diff options
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.c | 283 |
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; -} |