Merging upstream version 1.44.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 80 insertions, 0 deletions

diff --git a/fluent-bit/plugins/out_opentelemetry/opentelemetry.h b/fluent-bit/plugins/out_opentelemetry/opentelemetry.h
new file mode 100644
index 00000000..94e424ac
--- /dev/null
+++ b/fluent-bit/plugins/out_opentelemetry/opentelemetry.h
@@ -0,0 +1,80 @@
+/* -*- 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 FLB_OUT_OPENTELEMETRY_H
+#define FLB_OUT_OPENTELEMETRY_H
+
+#include <fluent-bit/flb_output_plugin.h>
+
+#define FLB_OPENTELEMETRY_CONTENT_TYPE_HEADER_NAME "Content-Type"
+#define FLB_OPENTELEMETRY_MIME_PROTOBUF_LITERAL    "application/x-protobuf"
+
+/*
+ * This lets you send log records in batches instead of a request per log record
+ * It might be removed in furthur versions since if we have a large number of
+ * log records, and a later batch fails, Fluent Bit will retry ALL the batches,
+ * including the ones that succeeded. This is not ideal.
+ */
+#define DEFAULT_LOG_RECORD_BATCH_SIZE "1000"
+
+/* Plugin context */
+struct opentelemetry_context {
+    /* HTTP Auth */
+    char *http_user;
+    char *http_passwd;
+
+    /* Proxy */
+    const char *proxy;
+    char *proxy_host;
+    int proxy_port;
+
+    /* HTTP URI */
+    char *traces_uri;
+    char *metrics_uri;
+    char *logs_uri;
+    char *host;
+    int port;
+
+    /* Number of logs to flush at a time */
+    int batch_size;
+
+    /* Log the response paylod */
+    int log_response_payload;
+
+    /* config reader for 'add_label' */
+    struct mk_list *add_labels;
+
+    /* internal labels ready to append */
+    struct mk_list kv_labels;
+
+    /* Upstream connection to the backend server */
+    struct flb_upstream *u;
+
+    /* Arbitrary HTTP headers */
+    struct mk_list *headers;
+
+
+    /* instance context */
+    struct flb_output_instance *ins;
+
+    /* Compression mode (gzip) */
+    int compress_gzip;
+};
+
+#endif