Example usage for org.apache.hadoop.yarn.conf YarnConfiguration useHttps

Introduction

In this page you can find the example usage for org.apache.hadoop.yarn.conf YarnConfiguration useHttps.

Prototype

public static boolean useHttps(Configuration conf) 

Source Link

Usage

From source file:org.apache.kylin.tool.common.HadoopConfExtractor.java

License:Apache License

public static String extractYarnMasterUrl(Configuration conf) {
    KylinConfig config = KylinConfig.getInstanceFromEnv();
    final String yarnStatusCheckUrl = config.getYarnStatusCheckUrl();
    Pattern pattern = Pattern.compile("(http(s)?://)([^:]*):([^/])*.*");
    if (yarnStatusCheckUrl != null) {
        Matcher m = pattern.matcher(yarnStatusCheckUrl);
        if (m.matches()) {
            return m.group(1) + m.group(2) + ":" + m.group(3);
        }//from  w w  w.j  av  a2s .c o m
    }

    logger.info("kylin.engine.mr.yarn-check-status-url" + " is not set, read from hadoop configuration");

    String webappConfKey, defaultAddr;
    if (YarnConfiguration.useHttps(conf)) {
        webappConfKey = YarnConfiguration.RM_WEBAPP_HTTPS_ADDRESS;
        defaultAddr = YarnConfiguration.DEFAULT_RM_WEBAPP_HTTPS_ADDRESS;
    } else {
        webappConfKey = YarnConfiguration.RM_WEBAPP_ADDRESS;
        defaultAddr = YarnConfiguration.DEFAULT_RM_WEBAPP_ADDRESS;
    }

    String rmWebHost;
    if (HAUtil.isHAEnabled(conf)) {
        YarnConfiguration yarnConf = new YarnConfiguration(conf);
        String active = RMHAUtils.findActiveRMHAId(yarnConf);
        rmWebHost = HAUtil.getConfValueForRMInstance(HAUtil.addSuffix(webappConfKey, active), defaultAddr,
                yarnConf);
    } else {
        rmWebHost = HAUtil.getConfValueForRMInstance(webappConfKey, defaultAddr, conf);
    }

    if (StringUtils.isEmpty(rmWebHost)) {
        return null;
    }
    if (!rmWebHost.startsWith("http://") && !rmWebHost.startsWith("https://")) {
        rmWebHost = (YarnConfiguration.useHttps(conf) ? "https://" : "http://") + rmWebHost;
    }
    Matcher m = pattern.matcher(rmWebHost);
    Preconditions.checkArgument(m.matches(), "Yarn master URL not found.");
    logger.info("yarn master url: " + rmWebHost);
    return rmWebHost;
}

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