summaryrefslogtreecommitdiffstats
path: root/src/fluent-bit/plugins/out_slack/slack.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/fluent-bit/plugins/out_slack/slack.c')
-rw-r--r--src/fluent-bit/plugins/out_slack/slack.c336
1 files changed, 0 insertions, 336 deletions
diff --git a/src/fluent-bit/plugins/out_slack/slack.c b/src/fluent-bit/plugins/out_slack/slack.c
deleted file mode 100644
index f014228e9..000000000
--- a/src/fluent-bit/plugins/out_slack/slack.c
+++ /dev/null
@@ -1,336 +0,0 @@
-/* -*- 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_pack.h>
-#include <fluent-bit/flb_utils.h>
-#include <fluent-bit/flb_http_client.h>
-#include <fluent-bit/flb_log_event_decoder.h>
-
-#include "slack.h"
-
-#define FLB_HTTP_CONTENT_TYPE "Content-Type"
-#define FLB_HTTP_MIME_JSON "application/json"
-
-static int cb_slack_init(struct flb_output_instance *ins,
- struct flb_config *config, void *data)
-{
- int ret;
- char *protocol = NULL;
- char *host = NULL;
- char *port = NULL;
- char *uri = NULL;
- struct flb_slack *ctx;
- (void) config;
- (void) data;
-
- /* Allocate context */
- ctx = flb_calloc(1, sizeof(struct flb_slack));
- if (!ctx) {
- flb_errno();
- return -1;
- }
- ctx->ins = ins;
-
- /* Set the plugin context */
- flb_output_set_context(ins, ctx);
-
- /* Create config map and validate expected parameters */
- ret = flb_output_config_map_set(ins, (void *) ctx);
- if (ret == -1) {
- flb_free(ctx);
- return -1;
- }
-
- /* Validate if the slack webhook is defined */
- if (!ctx->webhook) {
- flb_plg_error(ctx->ins, "the 'webhook' address has not been defined");
- return -1;
- }
-
- /* Split the address */
- ret = flb_utils_url_split(ctx->webhook, &protocol, &host, &port, &uri);
- if (ret == -1) {
- flb_plg_error(ctx->ins, "could not process 'webhook' address");
- return -1;
- }
-
- if (strcasecmp(protocol, "https") != 0) {
- flb_plg_error(ctx->ins, "invalid protocol '%s', we expected 'https'",
- protocol);
- goto error;
- }
-
- if (!host) {
- flb_plg_error(ctx->ins, "invalid slack host");
- goto error;
- }
-
- if (!uri) {
- flb_plg_error(ctx->ins, "slack webhook uri has not been defined");
- goto error;
- }
-
- ctx->host = flb_sds_create(host);
- ctx->uri = flb_sds_create(uri);
-
- if (port) {
- ctx->port = atoi(port);
- }
- else {
- ctx->port = 443;
- }
-
- /* Create upstream context */
- ctx->u = flb_upstream_create(config,
- ctx->host,
- ctx->port,
- FLB_IO_TLS, ins->tls);
- if (!ctx->u) {
- flb_plg_error(ctx->ins, "error creating upstream context");
- goto error;
- }
-
- /* Set instance flags into upstream */
- flb_output_upstream_set(ctx->u, ins);
-
- /* Cleanup */
- if (protocol) {
- flb_free(protocol);
- }
- if (host) {
- flb_free(host);
- }
- if (port) {
- flb_free(port);
- }
- if (uri) {
- flb_free(uri);
- }
-
- return 0;
-
-error:
- if (protocol) {
- flb_free(protocol);
- }
- if (host) {
- flb_free(host);
- }
- if (port) {
- flb_free(port);
- }
- if (uri) {
- flb_free(uri);
- }
-
- return -1;
-}
-
-static void cb_slack_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 len;
- int ret;
- int out_ret = FLB_OK;
- size_t size;
- size_t printed = 0;
- size_t b_sent;
- flb_sds_t json;
- flb_sds_t out_buf;
- msgpack_sbuffer mp_sbuf;
- msgpack_packer mp_pck;
- struct flb_http_client *c;
- struct flb_connection *u_conn;
- struct flb_slack *ctx = out_context;
- struct flb_log_event_decoder log_decoder;
- struct flb_log_event log_event;
-
- size = event_chunk->size * 4;
- json = flb_sds_create_size(size);
- if (!json) {
- FLB_OUTPUT_RETURN(FLB_RETRY);
- }
- memset(json, '\0', size);
-
- ret = flb_log_event_decoder_init(&log_decoder,
- (char *) event_chunk->data,
- event_chunk->size);
-
- if (ret != FLB_EVENT_DECODER_SUCCESS) {
- flb_plg_error(ctx->ins,
- "Log event decoder initialization error : %d", ret);
-
- flb_sds_destroy(json);
-
- FLB_OUTPUT_RETURN(FLB_RETRY);
- }
-
- while ((ret = flb_log_event_decoder_next(
- &log_decoder,
- &log_event)) == FLB_EVENT_DECODER_SUCCESS) {
-
- ret = snprintf(json + printed, size - printed,
- "[\"timestamp\": %" PRIu32 ".%09lu, ",
- (uint32_t) log_event.timestamp.tm.tv_sec,
- log_event.timestamp.tm.tv_nsec);
- printed += ret;
-
- ret = msgpack_object_print_buffer(json + printed,
- size - printed,
- *log_event.body);
- if (ret < 0) {
- flb_plg_error(ctx->ins, "error formatting payload");
- flb_sds_destroy(json);
- flb_log_event_decoder_destroy(&log_decoder);
-
- FLB_OUTPUT_RETURN(FLB_RETRY);
- }
-
- /* the previous call returns the remaining available space in the buffer */
- printed += ret;
- json[printed++] = ']';
- json[printed++] = '\n';
- }
-
- flb_log_event_decoder_destroy(&log_decoder);
-
- /* Take formatted message and convert it to msgpack */
- msgpack_sbuffer_init(&mp_sbuf);
- msgpack_packer_init(&mp_pck, &mp_sbuf, msgpack_sbuffer_write);
-
- len = strlen(json);
-
- msgpack_pack_map(&mp_pck, 1);
- msgpack_pack_str(&mp_pck, 4);
- msgpack_pack_str_body(&mp_pck, "text", 4);
- msgpack_pack_str(&mp_pck, len);
- msgpack_pack_str_body(&mp_pck, json, len);
-
- /* Release buffer */
- flb_sds_destroy(json);
-
- /* Re-format mspgack as JSON */
- out_buf = flb_msgpack_raw_to_json_sds(mp_sbuf.data, mp_sbuf.size);
- if (!out_buf) {
- msgpack_sbuffer_destroy(&mp_sbuf);
- FLB_OUTPUT_RETURN(FLB_RETRY);
- }
- msgpack_sbuffer_destroy(&mp_sbuf);
-
- /* Create upstream connection */
- u_conn = flb_upstream_conn_get(ctx->u);
- if (!u_conn) {
- flb_sds_destroy(out_buf);
- FLB_OUTPUT_RETURN(FLB_RETRY);
- }
-
- /* Create HTTP client context */
- c = flb_http_client(u_conn, FLB_HTTP_POST, ctx->uri,
- out_buf, flb_sds_len(out_buf),
- ctx->host, ctx->port,
- NULL, 0);
- flb_http_add_header(c,
- FLB_HTTP_CONTENT_TYPE,
- sizeof(FLB_HTTP_CONTENT_TYPE) - 1,
- FLB_HTTP_MIME_JSON,
- sizeof(FLB_HTTP_MIME_JSON) - 1);
- flb_http_add_header(c, "User-Agent", 10, "Fluent-Bit", 10);
-
- ret = flb_http_do(c, &b_sent);
- if (ret == 0) {
- if (c->resp.status < 200 || c->resp.status > 205) {
- flb_plg_error(ctx->ins, "%s:%i, HTTP status=%i",
- ctx->host, ctx->port, c->resp.status);
- out_ret = FLB_RETRY;
- }
- else {
- if (c->resp.payload) {
- flb_plg_info(ctx->ins, "%s:%i, HTTP status=%i\n%s",
- ctx->host, ctx->port,
- c->resp.status, c->resp.payload);
- }
- else {
- flb_plg_info(ctx->ins, "%s:%i, HTTP status=%i",
- ctx->host, ctx->port,
- c->resp.status);
- }
- }
- }
- else {
- flb_plg_error(ctx->ins, "could not flush records to %s:%i (http_do=%i)",
- ctx->host, ctx->port, ret);
- out_ret = FLB_RETRY;
- }
-
- flb_upstream_conn_release(u_conn);
- flb_http_client_destroy(c);
- flb_sds_destroy(out_buf);
- FLB_OUTPUT_RETURN(out_ret);
-}
-
-static int cb_slack_exit(void *data, struct flb_config *config)
-{
- struct flb_slack *ctx;
-
- ctx = (struct flb_slack *) data;
- if (!ctx) {
- return 0;
- }
-
- if (ctx->host) {
- flb_sds_destroy(ctx->host);
- }
- if (ctx->uri) {
- flb_sds_destroy(ctx->uri);
- }
-
- if (ctx->u) {
- flb_upstream_destroy(ctx->u);
- }
-
- flb_free(ctx);
-
- return 0;
-}
-
-/* Configuration properties map */
-static struct flb_config_map config_map[] = {
- {
- FLB_CONFIG_MAP_STR, "webhook", NULL,
- 0, FLB_TRUE, offsetof(struct flb_slack, webhook),
- NULL
- },
-
- /* EOF */
- {0}
-};
-
-struct flb_output_plugin out_slack_plugin = {
- .name = "slack",
- .description = "Send events to a Slack channel",
- .cb_init = cb_slack_init,
- .cb_flush = cb_slack_flush,
- .cb_exit = cb_slack_exit,
- .flags = FLB_OUTPUT_NET | FLB_IO_TLS,
- .config_map = config_map
-};