![]() Hosts are considered stale if they have not been usedĪs upstream destinations during this interval. ( Duration) The interval for removing stale hosts from a cluster type ( cluster.OutlierDetection) If specified, outlier detection will be enabled for this upstream cluster.Įach of the configuration values can be overridden via Apple’ API only uses UDP for DNS resolution. ( bool) Always use TCP queries instead of UDP queries for DNS lookups. Apple’s API only allows overriding DNS resolvers via system settings. For cluster typesĮnvoy.restart_e_apple_api_for_dns_lookups runtime value is true during Resolver, which uses /etc/nf for configuration. If this setting is not specified, the value defaults to the default This value is used to specify the cluster’s dns resolvers. ( core.Address) If DNS resolvers are specified and the cluster type is either ( Cluster.DnsLookupFamily) The DNS IP address resolution policy. If the value is set to true,Ĭluster’s DNS refresh rate will be set to resource record’s TTL which comes from DNS ( bool) Optional configuration for setting cluster’s DNS refresh rate. Not specified, the failure refresh rate defaults to the DNS refresh rate. This is used as the cluster’s DNS refresh rate when requests are failing. ( Cluster.RefreshRate) If the DNS failure refresh rate is specified and the cluster type is either The value configured must be at least 1ms. ![]() This value is used as the cluster’s DNS refresh ( Duration) If the DNS refresh rate is specified and the cluster type is either See the extension’s documentation for details on The key should match the extension filter name, such as (map) The extension_protocol_options field is used to provide extension-specific protocol optionsįor upstream connections. As an aside this allows HTTP/2Ĭonnections to happen over plain text. With ALPN, http2_protocol_options must be specified. Supports prior knowledge for upstream connections. Making new HTTP connection pool connections. Set so that Envoy will assume that the upstream supports HTTP/2 when ( core.Http2ProtocolOptions) Even if default HTTP2 protocol options are desired, this field must be ( core.Http1ProtocolOptions) Additional options when handling HTTP1 requests. These options will be applicable toīoth HTTP1 and HTTP2 requests. ( core.HttpProtocolOptions) Additional options when handling HTTP requests upstream. These options apply to all HTTP versions. ( core.UpstreamHttpProtocolOptions) HTTP protocol options that are applied only to upstream HTTP connections. Use transport_socket with name tls instead. ( core.Address) If the service discovery type is ( Cluster.LbPolicy) The load balancer type to use Unspecified, an implementation defined default is applied (1MiB). ( UInt32Value) Soft limit on size of the cluster’s connections read and write buffers. ( Duration) The timeout for new network connections to hosts in the cluster. ( Cluster.EdsClusterConfig) Configuration to use for EDS updates for the Cluster. Only one of type, cluster_type may be set. ( Cluster.CustomClusterType) The custom cluster type. ( Cluster.DiscoveryType) The service discovery type ( string) An optional alternative to the cluster name to be used while emitting stats.Īny : in the name will be converted to _ when emitting statistics. Statistics if alt_stat_name is not provided.Īny : in the cluster name will be converted to _ when emitting statistics. ( string, REQUIRED) Supplies the name of the cluster which must be unique across all clusters. Transport_socket_match set, and still send plain text traffic to the same cluster. Traffic for endpoints with “acceptMTLS”: “true”, by adding a corresponding Then the xDS server can configure the CDS to a client, Envoy A, to send mutual TLS Has “acceptPlaintext”: “true” metadata information. While some other endpoints, only accepting plaintext traffic ![]() For example,Īn endpoint’s metadata can have two key value pairs as “acceptMTLS”: “true”, The metadata of endpoints in EDS can indicate transport socket capabilities. This field allows gradual and flexible transport socket configuration changes. Transport_socket specified in this cluster. TransportSocketMatch, socket configuration fallbacks to use the tls_context or If an endpoint metadata’s value under ansport_socket_match does not match any Having “acceptMTLS”/”true” key/value pair use the “enableMTLS” socket configuration.Ĭriteria is provided, that always match any endpoint. Transport_socket : name : ansport_sockets.raw_bufferĬonnections to the endpoints whose metadata value under ansport_socket_match
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