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-rw-r--r--src/health_log.c463
1 files changed, 0 insertions, 463 deletions
diff --git a/src/health_log.c b/src/health_log.c
deleted file mode 100644
index a44fbadb0..000000000
--- a/src/health_log.c
+++ /dev/null
@@ -1,463 +0,0 @@
-#define NETDATA_HEALTH_INTERNALS
-#include "common.h"
-
-// ----------------------------------------------------------------------------
-// health alarm log load/save
-// no need for locking - only one thread is reading / writing the alarms log
-
-inline int health_alarm_log_open(RRDHOST *host) {
- if(host->health_log_fp)
- fclose(host->health_log_fp);
-
- host->health_log_fp = fopen(host->health_log_filename, "a");
-
- if(host->health_log_fp) {
- if (setvbuf(host->health_log_fp, NULL, _IOLBF, 0) != 0)
- error("HEALTH [%s]: cannot set line buffering on health log file '%s'.", host->hostname, host->health_log_filename);
- return 0;
- }
-
- error("HEALTH [%s]: cannot open health log file '%s'. Health data will be lost in case of netdata or server crash.", host->hostname, host->health_log_filename);
- return -1;
-}
-
-inline void health_alarm_log_close(RRDHOST *host) {
- if(host->health_log_fp) {
- fclose(host->health_log_fp);
- host->health_log_fp = NULL;
- }
-}
-
-inline void health_log_rotate(RRDHOST *host) {
- static size_t rotate_every = 0;
-
- if(unlikely(rotate_every == 0)) {
- rotate_every = (size_t)config_get_number(CONFIG_SECTION_HEALTH, "rotate log every lines", 2000);
- if(rotate_every < 100) rotate_every = 100;
- }
-
- if(unlikely(host->health_log_entries_written > rotate_every)) {
- health_alarm_log_close(host);
-
- char old_filename[FILENAME_MAX + 1];
- snprintfz(old_filename, FILENAME_MAX, "%s.old", host->health_log_filename);
-
- if(unlink(old_filename) == -1 && errno != ENOENT)
- error("HEALTH [%s]: cannot remove old alarms log file '%s'", host->hostname, old_filename);
-
- if(link(host->health_log_filename, old_filename) == -1 && errno != ENOENT)
- error("HEALTH [%s]: cannot move file '%s' to '%s'.", host->hostname, host->health_log_filename, old_filename);
-
- if(unlink(host->health_log_filename) == -1 && errno != ENOENT)
- error("HEALTH [%s]: cannot remove old alarms log file '%s'", host->hostname, host->health_log_filename);
-
- // open it with truncate
- host->health_log_fp = fopen(host->health_log_filename, "w");
-
- if(host->health_log_fp)
- fclose(host->health_log_fp);
- else
- error("HEALTH [%s]: cannot truncate health log '%s'", host->hostname, host->health_log_filename);
-
- host->health_log_fp = NULL;
-
- host->health_log_entries_written = 0;
- health_alarm_log_open(host);
- }
-}
-
-inline void health_alarm_log_save(RRDHOST *host, ALARM_ENTRY *ae) {
- health_log_rotate(host);
-
- if(likely(host->health_log_fp)) {
- if(unlikely(fprintf(host->health_log_fp
- , "%c\t%s"
- "\t%08x\t%08x\t%08x\t%08x\t%08x"
- "\t%08x\t%08x\t%08x"
- "\t%08x\t%08x\t%08x"
- "\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s"
- "\t%d\t%d\t%d\t%d"
- "\t" CALCULATED_NUMBER_FORMAT_AUTO "\t" CALCULATED_NUMBER_FORMAT_AUTO
- "\n"
- , (ae->flags & HEALTH_ENTRY_FLAG_SAVED)?'U':'A'
- , host->hostname
-
- , ae->unique_id
- , ae->alarm_id
- , ae->alarm_event_id
- , ae->updated_by_id
- , ae->updates_id
-
- , (uint32_t)ae->when
- , (uint32_t)ae->duration
- , (uint32_t)ae->non_clear_duration
- , (uint32_t)ae->flags
- , (uint32_t)ae->exec_run_timestamp
- , (uint32_t)ae->delay_up_to_timestamp
-
- , (ae->name)?ae->name:""
- , (ae->chart)?ae->chart:""
- , (ae->family)?ae->family:""
- , (ae->exec)?ae->exec:""
- , (ae->recipient)?ae->recipient:""
- , (ae->source)?ae->source:""
- , (ae->units)?ae->units:""
- , (ae->info)?ae->info:""
-
- , ae->exec_code
- , ae->new_status
- , ae->old_status
- , ae->delay
-
- , ae->new_value
- , ae->old_value
- ) < 0))
- error("HEALTH [%s]: failed to save alarm log entry to '%s'. Health data may be lost in case of abnormal restart.", host->hostname, host->health_log_filename);
- else {
- ae->flags |= HEALTH_ENTRY_FLAG_SAVED;
- host->health_log_entries_written++;
- }
- }
-}
-
-inline ssize_t health_alarm_log_read(RRDHOST *host, FILE *fp, const char *filename) {
- errno = 0;
-
- char *s, *buf = mallocz(65536 + 1);
- size_t line = 0, len = 0;
- ssize_t loaded = 0, updated = 0, errored = 0, duplicate = 0;
-
- netdata_rwlock_rdlock(&host->health_log.alarm_log_rwlock);
-
- while((s = fgets_trim_len(buf, 65536, fp, &len))) {
- host->health_log_entries_written++;
- line++;
-
- int max_entries = 30, entries = 0;
- char *pointers[max_entries];
-
- pointers[entries++] = s++;
- while(*s) {
- if(unlikely(*s == '\t')) {
- *s = '\0';
- pointers[entries++] = ++s;
- if(entries >= max_entries) {
- error("HEALTH [%s]: line %zu of file '%s' has more than %d entries. Ignoring excessive entries.", host->hostname, line, filename, max_entries);
- break;
- }
- }
- else s++;
- }
-
- if(likely(*pointers[0] == 'U' || *pointers[0] == 'A')) {
- ALARM_ENTRY *ae = NULL;
-
- if(entries < 26) {
- error("HEALTH [%s]: line %zu of file '%s' should have at least 26 entries, but it has %d. Ignoring it.", host->hostname, line, filename, entries);
- errored++;
- continue;
- }
-
- // check that we have valid ids
- uint32_t unique_id = (uint32_t)strtoul(pointers[2], NULL, 16);
- if(!unique_id) {
- error("HEALTH [%s]: line %zu of file '%s' states alarm entry with invalid unique id %u (%s). Ignoring it.", host->hostname, line, filename, unique_id, pointers[2]);
- errored++;
- continue;
- }
-
- uint32_t alarm_id = (uint32_t)strtoul(pointers[3], NULL, 16);
- if(!alarm_id) {
- error("HEALTH [%s]: line %zu of file '%s' states alarm entry for invalid alarm id %u (%s). Ignoring it.", host->hostname, line, filename, alarm_id, pointers[3]);
- errored++;
- continue;
- }
-
- if(unlikely(*pointers[0] == 'A')) {
- // make sure it is properly numbered
- if(unlikely(host->health_log.alarms && unique_id < host->health_log.alarms->unique_id)) {
- error("HEALTH [%s]: line %zu of file '%s' has alarm log entry %u in wrong order. Ignoring it.", host->hostname, line, filename, unique_id);
- errored++;
- continue;
- }
-
- ae = callocz(1, sizeof(ALARM_ENTRY));
- }
- else if(unlikely(*pointers[0] == 'U')) {
- // find the original
- for(ae = host->health_log.alarms; ae; ae = ae->next) {
- if(unlikely(unique_id == ae->unique_id)) {
- if(unlikely(*pointers[0] == 'A')) {
- error("HEALTH [%s]: line %zu of file '%s' adds duplicate alarm log entry %u. Using the later."
- , host->hostname, line, filename, unique_id);
- *pointers[0] = 'U';
- duplicate++;
- }
- break;
- }
- else if(unlikely(unique_id > ae->unique_id)) {
- // no need to continue
- // the linked list is sorted
- ae = NULL;
- break;
- }
- }
- }
-
- // if not found, skip this line
- if(unlikely(!ae)) {
- // error("HEALTH [%s]: line %zu of file '%s' updates alarm log entry with unique id %u, but it is not found.", host->hostname, line, filename, unique_id);
- continue;
- }
-
- // check for a possible host missmatch
- //if(strcmp(pointers[1], host->hostname))
- // error("HEALTH [%s]: line %zu of file '%s' provides an alarm for host '%s' but this is named '%s'.", host->hostname, line, filename, pointers[1], host->hostname);
-
- ae->unique_id = unique_id;
- ae->alarm_id = alarm_id;
- ae->alarm_event_id = (uint32_t)strtoul(pointers[4], NULL, 16);
- ae->updated_by_id = (uint32_t)strtoul(pointers[5], NULL, 16);
- ae->updates_id = (uint32_t)strtoul(pointers[6], NULL, 16);
-
- ae->when = (uint32_t)strtoul(pointers[7], NULL, 16);
- ae->duration = (uint32_t)strtoul(pointers[8], NULL, 16);
- ae->non_clear_duration = (uint32_t)strtoul(pointers[9], NULL, 16);
-
- ae->flags = (uint32_t)strtoul(pointers[10], NULL, 16);
- ae->flags |= HEALTH_ENTRY_FLAG_SAVED;
-
- ae->exec_run_timestamp = (uint32_t)strtoul(pointers[11], NULL, 16);
- ae->delay_up_to_timestamp = (uint32_t)strtoul(pointers[12], NULL, 16);
-
- freez(ae->name);
- ae->name = strdupz(pointers[13]);
- ae->hash_name = simple_hash(ae->name);
-
- freez(ae->chart);
- ae->chart = strdupz(pointers[14]);
- ae->hash_chart = simple_hash(ae->chart);
-
- freez(ae->family);
- ae->family = strdupz(pointers[15]);
-
- freez(ae->exec);
- ae->exec = strdupz(pointers[16]);
- if(!*ae->exec) { freez(ae->exec); ae->exec = NULL; }
-
- freez(ae->recipient);
- ae->recipient = strdupz(pointers[17]);
- if(!*ae->recipient) { freez(ae->recipient); ae->recipient = NULL; }
-
- freez(ae->source);
- ae->source = strdupz(pointers[18]);
- if(!*ae->source) { freez(ae->source); ae->source = NULL; }
-
- freez(ae->units);
- ae->units = strdupz(pointers[19]);
- if(!*ae->units) { freez(ae->units); ae->units = NULL; }
-
- freez(ae->info);
- ae->info = strdupz(pointers[20]);
- if(!*ae->info) { freez(ae->info); ae->info = NULL; }
-
- ae->exec_code = str2i(pointers[21]);
- ae->new_status = str2i(pointers[22]);
- ae->old_status = str2i(pointers[23]);
- ae->delay = str2i(pointers[24]);
-
- ae->new_value = str2l(pointers[25]);
- ae->old_value = str2l(pointers[26]);
-
- char value_string[100 + 1];
- freez(ae->old_value_string);
- freez(ae->new_value_string);
- ae->old_value_string = strdupz(format_value_and_unit(value_string, 100, ae->old_value, ae->units, -1));
- ae->new_value_string = strdupz(format_value_and_unit(value_string, 100, ae->new_value, ae->units, -1));
-
- // add it to host if not already there
- if(unlikely(*pointers[0] == 'A')) {
- ae->next = host->health_log.alarms;
- host->health_log.alarms = ae;
- loaded++;
- }
- else updated++;
-
- if(unlikely(ae->unique_id > host->health_max_unique_id))
- host->health_max_unique_id = ae->unique_id;
-
- if(unlikely(ae->alarm_id >= host->health_max_alarm_id))
- host->health_max_alarm_id = ae->alarm_id;
- }
- else {
- error("HEALTH [%s]: line %zu of file '%s' is invalid (unrecognized entry type '%s').", host->hostname, line, filename, pointers[0]);
- errored++;
- }
- }
-
- netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock);
-
- freez(buf);
-
- if(!host->health_max_unique_id) host->health_max_unique_id = (uint32_t)now_realtime_sec();
- if(!host->health_max_alarm_id) host->health_max_alarm_id = (uint32_t)now_realtime_sec();
-
- host->health_log.next_log_id = host->health_max_unique_id + 1;
- host->health_log.next_alarm_id = host->health_max_alarm_id + 1;
-
- debug(D_HEALTH, "HEALTH [%s]: loaded file '%s' with %zd new alarm entries, updated %zd alarms, errors %zd entries, duplicate %zd", host->hostname, filename, loaded, updated, errored, duplicate);
- return loaded;
-}
-
-inline void health_alarm_log_load(RRDHOST *host) {
- health_alarm_log_close(host);
-
- char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s.old", host->health_log_filename);
- FILE *fp = fopen(filename, "r");
- if(!fp)
- error("HEALTH [%s]: cannot open health file: %s", host->hostname, filename);
- else {
- health_alarm_log_read(host, fp, filename);
- fclose(fp);
- }
-
- host->health_log_entries_written = 0;
- fp = fopen(host->health_log_filename, "r");
- if(!fp)
- error("HEALTH [%s]: cannot open health file: %s", host->hostname, host->health_log_filename);
- else {
- health_alarm_log_read(host, fp, host->health_log_filename);
- fclose(fp);
- }
-
- health_alarm_log_open(host);
-}
-
-
-// ----------------------------------------------------------------------------
-// health alarm log management
-
-inline void health_alarm_log(
- RRDHOST *host,
- uint32_t alarm_id,
- uint32_t alarm_event_id,
- time_t when,
- const char *name,
- const char *chart,
- const char *family,
- const char *exec,
- const char *recipient,
- time_t duration,
- calculated_number old_value,
- calculated_number new_value,
- RRDCALC_STATUS old_status,
- RRDCALC_STATUS new_status,
- const char *source,
- const char *units,
- const char *info,
- int delay,
- uint32_t flags
-) {
- debug(D_HEALTH, "Health adding alarm log entry with id: %u", host->health_log.next_log_id);
-
- ALARM_ENTRY *ae = callocz(1, sizeof(ALARM_ENTRY));
- ae->name = strdupz(name);
- ae->hash_name = simple_hash(ae->name);
-
- if(chart) {
- ae->chart = strdupz(chart);
- ae->hash_chart = simple_hash(ae->chart);
- }
-
- if(family)
- ae->family = strdupz(family);
-
- if(exec) ae->exec = strdupz(exec);
- if(recipient) ae->recipient = strdupz(recipient);
- if(source) ae->source = strdupz(source);
- if(units) ae->units = strdupz(units);
- if(info) ae->info = strdupz(info);
-
- ae->unique_id = host->health_log.next_log_id++;
- ae->alarm_id = alarm_id;
- ae->alarm_event_id = alarm_event_id;
- ae->when = when;
- ae->old_value = old_value;
- ae->new_value = new_value;
-
- char value_string[100 + 1];
- ae->old_value_string = strdupz(format_value_and_unit(value_string, 100, ae->old_value, ae->units, -1));
- ae->new_value_string = strdupz(format_value_and_unit(value_string, 100, ae->new_value, ae->units, -1));
-
- ae->old_status = old_status;
- ae->new_status = new_status;
- ae->duration = duration;
- ae->delay = delay;
- ae->delay_up_to_timestamp = when + delay;
-
- ae->flags |= flags;
-
- if(ae->old_status == RRDCALC_STATUS_WARNING || ae->old_status == RRDCALC_STATUS_CRITICAL)
- ae->non_clear_duration += ae->duration;
-
- // link it
- netdata_rwlock_wrlock(&host->health_log.alarm_log_rwlock);
- ae->next = host->health_log.alarms;
- host->health_log.alarms = ae;
- host->health_log.count++;
- netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock);
-
- // match previous alarms
- netdata_rwlock_rdlock(&host->health_log.alarm_log_rwlock);
- ALARM_ENTRY *t;
- for(t = host->health_log.alarms ; t ; t = t->next) {
- if(t != ae && t->alarm_id == ae->alarm_id) {
- if(!(t->flags & HEALTH_ENTRY_FLAG_UPDATED) && !t->updated_by_id) {
- t->flags |= HEALTH_ENTRY_FLAG_UPDATED;
- t->updated_by_id = ae->unique_id;
- ae->updates_id = t->unique_id;
-
- if((t->new_status == RRDCALC_STATUS_WARNING || t->new_status == RRDCALC_STATUS_CRITICAL) &&
- (t->old_status == RRDCALC_STATUS_WARNING || t->old_status == RRDCALC_STATUS_CRITICAL))
- ae->non_clear_duration += t->non_clear_duration;
-
- health_alarm_log_save(host, t);
- }
-
- // no need to continue
- break;
- }
- }
- netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock);
-
- health_alarm_log_save(host, ae);
-}
-
-inline void health_alarm_log_free_one_nochecks_nounlink(ALARM_ENTRY *ae) {
- freez(ae->name);
- freez(ae->chart);
- freez(ae->family);
- freez(ae->exec);
- freez(ae->recipient);
- freez(ae->source);
- freez(ae->units);
- freez(ae->info);
- freez(ae->old_value_string);
- freez(ae->new_value_string);
- freez(ae);
-}
-
-inline void health_alarm_log_free(RRDHOST *host) {
- rrdhost_check_wrlock(host);
-
- netdata_rwlock_wrlock(&host->health_log.alarm_log_rwlock);
-
- ALARM_ENTRY *ae;
- while((ae = host->health_log.alarms)) {
- host->health_log.alarms = ae->next;
- health_alarm_log_free_one_nochecks_nounlink(ae);
- }
-
- netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock);
-}