nva commented on code in PR #4531: URL: https://github.com/apache/ignite-3/pull/4531#discussion_r1842058604
########## modules/metrics-exporter-otlp/src/main/java/org/apache/ignite/internal/metrics/exporters/otlp/MetricProducer.java: ########## @@ -0,0 +1,157 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.internal.metrics.exporters.otlp; + +import static io.opentelemetry.sdk.metrics.data.AggregationTemporality.CUMULATIVE; +import static java.util.Collections.emptyList; +import static java.util.Collections.singleton; +import static java.util.stream.Collectors.toUnmodifiableList; + +import io.opentelemetry.api.common.Attributes; +import io.opentelemetry.sdk.common.Clock; +import io.opentelemetry.sdk.common.InstrumentationScopeInfo; +import io.opentelemetry.sdk.metrics.data.MetricData; +import io.opentelemetry.sdk.metrics.export.CollectionRegistration; +import io.opentelemetry.sdk.metrics.internal.data.ImmutableDoublePointData; +import io.opentelemetry.sdk.metrics.internal.data.ImmutableGaugeData; +import io.opentelemetry.sdk.metrics.internal.data.ImmutableHistogramData; +import io.opentelemetry.sdk.metrics.internal.data.ImmutableHistogramPointData; +import io.opentelemetry.sdk.metrics.internal.data.ImmutableLongPointData; +import io.opentelemetry.sdk.metrics.internal.data.ImmutableMetricData; +import io.opentelemetry.sdk.resources.Resource; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.UUID; +import java.util.function.Supplier; +import org.apache.ignite.internal.lang.IgniteBiTuple; +import org.apache.ignite.internal.metrics.DistributionMetric; +import org.apache.ignite.internal.metrics.DoubleMetric; +import org.apache.ignite.internal.metrics.IntMetric; +import org.apache.ignite.internal.metrics.LongMetric; +import org.apache.ignite.internal.metrics.Metric; +import org.apache.ignite.internal.metrics.MetricProvider; +import org.apache.ignite.internal.metrics.MetricSet; +import org.jetbrains.annotations.Nullable; + +/** + * Metrics producer which collect metrics in OpenTelemetry format. + */ +class MetricProducer implements CollectionRegistration { + private final MetricProvider metricsProvider; + + private final Supplier<UUID> clusterIdSupplier; + + private final String nodeName; + + MetricProducer(MetricProvider metricsProvider, Supplier<UUID> clusterIdSupplier, String nodeName) { + this.metricsProvider = metricsProvider; + this.clusterIdSupplier = clusterIdSupplier; + this.nodeName = nodeName; + } + + @Override + public Collection<MetricData> collectAllMetrics() { + IgniteBiTuple<Map<String, MetricSet>, Long> snapshot = metricsProvider.metrics(); + @Nullable Long metricCount = snapshot.getValue(); + + if (metricCount == null || Objects.equals(metricCount, 0L)) { + return emptyList(); + } + + long epochNanos = Clock.getDefault().now(); + + Resource resource = Resource.builder() + .put("service.name", clusterIdSupplier.get().toString()) + .put("service.instance.id", nodeName) + .build(); + + Collection<MetricData> result = new ArrayList<>(Math.toIntExact(metricCount)); + + for (MetricSet metricSet : snapshot.getKey().values()) { + InstrumentationScopeInfo scope = InstrumentationScopeInfo.builder(metricSet.name()) + .build(); + + for (Metric metric : metricSet) { + if (metric instanceof IntMetric) { + IntMetric intMetric = (IntMetric) metric; + + result.add(ImmutableMetricData.createLongGauge( Review Comment: Added prepared set of wrappers under the real metrics. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: notifications-unsubscr...@ignite.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
