Fix: gracefully handle connection refuse due to kafka broker down

Change-Id: Ia2f6c9dc19326eda237b621d8a430a23cb62f0eb
This commit is contained in:
Jian Li 2019-01-09 17:10:12 +09:00
parent 27e94e4057
commit b3b0168b72

View File

@ -42,6 +42,18 @@ import java.util.Properties;
import java.util.Set; import java.util.Set;
import java.util.concurrent.Future; import java.util.concurrent.Future;
import static org.apache.kafka.clients.producer.ProducerConfig.ACKS_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.BATCH_SIZE_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.BOOTSTRAP_SERVERS_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.BUFFER_MEMORY_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.LINGER_MS_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.METADATA_FETCH_TIMEOUT_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.RECONNECT_BACKOFF_MS_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.RETRIES_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.RETRY_BACKOFF_MS_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.TIMEOUT_CONFIG;
import static org.apache.kafka.clients.producer.ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG;
import static org.onosproject.openstacktelemetry.api.Constants.KAFKA_SCHEME; import static org.onosproject.openstacktelemetry.api.Constants.KAFKA_SCHEME;
import static org.onosproject.openstacktelemetry.api.config.TelemetryConfig.ConfigType.KAFKA; import static org.onosproject.openstacktelemetry.api.config.TelemetryConfig.ConfigType.KAFKA;
import static org.onosproject.openstacktelemetry.api.config.TelemetryConfig.Status.ENABLED; import static org.onosproject.openstacktelemetry.api.config.TelemetryConfig.Status.ENABLED;
@ -56,14 +68,10 @@ public class KafkaTelemetryManager implements KafkaTelemetryAdminService {
private final Logger log = LoggerFactory.getLogger(getClass()); private final Logger log = LoggerFactory.getLogger(getClass());
private static final String BOOTSTRAP_SERVERS = "bootstrap.servers"; private static final int METADATA_FETCH_TIMEOUT_VAL = 300;
private static final String RETRIES = "retries"; private static final int TIMEOUT_VAL = 300;
private static final String ACKS = "acks"; private static final int RETRY_BACKOFF_MS_VAL = 10000;
private static final String BATCH_SIZE = "batch.size"; private static final int RECONNECT_BACKOFF_MS_VAL = 10000;
private static final String LINGER_MS = "linger.ms";
private static final String MEMORY_BUFFER = "buffer.memory";
private static final String KEY_SERIALIZER = "key.serializer";
private static final String VALUE_SERIALIZER = "value.serializer";
@Reference(cardinality = ReferenceCardinality.MANDATORY) @Reference(cardinality = ReferenceCardinality.MANDATORY)
protected OpenstackTelemetryService openstackTelemetryService; protected OpenstackTelemetryService openstackTelemetryService;
@ -139,14 +147,18 @@ public class KafkaTelemetryManager implements KafkaTelemetryAdminService {
// Configure Kafka server properties // Configure Kafka server properties
Properties prop = new Properties(); Properties prop = new Properties();
prop.put(BOOTSTRAP_SERVERS, kafkaServerBuilder.toString()); prop.put(BOOTSTRAP_SERVERS_CONFIG, kafkaServerBuilder.toString());
prop.put(RETRIES, kafkaConfig.retries()); prop.put(RETRIES_CONFIG, kafkaConfig.retries());
prop.put(ACKS, kafkaConfig.requiredAcks()); prop.put(ACKS_CONFIG, kafkaConfig.requiredAcks());
prop.put(BATCH_SIZE, kafkaConfig.batchSize()); prop.put(BATCH_SIZE_CONFIG, kafkaConfig.batchSize());
prop.put(LINGER_MS, kafkaConfig.lingerMs()); prop.put(LINGER_MS_CONFIG, kafkaConfig.lingerMs());
prop.put(MEMORY_BUFFER, kafkaConfig.memoryBuffer()); prop.put(BUFFER_MEMORY_CONFIG, kafkaConfig.memoryBuffer());
prop.put(KEY_SERIALIZER, kafkaConfig.keySerializer()); prop.put(KEY_SERIALIZER_CLASS_CONFIG, kafkaConfig.keySerializer());
prop.put(VALUE_SERIALIZER, kafkaConfig.valueSerializer()); prop.put(VALUE_SERIALIZER_CLASS_CONFIG, kafkaConfig.valueSerializer());
prop.put(METADATA_FETCH_TIMEOUT_CONFIG, METADATA_FETCH_TIMEOUT_VAL);
prop.put(TIMEOUT_CONFIG, TIMEOUT_VAL);
prop.put(RETRY_BACKOFF_MS_CONFIG, RETRY_BACKOFF_MS_VAL);
prop.put(RECONNECT_BACKOFF_MS_CONFIG, RECONNECT_BACKOFF_MS_VAL);
if (testConnectivity(kafkaConfig.address(), kafkaConfig.port())) { if (testConnectivity(kafkaConfig.address(), kafkaConfig.port())) {
producers.put(name, new KafkaProducer<>(prop)); producers.put(name, new KafkaProducer<>(prop));