Examples with CurrentCoreDescriptorProvider org.apache.solr.cloud.CurrentCoreDescriptorProvider used on opensource projects

Example 1 with CurrentCoreDescriptorProvider

use of org.apache.solr.cloud.CurrentCoreDescriptorProvider in project lucene-solr by apache.

the class ZkContainer method initZooKeeper.

public void initZooKeeper(final CoreContainer cc, String solrHome, CloudConfig config) {
    ZkController zkController = null;
    String zkRun = System.getProperty("zkRun");
    if (zkRun != null && config == null)
        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Cannot start Solr in cloud mode - no cloud config provided");
    if (config == null)
        // not in zk mode
        return;
    String zookeeperHost = config.getZkHost();
    // zookeeper in quorum mode currently causes a failure when trying to
    // register log4j mbeans.  See SOLR-2369
    // TODO: remove after updating to an slf4j based zookeeper
    System.setProperty("zookeeper.jmx.log4j.disable", "true");
    if (zkRun != null) {
        String zkDataHome = System.getProperty("zkServerDataDir", Paths.get(solrHome).resolve("zoo_data").toString());
        String zkConfHome = System.getProperty("zkServerConfDir", solrHome);
        zkServer = new SolrZkServer(stripChroot(zkRun), stripChroot(config.getZkHost()), zkDataHome, zkConfHome, config.getSolrHostPort());
        zkServer.parseConfig();
        zkServer.start();
        // set client from server config if not already set
        if (zookeeperHost == null) {
            zookeeperHost = zkServer.getClientString();
        }
    }
    int zkClientConnectTimeout = 30000;
    if (zookeeperHost != null) {
        // we are ZooKeeper enabled
        try {
            // If this is an ensemble, allow for a long connect time for other servers to come up
            if (zkRun != null && zkServer.getServers().size() > 1) {
                // 1 day for embedded ensemble
                zkClientConnectTimeout = 24 * 60 * 60 * 1000;
                log.info("Zookeeper client=" + zookeeperHost + "  Waiting for a quorum.");
            } else {
                log.info("Zookeeper client=" + zookeeperHost);
            }
            String confDir = System.getProperty("bootstrap_confdir");
            boolean boostrapConf = Boolean.getBoolean("bootstrap_conf");
            if (!ZkController.checkChrootPath(zookeeperHost, (confDir != null) || boostrapConf || zkRunOnly)) {
                throw new ZooKeeperException(SolrException.ErrorCode.SERVER_ERROR, "A chroot was specified in ZkHost but the znode doesn't exist. " + zookeeperHost);
            }
            zkController = new ZkController(cc, zookeeperHost, zkClientConnectTimeout, config, new CurrentCoreDescriptorProvider() {

                @Override
                public List<CoreDescriptor> getCurrentDescriptors() {
                    List<CoreDescriptor> descriptors = new ArrayList<>(cc.getLoadedCoreNames().size());
                    Collection<SolrCore> cores = cc.getCores();
                    for (SolrCore core : cores) {
                        descriptors.add(core.getCoreDescriptor());
                    }
                    return descriptors;
                }
            });
            if (zkRun != null && zkServer.getServers().size() > 1 && confDir == null && boostrapConf == false) {
                // we are part of an ensemble and we are not uploading the config - pause to give the config time
                // to get up
                Thread.sleep(10000);
            }
            if (confDir != null) {
                Path configPath = Paths.get(confDir);
                if (!Files.isDirectory(configPath))
                    throw new IllegalArgumentException("bootstrap_confdir must be a directory of configuration files");
                String confName = System.getProperty(ZkController.COLLECTION_PARAM_PREFIX + ZkController.CONFIGNAME_PROP, "configuration1");
                ZkConfigManager configManager = new ZkConfigManager(zkController.getZkClient());
                configManager.uploadConfigDir(configPath, confName);
            }
            if (boostrapConf) {
                ZkController.bootstrapConf(zkController.getZkClient(), cc, solrHome);
            }
        } catch (InterruptedException e) {
            // Restore the interrupted status
            Thread.currentThread().interrupt();
            log.error("", e);
            throw new ZooKeeperException(SolrException.ErrorCode.SERVER_ERROR, "", e);
        } catch (TimeoutException e) {
            log.error("Could not connect to ZooKeeper", e);
            throw new ZooKeeperException(SolrException.ErrorCode.SERVER_ERROR, "", e);
        } catch (IOException | KeeperException e) {
            log.error("", e);
            throw new ZooKeeperException(SolrException.ErrorCode.SERVER_ERROR, "", e);
        }
    }
    this.zkController = zkController;
}