Examples with DiscoveryType io.envoyproxy.envoy.config.cluster.v3.Cluster.DiscoveryType used on opensource projects

Example 1 with DiscoveryType

use of io.envoyproxy.envoy.config.cluster.v3.Cluster.DiscoveryType in project grpc-java by grpc.

the class ClientXdsClient method parseNonAggregateCluster.

private static StructOrError<CdsUpdate.Builder> parseNonAggregateCluster(Cluster cluster, Set<String> edsResources, Set<String> certProviderInstances, ServerInfo serverInfo) {
    String clusterName = cluster.getName();
    ServerInfo lrsServerInfo = null;
    Long maxConcurrentRequests = null;
    UpstreamTlsContext upstreamTlsContext = null;
    if (cluster.hasLrsServer()) {
        if (!cluster.getLrsServer().hasSelf()) {
            return StructOrError.fromError("Cluster " + clusterName + ": only support LRS for the same management server");
        }
        lrsServerInfo = serverInfo;
    }
    if (cluster.hasCircuitBreakers()) {
        List<Thresholds> thresholds = cluster.getCircuitBreakers().getThresholdsList();
        for (Thresholds threshold : thresholds) {
            if (threshold.getPriority() != RoutingPriority.DEFAULT) {
                continue;
            }
            if (threshold.hasMaxRequests()) {
                maxConcurrentRequests = (long) threshold.getMaxRequests().getValue();
            }
        }
    }
    if (cluster.getTransportSocketMatchesCount() > 0) {
        return StructOrError.fromError("Cluster " + clusterName + ": transport-socket-matches not supported.");
    }
    if (cluster.hasTransportSocket()) {
        if (!TRANSPORT_SOCKET_NAME_TLS.equals(cluster.getTransportSocket().getName())) {
            return StructOrError.fromError("transport-socket with name " + cluster.getTransportSocket().getName() + " not supported.");
        }
        try {
            upstreamTlsContext = UpstreamTlsContext.fromEnvoyProtoUpstreamTlsContext(validateUpstreamTlsContext(unpackCompatibleType(cluster.getTransportSocket().getTypedConfig(), io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext.class, TYPE_URL_UPSTREAM_TLS_CONTEXT, TYPE_URL_UPSTREAM_TLS_CONTEXT_V2), certProviderInstances));
        } catch (InvalidProtocolBufferException | ResourceInvalidException e) {
            return StructOrError.fromError("Cluster " + clusterName + ": malformed UpstreamTlsContext: " + e);
        }
    }
    DiscoveryType type = cluster.getType();
    if (type == DiscoveryType.EDS) {
        String edsServiceName = null;
        io.envoyproxy.envoy.config.cluster.v3.Cluster.EdsClusterConfig edsClusterConfig = cluster.getEdsClusterConfig();
        if (!edsClusterConfig.getEdsConfig().hasAds() && !edsClusterConfig.getEdsConfig().hasSelf()) {
            return StructOrError.fromError("Cluster " + clusterName + ": field eds_cluster_config must be set to indicate to use" + " EDS over ADS or self ConfigSource");
        }
        // If the service_name field is set, that value will be used for the EDS request.
        if (!edsClusterConfig.getServiceName().isEmpty()) {
            edsServiceName = edsClusterConfig.getServiceName();
            edsResources.add(edsServiceName);
        } else {
            edsResources.add(clusterName);
        }
        return StructOrError.fromStruct(CdsUpdate.forEds(clusterName, edsServiceName, lrsServerInfo, maxConcurrentRequests, upstreamTlsContext));
    } else if (type.equals(DiscoveryType.LOGICAL_DNS)) {
        if (!cluster.hasLoadAssignment()) {
            return StructOrError.fromError("Cluster " + clusterName + ": LOGICAL_DNS clusters must have a single host");
        }
        ClusterLoadAssignment assignment = cluster.getLoadAssignment();
        if (assignment.getEndpointsCount() != 1 || assignment.getEndpoints(0).getLbEndpointsCount() != 1) {
            return StructOrError.fromError("Cluster " + clusterName + ": LOGICAL_DNS clusters must have a single " + "locality_lb_endpoint and a single lb_endpoint");
        }
        io.envoyproxy.envoy.config.endpoint.v3.LbEndpoint lbEndpoint = assignment.getEndpoints(0).getLbEndpoints(0);
        if (!lbEndpoint.hasEndpoint() || !lbEndpoint.getEndpoint().hasAddress() || !lbEndpoint.getEndpoint().getAddress().hasSocketAddress()) {
            return StructOrError.fromError("Cluster " + clusterName + ": LOGICAL_DNS clusters must have an endpoint with address and socket_address");
        }
        SocketAddress socketAddress = lbEndpoint.getEndpoint().getAddress().getSocketAddress();
        if (!socketAddress.getResolverName().isEmpty()) {
            return StructOrError.fromError("Cluster " + clusterName + ": LOGICAL DNS clusters must NOT have a custom resolver name set");
        }
        if (socketAddress.getPortSpecifierCase() != PortSpecifierCase.PORT_VALUE) {
            return StructOrError.fromError("Cluster " + clusterName + ": LOGICAL DNS clusters socket_address must have port_value");
        }
        String dnsHostName = String.format("%s:%d", socketAddress.getAddress(), socketAddress.getPortValue());
        return StructOrError.fromStruct(CdsUpdate.forLogicalDns(clusterName, dnsHostName, lrsServerInfo, maxConcurrentRequests, upstreamTlsContext));
    }
    return StructOrError.fromError("Cluster " + clusterName + ": unsupported built-in discovery type: " + type);
}