Watchdog action that will signal a particular thread to abort. (#12860)

Signed-off-by: Kevin Baichoo <kbaichoo@google.com>

Mirrored from https://github.com/envoyproxy/envoy @ cd5bdc45475512e2e8db7965152ec051098be443

BUILD

@@ -245,6 +245,7 @@ proto_library(
         "//envoy/extensions/upstreams/http/http/v3:pkg",
         "//envoy/extensions/upstreams/http/tcp/v3:pkg",
         "//envoy/extensions/wasm/v3:pkg",
+        "//envoy/extensions/watchdog/abort_action/v3alpha:pkg",
         "//envoy/extensions/watchdog/profile_action/v3alpha:pkg",
         "//envoy/service/accesslog/v3:pkg",
         "//envoy/service/auth/v3:pkg",

envoy/extensions/watchdog/abort_action/v3alpha/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/watchdog/abort_action/v3alpha/abort_action.proto

@@ -0,0 +1,32 @@
+syntax = "proto3";
+
+package envoy.extensions.watchdog.abort_action.v3alpha;
+
+import "google/protobuf/duration.proto";
+
+import "udpa/annotations/status.proto";
+import "udpa/annotations/versioning.proto";
+import "validate/validate.proto";
+
+option java_package = "io.envoyproxy.envoy.extensions.watchdog.abort_action.v3alpha";
+option java_outer_classname = "AbortActionProto";
+option java_multiple_files = true;
+option (udpa.annotations.file_status).work_in_progress = true;
+option (udpa.annotations.file_status).package_version_status = ACTIVE;
+
+// [#protodoc-title: Watchdog Action that sends a SIGABRT to kill the process.]
+// [#extension: envoy.watchdog.abort_action]
+
+// A GuardDogAction that will terminate the process by sending SIGABRT to the
+// stuck thread. This would allow easier access to the call stack of the stuck
+// thread since we would run signal handlers on that thread. This would be
+// more useful than the default watchdog kill behaviors since those PANIC
+// from the watchdog's thread.
+
+// This is currently only implemented for systems that support kill to send
+// signals.
+message AbortActionConfig {
+  // How long to wait for the thread to respond to the SIGABRT before killing the
+  // process from this action. This is a blocking action.
+  google.protobuf.Duration wait_duration = 1;
+}

versioning/BUILD

@@ -128,6 +128,7 @@ proto_library(
         "//envoy/extensions/upstreams/http/http/v3:pkg",
         "//envoy/extensions/upstreams/http/tcp/v3:pkg",
         "//envoy/extensions/wasm/v3:pkg",
+        "//envoy/extensions/watchdog/abort_action/v3alpha:pkg",
         "//envoy/extensions/watchdog/profile_action/v3alpha:pkg",
         "//envoy/service/accesslog/v3:pkg",
         "//envoy/service/auth/v3:pkg",