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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2019-2020 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.h>
#include <fluent-bit/flb_pack.h>
#include <fluent-bit/flb_record_accessor.h>
#include <fluent-bit/flb_ra_key.h>
#include "flb_tests_runtime.h"
/* JSON payload example */
#include "data/datadog/json.h"
/*
* Fluent Bit Datadog plugin, always set as payload a JSON strings contained in a
* 'sds'. Since we want to validate specific keys and it values we expose here some
* helper functions to make testing easier.
*
* The approach is:
*
* - Convert formatter JSON to msgpack
* - use the helper function to check keys and values
*
* it returns FLB_TRUE if expected 'key/val' matches or FLB_FALSE if 'key' no exists
* or if there is a mismatch.
*/
static int mp_kv_cmp(char *json_data, size_t json_len, char *key_accessor, char *val)
{
int ret;
int type;
char *mp_buf = NULL;
size_t mp_size;
size_t off = 0;
msgpack_object map;
msgpack_unpacked result;
struct flb_ra_value *rval = NULL;
struct flb_record_accessor *ra = NULL;
/* Convert JSON to msgpack */
ret = flb_pack_json((const char *) json_data, json_len, &mp_buf, &mp_size,
&type, NULL);
TEST_CHECK(ret != -1);
/* Set return status */
ret = FLB_FALSE;
/* Unpack msgpack and reference the main 'map' */
msgpack_unpacked_init(&result);
ret = msgpack_unpack_next(&result, mp_buf, mp_size, &off);
TEST_CHECK(ret == MSGPACK_UNPACK_SUCCESS);
map = result.data;
/* Create a record_accessor context */
ra = flb_ra_create(key_accessor, FLB_TRUE);
if (!ra) {
flb_error("invalid record accessor key, aborting test");
goto out;
}
rval = flb_ra_get_value_object(ra, map);
TEST_CHECK(rval != NULL);
msgpack_unpacked_destroy(&result);
if (!rval) {
goto out;
}
/* We only validate strings, feel free to expand it as needed */
TEST_CHECK(rval->type == FLB_RA_STRING);
if (strcmp(rval->val.string, val) == 0) {
ret = FLB_TRUE;
}
out:
if (rval) {
flb_ra_key_value_destroy(rval);
}
if (ra) {
flb_ra_destroy(ra);
}
if (mp_buf) {
flb_free(mp_buf);
}
return ret;
}
static void cb_check_dd_properties(void *ctx, int ffd,
int res_ret, void *res_data, size_t res_size,
void *data)
{
int ret;
/* source */
ret = mp_kv_cmp((char *) res_data + 1, res_size - 2, "$ddsource", "my-app");
TEST_CHECK(ret == FLB_TRUE);
/* service */
ret = mp_kv_cmp((char *) res_data + 1, res_size - 2, "$service", "my-app-service");
TEST_CHECK(ret == FLB_TRUE);
/* ddtags */
ret = mp_kv_cmp((char *) res_data + 1, res_size - 2, "$ddtags", "project:dev");
TEST_CHECK(ret == FLB_TRUE);
flb_sds_destroy(res_data);
}
void flb_test_dd_properties()
{
int ret;
flb_ctx_t *ctx;
int in_ffd;
int out_ffd;
/* Create context, flush every second (some checks omitted here) */
ctx = flb_create();
flb_service_set(ctx, "flush", "1", "grace", "1", NULL);
/* Lib input mode */
in_ffd = flb_input(ctx, (char *) "lib", NULL);
flb_input_set(ctx, in_ffd, "tag", "test", NULL);
/* Datadog output */
out_ffd = flb_output(ctx, (char *) "datadog", NULL);
flb_output_set(ctx, out_ffd,
"match", "test",
"provider", "ecs",
"dd_service", "my-app-service",
"dd_source", "my-app",
"dd_tags", "project:dev",
"apikey", "abc",
NULL);
/* Enable test mode */
ret = flb_output_set_test(ctx, out_ffd, "formatter",
cb_check_dd_properties,
NULL, NULL);
/* Start */
ret = flb_start(ctx);
TEST_CHECK(ret == 0);
sleep(1);
/* Ingest data sample */
flb_lib_push(ctx, in_ffd, (char *) JSON, sizeof(JSON) - 1);
sleep(2);
flb_stop(ctx);
flb_destroy(ctx);
}
/* Test list */
TEST_LIST = {
{ "dd_properties", flb_test_dd_properties },
{ NULL, NULL}
};
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