docs: add cncf/xds protos (#20277)

Signed-off-by: Kuat Yessenov <kuat@google.com>

Mirrored from https://github.com/envoyproxy/envoy @ c39f2b2e951a5059d16c84b4786cc0de22d4f002

BUILD

@@ -285,12 +285,23 @@ proto_library(
     ],
 )
 
+proto_library(
+    name = "xds_protos",
+    visibility = ["//visibility:public"],
+    deps = [
+        "@com_github_cncf_udpa//xds/core/v3:pkg",
+        "@com_github_cncf_udpa//xds/type/matcher/v3:pkg",
+        "@com_github_cncf_udpa//xds/type/v3:pkg",
+    ],
+)
+
 proto_library(
     name = "all_protos",
     visibility = ["//visibility:public"],
     deps = [
         ":v2_protos",
         ":v3_protos",
+        ":xds_protos",
     ],
 )
 

bazel/repository_locations.bzl

@@ -33,9 +33,9 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_desc = "xDS API Working Group (xDS-WG)",
         project_url = "https://github.com/cncf/xds",
         # During the UDPA -> xDS migration, we aren't working with releases.
-        version = "0fa49ea1db0ccf084453766a755b2e76434d99fc",
+        version = "7f1daf1720fc185f3b63f70d25aefaeef83d88d7",
-        sha256 = "9369c65e20201ea43e2c293cf024f58167dd727d864706481972ccdf3aacdaab",
+        sha256 = "62c0daaff43fd9a62c280bf2b0c2b670372b24377ea5e9ea4302cf748dd53cba",
-        release_date = "2022-01-12",
+        release_date = "2022-03-14",
         strip_prefix = "xds-{version}",
         urls = ["https://github.com/cncf/xds/archive/{version}.tar.gz"],
         use_category = ["api"],

envoy/extensions/matching/common_inputs/network/v3/network_inputs.proto

@@ -13,18 +13,22 @@ option (udpa.annotations.file_status).package_version_status = ACTIVE;
 // [#protodoc-title: Common Network Matching Inputs]
 
 // Specifies that matching should be performed by the destination IP address.
+// [#extension: envoy.matching.inputs.destination_ip]
 message DestinationIPInput {
 }
 
 // Specifies that matching should be performed by the destination port.
+// [#extension: envoy.matching.inputs.destination_port]
 message DestinationPortInput {
 }
 
 // Specifies that matching should be performed by the source IP address.
+// [#extension: envoy.matching.inputs.source_ip]
 message SourceIPInput {
 }
 
 // Specifies that matching should be performed by the source port.
+// [#extension: envoy.matching.inputs.source_port]
 message SourcePortInput {
 }
 
@@ -32,6 +36,7 @@ message SourcePortInput {
 // will only be different from the source IP address when using a listener
 // filter that overrides the source address, such as the :ref:`Proxy Protocol
 // listener filter <config_listener_filters_proxy_protocol>`).
+// [#extension: envoy.matching.inputs.direct_source_ip]
 message DirectSourceIPInput {
 }
 
@@ -39,6 +44,7 @@ message DirectSourceIPInput {
 // Specifies the source IP match type. The values include:
 //
 // * ``local`` - matches a connection originating from the same host,
+// [#extension: envoy.matching.inputs.source_type]
 message SourceTypeInput {
 }
 
@@ -46,6 +52,7 @@ message SourceTypeInput {
 //
 // :ref:`TLS Inspector <config_listener_filters_tls_inspector>` provides the requested server name based on SNI,
 // when TLS protocol is detected.
+// [#extension: envoy.matching.inputs.server_name]
 message ServerNameInput {
 }
 
@@ -56,6 +63,7 @@ message ServerNameInput {
 // * ``raw_buffer`` - default, used when no transport protocol is detected,
 // * ``tls`` - set by :ref:`envoy.filters.listener.tls_inspector <config_listener_filters_tls_inspector>`
 //   when TLS protocol is detected.
+// [#extension: envoy.matching.inputs.transport_protocol]
 message TransportProtocolInput {
 }
 
@@ -84,5 +92,6 @@ message TransportProtocolInput {
 //   However, the use of ALPN is pretty much limited to the HTTP/2 traffic on the Internet,
 //   and matching on values other than ``h2`` is going to lead to a lot of false negatives,
 //   unless all connecting clients are known to use ALPN.
+// [#extension: envoy.matching.inputs.application_protocol]
 message ApplicationProtocolInput {
 }

envoy/type/matcher/v3/http_inputs.proto

@@ -18,6 +18,7 @@ option (udpa.annotations.file_status).package_version_status = ACTIVE;
 // e.g. if the request contains two 'foo' headers with value 'bar' and 'baz', the input
 // string will be 'bar,baz'.
 // [#comment:TODO(snowp): Link to unified matching docs.]
+// [#extension: envoy.matching.inputs.request_headers]
 message HttpRequestHeaderMatchInput {
   // The request header to match on.
   string header_name = 1
@@ -29,6 +30,7 @@ message HttpRequestHeaderMatchInput {
 // e.g. if the request contains two 'foo' headers with value 'bar' and 'baz', the input
 // string will be 'bar,baz'.
 // [#comment:TODO(snowp): Link to unified matching docs.]
+// [#extension: envoy.matching.inputs.request_trailers]
 message HttpRequestTrailerMatchInput {
   // The request trailer to match on.
   string header_name = 1
@@ -40,6 +42,7 @@ message HttpRequestTrailerMatchInput {
 // e.g. if the response contains two 'foo' headers with value 'bar' and 'baz', the input
 // string will be 'bar,baz'.
 // [#comment:TODO(snowp): Link to unified matching docs.]
+// [#extension: envoy.matching.inputs.response_headers]
 message HttpResponseHeaderMatchInput {
   // The response header to match on.
   string header_name = 1
@@ -51,6 +54,7 @@ message HttpResponseHeaderMatchInput {
 // e.g. if the request contains two 'foo' headers with value 'bar' and 'baz', the input
 // string will be 'bar,baz'.
 // [#comment:TODO(snowp): Link to unified matching docs.]
+// [#extension: envoy.matching.inputs.response_trailers]
 message HttpResponseTrailerMatchInput {
   // The response trailer to match on.
   string header_name = 1