remove path-matcher filter (#405)

* remove path-matcher filter

Signed-off-by: Wayne Zhang <[email protected]>

* remove Pattern

Signed-off-by: Wayne Zhang <[email protected]>

api/envoy/v9/http/common/base.proto

@@ -19,39 +19,6 @@ package espv2.api.envoy.v9.http.common;
 import "google/protobuf/duration.proto";
 import "validate/validate.proto";
 
-// Pattern defines a single pattern to match against
-// incoming requests. This pattern matcher is not limited to HTTP requests.
-//
-// ```yaml
-// pattern:
-//   uriTemplate: /foo/bar
-//   httpMethod: GET
-// ```
-message Pattern {
-  // URI template to match against as defined by
-  // [rfc6570](https://tools.ietf.org/html/rfc6570). For example, the
-  // following are valid URI templates:
-  //
-  //     /pets
-  //     /pets/{id}
-  //     /dictionary/{term:1}/{term}
-  //     /search{?q*,lang}
-  //
-  string uri_template = 1 [(validate.rules).string = {
-    // Must not be empty, at a minimum must be "/".
-    min_len: 1,
-    // Does not contain query params ('?', '&'), fragments ('#'), or invalid
-    // HTTP_HEADER_VALUE ('\r', '\n', '\0') characters.
-    pattern: '^[^?&#\\r\\n\\0]+$',
-  }];
-
-  // HTTP request method to match against as defined by
-  // [rfc7231](https://tools.ietf.org/html/rfc7231#page-21). For
-  // example: GET, HEAD, POST, PUT, DELETE.
-  string http_method = 2
-      [(validate.rules).string.well_known_regex = HTTP_HEADER_NAME];
-}
-
 message HttpUri {
   // The uri string including the domain and path.
   string uri = 1 [(validate.rules).string = {

api/scripts/go_proto_gen.sh

@@ -31,10 +31,6 @@ cp -f bazel-bin/api/envoy/v9/http/common/base_go_proto_/github.com/GoogleCloudPl
 bazel build //api/envoy/v9/http/service_control:config_go_proto
 mkdir -p src/go/proto/api/envoy/v9/http/service_control
 cp -f bazel-bin/api/envoy/v9/http/service_control/config_go_proto_/github.com/GoogleCloudPlatform/esp-v2/src/go/proto/api/envoy/v9/http/service_control/* src/go/proto/api/envoy/v9/http/service_control
-# HTTP filter path_matcher
-bazel build //api/envoy/v9/http/path_matcher:config_go_proto
-mkdir -p src/go/proto/api/envoy/v9/http/path_matcher
-cp -f bazel-bin/api/envoy/v9/http/path_matcher/config_go_proto_/github.com/GoogleCloudPlatform/esp-v2/src/go/proto/api/envoy/v9/http/path_matcher/* src/go/proto/api/envoy/v9/http/path_matcher
 # HTTP filter path_rewrite
 bazel build //api/envoy/v9/http/path_rewrite:config_go_proto
 mkdir -p src/go/proto/api/envoy/v9/http/path_rewrite

src/envoy/BUILD

@@ -15,7 +15,6 @@ envoy_cc_binary(
     deps = [
         "//src/envoy/http/backend_auth:filter_factory",
         "//src/envoy/http/grpc_metadata_scrubber:filter_factory",
-        "//src/envoy/http/path_matcher:filter_factory",
         "//src/envoy/http/path_rewrite:filter_factory",
         "//src/envoy/http/service_control:filter_factory",
         "@envoy//source/exe:envoy_main_entry_lib",

src/envoy/http/backend_auth/README.md

@@ -7,16 +7,6 @@ this filter overwrites the `Authorization` header with corresponding identity to
 _Note_: this is a pass through filter. If the requested operation is not configured in the
 filter config, the request will pass through unmodified.
 
-## Prerequisites
-
-This filter will not function unless the following filters appear earlier in the filter chain:
-
-- [Path Matcher](../path_matcher/README.md)
-
-This filter is designed to strongly integrate with the following filters:
-
-- [Backend Routing](../backend_routing/README.md)
-
 ## Configuration
 
 View the [backend auth configuration proto](../../../../api/envoy/v9/http/backend_auth/config.proto)