gboolean
http_dd_init(LogPipe *s)
{
HTTPDestinationDriver *self = (HTTPDestinationDriver *)s;
GlobalConfig *cfg = log_pipe_get_config(s);
if (self->load_balancer->num_targets == 0)
http_load_balancer_add_target(self->load_balancer, HTTP_DEFAULT_URL);
if (self->load_balancer->num_targets > 1 && s->persist_name == NULL)
{
msg_warning("WARNING: your http() driver instance uses multiple urls without persist-name(). "
"It is recommended that you set persist-name() in this case as syslog-ng will be "
"using the first URL in urls() to register persistent data, such as the disk queue "
"name, which might change",
evt_tag_str("url", self->load_balancer->targets[0].url));
}
/* we need to set up url before we call the inherited init method, so our stats key is correct */
self->url = self->load_balancer->targets[0].url;
if (!_setup_auth_header(s))
return FALSE;
if (!log_threaded_dest_driver_init_method(s))
return FALSE;
log_template_options_init(&self->template_options, cfg);
http_load_balancer_set_recovery_timeout(self->load_balancer, self->super.time_reopen);
return log_threaded_dest_driver_start_workers(&self->super);
}
Test(http_loadbalancer, failed_servers_are_reattempted_after_recovery_time)
{
HTTPLoadBalancer *lb = _construct_load_balancer();
HTTPLoadBalancerClient lbc[NUM_CLIENTS];
HTTPLoadBalancerTarget *target;
http_load_balancer_set_recovery_timeout(lb, 1);
_setup_lb_clients(lb, lbc, G_N_ELEMENTS(lbc));
http_load_balancer_set_target_failed(lb, &lb->targets[0]);
for (gint i = 0; i < G_N_ELEMENTS(lbc); i++)
{
target = http_load_balancer_choose_target(lb, &lbc[i]);
cr_assert(target->state == HTTP_TARGET_OPERATIONAL,
"As it seems the test lost its race against the load"
"balancer's 1 seconds recovery timeout. You can always bump"
"the timeout a bit higher, but hey this loop is 16 iterations"
"long, that should be doable in 1 second.");
}
sleep(1);
target = http_load_balancer_choose_target(lb, &lbc[0]);
cr_assert(target->state == HTTP_TARGET_FAILED);
_teardown_lb_clients(lb, lbc, G_N_ELEMENTS(lbc));
http_load_balancer_free(lb);
}
