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Handle Reader thread termination gracefully (#482)
Signed-off-by: Khushboo Rajput <khushbr@amazon.com>
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75 changes: 75 additions & 0 deletions
75
src/main/java/org/opensearch/performanceanalyzer/LocalhostConnectionUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
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| package org.opensearch.performanceanalyzer; | ||
|
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| import io.netty.handler.codec.http.HttpMethod; | ||
| import java.io.DataOutputStream; | ||
| import java.net.HttpURLConnection; | ||
| import java.net.URL; | ||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
| import org.opensearch.performanceanalyzer.core.Util; | ||
|
|
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| public class LocalhostConnectionUtil { | ||
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| private static final int TIMEOUT_MILLIS = 30000; | ||
|
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| private static final Logger LOG = LogManager.getLogger(LocalhostConnectionUtil.class); | ||
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| public static void disablePA() throws InterruptedException { | ||
| String PA_CONFIG_PATH = Util.PA_BASE_URL + "/cluster/config"; | ||
| String PA_DISABLE_PAYLOAD = "{\"enabled\": false}"; | ||
| int retryCount = 5; | ||
|
|
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| while (retryCount > 0) { | ||
| HttpURLConnection connection = null; | ||
| try { | ||
| connection = createHTTPConnection(PA_CONFIG_PATH, HttpMethod.POST); | ||
| DataOutputStream stream = new DataOutputStream(connection.getOutputStream()); | ||
| stream.writeBytes(PA_DISABLE_PAYLOAD); | ||
| stream.flush(); | ||
| stream.close(); | ||
| LOG.info( | ||
| "PA Disable Response: " | ||
| + connection.getResponseCode() | ||
| + " " | ||
| + connection.getResponseMessage()); | ||
| if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) { | ||
| return; | ||
| } | ||
| } catch (Exception e) { | ||
| LOG.error("PA Disable Request failed: " + e.getMessage(), e); | ||
| } finally { | ||
| if (connection != null) { | ||
| connection.disconnect(); | ||
| } | ||
| } | ||
| --retryCount; | ||
| Thread.sleep((int) (60000 * (Math.random() * 2) + 100)); | ||
| } | ||
| throw new RuntimeException("Failed to disable PA after 5 attempts"); | ||
| } | ||
|
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| private static HttpURLConnection createHTTPConnection(String path, HttpMethod httpMethod) { | ||
| try { | ||
| String endPoint = "http://localhost:9200" + path; | ||
| URL endpointUrl = new URL(endPoint); | ||
| HttpURLConnection connection = (HttpURLConnection) endpointUrl.openConnection(); | ||
| connection.setRequestMethod(httpMethod.toString()); | ||
| connection.setRequestProperty("Content-Type", "application/json"); | ||
|
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| connection.setConnectTimeout(TIMEOUT_MILLIS); | ||
| connection.setReadTimeout(TIMEOUT_MILLIS); | ||
| connection.setUseCaches(false); | ||
| connection.setDoOutput(true); | ||
| return connection; | ||
| } catch (Exception e) { | ||
| throw new RuntimeException( | ||
| "Failed to create OpenSearch Connection: " + e.getMessage(), e); | ||
| } | ||
| } | ||
| } |
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