Proxy-WASM configuration protos. (#9256)

Signed-off-by: John Plevyak <jplevyak@gmail.com>

Mirrored from https://github.com/envoyproxy/envoy @ bd637c4e3d691a74721049bba5aacc4551123aa8

BUILD

@@ -95,6 +95,7 @@ proto_library(
         "//envoy/config/transport_socket/alts/v2alpha:pkg",
         "//envoy/config/transport_socket/raw_buffer/v2:pkg",
         "//envoy/config/transport_socket/tap/v2alpha:pkg",
+        "//envoy/config/wasm/v2alpha:pkg",
         "//envoy/data/accesslog/v2:pkg",
         "//envoy/data/cluster/v2alpha:pkg",
         "//envoy/data/core/v2alpha:pkg",
@@ -209,6 +210,7 @@ proto_library(
         "//envoy/extensions/transport_sockets/raw_buffer/v3:pkg",
         "//envoy/extensions/transport_sockets/tap/v3:pkg",
         "//envoy/extensions/transport_sockets/tls/v3:pkg",
+        "//envoy/extensions/wasm/v3:pkg",
         "//envoy/service/accesslog/v3:pkg",
         "//envoy/service/auth/v3:pkg",
         "//envoy/service/cluster/v3:pkg",

docs/BUILD

@@ -101,6 +101,7 @@ proto_library(
         "//envoy/config/transport_socket/alts/v2alpha:pkg",
         "//envoy/config/transport_socket/raw_buffer/v2:pkg",
         "//envoy/config/transport_socket/tap/v2alpha:pkg",
+        "//envoy/config/wasm/v2alpha:pkg",
         "//envoy/data/accesslog/v2:pkg",
         "//envoy/data/cluster/v2alpha:pkg",
         "//envoy/data/core/v2alpha:pkg",

envoy/config/wasm/v2alpha/BUILD

@@ -0,0 +1,12 @@
+# DO NOT EDIT. This file is generated by tools/proto_sync.py.
+
+load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
+
+licenses(["notice"])  # Apache 2
+
+api_proto_package(
+    deps = [
+        "//envoy/api/v2/core:pkg",
+        "@com_github_cncf_udpa//udpa/annotations:pkg",
+    ],
+)

envoy/config/wasm/v2alpha/wasm.proto

@@ -0,0 +1,81 @@
+syntax = "proto3";
+
+package envoy.config.wasm.v2alpha;
+
+import "envoy/api/v2/core/base.proto";
+
+import "google/protobuf/any.proto";
+
+import "udpa/annotations/migrate.proto";
+import "validate/validate.proto";
+
+option java_package = "io.envoyproxy.envoy.config.wasm.v2alpha";
+option java_outer_classname = "WasmProto";
+option java_multiple_files = true;
+option (udpa.annotations.file_migrate).move_to_package = "envoy.extensions.wasm.v3";
+
+// [#protodoc-title: Wasm service]
+
+// Configuration for a Wasm VM.
+// [#next-free-field: 6]
+// [#not-implemented-hide:] pending implementation.
+message VmConfig {
+  // An ID which will be used along with a hash of the wasm code (or the name of the registered Null
+  // VM plugin) to determine which VM will be used for the plugin. All plugins which use the same
+  // *vm_id* and code will use the same VM. May be left blank. Sharing a VM between plugins can
+  // reduce memory utilization and make sharing of data easier which may have security implications.
+  // See ref: "TODO: add ref" for details.
+  string vm_id = 1;
+
+  // The Wasm runtime type (either "v8" or "null" for code compiled into Envoy).
+  string runtime = 2 [(validate.rules).string = {min_bytes: 1}];
+
+  // The Wasm code that Envoy will execute.
+  api.v2.core.AsyncDataSource code = 3;
+
+  // The Wasm configuration used in initialization of a new VM (proxy_on_start).
+  google.protobuf.Any configuration = 4;
+
+  // Allow the wasm file to include pre-compiled code on VMs which support it.
+  // Warning: this should only be enable for trusted sources as the precompiled code is not
+  // verified.
+  bool allow_precompiled = 5;
+}
+
+// Base Configuration for Wasm Plugins e.g. filters and services.
+// [#next-free-field: 6]
+// [#not-implemented-hide:] pending implementation.
+message PluginConfig {
+  // A unique name for a filters/services in a VM for use in identifying the filter/service if
+  // multiple filters/services are handled by the same *vm_id* and *group_name* and for
+  // logging/debugging.
+  string name = 1;
+
+  // A unique ID for a set of filters/services in a VM which will share a RootContext and Contexts
+  // if applicable (e.g. an Wasm HttpFilter and an Wasm AccessLog). If left blank, all
+  // filters/services with a blank group_name with the same *vm_id* will share Context(s).
+  string group_name = 2;
+
+  // Configuration for finding or starting VM.
+  oneof vm_config {
+    VmConfig inline_vm_config = 3;
+    // In the future add referential VM configurations.
+  }
+
+  // Filter/service configuration used to configure or reconfigure a plugin
+  // (proxy_on_configuration).
+  google.protobuf.Any configuration = 5;
+}
+
+// WasmService is configured as a built-in *envoy.wasm_service* :ref:`ServiceConfig
+// <envoy_api_msg_config.wasm.v2alpha.WasmService>`. This opaque configuration will be used to
+// create a Wasm Service.
+// [#not-implemented-hide:] pending implementation.
+message WasmService {
+  // General plugin configuration.
+  PluginConfig config = 1;
+
+  // If true, create a single VM rather than creating one VM per worker. Such a singleton can
+  // not be used with filters.
+  bool singleton = 2;
+}

envoy/extensions/wasm/v3/BUILD

@@ -0,0 +1,13 @@
+# DO NOT EDIT. This file is generated by tools/proto_sync.py.
+
+load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
+
+licenses(["notice"])  # Apache 2
+
+api_proto_package(
+    deps = [
+        "//envoy/config/core/v3:pkg",
+        "//envoy/config/wasm/v2alpha:pkg",
+        "@com_github_cncf_udpa//udpa/annotations:pkg",
+    ],
+)

envoy/extensions/wasm/v3/wasm.proto

@@ -0,0 +1,89 @@
+syntax = "proto3";
+
+package envoy.extensions.wasm.v3;
+
+import "envoy/config/core/v3/base.proto";
+
+import "google/protobuf/any.proto";
+
+import "udpa/annotations/versioning.proto";
+
+import "validate/validate.proto";
+
+option java_package = "io.envoyproxy.envoy.extensions.wasm.v3";
+option java_outer_classname = "WasmProto";
+option java_multiple_files = true;
+
+// [#protodoc-title: Wasm service]
+
+// Configuration for a Wasm VM.
+// [#next-free-field: 6]
+// [#not-implemented-hide:] pending implementation.
+message VmConfig {
+  option (udpa.annotations.versioning).previous_message_type = "envoy.config.wasm.v2alpha.VmConfig";
+
+  // An ID which will be used along with a hash of the wasm code (or the name of the registered Null
+  // VM plugin) to determine which VM will be used for the plugin. All plugins which use the same
+  // *vm_id* and code will use the same VM. May be left blank. Sharing a VM between plugins can
+  // reduce memory utilization and make sharing of data easier which may have security implications.
+  // See ref: "TODO: add ref" for details.
+  string vm_id = 1;
+
+  // The Wasm runtime type (either "v8" or "null" for code compiled into Envoy).
+  string runtime = 2 [(validate.rules).string = {min_bytes: 1}];
+
+  // The Wasm code that Envoy will execute.
+  config.core.v3.AsyncDataSource code = 3;
+
+  // The Wasm configuration used in initialization of a new VM (proxy_on_start).
+  google.protobuf.Any configuration = 4;
+
+  // Allow the wasm file to include pre-compiled code on VMs which support it.
+  // Warning: this should only be enable for trusted sources as the precompiled code is not
+  // verified.
+  bool allow_precompiled = 5;
+}
+
+// Base Configuration for Wasm Plugins e.g. filters and services.
+// [#next-free-field: 6]
+// [#not-implemented-hide:] pending implementation.
+message PluginConfig {
+  option (udpa.annotations.versioning).previous_message_type =
+      "envoy.config.wasm.v2alpha.PluginConfig";
+
+  // A unique name for a filters/services in a VM for use in identifying the filter/service if
+  // multiple filters/services are handled by the same *vm_id* and *group_name* and for
+  // logging/debugging.
+  string name = 1;
+
+  // A unique ID for a set of filters/services in a VM which will share a RootContext and Contexts
+  // if applicable (e.g. an Wasm HttpFilter and an Wasm AccessLog). If left blank, all
+  // filters/services with a blank group_name with the same *vm_id* will share Context(s).
+  string group_name = 2;
+
+  // Configuration for finding or starting VM.
+  oneof vm_config {
+    VmConfig inline_vm_config = 3;
+    // In the future add referential VM configurations.
+  }
+
+  // Filter/service configuration used to configure or reconfigure a plugin
+  // (proxy_on_configuration).
+  google.protobuf.Any configuration = 5;
+}
+
+// WasmService is configured as a built-in *envoy.wasm_service* :ref:`ServiceConfig
+// <envoy_api_msg_extensions.wasm.v3.WasmService>`. This opaque configuration will be used to
+// create a Wasm Service.
+// [#not-implemented-hide:] pending implementation.
+message WasmService {
+  option (udpa.annotations.versioning).previous_message_type =
+      "envoy.config.wasm.v2alpha.WasmService";
+
+  // General plugin configuration.
+  PluginConfig config = 1;
+
+  // If true, create a single VM rather than creating one VM per worker. Such a singleton can
+  // not be used with filters.
+  bool singleton = 2;
+}