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139 lines
6.8 KiB
139 lines
6.8 KiB
syntax = "proto3"; |
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package envoy.api.v2; |
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import "envoy/api/v2/core/base.proto"; |
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import "envoy/api/v2/core/config_source.proto"; |
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import "envoy/api/v2/discovery.proto"; |
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import "envoy/api/v2/route/route.proto"; |
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import "google/api/annotations.proto"; |
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import "google/protobuf/wrappers.proto"; |
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import "validate/validate.proto"; |
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option java_package = "io.envoyproxy.envoy.api.v2"; |
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option java_outer_classname = "RdsProto"; |
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option java_multiple_files = true; |
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option java_generic_services = true; |
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// [#protodoc-title: HTTP route configuration] |
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// * Routing :ref:`architecture overview <arch_overview_http_routing>` |
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// * HTTP :ref:`router filter <config_http_filters_router>` |
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// The resource_names field in DiscoveryRequest specifies a route configuration. |
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// This allows an Envoy configuration with multiple HTTP listeners (and |
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// associated HTTP connection manager filters) to use different route |
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// configurations. Each listener will bind its HTTP connection manager filter to |
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// a route table via this identifier. |
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service RouteDiscoveryService { |
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rpc StreamRoutes(stream DiscoveryRequest) returns (stream DiscoveryResponse) { |
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} |
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rpc DeltaRoutes(stream DeltaDiscoveryRequest) returns (stream DeltaDiscoveryResponse) { |
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} |
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rpc FetchRoutes(DiscoveryRequest) returns (DiscoveryResponse) { |
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option (google.api.http).post = "/v2/discovery:routes"; |
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option (google.api.http).body = "*"; |
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} |
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} |
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// Virtual Host Discovery Service (VHDS) is used to dynamically update the list of virtual hosts for |
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// a given RouteConfiguration. If VHDS is configured a virtual host list update will be triggered |
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// during the processing of an HTTP request if a route for the request cannot be resolved. The |
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// :ref:`resource_names_subscribe <envoy_api_field_DeltaDiscoveryRequest.resource_names_subscribe>` |
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// field contains a list of virtual host names or aliases to track. The contents of an alias would |
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// be the contents of a *host* or *authority* header used to make an http request. An xDS server |
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// will match an alias to a virtual host based on the content of :ref:`domains' |
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// <envoy_api_field_route.VirtualHost.domains>` field. The *resource_names_unsubscribe* field |
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// contains a list of virtual host names that have been :ref:`unsubscribed |
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// <xds_protocol_unsubscribe>` from the routing table associated with the RouteConfiguration. |
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service VirtualHostDiscoveryService { |
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rpc DeltaVirtualHosts(stream DeltaDiscoveryRequest) returns (stream DeltaDiscoveryResponse) { |
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} |
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} |
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// [#next-free-field: 11] |
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message RouteConfiguration { |
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// The name of the route configuration. For example, it might match |
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// :ref:`route_config_name |
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// <envoy_api_field_config.filter.network.http_connection_manager.v2.Rds.route_config_name>` in |
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// :ref:`envoy_api_msg_config.filter.network.http_connection_manager.v2.Rds`. |
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string name = 1; |
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// An array of virtual hosts that make up the route table. |
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repeated route.VirtualHost virtual_hosts = 2; |
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// An array of virtual hosts will be dynamically loaded via the VHDS API. |
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// Both *virtual_hosts* and *vhds* fields will be used when present. *virtual_hosts* can be used |
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// for a base routing table or for infrequently changing virtual hosts. *vhds* is used for |
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// on-demand discovery of virtual hosts. The contents of these two fields will be merged to |
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// generate a routing table for a given RouteConfiguration, with *vhds* derived configuration |
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// taking precedence. |
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Vhds vhds = 9; |
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// Optionally specifies a list of HTTP headers that the connection manager |
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// will consider to be internal only. If they are found on external requests they will be cleaned |
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// prior to filter invocation. See :ref:`config_http_conn_man_headers_x-envoy-internal` for more |
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// information. |
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repeated string internal_only_headers = 3; |
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// Specifies a list of HTTP headers that should be added to each response that |
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// the connection manager encodes. Headers specified at this level are applied |
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// after headers from any enclosed :ref:`envoy_api_msg_route.VirtualHost` or |
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// :ref:`envoy_api_msg_route.RouteAction`. For more information, including details on |
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// header value syntax, see the documentation on :ref:`custom request headers |
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// <config_http_conn_man_headers_custom_request_headers>`. |
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repeated core.HeaderValueOption response_headers_to_add = 4 |
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[(validate.rules).repeated = {max_items: 1000}]; |
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// Specifies a list of HTTP headers that should be removed from each response |
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// that the connection manager encodes. |
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repeated string response_headers_to_remove = 5; |
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// Specifies a list of HTTP headers that should be added to each request |
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// routed by the HTTP connection manager. Headers specified at this level are |
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// applied after headers from any enclosed :ref:`envoy_api_msg_route.VirtualHost` or |
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// :ref:`envoy_api_msg_route.RouteAction`. For more information, including details on |
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// header value syntax, see the documentation on :ref:`custom request headers |
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// <config_http_conn_man_headers_custom_request_headers>`. |
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repeated core.HeaderValueOption request_headers_to_add = 6 |
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[(validate.rules).repeated = {max_items: 1000}]; |
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// Specifies a list of HTTP headers that should be removed from each request |
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// routed by the HTTP connection manager. |
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repeated string request_headers_to_remove = 8; |
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// By default, headers that should be added/removed are evaluated from most to least specific: |
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// |
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// * route level |
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// * virtual host level |
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// * connection manager level |
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// |
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// To allow setting overrides at the route or virtual host level, this order can be reversed |
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// by setting this option to true. Defaults to false. |
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// |
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// [#next-major-version: In the v3 API, this will default to true.] |
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bool most_specific_header_mutations_wins = 10; |
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// An optional boolean that specifies whether the clusters that the route |
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// table refers to will be validated by the cluster manager. If set to true |
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// and a route refers to a non-existent cluster, the route table will not |
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// load. If set to false and a route refers to a non-existent cluster, the |
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// route table will load and the router filter will return a 404 if the route |
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// is selected at runtime. This setting defaults to true if the route table |
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// is statically defined via the :ref:`route_config |
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// <envoy_api_field_config.filter.network.http_connection_manager.v2.HttpConnectionManager.route_config>` |
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// option. This setting default to false if the route table is loaded dynamically via the |
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// :ref:`rds |
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// <envoy_api_field_config.filter.network.http_connection_manager.v2.HttpConnectionManager.rds>` |
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// option. Users may wish to override the default behavior in certain cases (for example when |
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// using CDS with a static route table). |
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google.protobuf.BoolValue validate_clusters = 7; |
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} |
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message Vhds { |
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// Configuration source specifier for VHDS. |
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core.ConfigSource config_source = 1 [(validate.rules).message = {required: true}]; |
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}
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