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authorDaniel Baumann <daniel.baumann@progress-linux.org>2023-02-06 16:11:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2023-02-06 16:11:30 +0000
commitaa2fe8ccbfcb117efa207d10229eeeac5d0f97c7 (patch)
tree941cbdd387b41c1a81587c20a6df9f0e5e0ff7ab /health/health_log.c
parentAdding upstream version 1.37.1. (diff)
downloadnetdata-aa2fe8ccbfcb117efa207d10229eeeac5d0f97c7.tar.xz
netdata-aa2fe8ccbfcb117efa207d10229eeeac5d0f97c7.zip
Adding upstream version 1.38.0.upstream/1.38.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'health/health_log.c')
-rw-r--r--health/health_log.c426
1 files changed, 1 insertions, 425 deletions
diff --git a/health/health_log.c b/health/health_log.c
index 8105e01ae..d3417493b 100644
--- a/health/health_log.c
+++ b/health/health_log.c
@@ -3,149 +3,10 @@
#include "health.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'.", rrdhost_hostname(host), 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.", rrdhost_hostname(host), host->health_log_filename);
- return -1;
-}
-
-static inline void health_alarm_log_close(RRDHOST *host) {
- if(host->health_log_fp) {
- fclose(host->health_log_fp);
- host->health_log_fp = NULL;
- }
-}
-
-static 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)) {
- if(unlikely(host->health_log_fp)) {
- 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'", rrdhost_hostname(host), old_filename);
-
- if(link(host->health_log_filename, old_filename) == -1 && errno != ENOENT)
- error("HEALTH [%s]: cannot move file '%s' to '%s'.", rrdhost_hostname(host), 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'", rrdhost_hostname(host), 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'", rrdhost_hostname(host), host->health_log_filename);
-
- host->health_log_fp = NULL;
-
- host->health_log_entries_written = 0;
- health_alarm_log_open(host);
- }
- }
-}
-
-inline void health_label_log_save(RRDHOST *host) {
- health_log_rotate(host);
-
- if(unlikely(host->health_log_fp)) {
- BUFFER *wb = buffer_create(1024);
-
- rrdlabels_to_buffer(localhost->rrdlabels, wb, "", "=", "", "\t ", NULL, NULL, NULL, NULL);
- char *write = (char *) buffer_tostring(wb);
-
- if (unlikely(fprintf(host->health_log_fp, "L\t%s", write) < 0))
- error("HEALTH [%s]: failed to save alarm log entry to '%s'. Health data may be lost in case of abnormal restart.",
- rrdhost_hostname(host), host->health_log_filename);
- else
- host->health_log_entries_written++;
-
- buffer_free(wb);
- }
-}
inline void health_alarm_log_save(RRDHOST *host, ALARM_ENTRY *ae) {
- health_log_rotate(host);
- if(unlikely(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" NETDATA_DOUBLE_FORMAT_AUTO "\t" NETDATA_DOUBLE_FORMAT_AUTO
- "\t%016"PRIx64""
- "\t%s\t%s\t%s"
- "\n"
- , (ae->flags & HEALTH_ENTRY_FLAG_SAVED)?'U':'A'
- , rrdhost_hostname(host)
-
- , 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)
- , ae_chart_name(ae)
- , ae_family(ae)
- , ae_exec(ae)
- , ae_recipient(ae)
- , ae_source(ae)
- , ae_units(ae)
- , ae_info(ae)
- , ae->exec_code
- , ae->new_status
- , ae->old_status
- , ae->delay
-
- , ae->new_value
- , ae->old_value
- , (uint64_t)ae->last_repeat
- , (ae->classification)?ae_classification(ae):"Unknown"
- , (ae->component)?ae_component(ae):"Unknown"
- , (ae->type)?ae_type(ae):"Unknown"
- ) < 0))
- error("HEALTH [%s]: failed to save alarm log entry to '%s'. Health data may be lost in case of abnormal restart.", rrdhost_hostname(host), host->health_log_filename);
- else {
- ae->flags |= HEALTH_ENTRY_FLAG_SAVED;
- host->health_log_entries_written++;
- }
- }else
- sql_health_alarm_log_save(host, ae);
+ sql_health_alarm_log_save(host, ae);
#ifdef ENABLE_ACLK
if (netdata_cloud_setting) {
@@ -154,291 +15,6 @@ inline void health_alarm_log_save(RRDHOST *host, ALARM_ENTRY *ae) {
#endif
}
-static uint32_t is_valid_alarm_id(RRDHOST *host, const char *chart, const char *name, uint32_t alarm_id)
-{
- STRING *chart_string = string_strdupz(chart);
- STRING *name_string = string_strdupz(name);
-
- uint32_t ret = 1;
-
- ALARM_ENTRY *ae;
- for(ae = host->health_log.alarms; ae ;ae = ae->next) {
- if (unlikely(ae->alarm_id == alarm_id && (!(chart_string == ae->chart && name_string == ae->name)))) {
- ret = 0;
- break;
- }
- }
-
- string_freez(chart_string);
- string_freez(name_string);
-
- return ret;
-}
-
-static 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;
-
- DICTIONARY *all_rrdcalcs = dictionary_create(
- DICT_OPTION_NAME_LINK_DONT_CLONE | DICT_OPTION_VALUE_LINK_DONT_CLONE | DICT_OPTION_DONT_OVERWRITE_VALUE);
- RRDCALC *rc;
- foreach_rrdcalc_in_rrdhost_read(host, rc) {
- dictionary_set(all_rrdcalcs, rrdcalc_name(rc), rc, sizeof(*rc));
- }
- foreach_rrdcalc_in_rrdhost_done(rc);
-
- 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 = 33, 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.", rrdhost_hostname(host), line, filename, max_entries);
- break;
- }
- }
- else s++;
- }
-
- if(likely(*pointers[0] == 'L'))
- continue;
-
- if(likely(*pointers[0] == 'U' || *pointers[0] == 'A')) {
- ALARM_ENTRY *ae = NULL;
-
- if(entries < 27) {
- error("HEALTH [%s]: line %zu of file '%s' should have at least 27 entries, but it has %d. Ignoring it.", rrdhost_hostname(host), 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.", rrdhost_hostname(host), 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.", rrdhost_hostname(host), line, filename, alarm_id, pointers[3]);
- errored++;
- continue;
- }
-
- // Check if we got last_repeat field
- time_t last_repeat = 0;
- if(entries > 27) {
- char* alarm_name = pointers[13];
- last_repeat = (time_t)strtoul(pointers[27], NULL, 16);
-
- rc = dictionary_get(all_rrdcalcs, alarm_name);
- if(unlikely(rc)) {
- if (rrdcalc_isrepeating(rc)) {
- rc->last_repeat = last_repeat;
- // We iterate through repeating alarm entries only to
- // find the latest last_repeat timestamp. Otherwise,
- // there is no need to keep them in memory.
- 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."
- , rrdhost_hostname(host), 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."
- , rrdhost_hostname(host), 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 mismatch
- //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;
- if (!is_valid_alarm_id(host, pointers[14], pointers[13], alarm_id)) {
- STRING *chart = string_strdupz(pointers[14]);
- STRING *name = string_strdupz(pointers[13]);
- alarm_id = rrdcalc_get_unique_id(host, chart, name, NULL);
- string_freez(chart);
- string_freez(name);
- }
- 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);
-
- string_freez(ae->name);
- ae->name = string_strdupz(pointers[13]);
-
- string_freez(ae->chart);
- ae->chart = string_strdupz(pointers[14]);
-
- string_freez(ae->family);
- ae->family = string_strdupz(pointers[15]);
-
- string_freez(ae->exec);
- ae->exec = string_strdupz(pointers[16]);
-
- string_freez(ae->recipient);
- ae->recipient = string_strdupz(pointers[17]);
-
- string_freez(ae->source);
- ae->source = string_strdupz(pointers[18]);
-
- string_freez(ae->units);
- ae->units = string_strdupz(pointers[19]);
-
- string_freez(ae->info);
- ae->info = string_strdupz(pointers[20]);
-
- 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]);
-
- ae->last_repeat = last_repeat;
-
- if (likely(entries > 30)) {
- string_freez(ae->classification);
- ae->classification = string_strdupz(pointers[28]);
-
- string_freez(ae->component);
- ae->component = string_strdupz(pointers[29]);
-
- string_freez(ae->type);
- ae->type = string_strdupz(pointers[30]);
- }
-
- char value_string[100 + 1];
- string_freez(ae->old_value_string);
- string_freez(ae->new_value_string);
- ae->old_value_string = string_strdupz(format_value_and_unit(value_string, 100, ae->old_value, ae_units(ae), -1));
- ae->new_value_string = string_strdupz(format_value_and_unit(value_string, 100, ae->new_value, ae_units(ae), -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;
- sql_health_alarm_log_insert(host, ae);
- loaded++;
- }
- else {
- sql_health_alarm_log_update(host, ae);
- 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').", rrdhost_hostname(host), line, filename, pointers[0]);
- errored++;
- }
- }
-
- netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock);
-
- dictionary_destroy(all_rrdcalcs);
- all_rrdcalcs = NULL;
-
- 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;
- if (unlikely(!host->health_log.next_alarm_id || host->health_log.next_alarm_id <= host->health_max_alarm_id))
- 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", rrdhost_hostname(host), 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", rrdhost_hostname(host), 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", rrdhost_hostname(host), host->health_log_filename);
- else {
- health_alarm_log_read(host, fp, host->health_log_filename);
- fclose(fp);
- }
-}
-
-
// ----------------------------------------------------------------------------
// health alarm log management