public void testCustomCircuitBreakerRegistration() throws Exception {
Iterable<CircuitBreakerService> serviceIter =
internalCluster().getInstances(CircuitBreakerService.class);
final String breakerName = "customBreaker";
BreakerSettings breakerSettings = new BreakerSettings(breakerName, 8, 1.03);
CircuitBreaker breaker = null;
for (CircuitBreakerService s : serviceIter) {
s.registerBreaker(breakerSettings);
breaker = s.getBreaker(breakerSettings.getName());
}
if (breaker != null) {
try {
breaker.addEstimateBytesAndMaybeBreak(16, "test");
} catch (CircuitBreakingException e) {
// ignore, we forced a circuit break
}
}
NodesStatsResponse stats =
client().admin().cluster().prepareNodesStats().clear().setBreaker(true).get();
int breaks = 0;
for (NodeStats stat : stats.getNodes()) {
CircuitBreakerStats breakerStats = stat.getBreaker().getStats(breakerName);
breaks += breakerStats.getTrippedCount();
}
assertThat(breaks, greaterThanOrEqualTo(1));
}
