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| 1 | +/* |
| 2 | + * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one |
| 3 | + * or more contributor license agreements. Licensed under the Elastic License |
| 4 | + * 2.0; you may not use this file except in compliance with the Elastic License |
| 5 | + * 2.0. |
| 6 | + */ |
| 7 | + |
| 8 | +package org.elasticsearch.xpack.oteldata.otlp; |
| 9 | + |
| 10 | +import io.opentelemetry.proto.collector.metrics.v1.ExportMetricsPartialSuccess; |
| 11 | +import io.opentelemetry.proto.collector.metrics.v1.ExportMetricsServiceRequest; |
| 12 | +import io.opentelemetry.proto.collector.metrics.v1.ExportMetricsServiceResponse; |
| 13 | +import io.opentelemetry.proto.metrics.v1.Metric; |
| 14 | + |
| 15 | +import com.google.protobuf.InvalidProtocolBufferException; |
| 16 | + |
| 17 | +import org.elasticsearch.action.ActionListener; |
| 18 | +import org.elasticsearch.action.DocWriteRequest; |
| 19 | +import org.elasticsearch.action.DocWriteResponse; |
| 20 | +import org.elasticsearch.action.bulk.BulkItemResponse; |
| 21 | +import org.elasticsearch.action.bulk.BulkRequestBuilder; |
| 22 | +import org.elasticsearch.action.bulk.BulkResponse; |
| 23 | +import org.elasticsearch.action.support.ActionFilters; |
| 24 | +import org.elasticsearch.client.internal.Client; |
| 25 | +import org.elasticsearch.common.bytes.BytesArray; |
| 26 | +import org.elasticsearch.rest.RestStatus; |
| 27 | +import org.elasticsearch.test.ESTestCase; |
| 28 | +import org.elasticsearch.threadpool.ThreadPool; |
| 29 | +import org.elasticsearch.transport.TransportService; |
| 30 | +import org.elasticsearch.xpack.oteldata.otlp.OTLPMetricsTransportAction.MetricsResponse; |
| 31 | +import org.mockito.ArgumentCaptor; |
| 32 | + |
| 33 | +import java.util.Arrays; |
| 34 | +import java.util.List; |
| 35 | +import java.util.function.Consumer; |
| 36 | + |
| 37 | +import static org.elasticsearch.xpack.oteldata.otlp.OtlpUtils.keyValue; |
| 38 | +import static org.hamcrest.Matchers.containsString; |
| 39 | +import static org.hamcrest.Matchers.equalTo; |
| 40 | +import static org.mockito.ArgumentMatchers.any; |
| 41 | +import static org.mockito.Mockito.doNothing; |
| 42 | +import static org.mockito.Mockito.doThrow; |
| 43 | +import static org.mockito.Mockito.mock; |
| 44 | +import static org.mockito.Mockito.verify; |
| 45 | +import static org.mockito.Mockito.when; |
| 46 | + |
| 47 | +public class OTLPMetricsTransportActionTests extends ESTestCase { |
| 48 | + |
| 49 | + private OTLPMetricsTransportAction action; |
| 50 | + private Client client; |
| 51 | + |
| 52 | + @Override |
| 53 | + public void setUp() throws Exception { |
| 54 | + super.setUp(); |
| 55 | + client = mock(Client.class); |
| 56 | + when(client.prepareBulk()).thenAnswer(invocation -> new BulkRequestBuilder(client)); |
| 57 | + |
| 58 | + action = new OTLPMetricsTransportAction(mock(TransportService.class), mock(ActionFilters.class), mock(ThreadPool.class), client); |
| 59 | + } |
| 60 | + |
| 61 | + public void testSuccess() throws Exception { |
| 62 | + MetricsResponse response = executeRequest(createMetricsRequest(createMetric())); |
| 63 | + |
| 64 | + assertThat(response.getStatus(), equalTo(RestStatus.OK)); |
| 65 | + ExportMetricsServiceResponse metricsServiceResponse = ExportMetricsServiceResponse.parseFrom(response.getResponse().array()); |
| 66 | + assertThat(metricsServiceResponse.hasPartialSuccess(), equalTo(false)); |
| 67 | + } |
| 68 | + |
| 69 | + public void testSuccessEmptyRequest() throws Exception { |
| 70 | + MetricsResponse response = executeRequest(createMetricsRequest()); |
| 71 | + |
| 72 | + assertThat(response.getStatus(), equalTo(RestStatus.OK)); |
| 73 | + ExportMetricsServiceResponse metricsServiceResponse = ExportMetricsServiceResponse.parseFrom(response.getResponse().array()); |
| 74 | + assertThat(metricsServiceResponse.hasPartialSuccess(), equalTo(false)); |
| 75 | + } |
| 76 | + |
| 77 | + public void test429() throws Exception { |
| 78 | + BulkItemResponse[] bulkItemResponses = new BulkItemResponse[] { |
| 79 | + failureResponse(RestStatus.TOO_MANY_REQUESTS, "too many requests"), |
| 80 | + successResponse() }; |
| 81 | + MetricsResponse response = executeRequest(createMetricsRequest(createMetric()), new BulkResponse(bulkItemResponses, 0)); |
| 82 | + |
| 83 | + assertThat(response.getStatus(), equalTo(RestStatus.TOO_MANY_REQUESTS)); |
| 84 | + ExportMetricsPartialSuccess metricsServiceResponse = ExportMetricsPartialSuccess.parseFrom(response.getResponse().array()); |
| 85 | + assertThat( |
| 86 | + metricsServiceResponse.getRejectedDataPoints(), |
| 87 | + equalTo(Arrays.stream(bulkItemResponses).filter(BulkItemResponse::isFailed).count()) |
| 88 | + ); |
| 89 | + assertThat(metricsServiceResponse.getErrorMessage(), containsString("too many requests")); |
| 90 | + } |
| 91 | + |
| 92 | + public void testPartialSuccess() throws Exception { |
| 93 | + MetricsResponse response = executeRequest( |
| 94 | + createMetricsRequest(createMetric()), |
| 95 | + new BulkResponse(new BulkItemResponse[] { failureResponse(RestStatus.BAD_REQUEST, "bad request") }, 0) |
| 96 | + ); |
| 97 | + |
| 98 | + assertThat(response.getStatus(), equalTo(RestStatus.OK)); |
| 99 | + ExportMetricsPartialSuccess metricsServiceResponse = ExportMetricsPartialSuccess.parseFrom(response.getResponse().array()); |
| 100 | + assertThat(metricsServiceResponse.getRejectedDataPoints(), equalTo(1L)); |
| 101 | + assertThat(metricsServiceResponse.getErrorMessage(), containsString("bad request")); |
| 102 | + } |
| 103 | + |
| 104 | + public void testBulkError() throws Exception { |
| 105 | + assertExceptionStatus(new IllegalArgumentException("bazinga"), RestStatus.BAD_REQUEST); |
| 106 | + assertExceptionStatus(new IllegalStateException("bazinga"), RestStatus.INTERNAL_SERVER_ERROR); |
| 107 | + } |
| 108 | + |
| 109 | + private void assertExceptionStatus(Exception exception, RestStatus restStatus) throws InvalidProtocolBufferException { |
| 110 | + if (randomBoolean()) { |
| 111 | + doThrow(exception).when(client).execute(any(), any(), any()); |
| 112 | + } |
| 113 | + MetricsResponse response = executeRequest(createMetricsRequest(createMetric()), exception); |
| 114 | + |
| 115 | + assertThat(response.getStatus(), equalTo(restStatus)); |
| 116 | + ExportMetricsPartialSuccess metricsServiceResponse = ExportMetricsPartialSuccess.parseFrom(response.getResponse().array()); |
| 117 | + assertThat(metricsServiceResponse.getRejectedDataPoints(), equalTo(1L)); |
| 118 | + assertThat(metricsServiceResponse.getErrorMessage(), equalTo(exception.getMessage())); |
| 119 | + } |
| 120 | + |
| 121 | + private MetricsResponse executeRequest(OTLPMetricsTransportAction.MetricsRequest request) { |
| 122 | + return executeRequest(request, listener -> listener.onResponse(new BulkResponse(new BulkItemResponse[] {}, 0))); |
| 123 | + } |
| 124 | + |
| 125 | + private MetricsResponse executeRequest(OTLPMetricsTransportAction.MetricsRequest request, BulkResponse bulkResponse) { |
| 126 | + return executeRequest(request, listener -> listener.onResponse(bulkResponse)); |
| 127 | + } |
| 128 | + |
| 129 | + private MetricsResponse executeRequest(OTLPMetricsTransportAction.MetricsRequest request, Exception bulkFailure) { |
| 130 | + return executeRequest(request, listener -> listener.onFailure(bulkFailure)); |
| 131 | + } |
| 132 | + |
| 133 | + private MetricsResponse executeRequest( |
| 134 | + OTLPMetricsTransportAction.MetricsRequest request, |
| 135 | + Consumer<ActionListener<BulkResponse>> bulkResponseConsumer |
| 136 | + ) { |
| 137 | + ArgumentCaptor<ActionListener<BulkResponse>> bulkResponseListener = ArgumentCaptor.captor(); |
| 138 | + doNothing().when(client).execute(any(), any(), bulkResponseListener.capture()); |
| 139 | + |
| 140 | + ActionListener<MetricsResponse> metricsResponseListener = mock(); |
| 141 | + action.doExecute(null, request, metricsResponseListener); |
| 142 | + if (bulkResponseListener.getAllValues().isEmpty() == false) { |
| 143 | + bulkResponseConsumer.accept(bulkResponseListener.getValue()); |
| 144 | + } |
| 145 | + |
| 146 | + ArgumentCaptor<MetricsResponse> response = ArgumentCaptor.forClass(MetricsResponse.class); |
| 147 | + verify(metricsResponseListener).onResponse(response.capture()); |
| 148 | + return response.getValue(); |
| 149 | + } |
| 150 | + |
| 151 | + private static OTLPMetricsTransportAction.MetricsRequest createMetricsRequest(Metric... metrics) { |
| 152 | + return new OTLPMetricsTransportAction.MetricsRequest( |
| 153 | + new BytesArray( |
| 154 | + ExportMetricsServiceRequest.newBuilder() |
| 155 | + .addResourceMetrics( |
| 156 | + OtlpUtils.createResourceMetrics( |
| 157 | + List.of(keyValue("service.name", "test-service")), |
| 158 | + List.of(OtlpUtils.createScopeMetrics("test", "1.0.0", List.of(metrics))) |
| 159 | + ) |
| 160 | + ) |
| 161 | + .build() |
| 162 | + .toByteArray() |
| 163 | + ) |
| 164 | + ); |
| 165 | + } |
| 166 | + |
| 167 | + private static Metric createMetric() { |
| 168 | + return OtlpUtils.createGaugeMetric("test.metric", "", List.of(OtlpUtils.createDoubleDataPoint(0))); |
| 169 | + } |
| 170 | + |
| 171 | + private static BulkItemResponse successResponse() { |
| 172 | + return BulkItemResponse.success(-1, DocWriteRequest.OpType.CREATE, mock(DocWriteResponse.class)); |
| 173 | + } |
| 174 | + |
| 175 | + private static BulkItemResponse failureResponse(RestStatus restStatus, String failureMessage) { |
| 176 | + return BulkItemResponse.failure( |
| 177 | + -1, |
| 178 | + DocWriteRequest.OpType.CREATE, |
| 179 | + new BulkItemResponse.Failure("index", "id", new RuntimeException(failureMessage), restStatus) |
| 180 | + ); |
| 181 | + } |
| 182 | + |
| 183 | +} |
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