SOLR-17436: Create a v2 equivalent for /admin/metrics #4057
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| # See https://github.com/apache/solr/blob/main/dev-docs/changelog.adoc | ||
| title: Create a v2 equivalent for /admin/metrics | ||
| type: added # added, changed, fixed, deprecated, removed, dependency_update, security, other | ||
| authors: | ||
| - name: Isabelle Giguère | ||
| links: | ||
| - name: SOLR-17436 | ||
| url: https://issues.apache.org/jira/browse/SOLR-17436 |
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| /* | ||
| * 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.solr.client.api.endpoint; | ||
|
|
||
| import static org.apache.solr.client.api.util.Constants.RAW_OUTPUT_PROPERTY; | ||
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| import io.swagger.v3.oas.annotations.Operation; | ||
| import io.swagger.v3.oas.annotations.Parameter; | ||
| import io.swagger.v3.oas.annotations.extensions.Extension; | ||
| import io.swagger.v3.oas.annotations.extensions.ExtensionProperty; | ||
| import io.swagger.v3.oas.annotations.media.Schema; | ||
| import jakarta.ws.rs.GET; | ||
| import jakarta.ws.rs.HeaderParam; | ||
| import jakarta.ws.rs.Path; | ||
| import jakarta.ws.rs.QueryParam; | ||
| import jakarta.ws.rs.core.StreamingOutput; | ||
|
|
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| /** V2 API definitions to fetch metrics. */ | ||
| @Path("/metrics") | ||
| public interface MetricsApi { | ||
|
|
||
| @GET | ||
| @Operation( | ||
| summary = "Retrieve metrics gathered by Solr.", | ||
| tags = {"metrics"}, | ||
| extensions = { | ||
| @Extension(properties = {@ExtensionProperty(name = RAW_OUTPUT_PROPERTY, value = "true")}) | ||
| }) | ||
| StreamingOutput getMetrics( | ||
| @HeaderParam("Accept") String acceptHeader, | ||
| @Parameter( | ||
| schema = | ||
| @Schema( | ||
| name = "node", | ||
| description = "Name of the node to which proxy the request.", | ||
| defaultValue = "all")) | ||
| @QueryParam(value = "node") | ||
| String node, | ||
| @Parameter(schema = @Schema(name = "name", description = "The metric name to filter on.")) | ||
| @QueryParam(value = "name") | ||
| String name, | ||
| @Parameter( | ||
| schema = @Schema(name = "category", description = "The category label to filter on.")) | ||
| @QueryParam(value = "category") | ||
| String category, | ||
| @Parameter( | ||
| schema = | ||
| @Schema( | ||
| name = "core", | ||
| description = | ||
| "TThe core name to filter on. More than one core can be specified in a comma-separated list.")) | ||
| @QueryParam(value = "core") | ||
| String core, | ||
| @Parameter( | ||
| schema = | ||
| @Schema(name = "collection", description = "The collection name to filter on. ")) | ||
| @QueryParam(value = "collection") | ||
| String collection, | ||
| @Parameter(schema = @Schema(name = "shard", description = "The shard name to filter on.")) | ||
| @QueryParam(value = "shard") | ||
| String shard, | ||
| @Parameter( | ||
| schema = | ||
| @Schema( | ||
| name = "replica_type", | ||
| description = "The replica type to filter on.", | ||
| allowableValues = {"NRT", "TLOG", "PULL"})) | ||
| @QueryParam(value = "replica_type") | ||
| String replicaType); | ||
| } | ||
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[+1] Just came here from SOLR-17436 where you left a comment or two about struggling to get the template-generated code to compile. Glad you were able to find "StreamingOutput" and this property, that's exactly the right approach!