From b8d898d5d7049afb4cef590d0b0597f5bef4d94b Mon Sep 17 00:00:00 2001 From: Takahiro Yamashita Date: Mon, 3 Jul 2023 09:26:25 +0900 Subject: [PATCH] tests: runtime: in_otel: add test code (#7489) Signed-off-by: Takahiro Yamashita --- tests/runtime/CMakeLists.txt | 1 + tests/runtime/in_opentelemetry.c | 376 +++++++++++++++++++++++++++++++ 2 files changed, 377 insertions(+) create mode 100644 tests/runtime/in_opentelemetry.c diff --git a/tests/runtime/CMakeLists.txt b/tests/runtime/CMakeLists.txt index 04b7ac1ef33..6e7c3e59c00 100644 --- a/tests/runtime/CMakeLists.txt +++ b/tests/runtime/CMakeLists.txt @@ -45,6 +45,7 @@ if(FLB_OUT_LIB) FLB_RT_TEST(FLB_IN_DUMMY "in_dummy.c") FLB_RT_TEST(FLB_IN_HTTP "in_http.c") FLB_RT_TEST(FLB_IN_ELASTICSEARCH "in_elasticsearch.c") + FLB_RT_TEST(FLB_IN_OPENTELEMETRY "in_opentelemetry.c") FLB_RT_TEST(FLB_IN_RANDOM "in_random.c") FLB_RT_TEST(FLB_IN_STATSD "in_statsd.c") FLB_RT_TEST(FLB_IN_SYSLOG "in_syslog.c") diff --git a/tests/runtime/in_opentelemetry.c b/tests/runtime/in_opentelemetry.c new file mode 100644 index 00000000000..6f721cbec19 --- /dev/null +++ b/tests/runtime/in_opentelemetry.c @@ -0,0 +1,376 @@ +/* -*- 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 +#include +#include +#include +#include +#include +#include +#include "flb_tests_runtime.h" + +#define JSON_CONTENT_TYPE "application/json" + +#define PORT_OTEL 4318 +#define TEST_MSG_OTEL_LOGS "{\"resourceLogs\":[{\"resource\":{},\"scopeLogs\":[{\"scope\":{},\"logRecords\":[{\"timeUnixNano\":\"1660296023390371588\",\"body\":{\"stringValue\":\"{\\\"message\\\":\\\"test\\\"}\"}}]}]}]}" +#define TEST_CB_MSG_OTEL_LOGS "[1660296024.698112,{\"log\":\"{\\\"message\\\":\\\"test\\\"}\"}]" + +#define V1_ENDPOINT_LOGS "/v1/logs" + +struct http_client_ctx { + struct flb_upstream *u; + struct flb_connection *u_conn; + struct flb_config *config; + struct mk_event_loop *evl; +}; + +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 */ + struct http_client_ctx *httpc; +}; + + +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); +} + +/* Callback to check expected results */ +static int cb_check_result_json(void *record, size_t size, void *data) +{ + char *p; + char *expected; + char *result; + int num = get_output_num(); + + set_output_num(num+1); + + expected = (char *) data; + result = (char *) record; + + p = strstr(result, expected); + TEST_CHECK(p != NULL); + + if (p==NULL) { + flb_error("Expected to find: '%s' in result '%s'", + expected, result); + } + /* + * If you want to debug your test + * + * printf("Expect: '%s' in result '%s'", expected, result); + */ + flb_free(record); + return 0; +} + +struct http_client_ctx* http_client_ctx_create() +{ + struct http_client_ctx *ret_ctx = NULL; + struct mk_event_loop *evl = NULL; + + ret_ctx = flb_calloc(1, sizeof(struct http_client_ctx)); + if (!TEST_CHECK(ret_ctx != NULL)) { + flb_errno(); + TEST_MSG("flb_calloc(http_client_ctx) failed"); + return NULL; + } + + evl = mk_event_loop_create(16); + if (!TEST_CHECK(evl != NULL)) { + TEST_MSG("mk_event_loop failed"); + flb_free(ret_ctx); + return NULL; + } + ret_ctx->evl = evl; + flb_engine_evl_init(); + flb_engine_evl_set(evl); + + ret_ctx->config = flb_config_init(); + if(!TEST_CHECK(ret_ctx->config != NULL)) { + TEST_MSG("flb_config_init failed"); + mk_event_loop_destroy(evl); + flb_free(ret_ctx); + return NULL; + } + + ret_ctx->u = flb_upstream_create(ret_ctx->config, "127.0.0.1", PORT_OTEL, 0, NULL); + if (!TEST_CHECK(ret_ctx->u != NULL)) { + TEST_MSG("flb_upstream_create failed"); + flb_config_exit(ret_ctx->config); + mk_event_loop_destroy(evl); + flb_free(ret_ctx); + return NULL; + } + + ret_ctx->u_conn = flb_upstream_conn_get(ret_ctx->u); + TEST_CHECK(ret_ctx->u_conn != NULL); + + ret_ctx->u_conn->upstream = ret_ctx->u; + + return ret_ctx; +} + +static struct test_ctx *test_ctx_create(struct flb_lib_out_cb *data) +{ + int i_ffd; + int o_ffd; + struct test_ctx *ctx = NULL; + + ctx = flb_calloc(1, sizeof(struct test_ctx)); + if (!TEST_CHECK(ctx != NULL)) { + TEST_MSG("flb_calloc 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); + + /* Input */ + i_ffd = flb_input(ctx->flb, (char *) "opentelemetry", NULL); + TEST_CHECK(i_ffd >= 0); + ctx->i_ffd = i_ffd; + + /* Output */ + o_ffd = flb_output(ctx->flb, (char *) "lib", (void *) data); + ctx->o_ffd = o_ffd; + + return ctx; +} + +int http_client_ctx_destroy(struct http_client_ctx* ctx) +{ + if (!TEST_CHECK(ctx != NULL)) { + return -1; + } + if (ctx->u) { + flb_upstream_destroy(ctx->u); + } + if (ctx->config) { + flb_config_exit(ctx->config); + } + if (ctx->evl) { + mk_event_loop_destroy(ctx->evl); + } + + flb_free(ctx); + return 0; +} + +static void test_ctx_destroy(struct test_ctx *ctx) +{ + TEST_CHECK(ctx != NULL); + if (ctx->httpc) { + http_client_ctx_destroy(ctx->httpc); + } + + sleep(1); + flb_stop(ctx->flb); + flb_destroy(ctx->flb); + flb_free(ctx); +} + +void flb_test_otel_logs() +{ + struct flb_lib_out_cb cb_data; + struct test_ctx *ctx; + struct flb_http_client *c; + int ret; + int num; + size_t b_sent; + + char *buf = TEST_MSG_OTEL_LOGS; + + clear_output_num(); + + cb_data.cb = cb_check_result_json; + cb_data.data = TEST_CB_MSG_OTEL_LOGS; + + ctx = test_ctx_create(&cb_data); + if (!TEST_CHECK(ctx != NULL)) { + TEST_MSG("test_ctx_create failed"); + exit(EXIT_FAILURE); + } + + ret = flb_output_set(ctx->flb, ctx->o_ffd, + "match", "*", + "format", "json", + NULL); + TEST_CHECK(ret == 0); + + /* Start the engine */ + ret = flb_start(ctx->flb); + TEST_CHECK(ret == 0); + + ctx->httpc = http_client_ctx_create(); + TEST_CHECK(ctx->httpc != NULL); + + c = flb_http_client(ctx->httpc->u_conn, FLB_HTTP_POST, V1_ENDPOINT_LOGS, buf, strlen(buf), + "127.0.0.1", PORT_OTEL, NULL, 0); + ret = flb_http_add_header(c, FLB_HTTP_HEADER_CONTENT_TYPE, strlen(FLB_HTTP_HEADER_CONTENT_TYPE), + JSON_CONTENT_TYPE, strlen(JSON_CONTENT_TYPE)); + TEST_CHECK(ret == 0); + if (!TEST_CHECK(c != NULL)) { + TEST_MSG("http_client failed"); + exit(EXIT_FAILURE); + } + + ret = flb_http_do(c, &b_sent); + if (!TEST_CHECK(ret == 0)) { + TEST_MSG("ret error. ret=%d\n", ret); + } + else if (!TEST_CHECK(b_sent > 0)){ + TEST_MSG("b_sent size error. b_sent = %lu\n", b_sent); + } + else if (!TEST_CHECK(c->resp.status == 201)) { + TEST_MSG("http response code error. expect: 201, got: %d\n", c->resp.status); + } + + /* waiting to flush */ + flb_time_msleep(1500); + + num = get_output_num(); + if (!TEST_CHECK(num > 0)) { + TEST_MSG("no outputs"); + } + flb_http_client_destroy(c); + flb_upstream_conn_release(ctx->httpc->u_conn); + test_ctx_destroy(ctx); +} + +void flb_test_otel_successful_response_code(char *response_code) +{ + struct flb_lib_out_cb cb_data; + struct test_ctx *ctx; + struct flb_http_client *c; + int ret; + int num; + size_t b_sent; + + char *buf = TEST_MSG_OTEL_LOGS; + + clear_output_num(); + + cb_data.cb = cb_check_result_json; + cb_data.data = TEST_CB_MSG_OTEL_LOGS; + + ctx = test_ctx_create(&cb_data); + if (!TEST_CHECK(ctx != NULL)) { + TEST_MSG("test_ctx_create failed"); + exit(EXIT_FAILURE); + } + + ret = flb_input_set(ctx->flb, ctx->i_ffd, + "successful_response_code", response_code, + NULL); + TEST_CHECK(ret == 0); + + ret = flb_output_set(ctx->flb, ctx->o_ffd, + "match", "*", + "format", "json", + NULL); + TEST_CHECK(ret == 0); + + /* Start the engine */ + ret = flb_start(ctx->flb); + TEST_CHECK(ret == 0); + + ctx->httpc = http_client_ctx_create(); + TEST_CHECK(ctx->httpc != NULL); + + c = flb_http_client(ctx->httpc->u_conn, FLB_HTTP_POST, V1_ENDPOINT_LOGS, buf, strlen(buf), + "127.0.0.1", PORT_OTEL, NULL, 0); + ret = flb_http_add_header(c, FLB_HTTP_HEADER_CONTENT_TYPE, strlen(FLB_HTTP_HEADER_CONTENT_TYPE), + JSON_CONTENT_TYPE, strlen(JSON_CONTENT_TYPE)); + TEST_CHECK(ret == 0); + if (!TEST_CHECK(c != NULL)) { + TEST_MSG("http_client failed"); + exit(EXIT_FAILURE); + } + + ret = flb_http_do(c, &b_sent); + if (!TEST_CHECK(ret == 0)) { + TEST_MSG("ret error. ret=%d\n", ret); + } + else if (!TEST_CHECK(b_sent > 0)){ + TEST_MSG("b_sent size error. b_sent = %lu\n", b_sent); + } + else if (!TEST_CHECK(c->resp.status == atoi(response_code))) { + TEST_MSG("http response code error. expect: %d, got: %d\n", atoi(response_code), c->resp.status); + } + + /* waiting to flush */ + flb_time_msleep(1500); + + num = get_output_num(); + if (!TEST_CHECK(num > 0)) { + TEST_MSG("no outputs"); + } + flb_http_client_destroy(c); + flb_upstream_conn_release(ctx->httpc->u_conn); + test_ctx_destroy(ctx); +} + +void flb_test_otel_successful_response_code_200() +{ + flb_test_otel_successful_response_code("200"); +} + +void flb_test_otel_successful_response_code_204() +{ + flb_test_otel_successful_response_code("204"); +} + +TEST_LIST = { + {"otel_logs", flb_test_otel_logs}, + {"successful_response_code_200", flb_test_otel_successful_response_code_200}, + {"successful_response_code_204", flb_test_otel_successful_response_code_204}, + {NULL, NULL} +}; +