Examples with ShinyProxyException eu.openanalytics.shinyproxy.ShinyProxyException used on opensource projects

Example 1 with ShinyProxyException

use of eu.openanalytics.shinyproxy.ShinyProxyException in project shinyproxy by openanalytics.

the class ProxyService method waitForLaunchingProxy.

private void waitForLaunchingProxy(String userName, String appName) {
    int totalWaitMs = Integer.parseInt(environment.getProperty("shiny.proxy.container-wait-time", "20000"));
    int waitMs = Math.min(2000, totalWaitMs);
    int maxTries = totalWaitMs / waitMs;
    boolean mayProceed = Utils.retry(i -> {
        return getProxies(p -> p.getStatus() == ContainerProxyStatus.Starting && isUserProxy(p, userName, appName)).isEmpty();
    }, maxTries, waitMs);
    if (!mayProceed)
        throw new ShinyProxyException("Cannot proceed: waiting for proxy to launch");
}

Example 2 with ShinyProxyException

use of eu.openanalytics.shinyproxy.ShinyProxyException in project shinyproxy by openanalytics.

the class AbstractContainerBackend method startProxy.

@Override
public void startProxy(IContainerProxy p) throws ShinyProxyException {
    T proxy = getProxyCast(p);
    proxy.setStatus(ContainerProxyStatus.Starting);
    try {
        doStartProxy(proxy);
        calculateTargetURL(proxy);
    } catch (Throwable t) {
        disposeProxy(proxy);
        throw new ShinyProxyException("Failed to start container", t);
    }
    if (!testProxy(proxy)) {
        stopProxy(proxy);
        throw new ShinyProxyException("Container did not respond in time");
    }
    proxy.setStartupTimestamp(System.currentTimeMillis());
    proxy.setStatus(ContainerProxyStatus.Up);
}

Example 3 with ShinyProxyException

use of eu.openanalytics.shinyproxy.ShinyProxyException in project shinyproxy by openanalytics.

the class AbstractContainerBackend method stopProxy.

@Override
public void stopProxy(IContainerProxy p) throws ShinyProxyException {
    T proxy = getProxyCast(p);
    try {
        proxy.setStatus(ContainerProxyStatus.Stopping);
        disposeProxy(proxy);
        doStopProxy(proxy);
        proxy.setStatus(ContainerProxyStatus.Stopped);
    } catch (Exception e) {
        throw new ShinyProxyException("Failed to stop container", e);
    }
}

Example 4 with ShinyProxyException

use of eu.openanalytics.shinyproxy.ShinyProxyException in project shinyproxy by openanalytics.

the class AbstractContainerBackend method createProxy.

@Override
public IContainerProxy createProxy(ContainerProxyRequest request) throws ShinyProxyException {
    T proxy = instantiateProxy();
    proxy.setStatus(ContainerProxyStatus.New);
    proxy.setUserId(request.userId);
    proxy.setApp(request.app);
    if (!useInternalNetwork)
        proxy.setPort(allocatePort());
    try {
        prepareProxy(proxy, request);
    } catch (Exception e) {
        disposeProxy(proxy);
        if (e instanceof ShinyProxyException)
            throw (ShinyProxyException) e;
        throw new ShinyProxyException("Failed to create container", e);
    }
    return proxy;
}

Example 5 with ShinyProxyException

use of eu.openanalytics.shinyproxy.ShinyProxyException in project shinyproxy by openanalytics.

the class ProxyService method startProxy.

private IContainerProxy startProxy(String userName, String appName) {
    ShinyApp app = appService.getApp(appName);
    if (app == null) {
        throw new ShinyProxyException("Cannot start container: unknown application: " + appName);
    }
    if (findProxy(userName, appName) != null) {
        throw new ShinyProxyException("Cannot start container: user " + userName + " already has an active proxy for " + appName);
    }
    ContainerProxyRequest request = new ContainerProxyRequest();
    request.userId = userName;
    request.app = app;
    IContainerProxy proxy = backend.createProxy(request);
    activeProxies.add(proxy);
    try {
        backend.startProxy(proxy);
    } finally {
        if (proxy.getStatus() != ContainerProxyStatus.Up)
            activeProxies.remove(proxy);
    }
    try {
        URI target = new URI(proxy.getTarget());
        synchronized (mappingListeners) {
            for (MappingListener listener : mappingListeners) {
                listener.mappingAdded(proxy.getName(), target);
            }
        }
    } catch (URISyntaxException ignore) {
    }
    if (logService.isContainerLoggingEnabled()) {
        BiConsumer<File, File> outputAttacher = backend.getOutputAttacher(proxy);
        if (outputAttacher == null) {
            log.warn("Cannot log container output: " + backend.getClass() + " does not support output attaching.");
        } else {
            logService.attachToOutput(proxy, outputAttacher);
        }
    }
    log.info(String.format("Proxy activated [user: %s] [app: %s]", userName, appName));
    eventService.post(EventType.AppStart.toString(), userName, appName);
    return proxy;
}