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/* -*- 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.
*/
#ifndef FLB_NODE_EXPORTER_H
#define FLB_NODE_EXPORTER_H
/* utils: scan content type expected */
#define NE_SCAN_FILE 1
#define NE_SCAN_DIR 2
#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_input_plugin.h>
#include <fluent-bit/flb_regex.h>
#include <fluent-bit/flb_hash_table.h>
#include <fluent-bit/flb_metrics.h>
/* filesystem: regex for ignoring mount points and filesystem types */
#define IGNORED_MOUNT_POINTS "^/(dev|proc|run/credentials/.+|sys|var/lib/docker/.+|var/lib/containers/storage/.+)($|/)"
#define IGNORED_FS_TYPES "^(autofs|binfmt_misc|bpf|cgroup2?|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|iso9660|mqueue|nsfs|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|selinuxfs|squashfs|sysfs|tracefs)$"
/* diskstats: regex for ignoring devices */
#define IGNORED_DEVICES "^(ram|loop|fd|(h|s|v|xv)d[a-z]|nvme\\d+n\\d+p)\\d+$"
struct flb_ne {
/* configuration */
flb_sds_t path_procfs;
flb_sds_t path_sysfs;
flb_sds_t path_textfile;
int scrape_interval;
int coll_fd; /* collector fd */
struct cmt *cmt; /* cmetrics context */
struct flb_input_instance *ins; /* input instance */
struct flb_callback *callback; /* metric callback */
struct mk_list *metrics; /* enabled metrics */
/* Individual intervals for metrics */
int cpu_scrape_interval;
int cpufreq_scrape_interval;
int meminfo_scrape_interval;
int diskstats_scrape_interval;
int filesystem_scrape_interval;
int uname_scrape_interval;
int stat_scrape_interval;
int time_scrape_interval;
int loadavg_scrape_interval;
int vmstat_scrape_interval;
int netdev_scrape_interval;
int filefd_scrape_interval;
int textfile_scrape_interval;
int systemd_scrape_interval;
int coll_cpu_fd; /* collector fd (cpu) */
int coll_cpufreq_fd; /* collector fd (cpufreq) */
int coll_meminfo_fd; /* collector fd (meminfo) */
int coll_diskstats_fd; /* collector fd (diskstat) */
int coll_filesystem_fd; /* collector fd (filesystem) */
int coll_uname_fd; /* collector fd (uname) */
int coll_stat_fd; /* collector fd (stat) */
int coll_time_fd; /* collector fd (time) */
int coll_loadavg_fd; /* collector fd (loadavg) */
int coll_vmstat_fd; /* collector fd (vmstat) */
int coll_netdev_fd; /* collector fd (netdev) */
int coll_filefd_fd; /* collector fd (filefd) */
int coll_textfile_fd; /* collector fd (textfile) */
int coll_systemd_fd ; /* collector fd (systemd) */
/*
* Metrics Contexts
* ----------------
*/
/* cpu_linux */
struct cmt_counter *cpu_core_throttles;
struct cmt_counter *cpu_package_throttles;
/* cpufreq_linux */
struct cmt_gauge *cpu_freq_hertz;
struct cmt_gauge *cpu_freq_min_hertz;
struct cmt_gauge *cpu_freq_max_hertz;
/* cpufreq scaling linux */
struct cmt_gauge *cpu_scaling_freq_hertz;
struct cmt_gauge *cpu_scaling_freq_max_hertz;
struct cmt_gauge *cpu_scaling_freq_min_hertz;
/* cpu seconds & guest seconds */
struct cmt_counter *cpu_seconds;
struct cmt_counter *cpu_guest_seconds;
/* meminfo hash table */
struct flb_hash_table *meminfo_ht;
/* diskstats: abbreviation 'dt' */
void *dt_metrics;
struct flb_regex *dt_regex_skip_devices;
flb_sds_t dt_regex_skip_devices_text;
/* uname */
struct cmt_gauge *uname;
/* stat_linux */
struct cmt_counter *st_intr;
struct cmt_counter *st_context_switches;
struct cmt_gauge *st_boot_time;
struct cmt_counter *st_forks;
struct cmt_gauge *st_procs_running;
struct cmt_gauge *st_procs_blocked;
/* vmstat_linux */
struct flb_hash_table *vml_ht;
struct flb_regex *vml_regex_fields;
/* netdev */
struct flb_hash_table *netdev_ht;
/* time */
struct cmt_gauge *time;
/* loadavg */
struct cmt_gauge *lavg_1;
struct cmt_gauge *lavg_5;
struct cmt_gauge *lavg_15;
/* filefd_linux */
struct cmt_gauge *filefd_allocated;
struct cmt_gauge *filefd_maximum;
/* filesystem: abbreviation 'fs' */
struct cmt_gauge *fs_avail_bytes;
struct cmt_gauge *fs_device_error;
struct cmt_gauge *fs_files;
struct cmt_gauge *fs_files_free;
struct cmt_gauge *fs_free_bytes;
struct cmt_gauge *fs_readonly;
struct cmt_gauge *fs_size_bytes;
flb_sds_t fs_regex_ingore_mount_point_text;
flb_sds_t fs_regex_ingore_filesystem_type_text;
struct flb_regex *fs_regex_read_only;
struct flb_regex *fs_regex_skip_mount;
struct flb_regex *fs_regex_skip_fs_types;
/* testfile */
struct cmt_counter *load_errors;
/* systemd */
struct cmt_gauge *systemd_socket_accepted_connections;
struct cmt_gauge *systemd_socket_active_connections;
struct cmt_gauge *systemd_socket_refused_connections;
struct cmt_counter *systemd_service_restarts;
struct cmt_gauge *systemd_unit_start_times;
struct cmt_gauge *systemd_system_running;
struct cmt_gauge *systemd_timer_last_trigger_seconds;
struct cmt_gauge *systemd_unit_state;
struct cmt_gauge *systemd_unit_tasks;
struct cmt_gauge *systemd_unit_tasks_max;
struct cmt_gauge *systemd_units;
struct cmt_gauge *systemd_version;
void *systemd_dbus_handle;
int systemd_initialization_flag;
int systemd_include_unit_start_times;
int systemd_include_service_restarts;
int systemd_include_service_task_metrics;
flb_sds_t systemd_regex_include_list_text;
flb_sds_t systemd_regex_exclude_list_text;
struct flb_regex *systemd_regex_include_list;
struct flb_regex *systemd_regex_exclude_list;
double libsystemd_version;
char *libsystemd_version_text;
};
#endif
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