diff options
Diffstat (limited to 'fluent-bit/tests/runtime/in_fluentbit_metrics.c')
| -rw-r--r-- | fluent-bit/tests/runtime/in_fluentbit_metrics.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/fluent-bit/tests/runtime/in_fluentbit_metrics.c b/fluent-bit/tests/runtime/in_fluentbit_metrics.c new file mode 100644 index 00000000..cb82ec2d --- /dev/null +++ b/fluent-bit/tests/runtime/in_fluentbit_metrics.c @@ -0,0 +1,226 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ + +/* Fluent Bit + * ========== + * Copyright (C) 2019-2022 The Fluent Bit Authors + * Copyright (C) 2015-2018 Treasure Data Inc. + * + * 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_compat.h> +#include <fluent-bit/flb_time.h> +#include <float.h> +#include "flb_tests_runtime.h" + +struct test_ctx { + flb_ctx_t *flb; /* Fluent Bit library context */ + int i_ffd; /* Input fd */ + int f_ffd; /* Filter fd (unused) */ + int o_ffd; /* Output fd */ +}; + + +pthread_mutex_t result_mutex = PTHREAD_MUTEX_INITIALIZER; +int num_output = 0; +static int get_output_num() +{ + int ret; + pthread_mutex_lock(&result_mutex); + ret = num_output; + pthread_mutex_unlock(&result_mutex); + + return ret; +} + +static void set_output_num(int num) +{ + pthread_mutex_lock(&result_mutex); + num_output = num; + pthread_mutex_unlock(&result_mutex); +} + +static void clear_output_num() +{ + set_output_num(0); +} + +struct str_list { + size_t size; + char **lists; +}; + +void wait_with_timeout(uint32_t timeout_ms, int *output_num) +{ + struct flb_time start_time; + struct flb_time end_time; + struct flb_time diff_time; + uint64_t elapsed_time_flb = 0; + + flb_time_get(&start_time); + + while (true) { + *output_num = get_output_num(); + + if (*output_num > 0) { + break; + } + + flb_time_msleep(100); + flb_time_get(&end_time); + flb_time_diff(&end_time, &start_time, &diff_time); + elapsed_time_flb = flb_time_to_nanosec(&diff_time) / 1000000; + + if (elapsed_time_flb > timeout_ms) { + flb_warn("[timeout] elapsed_time: %ld", elapsed_time_flb); + // Reached timeout. + break; + } + } +} + +/* Callback to check expected results */ +static int cb_check_json_str_list(void *record, size_t size, void *data) +{ + char *p; + char *result; + int num = get_output_num(); + size_t i; + struct str_list *l = (struct str_list*)data; + + if (!TEST_CHECK(l != NULL)) { + TEST_MSG("Data is NULL"); + flb_free(record); + return 0; + } + + set_output_num(num+1); + + result = (char *) record; + + for (i=0; i<l->size; i++) { + p = strstr(result, l->lists[i]); + if(!TEST_CHECK(p != NULL)) { + TEST_MSG("Expected to find: '%s' in result '%s'", + l->lists[i], result); + } + } + + /* + * If you want to debug your test + * + * printf("Expect: '%s' in result '%s'", expected, result); + */ + flb_free(record); + return 0; +} + +static struct test_ctx *test_ctx_create(struct flb_lib_out_cb *data) +{ + int o_ffd; + struct test_ctx *ctx = NULL; + + ctx = flb_malloc(sizeof(struct test_ctx)); + if (!TEST_CHECK(ctx != NULL)) { + TEST_MSG("malloc failed"); + flb_errno(); + return NULL; + } + + /* Service config */ + ctx->flb = flb_create(); + flb_service_set(ctx->flb, + "Flush", "0.200000000", + "Grace", "1", + "Log_Level", "error", + NULL); + + ctx->i_ffd = flb_input(ctx->flb, (char *) "fluentbit_metrics", NULL); + TEST_CHECK(ctx->i_ffd >= 0); + + /* Output */ + o_ffd = flb_output(ctx->flb, (char *) "lib", (void *) data); + ctx->o_ffd = o_ffd; + TEST_CHECK(ctx->o_ffd >= 0); + + return ctx; +} + +static void test_ctx_destroy(struct test_ctx *ctx) +{ + TEST_CHECK(ctx != NULL); + + sleep(1); + flb_stop(ctx->flb); + flb_destroy(ctx->flb); + flb_free(ctx); +} + +#ifdef FLB_HAVE_METRICS +char *basic_expected_strs[] = {"\"uptime\"", "\"records_total\"", "\"bytes_total\"", "\"proc_records_total\"", "\"proc_bytes_total\"", "\"errors_total\"", "\"retries_total\"", "\"retries_failed_total\"", "\"dropped_records_total\"", "\"retried_records_total\""}; + +static void test_basic(void) +{ + struct flb_lib_out_cb cb_data; + struct test_ctx *ctx; + int ret; + int num; + + struct str_list expected = { + .size = sizeof(basic_expected_strs)/sizeof(char*), + .lists = &basic_expected_strs[0], + }; + + clear_output_num(); + + cb_data.cb = cb_check_json_str_list; + cb_data.data = &expected; + + ctx = test_ctx_create(&cb_data); + if (!TEST_CHECK(ctx != NULL)) { + TEST_MSG("test_ctx_create failed"); + exit(EXIT_FAILURE); + } + /* Input */ + ret = flb_input_set(ctx->flb, ctx->i_ffd, + "scrape_interval", "1", + NULL); + TEST_CHECK(ret == 0); + + ret = flb_output_set(ctx->flb, ctx->o_ffd, + "format", "json", + NULL); + TEST_CHECK(ret == 0); + + /* Start the engine */ + ret = flb_start(ctx->flb); + TEST_CHECK(ret == 0); + + /* waiting to flush */ + wait_with_timeout(3000, &num); + + if (!TEST_CHECK(num > 0)) { + TEST_MSG("no outputs"); + } + + test_ctx_destroy(ctx); +} +#endif + +TEST_LIST = { +#ifdef FLB_HAVE_METRICS + {"basic", test_basic}, +#endif + {NULL, NULL} +}; 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