple of commands were executed at
master and replicated at slave. Next, the
coordinates in terms of relay log file and pos
were noted down followed by reset slave and start
slave until saved relay log file/pos. Reset slave
deletes all relay log files and makes the slave
forget its replication position. So, using the
saved coordiantes after reset slave is wrong.
Fix: Split the test in two parts:
a) Test for start slave until master log file/pos and
checking for correct errors in the failure
scenarios.
b) Test for start slave until relay log file/pos.
Problem: The variables auto_increment_increment and
auto_increment_offset were set in the the include
file rpl_init.inc. This was only configured for
some connections that are rarely used by test
cases, so likely that it will cause confusion.
If replication tests want to setup these variables
they should do so explicitly.
Fix:
a) Removed code to set the variables
auto_increment_increment and auto_increment_offset
in the include file.
b) Updated tests files using the same.
239 lines
7.1 KiB
PHP
239 lines
7.1 KiB
PHP
# ==== Purpose ====
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#
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# Set up replication on several servers in a specified topology.
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#
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# By default, this script does the following:
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# - Creates the connections server_1, server_2, ..., server_N, as
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# well as extra connections server_1_1, server_2_1, ...,
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# server_N_1. server_I and server_I_1 are connections to the same
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# server.
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# - Verifies that @@server_id of all servers are different.
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# - Calls RESET MASTER, RESET SLAVE, USE test, CHANGE MASTER, START SLAVE.
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# - Sets the connection to server_1 before exiting.
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#
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# ==== Usage ====
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#
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# 1. If you are going to use more than two servers, create
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# rpl_test.cfg with the following contents:
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#
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# !include ../my.cnf
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# [mysqld.1]
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# log-slave-updates
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# [mysqld.2]
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# log-slave-updates
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# ...
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# [mysqld.N]
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# log-slave-updates
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#
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# [ENV]
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# SERVER_MYPORT_3= @mysqld.3.port
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# SERVER_MYPORT_4= @mysqld.4.port
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# SERVER_MYPORT_5= @mysqld.5.port
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# ...
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# SERVER_MYPORT_N= @mysqld.N.port
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#
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# (It is allowed, but not required, to configure SERVER_MYPORT_1
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# and SERVER_MYPORT_2 too. If these variables are not set, the
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# variables MASTER_MYPORT and SLAVE_MYPORT, configured in the
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# default my.cnf used by the rpl and rpl_ndb suites, are used
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# instead. In addition, in the rpl_ndb suite, SERVER_MYPORT_3 is
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# not needed since MASTER_MYPORT1 can be used instead.)
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#
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# 2. Execute the following near the top of the test:
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#
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# [--let $rpl_server_count= 7]
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# --let $rpl_topology= 1->2->3->1->4, 2->5, 6->7
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# [--let $rpl_check_server_ids= 1]
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# [--let $rpl_skip_change_master= 1]
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# [--let $rpl_skip_start_slave= 1]
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# [--let $rpl_skip_reset_master_and_slave= 1]
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# [--let $rpl_debug= 1]
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# [--let $slave_timeout= NUMBER]
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# --source include/rpl_init.inc
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#
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# Parameters:
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#
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# $rpl_server_count
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# The number of servers to configure. If this is not set, the largest
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# number in $rpl_topology will be used.
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#
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# $rpl_topology
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# A comma-separated list of replication chain
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# specifications. Each replication chain specification has the
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# form S1->S2->...->Sn, where 1 <= S1,...Sn <= $rpl_server_count.
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# This file will configure S(i+1) to be a slave of S(i). If you
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# want to specify the empty topology (no server replicates at
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# all), you have to set $rpl_topology=none.
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#
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# $rpl_check_server_ids
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# If $rpl_check_server_ids is set, this script checks that the
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# @@server_id of all servers are different. This is normally
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# guaranteed by mtr, so it is only useful for debugging.
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#
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# $rpl_skip_reset_master_and_slave
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# By default, this script issues RESET MASTER and RESET SLAVE
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# before CHANGE MASTER and START SLAVE. RESET MASTER and RESET
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# SLAVE are suppressed if $rpl_skip_reset_master_and_slave is
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# set.
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#
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# $rpl_skip_change_master
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# By default, this script issues CHANGE MASTER so that all slaves
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# are ready to run as specified by $rpl_topology. CHANGE MASTER
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# is suppressed if $rpl_skip_change_master is set.
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#
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# $rpl_skip_start_slave
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# By default, this script issues START SLAVE on all slaves
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# specified by $rpl_topology. START SLAVE is suppressed if
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# $rpl_skip_change_master is set.
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#
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# $rpl_debug
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# By default, this script only outputs a static text that says
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# that rpl_init.inc was invoked. If $rpl_debug is set, additional
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# debug info is printed. The debug info may be nondeterministic,
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# so no test case should be checked in with $rpl_debug set.
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#
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# $slave_timeout
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# Timeout used when waiting for the slave threads to start.
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# See include/wait_for_slave_param.inc
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#
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#
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# ==== Side effects ====
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#
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# Changes current connection to server_1.
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--source include/have_log_bin.inc
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--let $include_filename= rpl_init.inc [topology=$rpl_topology]
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--source include/begin_include_file.inc
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if ($rpl_debug)
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{
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--echo ---- Check input ----
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--echo MASTER_MYPORT='$MASTER_MYPORT' SLAVE_MYPORT='$SLAVE_MYPORT' MASTER_MYPORT1='$MASTER_MYPORT1' SLAVE_MYPORT1='$SLAVE_MYPORT1'
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}
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# Allow $MASTER_MYPORT as alias for $SERVER_MYPORT_1
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if (`SELECT '$SERVER_MYPORT_1' = ''`)
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{
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--let SERVER_MYPORT_1= $MASTER_MYPORT
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}
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# Allow $SLAVE_MYPORT as alias for $SERVER_MYPORT_2
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if (`SELECT '$SERVER_MYPORT_2' = ''`)
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{
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--let SERVER_MYPORT_2= $SLAVE_MYPORT
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}
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# Allow $MASTER_MYPORT1 as alias for $SERVER_MYPORT_3
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# (this alias is used by rpl_ndb tests)
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if (`SELECT '$SERVER_MYPORT_3' = ''`)
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{
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--let SERVER_MYPORT_3= $MASTER_MYPORT1
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}
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# Allow $SLAVE_MYPORT1 as alias for $SERVER_MYPORT_4
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# (this alias is used by rpl_ndb tests)
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if (`SELECT '$SERVER_MYPORT_4' = ''`)
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{
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--let SERVER_MYPORT_4= $SLAVE_MYPORT1
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}
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# Check that $rpl_server_count is set
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if (!$rpl_server_count)
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{
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--let $_compute_rpl_server_count= `SELECT REPLACE('$rpl_topology', '->', ',')`
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--let $rpl_server_count= `SELECT GREATEST($_compute_rpl_server_count)`
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}
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if ($rpl_debug)
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{
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--echo ---- Setup connections and reset each server ----
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}
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if (!$rpl_debug)
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{
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--disable_query_log
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}
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# Create two connections to each server; reset master/slave, select
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# database, set autoinc variables.
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--let $_rpl_server= $rpl_server_count
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--let $_rpl_one= _1
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while ($_rpl_server)
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{
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# Connect.
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--let $rpl_server_number= $_rpl_server
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--let $rpl_connection_name= server_$_rpl_server
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--source include/rpl_connect.inc
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--let $rpl_connection_name= server_$_rpl_server$_rpl_one
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--source include/rpl_connect.inc
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# Configure server.
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--let $rpl_connection_name= server_$_rpl_server
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--source include/rpl_connection.inc
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USE test;
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if (!$rpl_skip_reset_master_and_slave)
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{
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RESET MASTER;
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RESET SLAVE;
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}
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--dec $_rpl_server
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}
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# Signal that initialization is done and all connections created.
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--let $rpl_inited= 1
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# Signal that the server is in a dirty state and needs to be restarted
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# if the test is skipped. If the test is not skipped, it will continue
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# to the end and execute its cleanup section (and check-testcase will
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# report if you forget to clean up).
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--source include/force_restart_if_skipped.inc
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# Assert that all hosts have different server_ids
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if ($rpl_check_server_ids)
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{
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if ($rpl_debug)
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{
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--echo ---- Check that @@server_id is distinct for all servers ----
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}
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--let $_rpl_server= $rpl_server_count
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while ($_rpl_server)
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{
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--let $_rpl_server2= $_rpl_server
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--dec $_rpl_server2
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while ($_rpl_server2)
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{
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--let $assert_text= Servers $_rpl_server and $_rpl_server2 should have different @@server_id
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--let $assert_condition= [$_rpl_server:SELECT @@server_id AS i, i, 1] != [$_rpl_server2:SELECT @@server_id AS i, i, 1]
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--source include/assert.inc
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--dec $_rpl_server2
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}
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--dec $_rpl_server
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}
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}
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# $rpl_master_list must be set so that include/rpl_change_topology.inc
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# knows which servers are initialized and not.
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--let $rpl_master_list= `SELECT REPEAT('x', $rpl_server_count * LENGTH($rpl_server_count))`
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--source include/rpl_change_topology.inc
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if (!$rpl_skip_start_slave)
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{
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--source include/rpl_start_slaves.inc
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}
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--let $rpl_connection_name= server_1
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--source include/rpl_connection.inc
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--let $skip_restore_connection= 1
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--let $include_filename= rpl_init.inc
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--source include/end_include_file.inc
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