Examples with ResponseNode com.chinaunicom.etcd.v2.model.ResponseNode used on opensource projects

Example 1 with ResponseNode

use of com.chinaunicom.etcd.v2.model.ResponseNode in project mesosFramework by zhizuqiu.

the class EtcdService method setNodeAtomic.

/**
 * 设置
 *
 * @param logTime 任务标识
 * @param key     key
 * @param value   value
 * @return 成功与否
 */
public Boolean setNodeAtomic(Long logTime, String key, String value) {
    boolean getSuccess = false;
    ResponseNode responseNode;
    try {
        responseNode = etcd.getKey(key);
        if (EtcdAction.GET.equals(responseNode.getAction())) {
            getSuccess = true;
        }
    } catch (Exception e) {
        logger.error("[" + logTime + "]" + e.getMessage());
        return false;
    }
    if (!getSuccess) {
        return false;
    }
    boolean setSuccess = false;
    try {
        ResponseNodeAndPrevnode responseNodeAndPrevnode = etcd.setKeyAtomic(key, value, String.valueOf(responseNode.getNode().getModifiedIndex()));
        if (EtcdAction.SET.equals(responseNodeAndPrevnode.getAction())) {
            setSuccess = true;
        }
    } catch (ClientException e) {
        logger.error("[" + logTime + "]" + "节点赋值失败->请求无效->" + e.getDetail().getMessage());
    } catch (ServerException e) {
        logger.error("[" + logTime + "]" + "节点赋值失败->服务器异常->" + e.getMessage());
    } catch (Exception e) {
        logger.error("[" + logTime + "]" + "节点赋值失败->其他异常->" + e.getMessage());
    }
    return setSuccess;
}

Example 2 with ResponseNode

use of com.chinaunicom.etcd.v2.model.ResponseNode in project mesosFramework by zhizuqiu.

the class EtcdService method setStatusAtomic.

/**
 * 设置任务状态，当状态更新时间 < etcd节点的时间
 *
 * @param logTime   任务标识
 * @param jobStatus jobStatus
 * @return 成功与否
 */
public SetResult setStatusAtomic(Long logTime, DockerStatus jobStatus) {
    String key = AppDataStore.getConfig().getFrameworkName() + JOBSTATUS_PATH + Tools.getStringByJsonpathRecursion(jobStatus.getId().replaceAll("/", "."));
    DockerStatus jobStatusTemp = null;
    boolean getSuccess = false;
    Integer modifiedIndex = null;
    /*
         * JsonSyntaxException|ClientException表示节点异常，可以直接覆盖
         * ServerException|Exception表示未知异常，需要同步程序处理
        */
    try {
        ResponseNode responseNode = etcd.getKey(key);
        if (EtcdAction.GET.equals(responseNode.getAction())) {
            jobStatusTemp = new Gson().fromJson(responseNode.getNode().getValue(), DockerStatus.class);
            modifiedIndex = responseNode.getNode().getModifiedIndex();
            getSuccess = true;
        }
    } catch (JsonSyntaxException e) {
        logger.error("[" + logTime + "]" + "setNodeAtomic->fromJson->JsonSyntaxException->" + e.getMessage());
        getSuccess = true;
    } catch (ClientException e) {
        logger.error("[" + logTime + "]" + "setNodeAtomic->getKey->ClientException->" + e.getDetail().getMessage());
        getSuccess = true;
    } catch (ServerException e) {
        logger.error("[" + logTime + "]" + "setNodeAtomic->getKey->ServerException->" + e.getDetail().getMessage());
        return HAS_EXCEPTION;
    } catch (Exception e) {
        logger.error("[" + logTime + "]" + "setNodeAtomic->getKey->Exception->" + e.getMessage());
        return HAS_EXCEPTION;
    }
    if (!getSuccess) {
        return HAS_EXCEPTION;
    }
    // 如果状态更新时间<etcd节点的时间，不更新
    if (jobStatusTemp != null) {
        Double timestampTemp = jobStatusTemp.getTimestamp();
        if (timestampTemp != null) {
            Double timestamp = jobStatus.getTimestamp();
            if (timestamp < timestampTemp) {
                return UNNECESSARY;
            }
        }
    }
    boolean setSuccess = false;
    try {
        ResponseNodeAndPrevnode responseNodeAndPrevnode;
        if (modifiedIndex != null) {
            responseNodeAndPrevnode = etcd.setKeyAtomic(key, new Gson().toJson(jobStatus), String.valueOf(modifiedIndex));
        } else {
            responseNodeAndPrevnode = etcd.setKey(key, new Gson().toJson(jobStatus));
        }
        if (EtcdAction.COMPARE_AND_SWAP.equals(responseNodeAndPrevnode.getAction())) {
            setSuccess = true;
        }
    } catch (ClientException e) {
        logger.error("[" + logTime + "]" + "setNodeAtomic->setKeyAtomic->ClientException->" + e.getDetail().getMessage());
        return HAS_EXCEPTION;
    } catch (ServerException e) {
        logger.error("[" + logTime + "]" + "setNodeAtomic->setKeyAtomic->ServerException->" + e.getDetail().getMessage());
        return HAS_EXCEPTION;
    } catch (Exception e) {
        logger.error("[" + logTime + "]" + "setNodeAtomic->setKeyAtomic->Exception->" + e.getMessage());
        return HAS_EXCEPTION;
    }
    return setSuccess ? SUCCESS : HAS_EXCEPTION;
}

Example 3 with ResponseNode

use of com.chinaunicom.etcd.v2.model.ResponseNode in project mesosFramework by zhizuqiu.

the class WatchClientImpl method getFrameworkId.

@Override
public String getFrameworkId() {
    String frameworkId = null;
    try {
        System.out.println(rootDir + WatchStaticStr.FRAMEWORK_ID);
        ResponseNode responseNode = etcd.getKey(rootDir + WatchStaticStr.FRAMEWORK_ID);
        if (EtcdAction.GET.equals(responseNode.getAction())) {
            frameworkId = responseNode.getNode().getValue();
        }
    } catch (ClientException e) {
        logger.error("getDir ClientException:" + e.getDetail().getMessage());
    } catch (ServerException e) {
        logger.error("getDir ServerException:" + e.getMessage());
    } catch (Exception e) {
        logger.error("getDir Exception:" + e.getMessage());
    }
    if (frameworkId != null && frameworkId.trim().isEmpty()) {
        frameworkId = null;
    }
    return frameworkId;
}