Examples with AppInfo com.alibaba.csp.sentinel.dashboard.discovery.AppInfo used on opensource projects

Example 1 with AppInfo

use of com.alibaba.csp.sentinel.dashboard.discovery.AppInfo in project Sentinel by alibaba.

the class AppController method getMachinesByApp.

@GetMapping(value = "/{app}/machines.json")
public Result<List<MachineInfoVo>> getMachinesByApp(@PathVariable("app") String app) {
    AppInfo appInfo = appManagement.getDetailApp(app);
    if (appInfo == null) {
        return Result.ofSuccess(null);
    }
    List<MachineInfo> list = new ArrayList<>(appInfo.getMachines());
    Collections.sort(list, Comparator.comparing(MachineInfo::getApp).thenComparing(MachineInfo::getIp).thenComparingInt(MachineInfo::getPort));
    return Result.ofSuccess(MachineInfoVo.fromMachineInfoList(list));
}

Example 2 with AppInfo

use of com.alibaba.csp.sentinel.dashboard.discovery.AppInfo in project Sentinel by alibaba.

the class ClusterConfigService method getClusterUniversalState.

/**
 * Get cluster state list of all available machines of provided application.
 *
 * @param app application name
 * @return cluster state list of all available machines of the application
 * @since 1.4.1
 */
public CompletableFuture<List<ClusterUniversalStatePairVO>> getClusterUniversalState(String app) {
    if (StringUtil.isBlank(app)) {
        return AsyncUtils.newFailedFuture(new IllegalArgumentException("app cannot be empty"));
    }
    AppInfo appInfo = appManagement.getDetailApp(app);
    if (appInfo == null || appInfo.getMachines() == null) {
        return CompletableFuture.completedFuture(new ArrayList<>());
    }
    List<CompletableFuture<ClusterUniversalStatePairVO>> futures = appInfo.getMachines().stream().filter(e -> e.isHealthy()).map(machine -> getClusterUniversalState(app, machine.getIp(), machine.getPort()).thenApply(e -> new ClusterUniversalStatePairVO(machine.getIp(), machine.getPort(), e))).collect(Collectors.toList());
    return AsyncUtils.sequenceSuccessFuture(futures);
}

Example 3 with AppInfo

use of com.alibaba.csp.sentinel.dashboard.discovery.AppInfo in project pig by pig-mesh.

the class AppController method getMachinesByApp.

@GetMapping(value = "/{app}/machines.json")
public Result<List<MachineInfoVo>> getMachinesByApp(@PathVariable("app") String app) {
    AppInfo appInfo = appManagement.getDetailApp(app);
    if (appInfo == null) {
        return Result.ofSuccess(null);
    }
    List<MachineInfo> list = new ArrayList<>(appInfo.getMachines());
    Collections.sort(list, Comparator.comparing(MachineInfo::getApp).thenComparing(MachineInfo::getIp).thenComparingInt(MachineInfo::getPort));
    return Result.ofSuccess(MachineInfoVo.fromMachineInfoList(list));
}

Example 4 with AppInfo

use of com.alibaba.csp.sentinel.dashboard.discovery.AppInfo in project spring-boot-student by wyh-spring-ecosystem-student.

the class MetricFetcher method fetchOnce.

/**
 * fetch metric between [startTime, endTime], both side inclusive
 */
private void fetchOnce(String app, long startTime, long endTime, int maxWaitSeconds) {
    if (maxWaitSeconds <= 0) {
        throw new IllegalArgumentException("maxWaitSeconds must > 0, but " + maxWaitSeconds);
    }
    AppInfo appInfo = appManagement.getDetailApp(app);
    // auto remove for app
    if (appInfo.isDead()) {
        logger.info("Dead app removed: {}", app);
        appManagement.removeApp(app);
        return;
    }
    Set<MachineInfo> machines = appInfo.getMachines();
    logger.debug("enter fetchOnce(" + app + "), machines.size()=" + machines.size() + ", time intervalMs [" + startTime + ", " + endTime + "]");
    if (machines.isEmpty()) {
        return;
    }
    final String msg = "fetch";
    AtomicLong unhealthy = new AtomicLong();
    final AtomicLong success = new AtomicLong();
    final AtomicLong fail = new AtomicLong();
    long start = System.currentTimeMillis();
    /**
     * app_resource_timeSecond -> metric
     */
    final Map<String, MetricEntity> metricMap = new ConcurrentHashMap<>(16);
    final CountDownLatch latch = new CountDownLatch(machines.size());
    for (final MachineInfo machine : machines) {
        // auto remove
        if (machine.isDead()) {
            latch.countDown();
            appManagement.getDetailApp(app).removeMachine(machine.getIp(), machine.getPort());
            logger.info("Dead machine removed: {}:{} of {}", machine.getIp(), machine.getPort(), app);
            continue;
        }
        if (!machine.isHealthy()) {
            latch.countDown();
            unhealthy.incrementAndGet();
            continue;
        }
        final String url = "http://" + machine.getIp() + ":" + machine.getPort() + "/" + METRIC_URL_PATH + "?startTime=" + startTime + "&endTime=" + endTime + "&refetch=" + false;
        final HttpGet httpGet = new HttpGet(url);
        httpGet.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
        httpclient.execute(httpGet, new FutureCallback<HttpResponse>() {

            @Override
            public void completed(final HttpResponse response) {
                try {
                    handleResponse(response, machine, metricMap);
                    success.incrementAndGet();
                } catch (Exception e) {
                    logger.error(msg + " metric " + url + " error:", e);
                } finally {
                    latch.countDown();
                }
            }

            @Override
            public void failed(final Exception ex) {
                latch.countDown();
                fail.incrementAndGet();
                httpGet.abort();
                if (ex instanceof SocketTimeoutException) {
                    logger.error("Failed to fetch metric from <{}>: socket timeout", url);
                } else if (ex instanceof ConnectException) {
                    logger.error("Failed to fetch metric from <{}> (ConnectionException: {})", url, ex.getMessage());
                } else {
                    logger.error(msg + " metric " + url + " error", ex);
                }
            }

            @Override
            public void cancelled() {
                latch.countDown();
                fail.incrementAndGet();
                httpGet.abort();
            }
        });
    }
    try {
        latch.await(maxWaitSeconds, TimeUnit.SECONDS);
    } catch (Exception e) {
        logger.info(msg + " metric, wait http client error:", e);
    }
    long cost = System.currentTimeMillis() - start;
    // logger.info("finished " + msg + " metric for " + app + ", time intervalMs [" + startTime + ", " + endTime
    // + "], total machines=" + machines.size() + ", dead=" + dead + ", fetch success="
    // + success + ", fetch fail=" + fail + ", time cost=" + cost + " ms");
    writeMetric(metricMap);
}

Example 5 with AppInfo

use of com.alibaba.csp.sentinel.dashboard.discovery.AppInfo in project spring-boot-student by wyh-spring-ecosystem-student.

the class AppController method getMachinesByApp.

@GetMapping(value = "/{app}/machines.json")
public Result<List<MachineInfoVo>> getMachinesByApp(@PathVariable("app") String app) {
    AppInfo appInfo = appManagement.getDetailApp(app);
    if (appInfo == null) {
        return Result.ofSuccess(null);
    }
    List<MachineInfo> list = new ArrayList<>(appInfo.getMachines());
    Collections.sort(list, Comparator.comparing(MachineInfo::getApp).thenComparing(MachineInfo::getIp).thenComparingInt(MachineInfo::getPort));
    return Result.ofSuccess(MachineInfoVo.fromMachineInfoList(list));
}