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From GitBox <...@apache.org>
Subject [GitHub] [phoenix-queryserver] swaroopak commented on a change in pull request #5: PHOENIX-5255: Create Orchestrator for QueryServerCanaryTool in phoenix-queryserver project
Date Tue, 30 Apr 2019 03:43:07 GMT
swaroopak commented on a change in pull request #5: PHOENIX-5255: Create Orchestrator for QueryServerCanaryTool
in phoenix-queryserver project
URL: https://github.com/apache/phoenix-queryserver/pull/5#discussion_r279606256
 
 

 ##########
 File path: queryserver-orchestrator/src/main/java/org/apache/phoenix/queryserver/orchestrator/QueryServerCanaryOrchestrator.java
 ##########
 @@ -0,0 +1,117 @@
+package org.apache.phoenix.queryserver.orchestrator;
+
+import net.sourceforge.argparse4j.ArgumentParsers;
+import net.sourceforge.argparse4j.inf.ArgumentParser;
+import net.sourceforge.argparse4j.inf.ArgumentParserException;
+import net.sourceforge.argparse4j.inf.Namespace;
+import org.apache.curator.framework.CuratorFramework;
+import org.apache.curator.framework.CuratorFrameworkFactory;
+import org.apache.curator.retry.BoundedExponentialBackoffRetry;
+
+import org.apache.curator.utils.CloseableUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class QueryServerCanaryOrchestrator {
+	private static final Logger logger = LoggerFactory.getLogger(QueryServerCanaryOrchestrator.class);
+
+	private static String PATH = "/pqs/leader";
+
+	private static Namespace parseArgs(String[] args) {
+
+		ArgumentParser parser = ArgumentParsers.newFor("PQS Canary Orchestrator").build()
+				.description("PQS Canary Orchestrator");
+
+		parser.addArgument("--zkpath", "-zkp").type(String.class).nargs("?").setDefault(PATH)
+				.help("ZKNode path default: " + PATH);
+
+		parser.addArgument("--hostname", "-hn").type(String.class).nargs("?").help("Hostname on
"
+				+ "which PQS is running.");
+
+		parser.addArgument("--port", "-p").type(String.class).nargs("?").help("Port on which PQS
" +
+				"" + "" + "" + "" + "" + "" + "" + "is running.");
+
+		parser.addArgument("--constring", "-cs").type(String.class).nargs("?").help("Pass an "
+
+				"explicit " + "connection String to connect to PQS. default: null");
+
+		parser.addArgument("--timeout", "-t").type(String.class).nargs("?").setDefault("120")
+				.help("Maximum time for " + "which the app should run before returning error. " +
+						"default: 120 sec");
+
+		parser.addArgument("--testtable", "-tt").type(String.class).nargs("?").setDefault
+				("PQSTEST").help("Custom " + "name for the test table. default: PQSTEST");
+
+		parser.addArgument("--logsinkclass", "-lsc").type(String.class).nargs("?").setDefault
+				("org.apache.phoenix" + ".queryserver.tool.QueryServerCanaryTool$StdOutSink")
+				.help("Path to a Custom implementation for log " + "sink class. default: stdout");
+
+		parser.addArgument("--zkurl", "-zk").type(String.class).help("URL for Zookeeper");
+
+		parser.addArgument("--interval", "-in").type(String.class).nargs("?").setDefault("900")
+				.help("Time interval " + "between 2 consecutive test suite runs");
+
+		Namespace res = null;
+		try {
+			res = parser.parseArgs(args);
+		} catch (ArgumentParserException e) {
+			parser.handleError(e);
+		}
+		return res;
+	}
+
+	public static Map<String, String> getArgs(Namespace cArgs) {
+
+		Map<String, String> params = new HashMap<>();
+
+		for (Map.Entry<String, Object> entry : cArgs.getAttrs().entrySet()) {
+			params.put(entry.getKey(), (String) entry.getValue());
+		}
+		return params;
+	}
+
+	public static void main(String[] args) {
+
+		logger.info("Starting PQS Canary Orchestrator...");
+		ToolWrapper tool = new ToolWrapper();
+		try {
+
+			Namespace cArgs = parseArgs(args);
+			if (cArgs == null) {
+				throw new RuntimeException("Argument parsing failed");
+			}
+
+			Map<String, String> params = getArgs(cArgs);
+			PATH = params.get("zkpath");
+
+			CuratorFramework client = CuratorFrameworkFactory.newClient(params.get("zkurl"), new
+					BoundedExponentialBackoffRetry(1000, 60000, 50000));
+
+
+			TestExecutorClient executorClient = new TestExecutorClient(client, PATH, params, tool);
+			client.start();
+			executorClient.start();
+
+			// A shutdown hook to cleanly terminate the application
+			Runtime.getRuntime().addShutdownHook(new Thread() {
 
 Review comment:
   Yes, done.

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