1 files changed, 155 insertions, 0 deletions
diff --git a/fluent-bit/plugins/out_opensearch/opensearch.h b/fluent-bit/plugins/out_opensearch/opensearch.h
new file mode 100644
index 000000000..a1087c1da
--- /dev/null
+++ b/fluent-bit/plugins/out_opensearch/opensearch.h
@@ -0,0 +1,155 @@
+/* -*- 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_OPENSEARCH_H
+#define FLB_OUT_OPENSEARCH_H
+
+/* config defaults */
+#define FLB_OS_DEFAULT_HOST       "127.0.0.1"
+#define FLB_OS_DEFAULT_PORT       92000
+#define FLB_OS_DEFAULT_INDEX      "fluent-bit"
+#define FLB_OS_DEFAULT_TYPE       "_doc"
+#define FLB_OS_DEFAULT_PREFIX     "logstash"
+#define FLB_OS_DEFAULT_TIME_FMT   "%Y.%m.%d"
+#define FLB_OS_DEFAULT_TIME_KEY   "@timestamp"
+#define FLB_OS_DEFAULT_TIME_KEYF  "%Y-%m-%dT%H:%M:%S"
+#define FLB_OS_DEFAULT_TAG_KEY    "flb-key"
+#define FLB_OS_DEFAULT_HTTP_MAX   "512k"
+#define FLB_OS_WRITE_OP_INDEX     "index"
+#define FLB_OS_WRITE_OP_CREATE    "create"
+#define FLB_OS_WRITE_OP_UPDATE    "update"
+#define FLB_OS_WRITE_OP_UPSERT    "upsert"
+
+/* macros */
+#define FLB_OS_HEADER_SIZE        1024
+#define OS_BULK_CHUNK      4096  /* Size of buffer chunks    */
+#define OS_BULK_HEADER      165  /* Bulk API prefix line  */
+
+/* Bulk formats */
+#define OS_BULK_INDEX_FMT            "{\"%s\":{\"_index\":\"%s\",\"_type\":\"%s\"}}\n"
+#define OS_BULK_INDEX_FMT_ID         "{\"%s\":{\"_index\":\"%s\",\"_type\":\"%s\",\"_id\":\"%s\"}}\n"
+#define OS_BULK_INDEX_FMT_NO_TYPE    "{\"%s\":{\"_index\":\"%s\"}}\n"
+#define OS_BULK_INDEX_FMT_ID_NO_TYPE "{\"%s\":{\"_index\":\"%s\",\"_id\":\"%s\"}}\n"
+
+/* Bulk write-type operations */
+#define OS_BULK_UPDATE_OP_BODY       "{\"doc\":"
+#define OS_BULK_UPSERT_OP_BODY       "{\"doc_as_upsert\":true,\"doc\":"
+
+/* Supported compression algorithms */
+#define FLB_OS_COMPRESSION_NONE 0
+#define FLB_OS_COMPRESSION_GZIP 1
+
+struct flb_opensearch {
+    /* OpenSearch index (database) and type (table) */
+    flb_sds_t index;
+    struct flb_record_accessor *ra_index;
+
+    char *type;
+    char suppress_type_name;
+
+    /* HTTP Auth */
+    char *http_user;
+    char *http_passwd;
+
+    /* AWS Auth */
+#ifdef FLB_HAVE_AWS
+    int has_aws_auth;
+    char *aws_region;
+    char *aws_sts_endpoint;
+    char *aws_profile;
+    struct flb_aws_provider *aws_provider;
+    struct flb_aws_provider *base_aws_provider;
+    /* tls instances can't be re-used; aws provider requires a separate one */
+    struct flb_tls *aws_tls;
+    /* one for the standard chain provider, one for sts assume role */
+    struct flb_tls *aws_sts_tls;
+    char *aws_session_name;
+    char *aws_service_name;
+    struct mk_list *aws_unsigned_headers;
+#endif
+
+    /* HTTP Client Setup */
+    size_t buffer_size;
+
+    /* If enabled, replace field name dots with underscore */
+    int replace_dots;
+
+    int trace_output;
+    int trace_error;
+
+    /*
+     * Logstash compatibility options
+     * ==============================
+     */
+
+    /* enabled/disabled */
+    int logstash_format;
+    int generate_id;
+    int current_time_index;
+
+    /* prefix */
+    flb_sds_t logstash_prefix;
+    flb_sds_t logstash_prefix_separator;
+
+    /* prefix key */
+    flb_sds_t logstash_prefix_key;
+
+    /* date format */
+    flb_sds_t logstash_dateformat;
+
+    /* time key */
+    flb_sds_t time_key;
+
+    /* time key format */
+    flb_sds_t time_key_format;
+
+    /* time key nanoseconds */
+    int time_key_nanos;
+
+    /* write operation config value */
+    flb_sds_t write_operation;
+
+    /* write operation / action */
+    char *action;
+
+    /* id_key */
+    flb_sds_t id_key;
+    struct flb_record_accessor *ra_id_key;
+
+    /* include_tag_key */
+    int include_tag_key;
+    flb_sds_t tag_key;
+
+    /* HTTP API */
+    char uri[1024];
+
+    struct flb_record_accessor *ra_prefix_key;
+
+    /* Upstream connection to the backend server */
+    struct flb_upstream *u;
+
+    /* Plugin output instance reference */
+    struct flb_output_instance *ins;
+
+    /* Compression algorithm */
+    int compression;
+    flb_sds_t compression_str;
+};
+
+#endif