Adding upstream version 1.45.3+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 226 insertions, 0 deletions

diff --git a/src/fluent-bit/tests/runtime/in_fluentbit_metrics.c b/src/fluent-bit/tests/runtime/in_fluentbit_metrics.c
new file mode 100644
index 000000000..cb82ec2d8
--- /dev/null
+++ b/src/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}
+};