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Created an OpenSearchClient layer above the RestClient
Signed-off-by: Chris Helma <chelma+github@amazon.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| package com.rfs.common; | ||
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| import java.net.HttpURLConnection; | ||
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| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
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| import com.fasterxml.jackson.databind.node.ObjectNode; | ||
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| import reactor.core.publisher.Mono; | ||
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| public class OpenSearchClient { | ||
| private static final Logger logger = LogManager.getLogger(OpenSearchClient.class); | ||
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| public static class BulkResponse extends RestClient.Response { | ||
| public BulkResponse(int responseCode, String responseBody, String responseMessage) { | ||
| super(responseCode, responseBody, responseMessage); | ||
| } | ||
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| public boolean hasBadStatusCode() { | ||
| return !(code == HttpURLConnection.HTTP_OK || code == HttpURLConnection.HTTP_CREATED); | ||
| } | ||
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| public boolean hasFailedOperations() { | ||
| return body.contains("\"errors\":true"); | ||
| } | ||
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| public String getFailureMessage() { | ||
| String failureMessage; | ||
| if (hasBadStatusCode()) { | ||
| failureMessage = "Bulk request failed. Status code: " + code + ", Response body: " + body; | ||
| } else { | ||
| failureMessage = "Bulk request succeeded, but some operations failed. Response body: " + body; | ||
| } | ||
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| return failureMessage; | ||
| } | ||
| } | ||
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| public final ConnectionDetails connectionDetails; | ||
| private final RestClient client; | ||
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| public OpenSearchClient(ConnectionDetails connectionDetails) { | ||
| this.connectionDetails = connectionDetails; | ||
| this.client = new RestClient(connectionDetails); | ||
| } | ||
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| /* | ||
| * Create a legacy template if it does not already exist; return true if created, false otherwise. | ||
| */ | ||
| public boolean createLegacyTemplateIdempotent(String templateName, ObjectNode settings){ | ||
| String targetPath = "_template/" + templateName; | ||
| return createObjectIdempotent(targetPath, settings); | ||
| } | ||
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| /* | ||
| * Create a component template if it does not already exist; return true if created, false otherwise. | ||
| */ | ||
| public boolean createComponentTemplateIdempotent(String templateName, ObjectNode settings){ | ||
| String targetPath = "_component_template/" + templateName; | ||
| return createObjectIdempotent(targetPath, settings); | ||
| } | ||
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| /* | ||
| * Create an index template if it does not already exist; return true if created, false otherwise. | ||
| */ | ||
| public boolean createIndexTemplateIdempotent(String templateName, ObjectNode settings){ | ||
| String targetPath = "_index_template/" + templateName; | ||
| return createObjectIdempotent(targetPath, settings); | ||
| } | ||
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| /* | ||
| * Create an index if it does not already exist; return true if created, false otherwise. | ||
| */ | ||
| public boolean createIndexIdempotent(String indexName, ObjectNode settings){ | ||
| String targetPath = indexName; | ||
| return createObjectIdempotent(targetPath, settings); | ||
| } | ||
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| private boolean createObjectIdempotent(String objectPath, ObjectNode settings){ | ||
| RestClient.Response response = client.get(objectPath, true); | ||
| if (response.code == HttpURLConnection.HTTP_NOT_FOUND) { | ||
| client.put(objectPath, settings.toString(), false); | ||
| return true; | ||
| } else if (response.code == HttpURLConnection.HTTP_OK) { | ||
| logger.warn(objectPath + " already exists. Skipping creation."); | ||
| } else { | ||
| logger.warn("Could not confirm that " + objectPath + " does not already exist. Skipping creation."); | ||
| } | ||
| return false; | ||
| } | ||
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| public RestClient.Response registerSnapshotRepo(String repoName, ObjectNode settings){ | ||
| String targetPath = "_snapshot/" + repoName; | ||
| return client.put(targetPath, settings.toString(), false); | ||
| } | ||
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| public RestClient.Response createSnapshot(String repoName, String snapshotName, ObjectNode settings){ | ||
| String targetPath = "_snapshot/" + repoName + "/" + snapshotName; | ||
| return client.put(targetPath, settings.toString(), false); | ||
| } | ||
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| public RestClient.Response getSnapshotStatus(String repoName, String snapshotName){ | ||
| String targetPath = "_snapshot/" + repoName + "/" + snapshotName; | ||
| return client.get(targetPath, false); | ||
| } | ||
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| public Mono<BulkResponse> sendBulkRequest(String indexName, String body) { | ||
| String targetPath = indexName + "/_bulk"; | ||
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| return client.postAsync(targetPath, body) | ||
| .map(response -> new BulkResponse(response.code, response.body, response.message)) | ||
| .flatMap(responseDetails -> { | ||
| if (responseDetails.hasBadStatusCode() || responseDetails.hasFailedOperations()) { | ||
| logger.error(responseDetails.getFailureMessage()); | ||
| return Mono.error(new RuntimeException(responseDetails.getFailureMessage())); | ||
| } | ||
| return Mono.just(responseDetails); | ||
| }); | ||
| } | ||
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| public RestClient.Response refresh() { | ||
| String targetPath = "_refresh"; | ||
|
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| return client.get(targetPath, false); | ||
| } | ||
| } |
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