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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 02:57:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 02:57:58 +0000 |
commit | be1c7e50e1e8809ea56f2c9d472eccd8ffd73a97 (patch) | |
tree | 9754ff1ca740f6346cf8483ec915d4054bc5da2d /fluent-bit/plugins/out_td/td.c | |
parent | Initial commit. (diff) | |
download | netdata-upstream.tar.xz netdata-upstream.zip |
Adding upstream version 1.44.3.upstream/1.44.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fluent-bit/plugins/out_td/td.c')
-rw-r--r-- | fluent-bit/plugins/out_td/td.c | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/fluent-bit/plugins/out_td/td.c b/fluent-bit/plugins/out_td/td.c new file mode 100644 index 00000000..7836c384 --- /dev/null +++ b/fluent-bit/plugins/out_td/td.c @@ -0,0 +1,271 @@ +/* -*- 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. + */ + +#include <fluent-bit/flb_output_plugin.h> +#include <fluent-bit/flb_network.h> +#include <fluent-bit/flb_pack.h> +#include <fluent-bit/flb_http_client.h> +#include <fluent-bit/flb_time.h> +#include <fluent-bit/flb_log_event_decoder.h> +#include <msgpack.h> + +#include "td.h" +#include "td_http.h" +#include "td_config.h" + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> +#include <errno.h> + +/* + * Convert the internal Fluent Bit data representation to the required + * one by Treasure Data cloud service. + * + * This function returns a new msgpack buffer and store the bytes length + * in the out_size variable. + */ +static char *td_format(struct flb_td *ctx, const void *data, size_t bytes, int *out_size) +{ + int i; + int ret; + int n_size; + time_t atime; + char *buf; + struct msgpack_sbuffer mp_sbuf; + struct msgpack_packer mp_pck; + msgpack_object map; + msgpack_sbuffer *sbuf; + struct flb_log_event_decoder log_decoder; + struct flb_log_event log_event; + + /* Initialize contexts for new output */ + msgpack_sbuffer_init(&mp_sbuf); + msgpack_packer_init(&mp_pck, &mp_sbuf, msgpack_sbuffer_write); + + ret = flb_log_event_decoder_init(&log_decoder, (char *) data, bytes); + + if (ret != FLB_EVENT_DECODER_SUCCESS) { + flb_plg_error(ctx->ins, + "Log event decoder initialization error : %d", ret); + + return NULL; + } + + while ((ret = flb_log_event_decoder_next( + &log_decoder, + &log_event)) == FLB_EVENT_DECODER_SUCCESS) { + atime = log_event.timestamp.tm.tv_sec; + map = *log_event.body; + + n_size = map.via.map.size + 1; + msgpack_pack_map(&mp_pck, n_size); + msgpack_pack_str(&mp_pck, 4); + msgpack_pack_str_body(&mp_pck, "time", 4); + msgpack_pack_int32(&mp_pck, atime); + + for (i = 0; i < n_size - 1; i++) { + msgpack_pack_object(&mp_pck, map.via.map.ptr[i].key); + msgpack_pack_object(&mp_pck, map.via.map.ptr[i].val); + } + } + + flb_log_event_decoder_destroy(&log_decoder); + + /* Create new buffer */ + sbuf = &mp_sbuf; + *out_size = sbuf->size; + buf = flb_malloc(sbuf->size); + if (!buf) { + flb_errno(); + return NULL; + } + + /* set a new buffer and re-initialize our MessagePack context */ + memcpy(buf, sbuf->data, sbuf->size); + msgpack_sbuffer_destroy(&mp_sbuf); + + return buf; +} + +static int cb_td_init(struct flb_output_instance *ins, struct flb_config *config, + void *data) +{ + struct flb_td *ctx; + struct flb_upstream *upstream; + (void) data; + + ctx = td_config_init(ins); + if (!ctx) { + flb_plg_warn(ins, "Error reading configuration"); + return -1; + } + + if (ctx->region == FLB_TD_REGION_US) { + flb_output_net_default("api.treasuredata.com", 443, ins); + } + else if (ctx->region == FLB_TD_REGION_JP) { + flb_output_net_default("api.treasuredata.co.jp", 443, ins); + } + + upstream = flb_upstream_create(config, + ins->host.name, + ins->host.port, + FLB_IO_TLS, ins->tls); + if (!upstream) { + flb_free(ctx); + return -1; + } + ctx->u = upstream; + flb_output_upstream_set(ctx->u, ins); + + flb_output_set_context(ins, ctx); + return 0; +} + +static void cb_td_flush(struct flb_event_chunk *event_chunk, + struct flb_output_flush *out_flush, + struct flb_input_instance *i_ins, + void *out_context, + struct flb_config *config) +{ + int ret; + int bytes_out; + char *pack; + size_t b_sent; + char *body = NULL; + struct flb_td *ctx = out_context; + struct flb_connection *u_conn; + struct flb_http_client *c; + (void) i_ins; + + /* Convert format */ + pack = td_format(ctx, event_chunk->data, event_chunk->size, &bytes_out); + if (!pack) { + FLB_OUTPUT_RETURN(FLB_ERROR); + } + + /* Lookup an available connection context */ + u_conn = flb_upstream_conn_get(ctx->u); + if (!u_conn) { + flb_plg_error(ctx->ins, "no upstream connections available"); + flb_free(pack); + FLB_OUTPUT_RETURN(FLB_RETRY); + } + + /* Compose request */ + c = td_http_client(u_conn, pack, bytes_out, &body, ctx, config); + if (!c) { + flb_free(pack); + flb_upstream_conn_release(u_conn); + FLB_OUTPUT_RETURN(FLB_RETRY); + } + + /* Issue HTTP request */ + ret = flb_http_do(c, &b_sent); + + /* Release Resources */ + flb_free(pack); + flb_free(body); + + /* Validate HTTP status */ + if (ret == 0) { + /* We expect a HTTP 200 OK */ + if (c->resp.status != 200) { + if (c->resp.payload_size > 0) { + flb_plg_warn(ctx->ins, "HTTP status %i\n%s", + c->resp.status, c->resp.payload); + } + else { + flb_plg_warn(ctx->ins, "HTTP status %i", c->resp.status); + } + goto retry; + } + else { + flb_plg_info(ctx->ins, "HTTP status 200 OK"); + } + } + else { + flb_plg_error(ctx->ins, "http_do=%i", ret); + goto retry; + } + + /* release */ + flb_upstream_conn_release(u_conn); + flb_http_client_destroy(c); + + FLB_OUTPUT_RETURN(FLB_OK); + + retry: + flb_upstream_conn_release(u_conn); + flb_http_client_destroy(c); + + FLB_OUTPUT_RETURN(FLB_RETRY); +} + +static int cb_td_exit(void *data, struct flb_config *config) +{ + struct flb_td *ctx = data; + + if (!ctx) { + return 0; + } + + flb_upstream_destroy(ctx->u); + flb_free(ctx); + + return 0; +} + +static struct flb_config_map config_map[] = { + { + FLB_CONFIG_MAP_STR, "API", (char *)NULL, + 0, FLB_TRUE, offsetof(struct flb_td, api), + "Set the API key" + }, + { + FLB_CONFIG_MAP_STR, "Database", (char *)NULL, + 0, FLB_TRUE, offsetof(struct flb_td, db_name), + "Set the Database file" + }, + { + FLB_CONFIG_MAP_STR, "Table", (char *)NULL, + 0, FLB_TRUE, offsetof(struct flb_td, db_table), + "Set the Database Table" + }, + { + FLB_CONFIG_MAP_STR, "Region", (char *)NULL, + 0, FLB_TRUE, offsetof(struct flb_td, region_str), + "Set the Region: us or jp" + }, + /* EOF */ + {0} +}; + +/* Plugin reference */ +struct flb_output_plugin out_td_plugin = { + .name = "td", + .description = "Treasure Data", + .cb_init = cb_td_init, + .cb_pre_run = NULL, + .cb_flush = cb_td_flush, + .cb_exit = cb_td_exit, + .config_map = config_map, + .flags = FLB_IO_TLS, +}; |