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Allow runtime changes to service parameters

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General service parameters can now be altered at runtime.
This commit is contained in:
Markus Mäkelä
2017-04-25 16:01:09 +03:00
parent f7fefad2e6
commit d282b14b36
3 changed files with 150 additions and 0 deletions
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80
server/core/config_runtime.cc
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@ -474,6 +474,86 @@ bool runtime_alter_monitor(MXS_MONITOR *monitor, const char *key, const char *va
return valid;
}
bool runtime_alter_service(SERVICE *service, const char* zKey, const char* zValue)
{
string key(zKey);
string value(zValue);
bool valid = true;
spinlock_acquire(&crt_lock);
if (key == CN_USER)
{
serviceSetUser(service, value.c_str(), service->credentials.authdata);
}
else if (key == CN_PASSWORD)
{
serviceSetUser(service, service->credentials.name, value.c_str());
}
else if (key == CN_ENABLE_ROOT_USER)
{
serviceEnableRootUser(service, config_truth_value(value.c_str()));
}
else if (key == CN_MAX_RETRY_INTERVAL)
{
service_set_retry_interval(service, strtol(value.c_str(), NULL, 10));
}
else if (key == CN_MAX_CONNECTIONS)
{
// TODO: Once connection queues are implemented, use correct values
serviceSetConnectionLimits(service, strtol(value.c_str(), NULL, 10), 0, 0);
}
else if (key == CN_CONNECTION_TIMEOUT)
{
serviceSetTimeout(service, strtol(value.c_str(), NULL, 10));
}
else if (key == CN_AUTH_ALL_SERVERS)
{
serviceAuthAllServers(service, config_truth_value(value.c_str()));
}
else if (key == CN_STRIP_DB_ESC)
{
serviceStripDbEsc(service, config_truth_value(value.c_str()));
}
else if (key == CN_LOCALHOST_MATCH_WILDCARD_HOST)
{
serviceEnableLocalhostMatchWildcardHost(service, config_truth_value(value.c_str()));
}
else if (key == CN_VERSION_STRING)
{
serviceSetVersionString(service, value.c_str());
}
else if (key == CN_WEIGHTBY)
{
serviceWeightBy(service, value.c_str());
}
else if (key == CN_LOG_AUTH_WARNINGS)
{
// TODO: Move this inside the service source
service->log_auth_warnings = config_truth_value(value.c_str());
}
else if (key == CN_RETRY_ON_FAILURE)
{
serviceSetRetryOnFailure(service, value.c_str());
}
else
{
MXS_ERROR("Unknown parameter for service '%s': %s=%s",
service->name, key.c_str(), value.c_str());
valid = false;
}
if (valid)
{
service_serialize(service);
MXS_NOTICE("Updated service '%s': %s=%s", service->name, key.c_str(), value.c_str());
}
spinlock_release(&crt_lock);
return valid;
}
bool runtime_create_listener(SERVICE *service, const char *name, const char *addr,
const char *port, const char *proto, const char *auth,
const char *auth_opt, const char *ssl_key,