1 files changed, 48 insertions, 0 deletions
diff --git a/fluent-bit/plugins/out_stackdriver/gce_metadata.h b/fluent-bit/plugins/out_stackdriver/gce_metadata.h
new file mode 100644
index 000000000..65009588d
--- /dev/null
+++ b/fluent-bit/plugins/out_stackdriver/gce_metadata.h
@@ -0,0 +1,48 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2015-2022 The Fluent Bit Authors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef FLUENT_BIT_GCE_METADATA_H
+#define FLUENT_BIT_GCE_METADATA_H
+
+#include "stackdriver.h"
+
+/* Metadata server URL */
+#define FLB_STD_METADATA_SERVER "http://metadata.google.internal"
+
+/* Project ID metadata URI */
+#define FLB_STD_METADATA_PROJECT_ID_URI "/computeMetadata/v1/project/project-id"
+
+/* Zone metadata URI */
+#define FLB_STD_METADATA_ZONE_URI "/computeMetadata/v1/instance/zone"
+
+/* Instance ID metadata URI */
+#define FLB_STD_METADATA_INSTANCE_ID_URI "/computeMetadata/v1/instance/id"
+
+/* Service account metadata URI */
+#define FLB_STD_METADATA_SERVICE_ACCOUNT_URI "/computeMetadata/v1/instance/service-accounts/"
+
+/* Max size of token response from metadata server */
+#define FLB_STD_METADATA_TOKEN_SIZE_MAX 14336
+
+int gce_metadata_read_token(struct flb_stackdriver *ctx);
+int gce_metadata_read_zone(struct flb_stackdriver *ctx);
+int gce_metadata_read_project_id(struct flb_stackdriver *ctx);
+int gce_metadata_read_instance_id(struct flb_stackdriver *ctx);
+
+#endif //FLUENT_BIT_GCE_METADATA_H