54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/**
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* @file slave_failover.cpp Check how Maxscale works in case of one slave failure, only one slave is
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* configured
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*
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* - Connect to RWSplit
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* - find which backend slave is used for connection
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* - blocm mariadb on the slave with firewall
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* - wait 60 seconds
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* - check which slave is used for connection now, expecting any other slave
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* - check warning in the error log about broken slave
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* - unblock mariadb backend (restore slave firewall settings)
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* - check if Maxscale still alive
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*/
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#include "testconnections.h"
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int main(int argc, char* argv[])
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{
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TestConnections test(argc, argv);
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printf("Connecting to RWSplit");
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test.set_timeout(60);
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test.add_result(test.maxscales->connect_rwsplit(0), "Error connection to RWSplit! Exiting");
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sleep(5);
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test.tprintf("Checking current slave");
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int res = 0;
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int old_slave = test.find_connected_slave(0, &res);
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test.add_result(res, "no current slave");
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test.tprintf("Setup firewall to block mysql on old slave (oldslave is node %d)", old_slave);
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test.add_result((old_slave < 0) || (old_slave >= test.repl->N), "Active slave is not found");
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test.repl->block_node(old_slave);
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test.tprintf("Waiting for MaxScale to find a new slave");
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test.stop_timeout();
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sleep(10);
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test.set_timeout(20);
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int current_slave = test.find_connected_slave(0, &res);
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test.add_result((current_slave == old_slave) || (current_slave < 0), "No failover happened");
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test.tprintf("Unblock old node");
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test.repl->unblock_node(old_slave);
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test.maxscales->close_rwsplit(0);
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test.check_maxscale_alive(0);
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test.stop_timeout();
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test.repl->fix_replication();
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return test.global_result;
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}
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