api: add stdout audit logger for RBAC audit logging. (#26453)

* Add stdout audit logger for RBAC audit logging.

Signed-off-by: Luwei Ge <lwge@google.com>

Mirrored from https://github.com/envoyproxy/envoy @ ce2ee7608faa34421a65be9986c29d0cc5d5e608

BUILD

@@ -273,6 +273,7 @@ proto_library(
         "//envoy/extensions/quic/proof_source/v3:pkg",
         "//envoy/extensions/quic/server_preferred_address/v3:pkg",
         "//envoy/extensions/rate_limit_descriptors/expr/v3:pkg",
+        "//envoy/extensions/rbac/audit_loggers/stream/v3:pkg",
         "//envoy/extensions/rbac/matchers/upstream_ip_port/v3:pkg",
         "//envoy/extensions/regex_engines/v3:pkg",
         "//envoy/extensions/request_id/uuid/v3:pkg",

envoy/extensions/rbac/audit_loggers/stream/v3/BUILD

@@ -0,0 +1,9 @@
+# DO NOT EDIT. This file is generated by tools/proto_format/proto_sync.py.
+
+load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
+
+licenses(["notice"])  # Apache 2
+
+api_proto_package(
+    deps = ["@com_github_cncf_udpa//udpa/annotations:pkg"],
+)

envoy/extensions/rbac/audit_loggers/stream/v3/stream.proto

@@ -0,0 +1,20 @@
+syntax = "proto3";
+
+package envoy.extensions.rbac.audit_loggers.stream.v3;
+
+import "udpa/annotations/status.proto";
+
+option java_package = "io.envoyproxy.envoy.extensions.rbac.audit_loggers.stream.v3";
+option java_outer_classname = "StreamProto";
+option java_multiple_files = true;
+option go_package = "github.com/envoyproxy/go-control-plane/envoy/extensions/rbac/audit_loggers/stream/v3;streamv3";
+option (udpa.annotations.file_status).package_version_status = ACTIVE;
+
+// [#protodoc-title: Standard Streams RBAC Audit Loggers]
+// [#not-implemented-hide:]
+
+// Custom configuration for the RBAC audit logger that writes log entries
+// directly to the operating system's standard output.
+// The logger outputs in JSON format and is currently not configurable.
+message StdoutAuditLog {
+}

versioning/BUILD

@@ -212,6 +212,7 @@ proto_library(
         "//envoy/extensions/quic/proof_source/v3:pkg",
         "//envoy/extensions/quic/server_preferred_address/v3:pkg",
         "//envoy/extensions/rate_limit_descriptors/expr/v3:pkg",
+        "//envoy/extensions/rbac/audit_loggers/stream/v3:pkg",
         "//envoy/extensions/rbac/matchers/upstream_ip_port/v3:pkg",
         "//envoy/extensions/regex_engines/v3:pkg",
         "//envoy/extensions/request_id/uuid/v3:pkg",