745 lines
25 KiB
C
745 lines
25 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#define NETDATA_RRD_INTERNALS
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#include "rrd.h"
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RRDHOST *localhost = NULL;
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size_t rrd_hosts_available = 0;
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netdata_rwlock_t rrd_rwlock = NETDATA_RWLOCK_INITIALIZER;
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time_t rrdset_free_obsolete_time = 3600;
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time_t rrdhost_free_orphan_time = 3600;
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// ----------------------------------------------------------------------------
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// RRDHOST index
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int rrdhost_compare(void* a, void* b) {
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if(((RRDHOST *)a)->hash_machine_guid < ((RRDHOST *)b)->hash_machine_guid) return -1;
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else if(((RRDHOST *)a)->hash_machine_guid > ((RRDHOST *)b)->hash_machine_guid) return 1;
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else return strcmp(((RRDHOST *)a)->machine_guid, ((RRDHOST *)b)->machine_guid);
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}
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avl_tree_lock rrdhost_root_index = {
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.avl_tree = { NULL, rrdhost_compare },
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.rwlock = AVL_LOCK_INITIALIZER
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};
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RRDHOST *rrdhost_find_by_guid(const char *guid, uint32_t hash) {
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debug(D_RRDHOST, "Searching in index for host with guid '%s'", guid);
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RRDHOST tmp;
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strncpyz(tmp.machine_guid, guid, GUID_LEN);
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tmp.hash_machine_guid = (hash)?hash:simple_hash(tmp.machine_guid);
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return (RRDHOST *)avl_search_lock(&(rrdhost_root_index), (avl *) &tmp);
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}
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RRDHOST *rrdhost_find_by_hostname(const char *hostname, uint32_t hash) {
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if(unlikely(!strcmp(hostname, "localhost")))
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return localhost;
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if(unlikely(!hash)) hash = simple_hash(hostname);
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rrd_rdlock();
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RRDHOST *host;
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rrdhost_foreach_read(host) {
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if(unlikely((hash == host->hash_hostname && !strcmp(hostname, host->hostname)))) {
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rrd_unlock();
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return host;
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}
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}
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rrd_unlock();
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return NULL;
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}
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#define rrdhost_index_add(rrdhost) (RRDHOST *)avl_insert_lock(&(rrdhost_root_index), (avl *)(rrdhost))
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#define rrdhost_index_del(rrdhost) (RRDHOST *)avl_remove_lock(&(rrdhost_root_index), (avl *)(rrdhost))
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// ----------------------------------------------------------------------------
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// RRDHOST - internal helpers
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static inline void rrdhost_init_tags(RRDHOST *host, const char *tags) {
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if(host->tags && tags && !strcmp(host->tags, tags))
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return;
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void *old = (void *)host->tags;
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host->tags = (tags && *tags)?strdupz(tags):NULL;
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freez(old);
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}
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static inline void rrdhost_init_hostname(RRDHOST *host, const char *hostname) {
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if(host->hostname && hostname && !strcmp(host->hostname, hostname))
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return;
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void *old = host->hostname;
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host->hostname = strdupz(hostname?hostname:"localhost");
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host->hash_hostname = simple_hash(host->hostname);
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freez(old);
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}
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static inline void rrdhost_init_os(RRDHOST *host, const char *os) {
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if(host->os && os && !strcmp(host->os, os))
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return;
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void *old = (void *)host->os;
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host->os = strdupz(os?os:"unknown");
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freez(old);
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}
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static inline void rrdhost_init_timezone(RRDHOST *host, const char *timezone) {
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if(host->timezone && timezone && !strcmp(host->timezone, timezone))
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return;
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void *old = (void *)host->timezone;
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host->timezone = strdupz((timezone && *timezone)?timezone:"unknown");
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freez(old);
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}
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static inline void rrdhost_init_machine_guid(RRDHOST *host, const char *machine_guid) {
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strncpy(host->machine_guid, machine_guid, GUID_LEN);
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host->machine_guid[GUID_LEN] = '\0';
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host->hash_machine_guid = simple_hash(host->machine_guid);
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}
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// ----------------------------------------------------------------------------
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// RRDHOST - add a host
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RRDHOST *rrdhost_create(const char *hostname,
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const char *registry_hostname,
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const char *guid,
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const char *os,
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const char *timezone,
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const char *tags,
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const char *program_name,
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const char *program_version,
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int update_every,
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long entries,
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RRD_MEMORY_MODE memory_mode,
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unsigned int health_enabled,
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unsigned int rrdpush_enabled,
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char *rrdpush_destination,
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char *rrdpush_api_key,
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char *rrdpush_send_charts_matching,
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int is_localhost
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) {
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debug(D_RRDHOST, "Host '%s': adding with guid '%s'", hostname, guid);
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rrd_check_wrlock();
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RRDHOST *host = callocz(1, sizeof(RRDHOST));
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host->rrd_update_every = (update_every > 0)?update_every:1;
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host->rrd_history_entries = align_entries_to_pagesize(memory_mode, entries);
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host->rrd_memory_mode = memory_mode;
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host->health_enabled = (memory_mode == RRD_MEMORY_MODE_NONE)? 0 : health_enabled;
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host->rrdpush_send_enabled = (rrdpush_enabled && rrdpush_destination && *rrdpush_destination && rrdpush_api_key && *rrdpush_api_key) ? 1 : 0;
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host->rrdpush_send_destination = (host->rrdpush_send_enabled)?strdupz(rrdpush_destination):NULL;
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host->rrdpush_send_api_key = (host->rrdpush_send_enabled)?strdupz(rrdpush_api_key):NULL;
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host->rrdpush_send_charts_matching = simple_pattern_create(rrdpush_send_charts_matching, NULL, SIMPLE_PATTERN_EXACT);
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host->rrdpush_sender_pipe[0] = -1;
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host->rrdpush_sender_pipe[1] = -1;
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host->rrdpush_sender_socket = -1;
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netdata_mutex_init(&host->rrdpush_sender_buffer_mutex);
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netdata_rwlock_init(&host->rrdhost_rwlock);
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rrdhost_init_hostname(host, hostname);
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rrdhost_init_machine_guid(host, guid);
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rrdhost_init_os(host, os);
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rrdhost_init_timezone(host, timezone);
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rrdhost_init_tags(host, tags);
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host->program_name = strdupz((program_name && *program_name)?program_name:"unknown");
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host->program_version = strdupz((program_version && *program_version)?program_version:"unknown");
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host->registry_hostname = strdupz((registry_hostname && *registry_hostname)?registry_hostname:hostname);
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avl_init_lock(&(host->rrdset_root_index), rrdset_compare);
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avl_init_lock(&(host->rrdset_root_index_name), rrdset_compare_name);
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avl_init_lock(&(host->rrdfamily_root_index), rrdfamily_compare);
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avl_init_lock(&(host->rrdvar_root_index), rrdvar_compare);
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if(config_get_boolean(CONFIG_SECTION_GLOBAL, "delete obsolete charts files", 1))
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rrdhost_flag_set(host, RRDHOST_FLAG_DELETE_OBSOLETE_CHARTS);
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if(config_get_boolean(CONFIG_SECTION_GLOBAL, "delete orphan hosts files", 1) && !is_localhost)
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rrdhost_flag_set(host, RRDHOST_FLAG_DELETE_ORPHAN_HOST);
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// ------------------------------------------------------------------------
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// initialize health variables
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host->health_log.next_log_id = 1;
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host->health_log.next_alarm_id = 1;
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host->health_log.max = 1000;
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host->health_log.next_log_id =
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host->health_log.next_alarm_id = (uint32_t)now_realtime_sec();
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long n = config_get_number(CONFIG_SECTION_HEALTH, "in memory max health log entries", host->health_log.max);
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if(n < 10) {
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error("Host '%s': health configuration has invalid max log entries %ld. Using default %u", host->hostname, n, host->health_log.max);
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config_set_number(CONFIG_SECTION_HEALTH, "in memory max health log entries", (long)host->health_log.max);
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}
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else
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host->health_log.max = (unsigned int)n;
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netdata_rwlock_init(&host->health_log.alarm_log_rwlock);
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char filename[FILENAME_MAX + 1];
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if(is_localhost) {
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host->cache_dir = strdupz(netdata_configured_cache_dir);
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host->varlib_dir = strdupz(netdata_configured_varlib_dir);
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}
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else {
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// this is not localhost - append our GUID to localhost path
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snprintfz(filename, FILENAME_MAX, "%s/%s", netdata_configured_cache_dir, host->machine_guid);
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host->cache_dir = strdupz(filename);
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if(host->rrd_memory_mode == RRD_MEMORY_MODE_MAP || host->rrd_memory_mode == RRD_MEMORY_MODE_SAVE) {
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int r = mkdir(host->cache_dir, 0775);
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if(r != 0 && errno != EEXIST)
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error("Host '%s': cannot create directory '%s'", host->hostname, host->cache_dir);
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}
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snprintfz(filename, FILENAME_MAX, "%s/%s", netdata_configured_varlib_dir, host->machine_guid);
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host->varlib_dir = strdupz(filename);
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if(host->health_enabled) {
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int r = mkdir(host->varlib_dir, 0775);
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if(r != 0 && errno != EEXIST)
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error("Host '%s': cannot create directory '%s'", host->hostname, host->varlib_dir);
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}
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}
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if(host->health_enabled) {
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snprintfz(filename, FILENAME_MAX, "%s/health", host->varlib_dir);
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int r = mkdir(filename, 0775);
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if(r != 0 && errno != EEXIST)
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error("Host '%s': cannot create directory '%s'", host->hostname, filename);
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}
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snprintfz(filename, FILENAME_MAX, "%s/health/health-log.db", host->varlib_dir);
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host->health_log_filename = strdupz(filename);
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snprintfz(filename, FILENAME_MAX, "%s/alarm-notify.sh", netdata_configured_plugins_dir);
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host->health_default_exec = strdupz(config_get(CONFIG_SECTION_HEALTH, "script to execute on alarm", filename));
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host->health_default_recipient = strdupz("root");
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// ------------------------------------------------------------------------
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// load health configuration
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if(host->health_enabled) {
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health_alarm_log_load(host);
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health_alarm_log_open(host);
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rrdhost_wrlock(host);
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health_readdir(host, health_user_config_dir(), health_stock_config_dir(), NULL);
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rrdhost_unlock(host);
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}
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// ------------------------------------------------------------------------
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// link it and add it to the index
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if(is_localhost) {
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host->next = localhost;
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localhost = host;
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}
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else {
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if(localhost) {
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host->next = localhost->next;
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localhost->next = host;
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}
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else localhost = host;
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}
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RRDHOST *t = rrdhost_index_add(host);
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if(t != host) {
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error("Host '%s': cannot add host with machine guid '%s' to index. It already exists as host '%s' with machine guid '%s'.", host->hostname, host->machine_guid, t->hostname, t->machine_guid);
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rrdhost_free(host);
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host = NULL;
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}
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else {
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info("Host '%s' (at registry as '%s') with guid '%s' initialized"
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", os '%s'"
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", timezone '%s'"
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", tags '%s'"
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", program_name '%s'"
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", program_version '%s'"
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", update every %d"
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", memory mode %s"
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", history entries %ld"
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", streaming %s"
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" (to '%s' with api key '%s')"
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", health %s"
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", cache_dir '%s'"
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", varlib_dir '%s'"
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", health_log '%s'"
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", alarms default handler '%s'"
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", alarms default recipient '%s'"
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, host->hostname
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, host->registry_hostname
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, host->machine_guid
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, host->os
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, host->timezone
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, (host->tags)?host->tags:""
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, host->program_name
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, host->program_version
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, host->rrd_update_every
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, rrd_memory_mode_name(host->rrd_memory_mode)
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, host->rrd_history_entries
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, host->rrdpush_send_enabled?"enabled":"disabled"
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, host->rrdpush_send_destination?host->rrdpush_send_destination:""
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, host->rrdpush_send_api_key?host->rrdpush_send_api_key:""
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, host->health_enabled?"enabled":"disabled"
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, host->cache_dir
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, host->varlib_dir
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, host->health_log_filename
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, host->health_default_exec
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, host->health_default_recipient
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);
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}
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rrd_hosts_available++;
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return host;
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}
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RRDHOST *rrdhost_find_or_create(
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const char *hostname
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, const char *registry_hostname
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, const char *guid
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, const char *os
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, const char *timezone
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, const char *tags
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, const char *program_name
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, const char *program_version
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, int update_every
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, long history
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, RRD_MEMORY_MODE mode
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, unsigned int health_enabled
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, unsigned int rrdpush_enabled
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, char *rrdpush_destination
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, char *rrdpush_api_key
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, char *rrdpush_send_charts_matching
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) {
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debug(D_RRDHOST, "Searching for host '%s' with guid '%s'", hostname, guid);
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rrd_wrlock();
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RRDHOST *host = rrdhost_find_by_guid(guid, 0);
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if(!host) {
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host = rrdhost_create(
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hostname
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, registry_hostname
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, guid
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, os
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, timezone
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, tags
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, program_name
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, program_version
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, update_every
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, history
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, mode
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, health_enabled
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, rrdpush_enabled
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, rrdpush_destination
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, rrdpush_api_key
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, rrdpush_send_charts_matching
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, 0
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);
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}
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else {
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host->health_enabled = health_enabled;
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if(strcmp(host->hostname, hostname) != 0) {
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info("Host '%s' has been renamed to '%s'. If this is not intentional it may mean multiple hosts are using the same machine_guid.", host->hostname, hostname);
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char *t = host->hostname;
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host->hostname = strdupz(hostname);
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host->hash_hostname = simple_hash(host->hostname);
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freez(t);
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}
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if(strcmp(host->program_name, program_name) != 0) {
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info("Host '%s' switched program name from '%s' to '%s'", host->hostname, host->program_name, program_name);
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char *t = host->program_name;
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host->program_name = strdupz(program_name);
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freez(t);
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}
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if(strcmp(host->program_version, program_version) != 0) {
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info("Host '%s' switched program version from '%s' to '%s'", host->hostname, host->program_version, program_version);
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char *t = host->program_version;
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host->program_version = strdupz(program_version);
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freez(t);
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}
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if(host->rrd_update_every != update_every)
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error("Host '%s' has an update frequency of %d seconds, but the wanted one is %d seconds. Restart netdata here to apply the new settings.", host->hostname, host->rrd_update_every, update_every);
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if(host->rrd_history_entries < history)
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error("Host '%s' has history of %ld entries, but the wanted one is %ld entries. Restart netdata here to apply the new settings.", host->hostname, host->rrd_history_entries, history);
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if(host->rrd_memory_mode != mode)
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error("Host '%s' has memory mode '%s', but the wanted one is '%s'. Restart netdata here to apply the new settings.", host->hostname, rrd_memory_mode_name(host->rrd_memory_mode), rrd_memory_mode_name(mode));
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// update host tags
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rrdhost_init_tags(host, tags);
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}
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rrdhost_cleanup_orphan_hosts_nolock(host);
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rrd_unlock();
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return host;
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}
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inline int rrdhost_should_be_removed(RRDHOST *host, RRDHOST *protected, time_t now) {
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if(host != protected
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&& host != localhost
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&& rrdhost_flag_check(host, RRDHOST_FLAG_ORPHAN)
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&& !host->connected_senders
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&& host->senders_disconnected_time
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&& host->senders_disconnected_time + rrdhost_free_orphan_time < now)
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return 1;
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return 0;
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}
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void rrdhost_cleanup_orphan_hosts_nolock(RRDHOST *protected) {
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time_t now = now_realtime_sec();
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RRDHOST *host;
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restart_after_removal:
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rrdhost_foreach_write(host) {
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if(rrdhost_should_be_removed(host, protected, now)) {
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info("Host '%s' with machine guid '%s' is obsolete - cleaning up.", host->hostname, host->machine_guid);
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if(rrdhost_flag_check(host, RRDHOST_FLAG_DELETE_ORPHAN_HOST))
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rrdhost_delete_charts(host);
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else
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rrdhost_save_charts(host);
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rrdhost_free(host);
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goto restart_after_removal;
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}
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}
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}
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// ----------------------------------------------------------------------------
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// RRDHOST global / startup initialization
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void rrd_init(char *hostname) {
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rrdset_free_obsolete_time = config_get_number(CONFIG_SECTION_GLOBAL, "cleanup obsolete charts after seconds", rrdset_free_obsolete_time);
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gap_when_lost_iterations_above = (int)config_get_number(CONFIG_SECTION_GLOBAL, "gap when lost iterations above", gap_when_lost_iterations_above);
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if (gap_when_lost_iterations_above < 1)
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gap_when_lost_iterations_above = 1;
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health_init();
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registry_init();
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rrdpush_init();
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debug(D_RRDHOST, "Initializing localhost with hostname '%s'", hostname);
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rrd_wrlock();
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localhost = rrdhost_create(
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hostname
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, registry_get_this_machine_hostname()
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, registry_get_this_machine_guid()
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, os_type
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, netdata_configured_timezone
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, config_get(CONFIG_SECTION_BACKEND, "host tags", "")
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, program_name
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, program_version
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, default_rrd_update_every
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, default_rrd_history_entries
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, default_rrd_memory_mode
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, default_health_enabled
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, default_rrdpush_enabled
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, default_rrdpush_destination
|
|
, default_rrdpush_api_key
|
|
, default_rrdpush_send_charts_matching
|
|
, 1
|
|
);
|
|
rrd_unlock();
|
|
web_client_api_v1_management_init();
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// RRDHOST - lock validations
|
|
// there are only used when NETDATA_INTERNAL_CHECKS is set
|
|
|
|
void __rrdhost_check_rdlock(RRDHOST *host, const char *file, const char *function, const unsigned long line) {
|
|
debug(D_RRDHOST, "Checking read lock on host '%s'", host->hostname);
|
|
|
|
int ret = netdata_rwlock_trywrlock(&host->rrdhost_rwlock);
|
|
if(ret == 0)
|
|
fatal("RRDHOST '%s' should be read-locked, but it is not, at function %s() at line %lu of file '%s'", host->hostname, function, line, file);
|
|
}
|
|
|
|
void __rrdhost_check_wrlock(RRDHOST *host, const char *file, const char *function, const unsigned long line) {
|
|
debug(D_RRDHOST, "Checking write lock on host '%s'", host->hostname);
|
|
|
|
int ret = netdata_rwlock_tryrdlock(&host->rrdhost_rwlock);
|
|
if(ret == 0)
|
|
fatal("RRDHOST '%s' should be write-locked, but it is not, at function %s() at line %lu of file '%s'", host->hostname, function, line, file);
|
|
}
|
|
|
|
void __rrd_check_rdlock(const char *file, const char *function, const unsigned long line) {
|
|
debug(D_RRDHOST, "Checking read lock on all RRDs");
|
|
|
|
int ret = netdata_rwlock_trywrlock(&rrd_rwlock);
|
|
if(ret == 0)
|
|
fatal("RRDs should be read-locked, but it are not, at function %s() at line %lu of file '%s'", function, line, file);
|
|
}
|
|
|
|
void __rrd_check_wrlock(const char *file, const char *function, const unsigned long line) {
|
|
debug(D_RRDHOST, "Checking write lock on all RRDs");
|
|
|
|
int ret = netdata_rwlock_tryrdlock(&rrd_rwlock);
|
|
if(ret == 0)
|
|
fatal("RRDs should be write-locked, but it are not, at function %s() at line %lu of file '%s'", function, line, file);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// RRDHOST - free
|
|
|
|
void rrdhost_free(RRDHOST *host) {
|
|
if(!host) return;
|
|
|
|
info("Freeing all memory for host '%s'...", host->hostname);
|
|
|
|
rrd_check_wrlock(); // make sure the RRDs are write locked
|
|
|
|
// stop a possibly running thread
|
|
rrdpush_sender_thread_stop(host);
|
|
|
|
rrdhost_wrlock(host); // lock this RRDHOST
|
|
|
|
// ------------------------------------------------------------------------
|
|
// release its children resources
|
|
|
|
while(host->rrdset_root)
|
|
rrdset_free(host->rrdset_root);
|
|
|
|
while(host->alarms)
|
|
rrdcalc_unlink_and_free(host, host->alarms);
|
|
|
|
while(host->templates)
|
|
rrdcalctemplate_unlink_and_free(host, host->templates);
|
|
|
|
debug(D_RRD_CALLS, "RRDHOST: Cleaning up remaining host variables for host '%s'", host->hostname);
|
|
rrdvar_free_remaining_variables(host, &host->rrdvar_root_index);
|
|
|
|
health_alarm_log_free(host);
|
|
|
|
// ------------------------------------------------------------------------
|
|
// remove it from the indexes
|
|
|
|
if(rrdhost_index_del(host) != host)
|
|
error("RRDHOST '%s' removed from index, deleted the wrong entry.", host->hostname);
|
|
|
|
|
|
// ------------------------------------------------------------------------
|
|
// unlink it from the host
|
|
|
|
if(host == localhost) {
|
|
localhost = host->next;
|
|
}
|
|
else {
|
|
// find the previous one
|
|
RRDHOST *h;
|
|
for(h = localhost; h && h->next != host ; h = h->next) ;
|
|
|
|
// bypass it
|
|
if(h) h->next = host->next;
|
|
else error("Request to free RRDHOST '%s': cannot find it", host->hostname);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
// free it
|
|
|
|
freez((void *)host->tags);
|
|
freez((void *)host->os);
|
|
freez((void *)host->timezone);
|
|
freez(host->program_version);
|
|
freez(host->program_name);
|
|
freez(host->cache_dir);
|
|
freez(host->varlib_dir);
|
|
freez(host->rrdpush_send_api_key);
|
|
freez(host->rrdpush_send_destination);
|
|
freez(host->health_default_exec);
|
|
freez(host->health_default_recipient);
|
|
freez(host->health_log_filename);
|
|
freez(host->hostname);
|
|
freez(host->registry_hostname);
|
|
simple_pattern_free(host->rrdpush_send_charts_matching);
|
|
rrdhost_unlock(host);
|
|
netdata_rwlock_destroy(&host->health_log.alarm_log_rwlock);
|
|
netdata_rwlock_destroy(&host->rrdhost_rwlock);
|
|
freez(host);
|
|
|
|
rrd_hosts_available--;
|
|
}
|
|
|
|
void rrdhost_free_all(void) {
|
|
rrd_wrlock();
|
|
while(localhost) rrdhost_free(localhost);
|
|
rrd_unlock();
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// RRDHOST - save host files
|
|
|
|
void rrdhost_save_charts(RRDHOST *host) {
|
|
if(!host) return;
|
|
|
|
info("Saving/Closing database of host '%s'...", host->hostname);
|
|
|
|
RRDSET *st;
|
|
|
|
// we get a write lock
|
|
// to ensure only one thread is saving the database
|
|
rrdhost_wrlock(host);
|
|
|
|
rrdset_foreach_write(st, host) {
|
|
rrdset_rdlock(st);
|
|
rrdset_save(st);
|
|
rrdset_unlock(st);
|
|
}
|
|
|
|
rrdhost_unlock(host);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// RRDHOST - delete host files
|
|
|
|
void rrdhost_delete_charts(RRDHOST *host) {
|
|
if(!host) return;
|
|
|
|
info("Deleting database of host '%s'...", host->hostname);
|
|
|
|
RRDSET *st;
|
|
|
|
// we get a write lock
|
|
// to ensure only one thread is saving the database
|
|
rrdhost_wrlock(host);
|
|
|
|
rrdset_foreach_write(st, host) {
|
|
rrdset_rdlock(st);
|
|
rrdset_delete(st);
|
|
rrdset_unlock(st);
|
|
}
|
|
|
|
recursively_delete_dir(host->cache_dir, "left over host");
|
|
|
|
rrdhost_unlock(host);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// RRDHOST - cleanup host files
|
|
|
|
void rrdhost_cleanup_charts(RRDHOST *host) {
|
|
if(!host) return;
|
|
|
|
info("Cleaning up database of host '%s'...", host->hostname);
|
|
|
|
RRDSET *st;
|
|
uint32_t rrdhost_delete_obsolete_charts = rrdhost_flag_check(host, RRDHOST_FLAG_DELETE_OBSOLETE_CHARTS);
|
|
|
|
// we get a write lock
|
|
// to ensure only one thread is saving the database
|
|
rrdhost_wrlock(host);
|
|
|
|
rrdset_foreach_write(st, host) {
|
|
rrdset_rdlock(st);
|
|
|
|
if(rrdhost_delete_obsolete_charts && rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE))
|
|
rrdset_delete(st);
|
|
else
|
|
rrdset_save(st);
|
|
|
|
rrdset_unlock(st);
|
|
}
|
|
|
|
rrdhost_unlock(host);
|
|
}
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// RRDHOST - save all hosts to disk
|
|
|
|
void rrdhost_save_all(void) {
|
|
info("Saving database [%zu hosts(s)]...", rrd_hosts_available);
|
|
|
|
rrd_rdlock();
|
|
|
|
RRDHOST *host;
|
|
rrdhost_foreach_read(host)
|
|
rrdhost_save_charts(host);
|
|
|
|
rrd_unlock();
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// RRDHOST - save or delete all hosts from disk
|
|
|
|
void rrdhost_cleanup_all(void) {
|
|
info("Cleaning up database [%zu hosts(s)]...", rrd_hosts_available);
|
|
|
|
rrd_rdlock();
|
|
|
|
RRDHOST *host;
|
|
rrdhost_foreach_read(host) {
|
|
if(host != localhost && rrdhost_flag_check(host, RRDHOST_FLAG_DELETE_OBSOLETE_CHARTS) && !host->connected_senders)
|
|
rrdhost_delete_charts(host);
|
|
else
|
|
rrdhost_cleanup_charts(host);
|
|
}
|
|
|
|
rrd_unlock();
|
|
}
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// RRDHOST - save or delete all the host charts from disk
|
|
|
|
void rrdhost_cleanup_obsolete_charts(RRDHOST *host) {
|
|
time_t now = now_realtime_sec();
|
|
|
|
RRDSET *st;
|
|
|
|
uint32_t rrdhost_delete_obsolete_charts = rrdhost_flag_check(host, RRDHOST_FLAG_DELETE_OBSOLETE_CHARTS);
|
|
|
|
restart_after_removal:
|
|
rrdset_foreach_write(st, host) {
|
|
if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE)
|
|
&& st->last_accessed_time + rrdset_free_obsolete_time < now
|
|
&& st->last_updated.tv_sec + rrdset_free_obsolete_time < now
|
|
&& st->last_collected_time.tv_sec + rrdset_free_obsolete_time < now
|
|
)) {
|
|
|
|
rrdset_rdlock(st);
|
|
|
|
if(rrdhost_delete_obsolete_charts)
|
|
rrdset_delete(st);
|
|
else
|
|
rrdset_save(st);
|
|
|
|
rrdset_unlock(st);
|
|
|
|
rrdset_free(st);
|
|
goto restart_after_removal;
|
|
}
|
|
}
|
|
}
|