Java Identifiers类代码示例

import org.apache.brooklyn.util.text.Identifiers; //导入依赖的package包/类
public ParsingResult<Csar> uploadSingleYaml(InputStream resourceFromUrl, String callerReferenceName) {
    try {
        String nameCleaned = Strings.makeValidFilename(callerReferenceName);
        File tmpBase = new File(tmpRoot, nameCleaned + "_" + Identifiers.makeRandomId(6));
        File tmpExpanded = new File(tmpBase, nameCleaned + "_" + Identifiers.makeRandomId(6));
        File tmpTarget = new File(tmpExpanded.toString() + ".csar.zip");
        boolean created = tmpExpanded.mkdirs();
        if (!created) {
            throw new Exception("Failed to create '" + tmpExpanded + "' when uploading yaml from " + nameCleaned);
        }
        FileUtils.copyInputStreamToFile(resourceFromUrl, new File(tmpExpanded, nameCleaned + ".yaml"));
        ArchiveBuilder.archive(tmpTarget.toString()).addDirContentsAt(tmpExpanded, "").create();

        try {
            return uploadArchive(tmpTarget, callerReferenceName);
        } finally {
            Os.deleteRecursively(tmpBase);
        }

    } catch (Exception e) {
        throw Exceptions.propagate(e);
    }
}
 

import org.apache.brooklyn.util.text.Identifiers; //导入依赖的package包/类
/**
 * Need to wait server to start before resetting the password.
 */
protected void generateAndUpdatePassword() {
    String password = getAttribute(AmbariServer.PASSWORD);
    if (password == null) {
        password = getConfig(AmbariServer.PASSWORD);
        if (password == null) {
            password = Identifiers.makeRandomId(10);
        }
        usernamePasswordCredentials = new UsernamePasswordCredentials(USERNAME, password);

        ImmutableMap<String, ImmutableMap<String, String>> userRequest = ImmutableMap.of("Users", ImmutableMap.of(
                "user_name", USERNAME,
                "old_password", INITIAL_PASSWORD,
                "password", usernamePasswordCredentials.getPassword()
        ));

        waitForServiceUp();

        restAdapter.create(UsersEndpoint.class).updateUser(userRequest);

        restAdapter = new RestAdapter.Builder()
                .setEndpoint(ambariUri)
                .setClient(ambariRestClient)
                .setRequestInterceptor(new AmbariRequestInterceptor(usernamePasswordCredentials))
                .setLogLevel(RestAdapter.LogLevel.FULL)
                .build();

        disconnectAuthenticatedSensors();
        connectAuthenticatedSensors();

        sensors().set(AmbariServer.PASSWORD, password);
    }
}
 

import org.apache.brooklyn.util.text.Identifiers; //导入依赖的package包/类
public ParsingResult<Csar> uploadArchive(InputStream resourceFromUrl, String callerReferenceName) {
    try {
        File f = new File(tmpRoot, callerReferenceName + "_" + Identifiers.makeRandomId(8));
        Streams.copy(resourceFromUrl, new FileOutputStream(f));
        return uploadArchive(f, callerReferenceName);

    } catch (Exception e) {
        throw Exceptions.propagate(e);
    }
}
 

import org.apache.brooklyn.util.text.Identifiers; //导入依赖的package包/类
private void initApplicationParameters() {
    if(!Strings.isBlank(getEntity().getConfig(CloudFoundryWebApp.APPLICATION_NAME))){
        applicationName = getEntity().getConfig(CloudFoundryWebApp.APPLICATION_NAME);
    } else {
        applicationName = "cf-app-" + Identifiers.makeRandomId(8);
    }
    applicationUrl = getEntity().getConfig(CloudFoundryWebApp.APPLICATION_URL);
}
 

import org.apache.brooklyn.util.text.Identifiers; //导入依赖的package包/类
public static void setHostsOnMachines(Iterable<? extends Entity> machines, AttributeSensor<String> addressSensor) {
    Map<String, String> mapping = gatherIpHostnameMapping(machines, addressSensor);

    for (Entity e : machines) {
        Maybe<SshMachineLocation> sshLocation = Machines.findUniqueSshMachineLocation(e.getLocations());

        if (!sshLocation.isPresentAndNonNull()) {
            LOG.debug("{} has no {}, not setting hostname or updating /etc/hosts", e, SshMachineLocation.class);
            continue;
        }

        SshMachineLocation loc = sshLocation.get();
        ImmutableList.Builder<String> commands = ImmutableList.builder();

        // It would be great if we could use BashCommands.setHostname(), but it doesn't quite do what we need: it
        // maps the hostname to 127.0.0.1. But this then means that e.g. "ping myhostname" pings 127.0.0.1, and that
        // behaviour causes some processes to bind ports to 127.0.0.1 instead of 0.0.0.0. What we need instead is
        // that the first line maps the hostname to its actual IP address. So we partly override the behaviour of
        // this method later by pre-pending to /etc/hosts.

        // Find and set entity's own hostname
        Maybe<String> ip = Machines.findSubnetOrPrivateIp(e);
        String key = e.getAttribute(addressSensor);
        if (ip.isAbsentOrNull()) {
            LOG.debug("{} has no IP address, not setting hostname", e);
            continue;
        } else if (!mapping.containsKey(key)) {
            LOG.debug("{} has no hostname mapping, not setting hostname", e);
        } else {
            commands.addAll(BashCommands.setHostname(mapping.get(key)));
        }

        // Add the other entity's details to /etc/hosts
        for (Map.Entry<String, String> entry : mapping.entrySet()) {
            boolean isMyOwnEntry = entry.getKey().equals(key);
            String fqdn = entry.getValue();
            if (fqdn.endsWith("."))
                fqdn = fqdn.substring(0, fqdn.length() - 1);
            int dotAt = fqdn.indexOf('.');
            String[] values = dotAt > 0
                    ? new String[]{fqdn, fqdn.substring(0, dotAt)}
                    : new String[]{fqdn};

            if (isMyOwnEntry)
                commands.add(prependToEtcHosts(ip.get(), values));
            else
                commands.add(appendToEtcHosts(entry.getKey(), values));
        }

        // Ensure that 127.0.0.1 maps to localhost, and nothing else
        String bakFileExtension = "bak" + Identifiers.makeRandomId(4);
        commands.add(
                sudo("sed -i." + bakFileExtension + " -e \'s/127.0.0.1\\s.*/127.0.0.1 localhost/\' /etc/hosts"));

        loc.execCommands("set hostname and fill /etc/hosts", commands.build());
    }
}
 

import org.apache.brooklyn.util.text.Identifiers; //导入依赖的package包/类
@Override
public void apply(EntitySpec<?> entitySpec, String nodeId, ToscaApplication toscaApplication) {
    final Iterable<String> artifacts = getToscaFacade().getArtifacts(nodeId, toscaApplication);
    if (Iterables.isEmpty(artifacts)) {
        return;
    }

    final Map<String, String> filesToCopy = MutableMap.of();
    // As PRE_INSTALL_FILES is explicitly Map<String, String>, we can't use a deferred "run.dir" in the
    // destination path, so we must use the install.dir, which is shared by all instances of the same
    // type (with the exception of VanillaSoftwareProcess). In order to prevent collision between
    // e.g. multiple instances of MySql on the same server, we must use an instance-specific prefix
    final String directoryPrefix = Identifiers.makeRandomJavaId(6);

    for (final String artifactId : artifacts) {
        Optional<Path> optionalResourcesRootPath = getToscaFacade().getArtifactPath(nodeId, toscaApplication, artifactId);
        if(!optionalResourcesRootPath.isPresent()) {
            continue;
        }

        // We know that formatString will return a BrooklynDslDeferredSupplier as the 2nd argument is not yet resolved
        BrooklynDslDeferredSupplier<String> deferredInstallDir = (BrooklynDslDeferredSupplier<String>) BrooklynDslCommon.formatString("%s/%s/%s", BrooklynDslCommon.attributeWhenReady("install.dir"), directoryPrefix, artifactId);
        entitySpec.configure(SoftwareProcess.SHELL_ENVIRONMENT.subKey(artifactId), deferredInstallDir);

        // Copy all files in resource.
        try {
            Files.walkFileTree(optionalResourcesRootPath.get(), new SimpleFileVisitor<Path>() {
                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    filesToCopy.put(file.toAbsolutePath().toString(), String.format("%s/%s/%s", directoryPrefix, artifactId, file.getFileName().toString()));
                    return FileVisitResult.CONTINUE;
                }
            });
        }  catch (IOException e) {
            LOG.warn("Cannot parse CSAR resources", e);
        }
    }

    // It's not possible to infer from the artifact at what point these files will be used, so
    // they need to be copied at the earliest point possible
    entitySpec.configure(SoftwareProcess.PRE_INSTALL_FILES, filesToCopy);
}
 

import org.apache.brooklyn.util.text.Identifiers; //导入依赖的package包/类
private void initTemplateName() {
    this.templateName = Strings.isBlank((String) template.get(TEMPLATE_NAME))
            ? TEMPLATE_NAME_PREFIX + Identifiers.makeRandomId(8)
            : (String) template.get(TEMPLATE_NAME);
}