Examples with LocalService org.apache.calcite.avatica.remote.LocalService used on opensource projects

Example 6 with LocalService

use of org.apache.calcite.avatica.remote.LocalService in project calcite-avatica by apache.

the class StandaloneServer method start.

public void start() {
    if (null != server) {
        LOG.error("The server was already started");
        Unsafe.systemExit(ExitCodes.ALREADY_STARTED.ordinal());
        return;
    }
    try {
        JdbcMeta meta = new JdbcMeta(url);
        LocalService service = new LocalService(meta);
        // Construct the server
        this.server = new HttpServer.Builder().withHandler(service, serialization).withPort(port).build();
        // Then start it
        server.start();
        LOG.info("Started Avatica server on port {} with serialization {}", server.getPort(), serialization);
    } catch (Exception e) {
        LOG.error("Failed to start Avatica server", e);
        Unsafe.systemExit(ExitCodes.START_FAILED.ordinal());
    }
}

Example 7 with LocalService

use of org.apache.calcite.avatica.remote.LocalService in project phoenix by apache.

the class QueryServer method run.

@Override
public int run(String[] args) throws Exception {
    logProcessInfo(getConf());
    try {
        final boolean isKerberos = "kerberos".equalsIgnoreCase(getConf().get(QueryServices.QUERY_SERVER_HBASE_SECURITY_CONF_ATTRIB));
        final boolean disableSpnego = getConf().getBoolean(QueryServices.QUERY_SERVER_SPNEGO_AUTH_DISABLED_ATTRIB, QueryServicesOptions.DEFAULT_QUERY_SERVER_SPNEGO_AUTH_DISABLED);
        // handle secure cluster credentials
        if (isKerberos && !disableSpnego) {
            String hostname = Strings.domainNamePointerToHostName(DNS.getDefaultHost(getConf().get(QueryServices.QUERY_SERVER_DNS_INTERFACE_ATTRIB, "default"), getConf().get(QueryServices.QUERY_SERVER_DNS_NAMESERVER_ATTRIB, "default")));
            if (LOG.isDebugEnabled()) {
                LOG.debug("Login to " + hostname + " using " + getConf().get(QueryServices.QUERY_SERVER_KEYTAB_FILENAME_ATTRIB) + " and principal " + getConf().get(QueryServices.QUERY_SERVER_KERBEROS_PRINCIPAL_ATTRIB) + ".");
            }
            SecurityUtil.login(getConf(), QueryServices.QUERY_SERVER_KEYTAB_FILENAME_ATTRIB, QueryServices.QUERY_SERVER_KERBEROS_PRINCIPAL_ATTRIB, hostname);
            LOG.info("Login successful.");
        }
        Class<? extends PhoenixMetaFactory> factoryClass = getConf().getClass(QueryServices.QUERY_SERVER_META_FACTORY_ATTRIB, PhoenixMetaFactoryImpl.class, PhoenixMetaFactory.class);
        int port = getConf().getInt(QueryServices.QUERY_SERVER_HTTP_PORT_ATTRIB, QueryServicesOptions.DEFAULT_QUERY_SERVER_HTTP_PORT);
        LOG.debug("Listening on port " + port);
        PhoenixMetaFactory factory = factoryClass.getDeclaredConstructor(Configuration.class).newInstance(getConf());
        Meta meta = factory.create(Arrays.asList(args));
        Service service = new LocalService(meta);
        // Start building the Avatica HttpServer
        final HttpServer.Builder builder = new HttpServer.Builder().withPort(port).withHandler(service, getSerialization(getConf()));
        // Enable SPNEGO and Impersonation when using Kerberos
        if (isKerberos) {
            UserGroupInformation ugi = UserGroupInformation.getLoginUser();
            // Make sure the proxyuser configuration is up to date
            ProxyUsers.refreshSuperUserGroupsConfiguration(getConf());
            String keytabPath = getConf().get(QueryServices.QUERY_SERVER_KEYTAB_FILENAME_ATTRIB);
            File keytab = new File(keytabPath);
            String realmsString = getConf().get(QueryServices.QUERY_SERVER_KERBEROS_ALLOWED_REALMS, null);
            String[] additionalAllowedRealms = null;
            if (null != realmsString) {
                additionalAllowedRealms = StringUtils.split(realmsString, ',');
            }
            // Enable SPNEGO and impersonation (through standard Hadoop configuration means)
            builder.withSpnego(ugi.getUserName(), additionalAllowedRealms).withAutomaticLogin(keytab).withImpersonation(new PhoenixDoAsCallback(ugi, getConf()));
        }
        // Build and start the HttpServer
        server = builder.build();
        server.start();
        runningLatch.countDown();
        server.join();
        return 0;
    } catch (Throwable t) {
        LOG.fatal("Unrecoverable service error. Shutting down.", t);
        this.t = t;
        return -1;
    }
}