org.apache.pulsar.client.impl.metrics.MetricsUtil Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.pulsar.client.impl.metrics;
import org.apache.pulsar.shade.com.google.common.collect.Lists;
import io.opentelemetry.api.common.AttributeKey;
import io.opentelemetry.api.common.Attributes;
import io.opentelemetry.api.common.AttributesBuilder;
import java.util.ArrayList;
import java.util.List;
import lombok.experimental.UtilityClass;
import org.apache.pulsar.common.naming.TopicName;
@UtilityClass
public class MetricsUtil {
// By default, advice to use namespace level aggregation only
private static final List> DEFAULT_AGGREGATION_LABELS = Lists.newArrayList(
AttributeKey.stringKey("pulsar.tenant"),
AttributeKey.stringKey("pulsar.namespace")
);
static List> getDefaultAggregationLabels(Attributes attrs) {
List> res = new ArrayList<>();
res.addAll(DEFAULT_AGGREGATION_LABELS);
res.addAll(attrs.asMap().keySet());
return res;
}
static Attributes getTopicAttributes(String topic, Attributes baseAttributes) {
TopicName tn = TopicName.get(topic);
AttributesBuilder ab = baseAttributes.toBuilder();
if (tn.isPartitioned()) {
ab.put("pulsar.partition", tn.getPartitionIndex());
}
ab.put("pulsar.topic", tn.getPartitionedTopicName());
ab.put("pulsar.namespace", tn.getNamespace());
ab.put("pulsar.tenant", tn.getTenant());
return ab.build();
}
}