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-rw-r--r--fluent-bit/tests/runtime/in_opentelemetry.c376
1 files changed, 376 insertions, 0 deletions
diff --git a/fluent-bit/tests/runtime/in_opentelemetry.c b/fluent-bit/tests/runtime/in_opentelemetry.c
new file mode 100644
index 00000000..6f721cbe
--- /dev/null
+++ b/fluent-bit/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 <stdlib.h>
+#include <fluent-bit.h>
+#include <fluent-bit/flb_compat.h>
+#include <fluent-bit/flb_time.h>
+#include <fluent-bit/flb_pack.h>
+#include <fluent-bit/flb_http_client.h>
+#include <monkey/mk_core.h>
+#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}
+};
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-12 07:34:34 +0000