Examples with Resolver io.fabric8.patch.management.conflicts.Resolver used on opensource projects

Example 46 with Resolver

use of io.fabric8.patch.management.conflicts.Resolver in project fabric8 by jboss-fuse.

the class CreateAction method doExecute.

protected Object doExecute() throws Exception {
    String adminRole = "admin";
    String administratorRole = "administrator";
    String superUserRole = "superuser";
    boolean adminExists = hasRole(adminRole, superUserRole, administratorRole);
    if (!adminExists) {
        System.out.println("The fabric:create command can be executed only by admin user");
        return null;
    }
    Path propsPath = runtimeProperties.getConfPath().resolve("users.properties");
    Properties userProps = new Properties(propsPath.toFile());
    if (!adminExists && !usersPropertiesFileContainsRole(userProps, adminRole, superUserRole, administratorRole)) {
        System.out.println("The etc/user.properties file must contain at least one admin user, if no other admin exists");
        return null;
    }
    // prevent creating fabric if already created
    ServiceReference<FabricService> sref = bundleContext.getServiceReference(FabricService.class);
    FabricService fabricService = sref != null ? bundleContext.getService(sref) : null;
    if (!force && (fabricService != null && fabricService.getCurrentContainer().isEnsembleServer())) {
        System.out.println("Current container " + fabricService.getCurrentContainerName() + " is already in the current fabric ensemble. Cannot create fabric.");
        System.out.println("You can use the --force option, if you want to force re-create the fabric.");
        return null;
    }
    Configuration bootConfiguration = configAdmin.getConfiguration(BootstrapConfiguration.COMPONENT_PID, null);
    Dictionary<String, Object> bootProperties = bootConfiguration.getProperties();
    if (bootProperties == null) {
        bootProperties = new Hashtable<>();
    }
    String runtimeIdentity = runtimeProperties.getRuntimeIdentity();
    CreateEnsembleOptions.Builder<?> builder = CreateEnsembleOptions.builder().zooKeeperServerTickTime(zooKeeperTickTime).zooKeeperServerInitLimit(zooKeeperInitLimit).zooKeeperServerSyncLimit(zooKeeperSyncLimit).zooKeeperServerDataDir(zooKeeperDataDir).zookeeperSnapRetainCount(zookeeperSnapRetainCount).zookeeperPurgeInterval(zookeeperPurgeInterval).fromRuntimeProperties(runtimeProperties).bootstrapTimeout(bootstrapTimeout).waitForProvision(waitForProvisioning).autoImportEnabled(!noImport).clean(clean);
    builder.version(version);
    if (containers == null || containers.isEmpty()) {
        containers = Arrays.asList(runtimeIdentity);
    }
    if (!noImport && importDir != null) {
        builder.autoImportEnabled(true);
        builder.importPath(importDir);
    }
    if (globalResolver != null) {
        if (!isInEnum(globalResolver, ResolverPolicyEnum.class)) {
            System.out.println("The globalResolver value must be one of the following: localip, localhostname, publicip, publichostname, manualip");
            return null;
        }
        builder.globalResolver(globalResolver);
        bootProperties.put(ZkDefs.GLOBAL_RESOLVER_PROPERTY, globalResolver);
    }
    if (resolver != null) {
        if (!isInEnum(resolver, ResolverPolicyEnum.class)) {
            System.out.println("The resolver value must be one of the following: localip, localhostname, publicip, publichostname, manualip");
            return null;
        }
        builder.resolver(resolver);
        bootProperties.put(ZkDefs.LOCAL_RESOLVER_PROPERTY, resolver);
    }
    if (manualIp != null) {
        builder.manualIp(manualIp);
        bootProperties.put(ZkDefs.MANUAL_IP, manualIp);
    }
    if (bindAddress != null) {
        if (!bindAddress.contains(":")) {
            builder.bindAddress(bindAddress);
            bootProperties.put(ZkDefs.BIND_ADDRESS, bindAddress);
        } else {
            String[] parts = bindAddress.split(":");
            builder.bindAddress(parts[0]);
            builder.zooKeeperServerPort(Integer.parseInt(parts[1]));
            bootProperties.put(ZkDefs.BIND_ADDRESS, parts[0]);
        }
    }
    if (zooKeeperServerPort > 0) {
        // --zookeeper-server-port option has higher priority than
        // CreateEnsembleOptions.ZOOKEEPER_SERVER_PORT and CreateEnsembleOptions.ZOOKEEPER_SERVER_CONNECTION_PORT
        // system/runtime properties
        builder.setZooKeeperServerPort(zooKeeperServerPort);
        builder.setZooKeeperServerConnectionPort(zooKeeperServerPort);
    } else {
        int shiftedPort = Ports.mapPortToRange(2181, minimumPort, maximumPort);
        builder.setZooKeeperServerPort(shiftedPort);
        builder.setZooKeeperServerConnectionPort(shiftedPort);
    }
    // Configure External Git Repository.
    if (externalGitUrl != null) {
        builder.dataStoreProperty(Constants.GIT_REMOTE_URL, externalGitUrl);
    }
    if (externalGitUser != null) {
        builder.dataStoreProperty(GIT_REMOTE_USER, externalGitUser);
    }
    if (externalGitPassword != null) {
        builder.dataStoreProperty(GIT_REMOTE_PASSWORD, externalGitPassword);
    }
    if ((externalGitUrl != null) || (externalGitUser != null) || (externalGitPassword != null)) {
        Configuration configuration = configAdmin.getConfiguration(Constants.DATASTORE_PID);
        Dictionary<String, Object> existingProperties = configuration.getProperties();
        Map<String, String> changedProperties = builder.getDataStoreProperties();
        for (String key : changedProperties.keySet()) {
            existingProperties.put(key, changedProperties.get(key));
        }
        configuration.update(existingProperties);
    }
    if (profiles != null && profiles.size() > 0) {
        builder.profiles(profiles);
    }
    if (nonManaged) {
        builder.agentEnabled(false);
    } else {
        builder.agentEnabled(true);
    }
    builder.minimumPort(minimumPort);
    builder.maximumPort(maximumPort);
    bootProperties.put(ZkDefs.MINIMUM_PORT, String.valueOf(minimumPort));
    bootProperties.put(ZkDefs.MAXIMUM_PORT, String.valueOf(maximumPort));
    newUser = newUser != null ? newUser : ShellUtils.retrieveFabricUser(session);
    newUserPassword = newUserPassword != null ? newUserPassword : ShellUtils.retrieveFabricUserPassword(session);
    if (userProps.isEmpty()) {
        String[] credentials = promptForNewUser(newUser, newUserPassword);
        newUser = credentials[0];
        newUserPassword = credentials[1];
    } else {
        if (newUser == null || newUserPassword == null) {
            newUser = "" + userProps.keySet().iterator().next();
            newUserPassword = "" + userProps.get(newUser);
            if (newUserPassword.contains(ROLE_DELIMITER)) {
                newUserPassword = newUserPassword.substring(0, newUserPassword.indexOf(ROLE_DELIMITER));
            }
        }
        String passwordWithroles = userProps.get(newUser);
        if (passwordWithroles != null && passwordWithroles.contains(ROLE_DELIMITER)) {
            String[] infos = passwordWithroles.split(",");
            String oldUserRole = "";
            if (newUserIsAdmin(infos)) {
                newUserRole = "_g_:admin";
                oldUserRole = newUserRole;
            }
            for (int i = 1; i < infos.length; i++) {
                if (infos[i].trim().startsWith(BackingEngine.GROUP_PREFIX)) {
                    // it's a group reference
                    String groupInfo = (String) userProps.get(infos[i].trim());
                    if (groupInfo != null) {
                        String[] roles = groupInfo.split(",");
                        for (int j = 1; j < roles.length; j++) {
                            if (!roles[j].trim().equals(oldUserRole)) {
                                if (!newUserRole.isEmpty()) {
                                    newUserRole = newUserRole + ROLE_DELIMITER + roles[j].trim();
                                } else {
                                    newUserRole = roles[j].trim();
                                }
                            }
                        }
                    }
                } else {
                    // it's an user reference
                    if (!infos[i].trim().equals(oldUserRole)) {
                        if (!newUserRole.isEmpty()) {
                            newUserRole = newUserRole + ROLE_DELIMITER + infos[i].trim();
                        } else {
                            newUserRole = infos[i].trim();
                        }
                    }
                }
            }
        }
    }
    if (Strings.isNullOrEmpty(newUser)) {
        System.out.println("No user specified. Cannot create a new fabric ensemble.");
        return null;
    }
    StringBuilder sb = new StringBuilder();
    // session is unset when this is called from FMC
    if (session != null) {
        ShellUtils.storeFabricCredentials(session, newUser, newUserPassword);
    }
    if (generateZookeeperPassword) {
    // do nothing use the generated password.
    } else if (zookeeperPassword == null) {
        zookeeperPassword = PasswordEncoder.decode(runtimeProperties.getProperty(CreateEnsembleOptions.ZOOKEEPER_PASSWORD, PasswordEncoder.encode(newUserPassword)));
        builder.zookeeperPassword(zookeeperPassword);
    } else {
        builder.zookeeperPassword(zookeeperPassword);
    }
    OsgiUtils.updateCmConfigurationAndWait(bundleContext, bootConfiguration, bootProperties, bootstrapTimeout, TimeUnit.MILLISECONDS);
    String roleToAssign = newUserRole.isEmpty() ? "_g_:admin" : newUserRole;
    CreateEnsembleOptions options = builder.users(userProps).withUser(newUser, newUserPassword, roleToAssign).build();
    if (containers.size() == 1 && containers.contains(runtimeIdentity)) {
        bootstrap.create(options);
    } else {
        ServiceProxy<ZooKeeperClusterService> serviceProxy = ServiceProxy.createServiceProxy(bundleContext, ZooKeeperClusterService.class);
        try {
            serviceProxy.getService().createCluster(containers, options);
        } finally {
            serviceProxy.close();
        }
    }
    ShellUtils.storeZookeeperPassword(session, options.getZookeeperPassword());
    if (zookeeperPassword == null && !generateZookeeperPassword) {
        sb.append("Zookeeper password: (reusing users ").append(newUser).append(" password:").append(options.getZookeeperPassword()).append(")\n");
        sb.append("(You can use the --zookeeper-password / --generate-zookeeper-password option to specify one.)\n");
    } else if (generateZookeeperPassword) {
        sb.append("Generated zookeeper password:").append(options.getZookeeperPassword());
    }
    System.out.println(sb.toString());
    if (!nonManaged && !waitForProvisioning) {
        System.out.println("It may take a couple of seconds for the container to provision...");
        System.out.println("You can use the --wait-for-provisioning option, if you want this command to block until the container is provisioned.");
    }
    return null;
}

Example 47 with Resolver

use of io.fabric8.patch.management.conflicts.Resolver in project fabric8 by jboss-fuse.

the class KarafContainerRegistration method activateInternal.

private void activateInternal() {
    RuntimeProperties sysprops = runtimeProperties.get();
    runtimeIdentity = sysprops.getRuntimeIdentity();
    String version = sysprops.getProperty("fabric.version", ZkDefs.DEFAULT_VERSION);
    String profiles = sysprops.getProperty("fabric.profiles");
    try {
        if (profiles != null) {
            String versionNode = CONFIG_CONTAINER.getPath(runtimeIdentity);
            String profileNode = CONFIG_VERSIONS_CONTAINER.getPath(version, runtimeIdentity);
            createDefault(curator.get(), versionNode, version);
            createDefault(curator.get(), profileNode, profiles);
        }
        checkAlive();
        String domainsNode = CONTAINER_DOMAINS.getPath(runtimeIdentity);
        Stat stat = exists(curator.get(), domainsNode);
        if (stat != null) {
            deleteSafe(curator.get(), domainsNode);
        }
        boolean openshiftEnv = Strings.notEmpty(System.getenv("OPENSHIFT_FUSE_DIR"));
        ZooKeeperUtils.createDefault(curator.get(), CONTAINER_BINDADDRESS.getPath(runtimeIdentity), bootstrapConfiguration.get().getBindAddress());
        ZooKeeperUtils.createDefault(curator.get(), CONTAINER_RESOLVER.getPath(runtimeIdentity), getContainerResolutionPolicy(curator.get(), runtimeIdentity));
        setData(curator.get(), CONTAINER_LOCAL_HOSTNAME.getPath(runtimeIdentity), HostUtils.getLocalHostName());
        if (openshiftEnv) {
            setData(curator.get(), CONTAINER_LOCAL_IP.getPath(runtimeIdentity), System.getenv("OPENSHIFT_FUSE_IP"));
            setData(curator.get(), CONTAINER_PUBLIC_IP.getPath(runtimeIdentity), HostUtils.getLocalIp());
        } else {
            setData(curator.get(), CONTAINER_LOCAL_IP.getPath(runtimeIdentity), HostUtils.getLocalIp());
        }
        // Mostly usable for adding values when creating containers without an existing ensemble.
        for (String resolver : ZkDefs.VALID_RESOLVERS) {
            String address = (String) bootstrapConfiguration.get().getConfiguration().get(resolver);
            if (address != null && !address.isEmpty() && exists(curator.get(), CONTAINER_ADDRESS.getPath(runtimeIdentity, resolver)) == null) {
                setData(curator.get(), CONTAINER_ADDRESS.getPath(runtimeIdentity, resolver), address);
            }
        }
        ip = getSubstitutedData(curator.get(), getContainerPointer(curator.get(), runtimeIdentity));
        setData(curator.get(), CONTAINER_IP.getPath(runtimeIdentity), ip);
        if (Boolean.parseBoolean(runtimeProperties.get().getProperty("service.geoip.enabled", "false"))) {
            createDefault(curator.get(), CONTAINER_GEOLOCATION.getPath(runtimeIdentity), geoLocationService.get().getGeoLocation());
        }
        // We are creating a dummy container object, since this might be called before the actual container is ready.
        Container current = new ImmutableContainerBuilder().id(runtimeIdentity).ip(ip).build();
        if (System.getProperty(SystemProperties.JAVA_RMI_SERVER_HOSTNAME) == null) {
            System.setProperty(SystemProperties.JAVA_RMI_SERVER_HOSTNAME, current.getIp());
        }
        registerJmx(current);
        registerSsh(current);
        registerHttp(current);
        // Set the port range values
        String minimumPort = sysprops.getProperty(ZkDefs.MINIMUM_PORT);
        if (minimumPort == null) {
            String minPort = (String) bootstrapConfiguration.get().getConfiguration().get("minimum.port");
            minimumPort = minPort;
        }
        String maximumPort = sysprops.getProperty(ZkDefs.MAXIMUM_PORT);
        if (maximumPort == null) {
            String maxPort = (String) bootstrapConfiguration.get().getConfiguration().get("maximum.port");
            maximumPort = maxPort;
        }
        createDefault(curator.get(), CONTAINER_PORT_MIN.getPath(runtimeIdentity), minimumPort);
        createDefault(curator.get(), CONTAINER_PORT_MAX.getPath(runtimeIdentity), maximumPort);
    } catch (Exception e) {
        LOGGER.warn("Error updating Fabric Container information. This exception will be ignored.", e);
    }
}

Example 48 with Resolver

use of io.fabric8.patch.management.conflicts.Resolver in project fabric8 by jboss-fuse.

the class ArchetypeGenerateAction method fetchArchetype.

/**
 * Fetches archetype from the configured repositories
 * TODO: make this code available to hawt.io/JMX too
 */
private File fetchArchetype(Archetype archetype) throws IOException {
    MavenResolver resolver = MavenResolvers.createMavenResolver(new Hashtable<String, String>(), "org.ops4j.pax.url.mvn");
    DownloadManager dm = DownloadManagers.createDownloadManager(resolver, Executors.newSingleThreadScheduledExecutor());
    final AtomicReference<File> file = new AtomicReference<>();
    String url = String.format("mvn:%s/%s/%s", archetype.groupId, archetype.artifactId, archetype.version);
    Downloader downloader = dm.createDownloader();
    downloader.download(url, new DownloadCallback() {

        @Override
        public void downloaded(StreamProvider provider) throws Exception {
            file.set(provider.getFile());
        }
    });
    // wait for download
    try {
        boolean init = false;
        for (int i = 0; i < 2 * 60 && file.get() == null; i++) {
            // dont do anything in the first 3 seconds as we likely can download it faster
            if (i > 3) {
                if (!init) {
                    System.out.print("Downloading archetype in progress: ");
                    init = true;
                }
                System.out.print(".");
            }
            // only sleep 0.5 sec so we can react faster
            Thread.sleep(500);
        }
    } catch (InterruptedException e) {
        System.err.println("\nFailed to download " + archetype);
        throw new IOException(e.getMessage(), e);
    }
    try {
        downloader.await();
        return file.get();
    } catch (Exception e) {
        System.err.println("\nFailed to download archetype within 60 seconds: " + archetype);
        throw new IOException("Failed to download archetype within 60 seconds: " + archetype);
    }
}

Example 49 with Resolver

use of io.fabric8.patch.management.conflicts.Resolver in project fabric8 by jboss-fuse.

the class AbstractManagedContainer method create.

@Override
public final synchronized void create(T configuration) throws LifecycleException {
    if (state != null)
        throw new IllegalStateException("Cannot create container in state: " + state);
    this.configuration = configuration;
    // [TODO] [FABRIC-929] No connector available to access repository jboss-public-repository-group
    // Remove this hack. It shouldbe possible to use the shrinkwrap maven resolver
    boolean useShrinkwrap = System.getProperty("shrinkwrap.resolver") != null;
    for (MavenCoordinates artefact : configuration.getMavenCoordinates()) {
        File zipfile = useShrinkwrap ? shrinkwrapResolve(artefact) : localResolve(artefact);
        GenericArchive archive = ShrinkWrap.createFromZipFile(GenericArchive.class, zipfile);
        ExplodedExporter exporter = archive.as(ExplodedExporter.class);
        File targetdir = configuration.getTargetDirectory();
        if (!targetdir.isDirectory() && !targetdir.mkdirs())
            throw new IllegalStateException("Cannot create target dir: " + targetdir);
        if (containerHome == null) {
            exporter.exportExploded(targetdir, "");
            File[] childDirs = targetdir.listFiles();
            if (childDirs.length != 1)
                throw new IllegalStateException("Expected one child directory, but was: " + Arrays.asList(childDirs));
            containerHome = childDirs[0];
        } else {
            exporter.exportExploded(containerHome, "");
        }
    }
    state = State.CREATED;
    try {
        doConfigure(configuration);
    } catch (Exception ex) {
        throw new LifecycleException("Cannot configure container", ex);
    }
}

Example 50 with Resolver

use of io.fabric8.patch.management.conflicts.Resolver in project fabric8 by jboss-fuse.

the class Agent method provision.

public void provision(Map<String, Feature> allFeatures, Set<String> features, Set<String> bundles, Set<String> reqs, Set<String> overrides, Set<String> optionals, Map<String, Map<VersionRange, Map<String, String>>> metadata) throws Exception {
    Callable<Map<String, Resource>> res = loadResources(manager, metadata, optionals);
    // TODO: requirements should be able to be assigned to a region
    Map<String, Set<String>> requirements = new HashMap<>();
    for (String feature : features) {
        addToMapSet(requirements, ROOT_REGION, "feature:" + feature);
    }
    for (String bundle : bundles) {
        addToMapSet(requirements, ROOT_REGION, "bundle:" + bundle);
    }
    for (String req : reqs) {
        addToMapSet(requirements, ROOT_REGION, "req:" + req);
    }
    Deployer.DeploymentRequest request = new Deployer.DeploymentRequest();
    request.updateSnaphots = updateSnaphots;
    request.bundleUpdateRange = bundleUpdateRange;
    request.featureResolutionRange = featureResolutionRange;
    request.globalRepository = new StaticRepository(res.call().values());
    request.overrides = overrides;
    request.requirements = requirements;
    request.stateChanges = Collections.emptyMap();
    request.options = options;
    request.metadata = metadata;
    request.bundleStartTimeout = bundleStartTimeout;
    Deployer.DeploymentState dstate = new Deployer.DeploymentState();
    // Service bundle
    dstate.serviceBundle = serviceBundle;
    // Start level
    FrameworkStartLevel fsl = systemBundleContext.getBundle().adapt(FrameworkStartLevel.class);
    dstate.initialBundleStartLevel = fsl.getInitialBundleStartLevel();
    dstate.currentStartLevel = fsl.getStartLevel();
    // Bundles
    dstate.bundles = new HashMap<>();
    for (Bundle bundle : systemBundleContext.getBundles()) {
        dstate.bundles.put(bundle.getBundleId(), bundle);
    }
    // Features
    dstate.features = allFeatures;
    // Region -> bundles mapping
    // Region -> policy mapping
    dstate.bundlesPerRegion = new HashMap<>();
    dstate.filtersPerRegion = new HashMap<>();
    if (digraph == null) {
        for (Long id : dstate.bundles.keySet()) {
            addToMapSet(dstate.bundlesPerRegion, ROOT_REGION, id);
        }
    } else {
        RegionDigraph clone = digraph.copy();
        for (Region region : clone.getRegions()) {
            // Get bundles
            dstate.bundlesPerRegion.put(region.getName(), new HashSet<>(region.getBundleIds()));
            // Get policies
            Map<String, Map<String, Set<String>>> edges = new HashMap<>();
            for (RegionDigraph.FilteredRegion fr : clone.getEdges(region)) {
                Map<String, Set<String>> policy = new HashMap<>();
                Map<String, Collection<String>> current = fr.getFilter().getSharingPolicy();
                for (String ns : current.keySet()) {
                    for (String f : current.get(ns)) {
                        addToMapSet(policy, ns, f);
                    }
                }
                edges.put(fr.getRegion().getName(), policy);
            }
            dstate.filtersPerRegion.put(region.getName(), edges);
        }
    }
    final State state = new State();
    try {
        storage.load(state);
    } catch (IOException e) {
        LOGGER.warn("Error loading agent state", e);
    }
    if (state.managedBundles.isEmpty()) {
        for (Bundle b : systemBundleContext.getBundles()) {
            if (b.getBundleId() != 0) {
                addToMapSet(state.managedBundles, ROOT_REGION, b.getBundleId());
            }
        }
    }
    // corresponding jar url and use that one to compute the checksum of the bundle.
    for (Map.Entry<Long, Bundle> entry : dstate.bundles.entrySet()) {
        long id = entry.getKey();
        Bundle bundle = entry.getValue();
        if (id > 0 && isUpdateable(bundle) && !state.bundleChecksums.containsKey(id)) {
            try {
                URL url = bundle.getResource("META-INF/MANIFEST.MF");
                URLConnection con = url.openConnection();
                Method method = con.getClass().getDeclaredMethod("getLocalURL");
                method.setAccessible(true);
                String jarUrl = ((URL) method.invoke(con)).toExternalForm();
                if (jarUrl.startsWith("jar:")) {
                    String jar = jarUrl.substring("jar:".length(), jarUrl.indexOf("!/"));
                    jar = new URL(jar).getFile();
                    long checksum = ChecksumUtils.checksumFile(new File(jar));
                    state.bundleChecksums.put(id, checksum);
                }
            } catch (Throwable t) {
                LOGGER.debug("Error calculating checksum for bundle: %s", bundle, t);
            }
        }
    }
    dstate.state = state;
    Set<String> prereqs = new HashSet<>();
    while (true) {
        try {
            Deployer.DeployCallback callback = new BaseDeployCallback() {

                @Override
                public void phase(String message) {
                    Agent.this.updateStatus(message);
                }

                @Override
                public void saveState(State newState) {
                    state.replace(newState);
                    try {
                        Agent.this.saveState(newState);
                    } catch (IOException e) {
                        LOGGER.warn("Error storing agent state", e);
                    }
                }

                @Override
                public void provisionList(Set<Resource> resources) {
                    Agent.this.provisionList(resources);
                }

                @Override
                public void restoreConfigAdminIfNeeded() {
                    if (configInstaller != null) {
                        configInstaller.restoreConfigAdminIfNeeded();
                    }
                }

                @Override
                public boolean done(boolean agentStarted, List<String> urls) {
                    return Agent.this.done(agentStarted, urls);
                }
            };
            // FABRIC-790, FABRIC-981 - wait for ProfileUrlHandler before attempting to load bundles (in subsystem.resolve())
            // (which may be the case with bundle.xxx=blueprint:profile:xxx URLs in io.fabric8.agent PID)
            // https://developer.jboss.org/message/920681 - 30 seconds is too low sometimes
            // there was "url.handler.timeouts" option for agent, but it was removed during migration to karaf 4.x resolver
            // LOGGER.debug("Waiting for ProfileUrlHandler");
            // awaitService(URLStreamHandlerService.class, "(url.handler.protocol=profile)", 30, TimeUnit.SECONDS);
            // LOGGER.debug("Waiting for ProfileUrlHandler finished");
            Deployer deployer = new Deployer(manager, callback);
            deployer.setDeploymentAgentId(deploymentAgentId);
            deployer.deploy(dstate, request);
            break;
        } catch (Deployer.PartialDeploymentException e) {
            if (!prereqs.containsAll(e.getMissing())) {
                prereqs.addAll(e.getMissing());
            } else {
                throw new Exception("Deployment aborted due to loop in missing prerequisites: " + e.getMissing());
            }
        }
    }
}