Examples with UNICAST_HOSTS_FILE org.elasticsearch.discovery.FileBasedSeedHostsProvider.UNICAST_HOSTS_FILE used on opensource projects

Example 1 with UNICAST_HOSTS_FILE

use of org.elasticsearch.discovery.FileBasedSeedHostsProvider.UNICAST_HOSTS_FILE in project crate by crate.

the class InternalTestCluster method rebuildUnicastHostFiles.

private void rebuildUnicastHostFiles(List<NodeAndClient> newNodes) {
    // cannot be a synchronized method since it's called on other threads from within synchronized startAndPublishNodesAndClients()
    synchronized (discoveryFileMutex) {
        try {
            final Collection<NodeAndClient> currentNodes = nodes.values();
            Stream<NodeAndClient> unicastHosts = Stream.concat(currentNodes.stream(), newNodes.stream());
            List<String> discoveryFileContents = unicastHosts.map(nac -> nac.node.injector().getInstance(TransportService.class)).filter(Objects::nonNull).map(TransportService::getLocalNode).filter(Objects::nonNull).filter(DiscoveryNode::isMasterEligibleNode).map(n -> n.getAddress().toString()).distinct().collect(Collectors.toList());
            Set<Path> configPaths = Stream.concat(currentNodes.stream(), newNodes.stream()).map(nac -> nac.node.getEnvironment().configFile()).collect(Collectors.toSet());
            logger.debug("configuring discovery with {} at {}", discoveryFileContents, configPaths);
            for (final Path configPath : configPaths) {
                Files.createDirectories(configPath);
                Files.write(configPath.resolve(UNICAST_HOSTS_FILE), discoveryFileContents);
            }
        } catch (IOException e) {
            throw new AssertionError("failed to configure file-based discovery", e);
        }
    }
}