[reorg] move ext/gcp/metadata_query.* -> util/gcp_metadata_query.* (#36789)

Also rename the class from `MetadataQuery` to `GcpMetadataQuery`. Closes #36789 COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36789 from markdroth:reorg_gcp_metadata_query d2b84f46be PiperOrigin-RevId: 639256546
6 months ago · e4daabc8bc
parent 05af32503c
commit e4daabc8bc
19 changed files with 72 additions and 71 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -1872,7 +1872,6 @@ add_library(grpc
  src/core/ext/filters/rbac/rbac_service_config_parser.cc
  src/core/ext/filters/stateful_session/stateful_session_filter.cc
  src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc
-  src/core/ext/gcp/metadata_query.cc
  src/core/ext/transport/chttp2/alpn/alpn.cc
  src/core/ext/transport/chttp2/client/chttp2_connector.cc
  src/core/ext/transport/chttp2/server/chttp2_server.cc
@ -2603,6 +2602,7 @@ add_library(grpc
  src/core/tsi/ssl_transport_security_utils.cc
  src/core/tsi/transport_security.cc
  src/core/tsi/transport_security_grpc.cc
+  src/core/util/gcp_metadata_query.cc
  src/core/util/http_client/format_request.cc
  src/core/util/http_client/httpcli.cc
  src/core/util/http_client/httpcli_security_connector.cc
--- a/2
+++ b/2
@ -703,7 +703,6 @@ LIBGRPC_SRC = \
    src/core/ext/filters/rbac/rbac_service_config_parser.cc \
    src/core/ext/filters/stateful_session/stateful_session_filter.cc \
    src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc \
-    src/core/ext/gcp/metadata_query.cc \
    src/core/ext/transport/chttp2/alpn/alpn.cc \
    src/core/ext/transport/chttp2/client/chttp2_connector.cc \
    src/core/ext/transport/chttp2/server/chttp2_server.cc \
@ -1456,6 +1455,7 @@ LIBGRPC_SRC = \
    src/core/util/alloc.cc \
    src/core/util/android/log.cc \
    src/core/util/atm.cc \
+    src/core/util/gcp_metadata_query.cc \
    src/core/util/http_client/format_request.cc \
    src/core/util/http_client/httpcli.cc \
    src/core/util/http_client/httpcli_security_connector.cc \
--- a/Package.swift
+++ b/Package.swift
@ -193,8 +193,6 @@ let package = Package(
        "src/core/ext/filters/stateful_session/stateful_session_filter.h",
        "src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc",
        "src/core/ext/filters/stateful_session/stateful_session_service_config_parser.h",
-        "src/core/ext/gcp/metadata_query.cc",
-        "src/core/ext/gcp/metadata_query.h",
        "src/core/ext/transport/chttp2/alpn/alpn.cc",
        "src/core/ext/transport/chttp2/alpn/alpn.h",
        "src/core/ext/transport/chttp2/client/chttp2_connector.cc",
@ -1914,6 +1912,8 @@ let package = Package(
        "src/core/util/alloc.h",
        "src/core/util/android/log.cc",
        "src/core/util/atm.cc",
+        "src/core/util/gcp_metadata_query.cc",
+        "src/core/util/gcp_metadata_query.h",
        "src/core/util/http_client/format_request.cc",
        "src/core/util/http_client/format_request.h",
        "src/core/util/http_client/httpcli.cc",
--- a/build_autogenerated.yaml
+++ b/build_autogenerated.yaml
@ -261,7 +261,6 @@ libs:
  - src/core/ext/filters/rbac/rbac_service_config_parser.h
  - src/core/ext/filters/stateful_session/stateful_session_filter.h
  - src/core/ext/filters/stateful_session/stateful_session_service_config_parser.h
-  - src/core/ext/gcp/metadata_query.h
  - src/core/ext/transport/chttp2/alpn/alpn.h
  - src/core/ext/transport/chttp2/client/chttp2_connector.h
  - src/core/ext/transport/chttp2/server/chttp2_server.h
@ -1205,6 +1204,7 @@ libs:
  - src/core/tsi/transport_security.h
  - src/core/tsi/transport_security_grpc.h
  - src/core/tsi/transport_security_interface.h
+  - src/core/util/gcp_metadata_query.h
  - src/core/util/http_client/format_request.h
  - src/core/util/http_client/httpcli.h
  - src/core/util/http_client/httpcli_ssl_credentials.h
@ -1287,7 +1287,6 @@ libs:
  - src/core/ext/filters/rbac/rbac_service_config_parser.cc
  - src/core/ext/filters/stateful_session/stateful_session_filter.cc
  - src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc
-  - src/core/ext/gcp/metadata_query.cc
  - src/core/ext/transport/chttp2/alpn/alpn.cc
  - src/core/ext/transport/chttp2/client/chttp2_connector.cc
  - src/core/ext/transport/chttp2/server/chttp2_server.cc
@ -2018,6 +2017,7 @@ libs:
  - src/core/tsi/ssl_transport_security_utils.cc
  - src/core/tsi/transport_security.cc
  - src/core/tsi/transport_security_grpc.cc
+  - src/core/util/gcp_metadata_query.cc
  - src/core/util/http_client/format_request.cc
  - src/core/util/http_client/httpcli.cc
  - src/core/util/http_client/httpcli_security_connector.cc
--- a/config.m4
+++ b/config.m4
@ -78,7 +78,6 @@ if test "$PHP_GRPC" != "no"; then
    src/core/ext/filters/rbac/rbac_service_config_parser.cc \
    src/core/ext/filters/stateful_session/stateful_session_filter.cc \
    src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc \
-    src/core/ext/gcp/metadata_query.cc \
    src/core/ext/transport/chttp2/alpn/alpn.cc \
    src/core/ext/transport/chttp2/client/chttp2_connector.cc \
    src/core/ext/transport/chttp2/server/chttp2_server.cc \
@ -831,6 +830,7 @@ if test "$PHP_GRPC" != "no"; then
    src/core/util/alloc.cc \
    src/core/util/android/log.cc \
    src/core/util/atm.cc \
+    src/core/util/gcp_metadata_query.cc \
    src/core/util/http_client/format_request.cc \
    src/core/util/http_client/httpcli.cc \
    src/core/util/http_client/httpcli_security_connector.cc \
@ -1402,7 +1402,6 @@ if test "$PHP_GRPC" != "no"; then
  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/message_size)
  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/rbac)
  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/stateful_session)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/gcp)
  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/alpn)
  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/client)
  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/server)
--- a/config.w32
+++ b/config.w32
@ -43,7 +43,6 @@ if (PHP_GRPC != "no") {
    "src\\core\\ext\\filters\\rbac\\rbac_service_config_parser.cc " +
    "src\\core\\ext\\filters\\stateful_session\\stateful_session_filter.cc " +
    "src\\core\\ext\\filters\\stateful_session\\stateful_session_service_config_parser.cc " +
-    "src\\core\\ext\\gcp\\metadata_query.cc " +
    "src\\core\\ext\\transport\\chttp2\\alpn\\alpn.cc " +
    "src\\core\\ext\\transport\\chttp2\\client\\chttp2_connector.cc " +
    "src\\core\\ext\\transport\\chttp2\\server\\chttp2_server.cc " +
@ -796,6 +795,7 @@ if (PHP_GRPC != "no") {
    "src\\core\\util\\alloc.cc " +
    "src\\core\\util\\android\\log.cc " +
    "src\\core\\util\\atm.cc " +
+    "src\\core\\util\\gcp_metadata_query.cc " +
    "src\\core\\util\\http_client\\format_request.cc " +
    "src\\core\\util\\http_client\\httpcli.cc " +
    "src\\core\\util\\http_client\\httpcli_security_connector.cc " +
@ -1396,7 +1396,6 @@ if (PHP_GRPC != "no") {
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\filters\\message_size");
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\filters\\rbac");
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\filters\\stateful_session");
-  FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\gcp");
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\transport");
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\transport\\chttp2");
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\src\\core\\ext\\transport\\chttp2\\alpn");
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@ -302,7 +302,6 @@ Pod::Spec.new do |s|
                      'src/core/ext/filters/rbac/rbac_service_config_parser.h',
                      'src/core/ext/filters/stateful_session/stateful_session_filter.h',
                      'src/core/ext/filters/stateful_session/stateful_session_service_config_parser.h',
-                      'src/core/ext/gcp/metadata_query.h',
                      'src/core/ext/transport/binder/client/binder_connector.cc',
                      'src/core/ext/transport/binder/client/binder_connector.h',
                      'src/core/ext/transport/binder/client/channel_create.cc',
@ -1304,6 +1303,7 @@ Pod::Spec.new do |s|
                      'src/core/tsi/transport_security_grpc.h',
                      'src/core/tsi/transport_security_interface.h',
                      'src/core/util/alloc.h',
+                      'src/core/util/gcp_metadata_query.h',
                      'src/core/util/http_client/format_request.h',
                      'src/core/util/http_client/httpcli.h',
                      'src/core/util/http_client/httpcli_ssl_credentials.h',
@ -1594,7 +1594,6 @@ Pod::Spec.new do |s|
                              'src/core/ext/filters/rbac/rbac_service_config_parser.h',
                              'src/core/ext/filters/stateful_session/stateful_session_filter.h',
                              'src/core/ext/filters/stateful_session/stateful_session_service_config_parser.h',
-                              'src/core/ext/gcp/metadata_query.h',
                              'src/core/ext/transport/binder/client/binder_connector.h',
                              'src/core/ext/transport/binder/client/channel_create_impl.h',
                              'src/core/ext/transport/binder/client/connection_id_generator.h',
@ -2578,6 +2577,7 @@ Pod::Spec.new do |s|
                              'src/core/tsi/transport_security_grpc.h',
                              'src/core/tsi/transport_security_interface.h',
                              'src/core/util/alloc.h',
+                              'src/core/util/gcp_metadata_query.h',
                              'src/core/util/http_client/format_request.h',
                              'src/core/util/http_client/httpcli.h',
                              'src/core/util/http_client/httpcli_ssl_credentials.h',
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@ -312,8 +312,6 @@ Pod::Spec.new do |s|
                      'src/core/ext/filters/stateful_session/stateful_session_filter.h',
                      'src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc',
                      'src/core/ext/filters/stateful_session/stateful_session_service_config_parser.h',
-                      'src/core/ext/gcp/metadata_query.cc',
-                      'src/core/ext/gcp/metadata_query.h',
                      'src/core/ext/transport/chttp2/alpn/alpn.cc',
                      'src/core/ext/transport/chttp2/alpn/alpn.h',
                      'src/core/ext/transport/chttp2/client/chttp2_connector.cc',
@ -2029,6 +2027,8 @@ Pod::Spec.new do |s|
                      'src/core/util/alloc.h',
                      'src/core/util/android/log.cc',
                      'src/core/util/atm.cc',
+                      'src/core/util/gcp_metadata_query.cc',
+                      'src/core/util/gcp_metadata_query.h',
                      'src/core/util/http_client/format_request.cc',
                      'src/core/util/http_client/format_request.h',
                      'src/core/util/http_client/httpcli.cc',
@ -2396,7 +2396,6 @@ Pod::Spec.new do |s|
                              'src/core/ext/filters/rbac/rbac_service_config_parser.h',
                              'src/core/ext/filters/stateful_session/stateful_session_filter.h',
                              'src/core/ext/filters/stateful_session/stateful_session_service_config_parser.h',
-                              'src/core/ext/gcp/metadata_query.h',
                              'src/core/ext/transport/chttp2/alpn/alpn.h',
                              'src/core/ext/transport/chttp2/client/chttp2_connector.h',
                              'src/core/ext/transport/chttp2/server/chttp2_server.h',
@ -3360,6 +3359,7 @@ Pod::Spec.new do |s|
                              'src/core/tsi/transport_security_grpc.h',
                              'src/core/tsi/transport_security_interface.h',
                              'src/core/util/alloc.h',
+                              'src/core/util/gcp_metadata_query.h',
                              'src/core/util/http_client/format_request.h',
                              'src/core/util/http_client/httpcli.h',
                              'src/core/util/http_client/httpcli_ssl_credentials.h',
--- a/grpc.gemspec
+++ b/grpc.gemspec
@ -199,8 +199,6 @@ Gem::Specification.new do |s|
  s.files += %w( src/core/ext/filters/stateful_session/stateful_session_filter.h )
  s.files += %w( src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc )
  s.files += %w( src/core/ext/filters/stateful_session/stateful_session_service_config_parser.h )
-  s.files += %w( src/core/ext/gcp/metadata_query.cc )
-  s.files += %w( src/core/ext/gcp/metadata_query.h )
  s.files += %w( src/core/ext/transport/chttp2/alpn/alpn.cc )
  s.files += %w( src/core/ext/transport/chttp2/alpn/alpn.h )
  s.files += %w( src/core/ext/transport/chttp2/client/chttp2_connector.cc )
@ -1916,6 +1914,8 @@ Gem::Specification.new do |s|
  s.files += %w( src/core/util/alloc.h )
  s.files += %w( src/core/util/android/log.cc )
  s.files += %w( src/core/util/atm.cc )
+  s.files += %w( src/core/util/gcp_metadata_query.cc )
+  s.files += %w( src/core/util/gcp_metadata_query.h )
  s.files += %w( src/core/util/http_client/format_request.cc )
  s.files += %w( src/core/util/http_client/format_request.h )
  s.files += %w( src/core/util/http_client/httpcli.cc )
--- a/grpc.gyp
+++ b/grpc.gyp
@ -312,7 +312,7 @@
        'src/core/ext/filters/server_config_selector/server_config_selector_filter.cc',
        'src/core/ext/filters/stateful_session/stateful_session_filter.cc',
        'src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc',
-        'src/core/ext/gcp/metadata_query.cc',
+        'src/core/util/gcp_metadata_query.cc',
        'src/core/ext/transport/chttp2/alpn/alpn.cc',
        'src/core/ext/transport/chttp2/client/chttp2_connector.cc',
        'src/core/ext/transport/chttp2/server/chttp2_server.cc',
--- a/package.xml
+++ b/package.xml
@ -181,8 +181,6 @@
    <file baseinstalldir="/" name="src/core/ext/filters/stateful_session/stateful_session_filter.h" role="src" />
    <file baseinstalldir="/" name="src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc" role="src" />
    <file baseinstalldir="/" name="src/core/ext/filters/stateful_session/stateful_session_service_config_parser.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/gcp/metadata_query.cc" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/gcp/metadata_query.h" role="src" />
    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/alpn/alpn.cc" role="src" />
    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/alpn/alpn.h" role="src" />
    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/client/chttp2_connector.cc" role="src" />
@ -1898,6 +1896,8 @@
    <file baseinstalldir="/" name="src/core/util/alloc.h" role="src" />
    <file baseinstalldir="/" name="src/core/util/android/log.cc" role="src" />
    <file baseinstalldir="/" name="src/core/util/atm.cc" role="src" />
+    <file baseinstalldir="/" name="src/core/util/gcp_metadata_query.cc" role="src" />
+    <file baseinstalldir="/" name="src/core/util/gcp_metadata_query.h" role="src" />
    <file baseinstalldir="/" name="src/core/util/http_client/format_request.cc" role="src" />
    <file baseinstalldir="/" name="src/core/util/http_client/format_request.h" role="src" />
    <file baseinstalldir="/" name="src/core/util/http_client/httpcli.cc" role="src" />
--- a/src/core/BUILD
+++ b/src/core/BUILD
@ -7199,10 +7199,10 @@ grpc_cc_library(
 grpc_cc_library(
    name = "gcp_metadata_query",
    srcs = [
-        "ext/gcp/metadata_query.cc",
+        "util/gcp_metadata_query.cc",
    ],
    hdrs = [
-        "ext/gcp/metadata_query.h",
+        "util/gcp_metadata_query.h",
    ],
    external_deps = [
        "absl/functional:any_invocable",
--- a/src/core/resolver/google_c2p/google_c2p_resolver.cc
+++ b/src/core/resolver/google_c2p/google_c2p_resolver.cc
@ -33,7 +33,6 @@
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>

-#include "src/core/ext/gcp/metadata_query.h"
 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/config/core_configuration.h"
 #include "src/core/lib/gprpp/debug_location.h"
@ -49,6 +48,7 @@
 #include "src/core/resolver/resolver.h"
 #include "src/core/resolver/resolver_factory.h"
 #include "src/core/resolver/resolver_registry.h"
+#include "src/core/util/gcp_metadata_query.h"
 #include "src/core/util/json/json.h"
 #include "src/core/util/json/json_writer.h"
 #include "src/core/xds/grpc/xds_client_grpc.h"
@ -82,10 +82,10 @@ class GoogleCloud2ProdResolver final : public Resolver {
  std::string metadata_server_name_ = "metadata.google.internal.";
  bool shutdown_ = false;

-  OrphanablePtr<MetadataQuery> zone_query_;
+  OrphanablePtr<GcpMetadataQuery> zone_query_;
  absl::optional<std::string> zone_;

-  OrphanablePtr<MetadataQuery> ipv6_query_;
+  OrphanablePtr<GcpMetadataQuery> ipv6_query_;
  absl::optional<bool> supports_ipv6_;
 };

@ -152,8 +152,8 @@ void GoogleCloud2ProdResolver::StartLocked() {
    return;
  }
  // Using xDS.  Start metadata server queries.
-  zone_query_ = MakeOrphanable<MetadataQuery>(
-      metadata_server_name_, std::string(MetadataQuery::kZoneAttribute),
+  zone_query_ = MakeOrphanable<GcpMetadataQuery>(
+      metadata_server_name_, std::string(GcpMetadataQuery::kZoneAttribute),
      &pollent_,
      [resolver = RefAsSubclass<GoogleCloud2ProdResolver>()](
          std::string /* attribute */,
@ -166,8 +166,8 @@ void GoogleCloud2ProdResolver::StartLocked() {
            DEBUG_LOCATION);
      },
      Duration::Seconds(10));
-  ipv6_query_ = MakeOrphanable<MetadataQuery>(
-      metadata_server_name_, std::string(MetadataQuery::kIPv6Attribute),
+  ipv6_query_ = MakeOrphanable<GcpMetadataQuery>(
+      metadata_server_name_, std::string(GcpMetadataQuery::kIPv6Attribute),
      &pollent_,
      [resolver = RefAsSubclass<GoogleCloud2ProdResolver>()](
          std::string /* attribute */,
--- a/src/core/util/gcp_metadata_query.cc
+++ b/src/core/util/gcp_metadata_query.cc
@ -16,7 +16,9 @@
 //
 //

-#include "src/core/ext/gcp/metadata_query.h"
+#include <grpc/support/port_platform.h>
+
+#include "src/core/util/gcp_metadata_query.h"

 #include <string.h>

@ -34,7 +36,6 @@
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/log.h>
-#include <grpc/support/port_platform.h>

 #include "src/core/lib/debug/trace.h"
 #include "src/core/lib/gprpp/ref_counted_ptr.h"
@ -47,29 +48,29 @@ namespace grpc_core {

 TraceFlag grpc_metadata_query_trace(false, "metadata_query");

-constexpr const char MetadataQuery::kZoneAttribute[];
-constexpr const char MetadataQuery::kClusterNameAttribute[];
-constexpr const char MetadataQuery::kRegionAttribute[];
-constexpr const char MetadataQuery::kInstanceIdAttribute[];
-constexpr const char MetadataQuery::kIPv6Attribute[];
+constexpr const char GcpMetadataQuery::kZoneAttribute[];
+constexpr const char GcpMetadataQuery::kClusterNameAttribute[];
+constexpr const char GcpMetadataQuery::kRegionAttribute[];
+constexpr const char GcpMetadataQuery::kInstanceIdAttribute[];
+constexpr const char GcpMetadataQuery::kIPv6Attribute[];

-MetadataQuery::MetadataQuery(
+GcpMetadataQuery::GcpMetadataQuery(
    std::string attribute, grpc_polling_entity* pollent,
    absl::AnyInvocable<void(std::string /* attribute */,
                            absl::StatusOr<std::string> /* result */)>
        callback,
    Duration timeout)
-    : MetadataQuery("metadata.google.internal.", std::move(attribute), pollent,
-                    std::move(callback), timeout) {}
+    : GcpMetadataQuery("metadata.google.internal.", std::move(attribute),
+                       pollent, std::move(callback), timeout) {}

-MetadataQuery::MetadataQuery(
+GcpMetadataQuery::GcpMetadataQuery(
    std::string metadata_server_name, std::string attribute,
    grpc_polling_entity* pollent,
    absl::AnyInvocable<void(std::string /* attribute */,
                            absl::StatusOr<std::string> /* result */)>
        callback,
    Duration timeout)
-    : InternallyRefCounted<MetadataQuery>(nullptr, 2),
+    : InternallyRefCounted<GcpMetadataQuery>(nullptr, 2),
      attribute_(std::move(attribute)),
      callback_(std::move(callback)) {
  GRPC_CLOSURE_INIT(&on_done_, OnDone, this, nullptr);
@ -90,15 +91,17 @@ MetadataQuery::MetadataQuery(
  http_request_->Start();
 }

-MetadataQuery::~MetadataQuery() { grpc_http_response_destroy(&response_); }
+GcpMetadataQuery::~GcpMetadataQuery() {
+  grpc_http_response_destroy(&response_);
+}

-void MetadataQuery::Orphan() {
+void GcpMetadataQuery::Orphan() {
  http_request_.reset();
  Unref();
 }

-void MetadataQuery::OnDone(void* arg, grpc_error_handle error) {
-  auto* self = static_cast<MetadataQuery*>(arg);
+void GcpMetadataQuery::OnDone(void* arg, grpc_error_handle error) {
+  auto* self = static_cast<GcpMetadataQuery*>(arg);
  if (GRPC_TRACE_FLAG_ENABLED(grpc_metadata_query_trace)) {
    gpr_log(GPR_INFO, "MetadataServer Query for %s: HTTP status: %d, error: %s",
            self->attribute_.c_str(), self->response_.status,
--- a/src/core/util/gcp_metadata_query.h
+++ b/src/core/util/gcp_metadata_query.h
@ -14,16 +14,16 @@
 // limitations under the License.
 //

-#ifndef GRPC_SRC_CORE_EXT_GCP_METADATA_QUERY_H
-#define GRPC_SRC_CORE_EXT_GCP_METADATA_QUERY_H
+#ifndef GRPC_SRC_CORE_UTIL_GCP_METADATA_QUERY_H
+#define GRPC_SRC_CORE_UTIL_GCP_METADATA_QUERY_H
+
+#include <grpc/support/port_platform.h>

 #include <string>

 #include "absl/functional/any_invocable.h"
 #include "absl/status/statusor.h"

-#include <grpc/support/port_platform.h>
-
 #include "src/core/lib/gprpp/orphanable.h"
 #include "src/core/lib/gprpp/time.h"
 #include "src/core/lib/iomgr/closure.h"
@ -36,7 +36,7 @@ namespace grpc_core {

 // Fetches the value of an attribute from the MetadataServer on a GCP
 // environment.
-class MetadataQuery : public InternallyRefCounted<MetadataQuery> {
+class GcpMetadataQuery : public InternallyRefCounted<GcpMetadataQuery> {
 public:
  static constexpr const char kZoneAttribute[] =
      "/computeMetadata/v1/instance/zone";
@ -49,7 +49,7 @@ class MetadataQuery : public InternallyRefCounted<MetadataQuery> {
  static constexpr const char kIPv6Attribute[] =
      "/computeMetadata/v1/instance/network-interfaces/0/ipv6s";

-  MetadataQuery(
+  GcpMetadataQuery(
      std::string attribute, grpc_polling_entity* pollent,
      absl::AnyInvocable<void(std::string /* attribute */,
                              absl::StatusOr<std::string> /* result */)>
@ -58,7 +58,7 @@ class MetadataQuery : public InternallyRefCounted<MetadataQuery> {

  // Alternative ctor allows overriding the metadata server address, mainly
  // to inject fakes in tests
-  MetadataQuery(
+  GcpMetadataQuery(
      std::string metadata_server_name, std::string attribute,
      grpc_polling_entity* pollent,
      absl::AnyInvocable<void(std::string /* attribute */,
@ -66,7 +66,7 @@ class MetadataQuery : public InternallyRefCounted<MetadataQuery> {
          callback,
      Duration timeout);

-  ~MetadataQuery() override;
+  ~GcpMetadataQuery() override;

  void Orphan() override;

@ -84,4 +84,4 @@ class MetadataQuery : public InternallyRefCounted<MetadataQuery> {

 }  // namespace grpc_core

-#endif  // GRPC_SRC_CORE_EXT_GCP_METADATA_QUERY_H
+#endif  // GRPC_SRC_CORE_UTIL_GCP_METADATA_QUERY_H
--- a/src/cpp/ext/gcp/environment_autodetect.cc
+++ b/src/cpp/ext/gcp/environment_autodetect.cc
@ -33,7 +33,6 @@
 #include <grpc/support/sync.h>
 #include <grpcpp/impl/grpc_library.h>

-#include "src/core/ext/gcp/metadata_query.h"
 #include "src/core/lib/debug/trace.h"
 #include "src/core/lib/event_engine/default_event_engine.h"
 #include "src/core/lib/gprpp/crash.h"
@ -49,6 +48,7 @@
 #include "src/core/lib/iomgr/polling_entity.h"
 #include "src/core/lib/iomgr/pollset.h"
 #include "src/core/lib/slice/slice.h"
+#include "src/core/util/gcp_metadata_query.h"

 namespace grpc {
 namespace internal {
@ -202,18 +202,18 @@ class EnvironmentAutoDetectHelper
      resource_.labels.emplace("namespace_name", GetNamespaceName());
      resource_.labels.emplace("pod_name", GetPodName());
      resource_.labels.emplace("container_name", GetContainerName());
-      attributes_to_fetch_.emplace(grpc_core::MetadataQuery::kZoneAttribute,
+      attributes_to_fetch_.emplace(grpc_core::GcpMetadataQuery::kZoneAttribute,
                                   "location");
      attributes_to_fetch_.emplace(
-          grpc_core::MetadataQuery::kClusterNameAttribute, "cluster_name");
+          grpc_core::GcpMetadataQuery::kClusterNameAttribute, "cluster_name");
    }
    // Cloud Functions
    else if (grpc_core::GetEnv("FUNCTION_NAME").has_value() ||
             grpc_core::GetEnv("FUNCTION_TARGET").has_value()) {
      resource_.resource_type = "cloud_function";
      resource_.labels.emplace("function_name", GetFunctionName());
-      attributes_to_fetch_.emplace(grpc_core::MetadataQuery::kRegionAttribute,
-                                   "region");
+      attributes_to_fetch_.emplace(
+          grpc_core::GcpMetadataQuery::kRegionAttribute, "region");
    }
    // Cloud Run
    else if (grpc_core::GetEnv("K_CONFIGURATION").has_value()) {
@ -221,15 +221,15 @@ class EnvironmentAutoDetectHelper
      resource_.labels.emplace("revision_name", GetRevisionName());
      resource_.labels.emplace("service_name", GetServiceName());
      resource_.labels.emplace("configuration_name", GetConfiguratioName());
-      attributes_to_fetch_.emplace(grpc_core::MetadataQuery::kRegionAttribute,
-                                   "location");
+      attributes_to_fetch_.emplace(
+          grpc_core::GcpMetadataQuery::kRegionAttribute, "location");
    }
    // App Engine
    else if (grpc_core::GetEnv("GAE_SERVICE").has_value()) {
      resource_.resource_type = "gae_app";
      resource_.labels.emplace("module_id", GetModuleId());
      resource_.labels.emplace("version_id", GetVersionId());
-      attributes_to_fetch_.emplace(grpc_core::MetadataQuery::kZoneAttribute,
+      attributes_to_fetch_.emplace(grpc_core::GcpMetadataQuery::kZoneAttribute,
                                   "zone");
    }
    // Assume GCE
@ -237,8 +237,8 @@ class EnvironmentAutoDetectHelper
      assuming_gce_ = true;
      resource_.resource_type = "gce_instance";
      attributes_to_fetch_.emplace(
-          grpc_core::MetadataQuery::kInstanceIdAttribute, "instance_id");
-      attributes_to_fetch_.emplace(grpc_core::MetadataQuery::kZoneAttribute,
+          grpc_core::GcpMetadataQuery::kInstanceIdAttribute, "instance_id");
+      attributes_to_fetch_.emplace(grpc_core::GcpMetadataQuery::kZoneAttribute,
                                   "zone");
    }
    FetchMetadataServerAttributesAsynchronouslyLocked();
@ -248,7 +248,7 @@ class EnvironmentAutoDetectHelper
      ABSL_EXCLUSIVE_LOCKS_REQUIRED(mu_) {
    CHECK(!attributes_to_fetch_.empty());
    for (auto& element : attributes_to_fetch_) {
-      queries_.push_back(grpc_core::MakeOrphanable<grpc_core::MetadataQuery>(
+      queries_.push_back(grpc_core::MakeOrphanable<grpc_core::GcpMetadataQuery>(
          element.first, &pollent_,
          [this](std::string attribute, absl::StatusOr<std::string> result) {
            if (GRPC_TRACE_FLAG_ENABLED(grpc_environment_autodetect_trace)) {
@ -317,7 +317,7 @@ class EnvironmentAutoDetectHelper
  absl::flat_hash_map<std::string /* metadata_server_attribute */,
                      std::string /* resource_attribute */>
      attributes_to_fetch_ ABSL_GUARDED_BY(mu_);
-  std::vector<grpc_core::OrphanablePtr<grpc_core::MetadataQuery>> queries_
+  std::vector<grpc_core::OrphanablePtr<grpc_core::GcpMetadataQuery>> queries_
      ABSL_GUARDED_BY(mu_);
  EnvironmentAutoDetect::ResourceType resource_ ABSL_GUARDED_BY(mu_);
  // This would be true if we are assuming the resource to be GCE. In this case,
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@ -52,7 +52,6 @@ CORE_SOURCE_FILES = [
    'src/core/ext/filters/rbac/rbac_service_config_parser.cc',
    'src/core/ext/filters/stateful_session/stateful_session_filter.cc',
    'src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc',
-    'src/core/ext/gcp/metadata_query.cc',
    'src/core/ext/transport/chttp2/alpn/alpn.cc',
    'src/core/ext/transport/chttp2/client/chttp2_connector.cc',
    'src/core/ext/transport/chttp2/server/chttp2_server.cc',
@ -805,6 +804,7 @@ CORE_SOURCE_FILES = [
    'src/core/util/alloc.cc',
    'src/core/util/android/log.cc',
    'src/core/util/atm.cc',
+    'src/core/util/gcp_metadata_query.cc',
    'src/core/util/http_client/format_request.cc',
    'src/core/util/http_client/httpcli.cc',
    'src/core/util/http_client/httpcli_security_connector.cc',
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@ -1160,8 +1160,6 @@ src/core/ext/filters/stateful_session/stateful_session_filter.cc \
 src/core/ext/filters/stateful_session/stateful_session_filter.h \
 src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc \
 src/core/ext/filters/stateful_session/stateful_session_service_config_parser.h \
-src/core/ext/gcp/metadata_query.cc \
-src/core/ext/gcp/metadata_query.h \
 src/core/ext/transport/binder/client/binder_connector.cc \
 src/core/ext/transport/binder/client/binder_connector.h \
 src/core/ext/transport/binder/client/channel_create.cc \
@ -2915,6 +2913,8 @@ src/core/util/alloc.cc \
 src/core/util/alloc.h \
 src/core/util/android/log.cc \
 src/core/util/atm.cc \
+src/core/util/gcp_metadata_query.cc \
+src/core/util/gcp_metadata_query.h \
 src/core/util/http_client/format_request.cc \
 src/core/util/http_client/format_request.h \
 src/core/util/http_client/httpcli.cc \
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@ -964,8 +964,6 @@ src/core/ext/filters/stateful_session/stateful_session_filter.cc \
 src/core/ext/filters/stateful_session/stateful_session_filter.h \
 src/core/ext/filters/stateful_session/stateful_session_service_config_parser.cc \
 src/core/ext/filters/stateful_session/stateful_session_service_config_parser.h \
-src/core/ext/gcp/metadata_query.cc \
-src/core/ext/gcp/metadata_query.h \
 src/core/ext/transport/README.md \
 src/core/ext/transport/binder/README.md \
 src/core/ext/transport/chttp2/README.md \
@ -2697,6 +2695,8 @@ src/core/util/alloc.cc \
 src/core/util/alloc.h \
 src/core/util/android/log.cc \
 src/core/util/atm.cc \
+src/core/util/gcp_metadata_query.cc \
+src/core/util/gcp_metadata_query.h \
 src/core/util/http_client/format_request.cc \
 src/core/util/http_client/format_request.h \
 src/core/util/http_client/httpcli.cc \