Expose fault.http.abort.http_status setting via HTTTP header (#10294)

The partial implementation of #10254. Adding a support for http header responsible for injecting faults - aborting requests with x-envoy-fault-abort-request HTTP header set.

Risk Level: low, new feature.
Testing: Added
Docs Changes: Added
Release Notes: Added

Signed-off-by: Rafal Augustyniak <raugustyniak@lyft.com>

Mirrored from https://github.com/envoyproxy/envoy @ 55971b23978b961da71c80b49ddede4c88f24eab

envoy/config/filter/fault/v2/fault.proto

@@ -27,7 +27,7 @@ message FaultDelay {
   }
 
   // Fault delays are controlled via an HTTP header (if applicable). See the
-  // :ref:`http fault filter <config_http_filters_fault_injection_http_header>` documentation for
+  // :ref:`HTTP fault filter <config_http_filters_fault_injection_http_header>` documentation for
   // more information.
   message HeaderDelay {
   }
@@ -65,7 +65,7 @@ message FaultRateLimit {
   }
 
   // Rate limits are controlled via an HTTP header (if applicable). See the
-  // :ref:`http fault filter <config_http_filters_fault_injection_http_header>` documentation for
+  // :ref:`HTTP fault filter <config_http_filters_fault_injection_http_header>` documentation for
   // more information.
   message HeaderLimit {
   }

envoy/config/filter/http/fault/v2/fault.proto

@@ -21,6 +21,12 @@ option (udpa.annotations.file_migrate).move_to_package = "envoy.extensions.filte
 // [#extension: envoy.filters.http.fault]
 
 message FaultAbort {
+  // Fault aborts are controlled via an HTTP header (if applicable). See the
+  // :ref:`HTTP fault filter <config_http_filters_fault_injection_http_header>` documentation for
+  // more information.
+  message HeaderAbort {
+  }
+
   reserved 1;
 
   oneof error_type {
@@ -28,6 +34,9 @@ message FaultAbort {
 
     // HTTP status code to use to abort the HTTP request.
     uint32 http_status = 2 [(validate.rules).uint32 = {lt: 600 gte: 200}];
+
+    // Fault aborts are controlled via an HTTP header (if applicable).
+    HeaderAbort header_abort = 4;
   }
 
   // The percentage of requests/operations/connections that will be aborted with the error code

envoy/extensions/filters/common/fault/v3/fault.proto

@@ -30,7 +30,7 @@ message FaultDelay {
   }
 
   // Fault delays are controlled via an HTTP header (if applicable). See the
-  // :ref:`http fault filter <config_http_filters_fault_injection_http_header>` documentation for
+  // :ref:`HTTP fault filter <config_http_filters_fault_injection_http_header>` documentation for
   // more information.
   message HeaderDelay {
     option (udpa.annotations.versioning).previous_message_type =
@@ -75,7 +75,7 @@ message FaultRateLimit {
   }
 
   // Rate limits are controlled via an HTTP header (if applicable). See the
-  // :ref:`http fault filter <config_http_filters_fault_injection_http_header>` documentation for
+  // :ref:`HTTP fault filter <config_http_filters_fault_injection_http_header>` documentation for
   // more information.
   message HeaderLimit {
     option (udpa.annotations.versioning).previous_message_type =

envoy/extensions/filters/http/fault/v3/fault.proto

@@ -24,6 +24,14 @@ message FaultAbort {
   option (udpa.annotations.versioning).previous_message_type =
       "envoy.config.filter.http.fault.v2.FaultAbort";
 
+  // Fault aborts are controlled via an HTTP header (if applicable). See the
+  // :ref:`HTTP fault filter <config_http_filters_fault_injection_http_header>` documentation for
+  // more information.
+  message HeaderAbort {
+    option (udpa.annotations.versioning).previous_message_type =
+        "envoy.config.filter.http.fault.v2.FaultAbort.HeaderAbort";
+  }
+
   reserved 1;
 
   oneof error_type {
@@ -31,6 +39,9 @@ message FaultAbort {
 
     // HTTP status code to use to abort the HTTP request.
     uint32 http_status = 2 [(validate.rules).uint32 = {lt: 600 gte: 200}];
+
+    // Fault aborts are controlled via an HTTP header (if applicable).
+    HeaderAbort header_abort = 4;
   }
 
   // The percentage of requests/operations/connections that will be aborted with the error code