# ==== Purpose ====
#
# This test case verify if a server will throw the proper error when
# trying to configure it as a slave and start slave's threads when it's
# server-id is 0.
#
# The "Part One" of the test case will have a slave started with
# server_id > 0 but will be tested also after setting @@GLOBAL.server_id
# to 0.
#
# The "Part Two" of the test case will have a slave started with
# server_id = 0 but will be tested also after setting @@GLOBAL.server_id
# to a value greater than 0.
#
# Both parts are testing the default replication channel and a new
# replication channel in order to evaluate also the multi source slave.
#
# ==== Related Bugs and Worklogs ====
#
# BUG#20753463 HANDLE_FATAL_SIGNAL (SIG=11) IN __STRLEN_SSE2_PMINUB ON
#              CHANGE MASTER
#
# This test case is binlog format agnostic
--source include/have_binlog_format_row.inc
# This test case does not depend on GTID
--source include/not_gtid_enabled.inc
--source include/master-slave.inc

# Assert that the slave was started with server_id > 0
--source include/rpl_connection_slave.inc
CALL mtr.add_suppression('Server id not set, will not start slave');
CALL mtr.add_suppression('Slave is not configured or failed to initialize properly');
--let $assert_text= slave's server_id was greater than 0 at startup
--let $assert_cond= [ SELECT @@GLOBAL.server_id > 0 ]
--source include/assert.inc
--let $original_slave_server_id= `SELECT @@GLOBAL.server_id`

# Replication runs fine
--source include/rpl_connection_master.inc
CREATE TABLE t1 (c1 INT) ENGINE=InnoDB;
--source include/sync_slave_sql_with_master.inc

##
## Part One: Server initialized slave at startup (server_id > 0)
##

# Change slave @@GLOBAL.server_id to 0
--source include/stop_slave.inc
SET @@GLOBAL.server_id= 0;

# Start slave should fail
--error ER_BAD_SLAVE
START SLAVE;

# Assert that the reason of the failure was the server_id=0
--let $assert_file=$MYSQLTEST_VARDIR/log/mysqld.2.err
--let $assert_text= Slave didn't started because of server_id=0
--let $assert_select= \[ERROR\] Server id not set, will not start slave for channel \'\'
--let $assert_count= 1
--let $assert_only_after= rpl_slave_server_id_equal_to_zero
--source include/assert_grep.inc

# Change master still works
CHANGE MASTER TO MASTER_LOG_POS=4;

# Start slave for channel should fail
--error ER_SLAVE_CHANNEL_DOES_NOT_EXIST
START SLAVE FOR CHANNEL 'any_channel';

# Change master still works and will create the channel
CHANGE MASTER TO MASTER_LOG_POS=4, MASTER_HOST='127.0.0.1' FOR CHANNEL 'any_channel';

# Start slave for channel should fail
--error ER_BAD_SLAVE
START SLAVE FOR CHANNEL 'any_channel';

# Assert that the reason of the failure was the server_id=0
--let $assert_text= Slave for channel didn't started because of server_id=0
--let $assert_select= \[ERROR\] Server id not set, will not start slave for channel \'any_channel\'
--let $assert_count= 1
--source include/assert_grep.inc

# Remove the created channel
RESET SLAVE ALL FOR CHANNEL 'any_channel';

# Remove the t1 table on slave to allow it to be replicated again
DROP TABLE t1;

# Restore slave's server_id and start slave again
--eval SET @@GLOBAL.server_id= $original_slave_server_id
--source include/start_slave.inc
--source include/rpl_connection_master.inc
--source include/sync_slave_sql_with_master.inc

##
## Part Two: Server didn't initialized slave at startup (server_id = 0)
##

# Restart the slave with server_id=0
--let $rpl_server_number= 2
--let $rpl_server_parameters= --server-id=0
--source include/rpl_restart_server.inc

# Assert that the slave was started with server_id=0
--source include/rpl_connection_slave.inc
--let $assert_text= slave's server_id was 0 at startup
--let $assert_cond= [ SELECT @@GLOBAL.server_id = 0 ]
--source include/assert.inc

# Start slave should fail as not configured
--error ER_SLAVE_CONFIGURATION
START SLAVE;

# Change master should fail as slave not configured
--error ER_SLAVE_CONFIGURATION
CHANGE MASTER TO MASTER_LOG_POS=4;

# Start slave for channel should fail as not configured
--error ER_SLAVE_CONFIGURATION
START SLAVE FOR CHANNEL 'any_channel';

# Change master for channel should fail as slave not configured
--error ER_SLAVE_CONFIGURATION
CHANGE MASTER TO MASTER_LOG_POS=4 FOR CHANNEL 'any_channel';

# Set original slave's server_id into @@GLOBAL.server_id
--eval SET @@GLOBAL.server_id= $original_slave_server_id

# Start slave should still fail as not configured
--error ER_SLAVE_CONFIGURATION
START SLAVE;

# Change master should still fail as slave not configured
--error ER_SLAVE_CONFIGURATION
CHANGE MASTER TO MASTER_LOG_POS=4;

# Start slave for channel should still fail as not configured
--error ER_SLAVE_CONFIGURATION
START SLAVE FOR CHANNEL 'any_channel';

# Change master for channel should still fail as slave not configured
--error ER_SLAVE_CONFIGURATION
CHANGE MASTER TO MASTER_LOG_POS=4 FOR CHANNEL 'any_channel';
##
## Cleanup
##

# Restart the slave with server_id=2
--let $rpl_server_number= 2
--let $rpl_server_parameters= --server-id=2
--source include/rpl_restart_server.inc

# Restart the slave to allow the test case to sync when finishing
--source include/rpl_connection_slave.inc
--source include/start_slave.inc

# Master cleanup
--source include/rpl_connection_master.inc
DROP TABLE t1;
--source include/rpl_end.inc