195a016b7c
The test now uses the @@server_id server variable to detect which server is used. This is a lot less error prone than comparing hostnames is.
68 lines
2.0 KiB
C++
68 lines
2.0 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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test.set_timeout(60);
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test.repl->connect();
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auto ids = test.repl->get_all_server_ids();
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test.repl->disconnect();
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auto conn = test.maxscales->rwsplit();
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test.expect(conn.connect(), "Connection to rwsplit should work: %s", conn.error());
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auto first_slave = conn.field("SELECT @@server_id");
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conn.disconnect();
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test.expect(!first_slave.empty(), "Result should not be empty");
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int slave = std::stoi(first_slave);
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test.expect(slave != ids[0], "The result should not be from the master");
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test.set_timeout(60);
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for (int i = 1; i < test.repl->N; i++)
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{
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if (ids[i] == slave)
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{
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test.repl->block_node(i);
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test.maxscales->wait_for_monitor();
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break;
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}
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}
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test.set_timeout(60);
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test.expect(conn.connect(), "Connection to rwsplit should work: %s", conn.error());
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auto second_slave = conn.field("SELECT @@server_id");
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test.expect(!second_slave.empty(), "Second result should not be empty");
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test.expect(first_slave != second_slave, "The slave should change");
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slave = std::stoi(second_slave);
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test.expect(slave != ids[0], "The result should not be from the master");
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for (int i = 1; i < test.repl->N; i++)
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{
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if (ids[i] == slave)
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{
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test.repl->unblock_node(i);
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break;
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}
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}
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return test.global_result;
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}
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