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Diffstat (limited to 'src/fluent-bit/plugins/in_node_exporter_metrics/ne_meminfo_linux.c')
-rw-r--r--src/fluent-bit/plugins/in_node_exporter_metrics/ne_meminfo_linux.c283
1 files changed, 0 insertions, 283 deletions
diff --git a/src/fluent-bit/plugins/in_node_exporter_metrics/ne_meminfo_linux.c b/src/fluent-bit/plugins/in_node_exporter_metrics/ne_meminfo_linux.c
deleted file mode 100644
index 3189d53c0..000000000
--- a/src/fluent-bit/plugins/in_node_exporter_metrics/ne_meminfo_linux.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-
-/* Fluent Bit
- * ==========
- * Copyright (C) 2015-2022 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/flb_info.h>
-#include <fluent-bit/flb_hash_table.h>
-#include <fluent-bit/flb_sds.h>
-#include <fluent-bit/flb_input_plugin.h>
-
-#include "ne.h"
-#include "ne_utils.h"
-
-#include <unistd.h>
-
-static int meminfo_configure(struct flb_ne *ctx)
-{
- int ret;
- int parts;
- int len;
- char *p;
- char desc[] = "Memory information field ";
- struct cmt_gauge *g;
- struct mk_list *head;
- struct mk_list list;
- struct mk_list split_list;
- struct flb_slist_entry *entry;
- struct flb_slist_entry *line;
- flb_sds_t metric_name;
- flb_sds_t metric_desc;
-
- /* Initialize hash table */
- ctx->meminfo_ht = flb_hash_table_create(FLB_HASH_TABLE_EVICT_NONE, 16, 0);
- if (!ctx->meminfo_ht) {
- return -1;
- }
-
- mk_list_init(&list);
- mk_list_init(&split_list);
-
- ret = ne_utils_file_read_lines(ctx->path_procfs, "/meminfo", &list);
- if (ret == -1) {
- return -1;
- }
- metric_name = flb_sds_create_size(128);
- if (!metric_name) {
- flb_hash_table_destroy(ctx->meminfo_ht);
- flb_slist_destroy(&list);
- return -1;
- }
-
- metric_desc = flb_sds_create_size(256);
- if (!metric_desc) {
- flb_hash_table_destroy(ctx->meminfo_ht);
- flb_slist_destroy(&list);
- return -1;
- }
-
- mk_list_foreach(head, &list) {
- line = mk_list_entry(head, struct flb_slist_entry, _head);
-
- mk_list_init(&split_list);
- ret = flb_slist_split_string(&split_list, line->str, ' ', -1);
- if (ret == -1) {
- continue;
- }
- parts = ret;
-
- /* set metric name */
- entry = mk_list_entry_first(&split_list, struct flb_slist_entry, _head);
-
- if ((p = strstr(entry->str, "(anon)")) ||
- (p = strstr(entry->str, "(file)"))) {
- *p = '_';
- len = flb_sds_len(entry->str) - 2;
- flb_sds_len_set(entry->str, len);
- }
- else {
- len = flb_sds_len(entry->str) - 1;
- flb_sds_len_set(entry->str, len);
- }
- entry->str[len] = '\0';
-
- flb_sds_len_set(metric_name, 0);
- flb_sds_cat(metric_name, entry->str, flb_sds_len(entry->str));
-
- /* Metric description */
- flb_sds_len_set(metric_desc, 0);
- flb_sds_cat(metric_desc, desc, sizeof(desc) - 1);
-
- if (parts == 2) {
- /* No unit */
- flb_sds_cat(metric_desc, metric_name, flb_sds_len(metric_name));
- flb_sds_cat(metric_desc, ".", 1);
-
- g = cmt_gauge_create(ctx->cmt, "node", "memory", metric_name,
- metric_desc,
- 0, NULL);
- if (!g) {
- flb_slist_destroy(&split_list);
- goto error;
- }
- }
- else if (parts == 3) {
- /* It has an extra 'kB' string in the line */
- flb_sds_cat(metric_name, "_bytes", 6);
- flb_sds_cat(metric_desc, metric_name, flb_sds_len(metric_name));
- flb_sds_cat(metric_desc, ".", 1);
- g = cmt_gauge_create(ctx->cmt, "node", "memory", metric_name,
- metric_desc,
- 0, NULL);
- if (!g) {
- flb_slist_destroy(&split_list);
- goto error;
- }
- }
- else {
- flb_slist_destroy(&split_list);
- continue;
- }
- flb_slist_destroy(&split_list);
-
- /*
- * Register the gauge context into the hash table: note that depending
- * of the number of parts in the list, if it contains the extra 'kB'
- * the metric name gets appended the '_bytes' string.
- */
- ret = flb_hash_table_add(ctx->meminfo_ht,
- metric_name, flb_sds_len(metric_name), g, 0);
- if (ret == -1) {
- flb_plg_error(ctx->ins,
- "could not add hash for metric: %s", metric_name);
- goto error;
- }
- }
-
- flb_sds_destroy(metric_name);
- flb_sds_destroy(metric_desc);
- flb_slist_destroy(&list);
- return 0;
-
- error:
- flb_sds_destroy(metric_name);
- flb_sds_destroy(metric_desc);
- flb_slist_destroy(&list);
- return -1;
-}
-
-static int meminfo_update(struct flb_ne *ctx)
-{
- int i = 0;
- int ret;
- int len;
- int parts;
- uint64_t ts;
- double val;
- size_t out_size;
- char *p;
- flb_sds_t tmp;
- flb_sds_t metric_name = NULL;
- struct cmt_gauge *g;
- struct mk_list *head;
- struct mk_list list;
- struct mk_list split_list;
- struct flb_slist_entry *line;
- struct flb_slist_entry *entry;
-
- mk_list_init(&list);
- ret = ne_utils_file_read_lines(ctx->path_procfs, "/meminfo", &list);
- if (ret == -1) {
- return -1;
- }
-
- ts = cfl_time_now();
-
- mk_list_foreach(head, &list) {
- line = mk_list_entry(head, struct flb_slist_entry, _head);
-
- mk_list_init(&split_list);
- ret = flb_slist_split_string(&split_list, line->str, ' ', -1);
- if (ret == -1) {
- continue;
- }
- parts = ret;
- if (parts == 0) {
- flb_slist_destroy(&split_list);
- continue;
- }
-
- /* Metric name */
- entry = mk_list_entry_first(&split_list, struct flb_slist_entry, _head);
- metric_name = entry->str;
-
- if ((p = strstr(entry->str, "(anon)")) ||
- (p = strstr(entry->str, "(file)"))) {
- *p = '_';
- len = flb_sds_len(metric_name) - 1;
- flb_sds_len_set(metric_name, len);
- }
-
- /* Metric value */
- entry = mk_list_entry_next(&split_list, struct flb_slist_entry, _head,
- &entry->_head);
-
- ret = ne_utils_str_to_double(entry->str, &val);
- if (ret == -1) {
- i++;
- flb_slist_destroy(&split_list);
- }
-
- g = NULL;
- if (parts == 2) {
- /* Metric name is the same, no extra bytes */
- ret = flb_hash_table_get(ctx->meminfo_ht,
- metric_name, flb_sds_len(metric_name) - 1,
- (void *) &g, &out_size);
- }
- else if (parts == 3) {
- /* Compose new metric name */
- tmp = flb_sds_create_size(256);
- flb_sds_cat_safe(&tmp, metric_name, flb_sds_len(metric_name) - 1);
- flb_sds_cat_safe(&tmp, "_bytes", 6);
-
- /* Get metric context */
- ret = flb_hash_table_get(ctx->meminfo_ht,
- tmp, flb_sds_len(tmp),
- (void *) &g, &out_size);
- flb_sds_destroy(tmp);
-
- /* Value is in kB, convert to bytes */
- val *= 1024;
- }
-
- if (!g) {
- flb_plg_error(ctx->ins,
- "gauge content for metric '%s' not found",
- metric_name);
- flb_slist_destroy(&split_list);
- continue;
- }
-
- /* Update metric */
- cmt_gauge_set(g, ts, val, 0, NULL);
- flb_slist_destroy(&split_list);
- }
-
- flb_slist_destroy(&list);
- return 0;
-}
-
-int ne_meminfo_init(struct flb_ne *ctx)
-{
- meminfo_configure(ctx);
- return 0;
-}
-
-int ne_meminfo_update(struct flb_ne *ctx)
-{
- meminfo_update(ctx);
- return 0;
-}
-
-int ne_meminfo_exit(struct flb_ne *ctx)
-{
- if (ctx->meminfo_ht) {
- flb_hash_table_destroy(ctx->meminfo_ht);
- }
- return 0;
-}