96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
/*
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* Copyright (c) 2018 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2023-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#include "testconnections.h"
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#include <maxbase/stopwatch.hh>
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namespace
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{
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// watchdog_interval 60 seconds, make sure it is the same in maxscale.service
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const maxbase::Duration watchdog_interval {60.0};
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// Return true if maxscale stays alive for the duration dur.
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bool staying_alive(TestConnections& test, const maxbase::Duration& dur)
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{
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bool alive = true;
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maxbase::StopWatch sw_loop_start;
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while (alive && sw_loop_start.split() < dur)
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{
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if (execute_query_silent(test.maxscales->conn_rwsplit[0], "select 1"))
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{
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alive = false;
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break;
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}
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}
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return alive;
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}
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// The bulk of the test.
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void test_watchdog(TestConnections& test, int argc, char* argv[])
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{
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test.log_includes(0, "The systemd watchdog is Enabled");
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// Wait for one watchdog interval, systemd should have been notified in that time.
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bool maxscale_alive = staying_alive(test, watchdog_interval);
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test.log_includes(0, "systemd watchdog keep-alive ping");
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test.set_timeout(2 * watchdog_interval.secs());
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// Make one thread in maxscale hang
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mysql_query(test.maxscales->conn_rwsplit[0], "select LUA_INFINITE_LOOP");
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// maxscale should get killed by systemd in less than duration(interval - epsilon).
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maxscale_alive = staying_alive(test, maxbase::Duration(1.2 * watchdog_interval.secs()));
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if (maxscale_alive)
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{
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test.add_result(true, "Although the systemd watchdog is enabled, "
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"systemd did not terminate maxscale!");
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}
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else
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{
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test.log_includes(0, "received fatal signal 6");
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if (test.global_result == 0)
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{
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test.tprintf("Maxscale was killed by systemd - ok");
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test.maxscales->ssh_node_f(0, true, "rm -f /tmp/core*");
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}
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}
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}
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}
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int main(int argc, char* argv[])
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{
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TestConnections::skip_maxscale_start(true);
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TestConnections test {argc, argv};
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std::string lua_file("/infinite_loop.lua");
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std::string from = test_dir + lua_file;
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std::string to = "/home/vagrant" + lua_file;
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test.maxscales->copy_to_node(0, from.c_str(), to.c_str());
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test.maxscales->start();
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sleep(2);
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test.maxscales->wait_for_monitor();
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test.maxscales->connect_maxscale(0);
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if (!test.global_result)
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{
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test_watchdog(test, argc, argv);
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}
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return test.global_result;
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}
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