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Print server logs on failure to start

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When the MariaDB server exits with an error, the logs help explain why
that happened.
This commit is contained in:
Markus Mäkelä
2018-11-11 08:01:54 +02:00
parent 370483fb4b
commit 07231747bf
1 changed files with 15 additions and 1 deletions
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16
maxscale-system-test/mariadb_nodes.cpp
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@ -458,6 +458,10 @@ int Galera_nodes::start_galera()
if (start_node(0, (char*) " --wsrep-cluster-address=gcomm://") != 0) if (start_node(0, (char*) " --wsrep-cluster-address=gcomm://") != 0)
{ {
cout << "Failed to start first node, trying to prepare it again" << endl;
cout << "---------- BEGIN LOGS ----------" << endl;
ssh_node_f(0, true, "sudo journalctl -u mariadb | tail -n 50");
cout << "----------- END LOGS -----------" << endl;
prepare_server(0); prepare_server(0);
local_result += start_node(0, (char*) " --wsrep-cluster-address=gcomm://"); local_result += start_node(0, (char*) " --wsrep-cluster-address=gcomm://");
} }
@ -473,6 +477,7 @@ int Galera_nodes::start_galera()
ssh_node(0, str, false); ssh_node(0, str, false);
std::vector<std::thread> threads; std::vector<std::thread> threads;
std::mutex lock;
for (int i = 1; i < N; i++) for (int i = 1; i < N; i++)
{ {
@ -495,8 +500,17 @@ int Galera_nodes::start_galera()
printf("%s\n", sys1); printf("%s\n", sys1);
fflush(stdout); fflush(stdout);
} }
local_result += start_node(i, sys1);
fflush(stdout); fflush(stdout);
if (start_node(i, sys1))
{
std::lock_guard<std::mutex> guard(lock);
cout << "Failed to start node " << i << endl;
cout << "---------- BEGIN LOGS ----------" << endl;
ssh_node_f(i, true, "sudo journalctl -u mariadb | tail -n 50");
cout << "----------- END LOGS -----------" << endl;
local_result++;
}
}; };
threads.emplace_back(func); threads.emplace_back(func);
} }