#define RRDVAR_MAX_LENGTH 1024
-static const char *health_default_exec = PLUGINS_DIR "/alarm.sh";
-int health_enabled = 1;
+struct health_options {
+ const char *health_default_exec;
+ const char *health_default_recipient;
+ const char *log_filename;
+ size_t log_entries_written;
+ FILE *log_fp;
+};
-ALARM_LOG health_log = {
- .nextid = 0,
- .count = 0,
- .max = 1000,
- .alarms = NULL
+static struct health_options health = {
+ .health_default_exec = PLUGINS_DIR "/alarm-notify.sh",
+ .health_default_recipient = "root",
+ .log_filename = VARLIB_DIR "/health/alarm_log.db",
+ .log_entries_written = 0,
+ .log_fp = NULL
};
+int health_enabled = 1;
+
+// ----------------------------------------------------------------------------
+// health alarm log load/save
+// no need for locking - only one thread is reading / writing the alarms log
+
+static inline int health_alarm_log_open(void) {
+ if(health.log_fp)
+ fclose(health.log_fp);
+
+ health.log_fp = fopen(health.log_filename, "a");
+
+ if(health.log_fp) {
+ if (setvbuf(health.log_fp, NULL, _IOLBF, 0) != 0)
+ error("Health: cannot set line buffering on health log file.");
+ return 0;
+ }
+
+ error("Health: cannot open health log file '%s'. Health data will be lost in case of netdata or server crash.", health.log_filename);
+ return -1;
+}
+
+static inline void health_alarm_log_close(void) {
+ if(health.log_fp) {
+ fclose(health.log_fp);
+ health.log_fp = NULL;
+ }
+}
+
+static inline void health_log_rotate(void) {
+ static size_t rotate_every = 0;
+
+ if(unlikely(rotate_every == 0)) {
+ rotate_every = (size_t)config_get_number("health", "rotate log every lines", 2000);
+ if(rotate_every < 100) rotate_every = 100;
+ }
+
+ if(unlikely(health.log_entries_written > rotate_every)) {
+ health_alarm_log_close();
+
+ char old_filename[FILENAME_MAX + 1];
+ snprintfz(old_filename, FILENAME_MAX, "%s.old", health.log_filename);
+
+ if(unlink(old_filename) == -1 && errno != ENOENT)
+ error("Health: cannot remove old alarms log file '%s'", old_filename);
+
+ if(link(health.log_filename, old_filename) == -1 && errno != ENOENT)
+ error("Health: cannot move file '%s' to '%s'.", health.log_filename, old_filename);
+
+ if(unlink(health.log_filename) == -1 && errno != ENOENT)
+ error("Health: cannot remove old alarms log file '%s'", health.log_filename);
+
+ // open it with truncate
+ health.log_fp = fopen(health.log_filename, "w");
+
+ if(health.log_fp)
+ fclose(health.log_fp);
+ else
+ error("Health: cannot truncate health log '%s'", health.log_filename);
+
+ health.log_fp = NULL;
+
+ health.log_entries_written = 0;
+ health_alarm_log_open();
+ }
+}
+
+static inline void health_alarm_log_save(RRDHOST *host, ALARM_ENTRY *ae) {
+ health_log_rotate();
+
+ if(likely(health.log_fp)) {
+ if(unlikely(fprintf(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%Lf\t%Lf"
+ "\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
+
+ , (long double)ae->new_value
+ , (long double)ae->old_value
+ ) < 0))
+ error("Health: failed to save alarm log entry. Health data may be lost in case of abnormal restart.");
+ else {
+ ae->flags |= HEALTH_ENTRY_FLAG_SAVED;
+ health.log_entries_written++;
+ }
+ }
+}
+
+static inline ssize_t health_alarm_log_read(RRDHOST *host, FILE *fp, const char *filename) {
+ static uint32_t max_unique_id = 0, max_alarm_id = 0;
+ ssize_t loaded = -1, updated = -1, errored = -1, duplicate = -1;
+
+ errno = 0;
+
+ char *s, *buf = mallocz(65536 + 1);
+ size_t line = 0, len = 0;
+ loaded = updated = errored = duplicate = 0;
+
+ pthread_rwlock_rdlock(&host->health_log.alarm_log_rwlock);
+
+ while((s = fgets_trim_len(buf, 65536, fp, &len))) {
+ 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: line %zu of file '%s' has more than %d entries. Ignoring excessive entries.", line, filename, max_entries);
+ break;
+ }
+ }
+ else s++;
+ }
+
+ if(likely(*pointers[0] == 'U' || *pointers[0] == 'A')) {
+ ALARM_ENTRY *ae = NULL;
+
+ if(entries < 26) {
+ error("Health: line %zu of file '%s' should have at least 26 entries, but it has %d. Ignoring it.", 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: line %zu of file '%s' states alarm entry with invalid unique id %u (%s). Ignoring it.", line, filename, unique_id, pointers[2]);
+ errored++;
+ continue;
+ }
+
+ uint32_t alarm_id = (uint32_t)strtoul(pointers[3], NULL, 16);
+ if(!alarm_id) {
+ error("Health: line %zu of file '%s' states alarm entry for invalid alarm id %u (%s). Ignoring it.", 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: line %zu of file '%s' has alarm log entry with %u in wrong order. Ignoring it.", 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: line %zu of file '%s' adds duplicate alarm log entry with unique id %u. Using the later."
+ , 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(!ae) {
+ // error("Health: line %zu of file '%s' updates alarm log entry with unique id %u, but it is not found.", line, filename, unique_id);
+ continue;
+ }
+ }
+
+ // check for a possible host missmatch
+ //if(strcmp(pointers[1], host->hostname))
+ // error("Health: line %zu of file '%s' provides an alarm for host '%s' but this is named '%s'.", 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);
+
+ if(unlikely(ae->name)) freez(ae->name);
+ ae->name = strdupz(pointers[13]);
+ ae->hash_name = simple_hash(ae->name);
+
+ if(unlikely(ae->chart)) freez(ae->chart);
+ ae->chart = strdupz(pointers[14]);
+ ae->hash_chart = simple_hash(ae->chart);
+
+ if(unlikely(ae->family)) freez(ae->family);
+ ae->family = strdupz(pointers[15]);
+
+ if(unlikely(ae->exec)) freez(ae->exec);
+ ae->exec = strdupz(pointers[16]);
+ if(!*ae->exec) { freez(ae->exec); ae->exec = NULL; }
+
+ if(unlikely(ae->recipient)) freez(ae->recipient);
+ ae->recipient = strdupz(pointers[17]);
+ if(!*ae->recipient) { freez(ae->recipient); ae->recipient = NULL; }
+
+ if(unlikely(ae->source)) freez(ae->source);
+ ae->source = strdupz(pointers[18]);
+ if(!*ae->source) { freez(ae->source); ae->source = NULL; }
+
+ if(unlikely(ae->units)) freez(ae->units);
+ ae->units = strdupz(pointers[19]);
+ if(!*ae->units) { freez(ae->units); ae->units = NULL; }
+
+ if(unlikely(ae->info)) freez(ae->info);
+ ae->info = strdupz(pointers[20]);
+ if(!*ae->info) { freez(ae->info); ae->info = NULL; }
+
+ ae->exec_code = atoi(pointers[21]);
+ ae->new_status = atoi(pointers[22]);
+ ae->old_status = atoi(pointers[23]);
+ ae->delay = atoi(pointers[24]);
+
+ ae->new_value = strtold(pointers[25], NULL);
+ ae->old_value = strtold(pointers[26], NULL);
+
+ // 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 > max_unique_id))
+ max_unique_id = ae->unique_id;
+
+ if(unlikely(ae->alarm_id >= max_alarm_id))
+ max_alarm_id = ae->alarm_id;
+ }
+ else {
+ error("Health: line %zu of file '%s' is invalid (unrecognized entry type '%s').", line, filename, pointers[0]);
+ errored++;
+ }
+ }
+
+ pthread_rwlock_unlock(&host->health_log.alarm_log_rwlock);
+
+ freez(buf);
+
+ if(!max_unique_id) max_unique_id = (uint32_t)time(NULL);
+ if(!max_alarm_id) max_alarm_id = (uint32_t)time(NULL);
+
+ host->health_log.next_log_id = max_unique_id + 1;
+ host->health_log.next_alarm_id = max_alarm_id + 1;
+
+ debug(D_HEALTH, "Health: loaded file '%s' with %zd new alarm entries, updated %zd alarms, errors %zd entries, duplicate %zd", filename, loaded, updated, errored, duplicate);
+ return loaded;
+}
+
+static inline void health_alarm_log_load(RRDHOST *host) {
+ health_alarm_log_close();
+
+ char filename[FILENAME_MAX + 1];
+ snprintfz(filename, FILENAME_MAX, "%s.old", health.log_filename);
+ FILE *fp = fopen(filename, "r");
+ if(!fp)
+ error("Health: cannot open health file: %s", filename);
+ else {
+ health_alarm_log_read(host, fp, filename);
+ fclose(fp);
+ }
+
+ health.log_entries_written = 0;
+ fp = fopen(health.log_filename, "r");
+ if(!fp)
+ error("Health: cannot open health file: %s", health.log_filename);
+ else {
+ health_alarm_log_read(host, fp, health.log_filename);
+ fclose(fp);
+ }
+
+ health_alarm_log_open();
+}
+
+
+// ----------------------------------------------------------------------------
+// health alarm log management
+
+static 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,
+ int old_status, int new_status,
+ const char *source,
+ const char *units,
+ const char *info,
+ int delay
+) {
+ 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;
+ ae->old_status = old_status;
+ ae->new_status = new_status;
+ ae->duration = duration;
+ ae->delay = delay;
+ ae->delay_up_to_timestamp = when + delay;
+
+ if(ae->old_status == RRDCALC_STATUS_WARNING || ae->old_status == RRDCALC_STATUS_CRITICAL)
+ ae->non_clear_duration += ae->duration;
+
+ // link it
+ pthread_rwlock_wrlock(&host->health_log.alarm_log_rwlock);
+ ae->next = host->health_log.alarms;
+ host->health_log.alarms = ae;
+ host->health_log.count++;
+ pthread_rwlock_unlock(&host->health_log.alarm_log_rwlock);
+
+ // match previous alarms
+ pthread_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;
+ }
+ }
+ pthread_rwlock_unlock(&host->health_log.alarm_log_rwlock);
+
+ health_alarm_log_save(host, ae);
+}
+
// ----------------------------------------------------------------------------
// RRDVAR management
debug(D_HEALTH, "Available local chart '%s' variables:", st->id);
avl_traverse_lock(&st->variables_root_index, dump_variable);
- debug(D_HEALTH, "Available context '%s' variables:", st->rrdfamily->family);
+ debug(D_HEALTH, "Available family '%s' variables:", st->rrdfamily->family);
avl_traverse_lock(&st->rrdfamily->variables_root_index, dump_variable);
debug(D_HEALTH, "Available host '%s' variables:", st->rrdhost->hostname);
rs->options = options;
rs->rrdset = st;
- rs->local = rrdvar_create_and_index("local", &st->variables_root_index, rs->variable, rs->type, rs->value);
- rs->context = rrdvar_create_and_index("context", &st->rrdfamily->variables_root_index, rs->fullid, rs->type, rs->value);
- rs->host = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullid, rs->type, rs->value);
- rs->context_name = rrdvar_create_and_index("context", &st->rrdfamily->variables_root_index, rs->fullname, rs->type, rs->value);
- rs->host_name = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullname, rs->type, rs->value);
+ rs->local = rrdvar_create_and_index("local", &st->variables_root_index, rs->variable, rs->type, rs->value);
+ rs->family = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->fullid, rs->type, rs->value);
+ rs->host = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullid, rs->type, rs->value);
+ rs->family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->fullname, rs->type, rs->value);
+ rs->host_name = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullname, rs->type, rs->value);
rs->next = st->variables;
st->variables = rs;
debug(D_VARIABLES, "RRDSETVAR rename for chart id '%s' name '%s'", st->id, st->name);
// only these 2 can change name
- // rs->context_name
+ // rs->family_name
// rs->host_name
char buffer[RRDVAR_MAX_LENGTH + 1];
if (strcmp(buffer, rs->fullname)) {
// name changed
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->context_name);
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_name);
rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_name);
freez(rs->fullname);
rs->fullname = strdupz(st->name);
- rs->context_name = rrdvar_create_and_index("context", &st->rrdfamily->variables_root_index, rs->fullname, rs->type, rs->value);
- rs->host_name = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullname, rs->type, rs->value);
+ rs->family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->fullname, rs->type, rs->value);
+ rs->host_name = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullname, rs->type, rs->value);
}
}
debug(D_VARIABLES, "RRDSETVAR free for chart id '%s' name '%s', variable '%s'", st->id, st->name, rs->variable);
rrdvar_free(st->rrdhost, &st->variables_root_index, rs->local);
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->context);
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family);
rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host);
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->context_name);
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_name);
rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_name);
if(st->variables == rs) {
rs->options = options;
rs->rrddim = rd;
- rs->local_id = rrdvar_create_and_index("local", &st->variables_root_index, rs->id, rs->type, rs->value);
- rs->local_name = rrdvar_create_and_index("local", &st->variables_root_index, rs->name, rs->type, rs->value);
+ rs->local_id = rrdvar_create_and_index("local", &st->variables_root_index, rs->id, rs->type, rs->value);
+ rs->local_name = rrdvar_create_and_index("local", &st->variables_root_index, rs->name, rs->type, rs->value);
- rs->context_id = rrdvar_create_and_index("context", &st->rrdfamily->variables_root_index, rs->id, rs->type, rs->value);
- rs->context_name = rrdvar_create_and_index("context", &st->rrdfamily->variables_root_index, rs->name, rs->type, rs->value);
+ rs->family_id = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->id, rs->type, rs->value);
+ rs->family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->name, rs->type, rs->value);
rs->host_fullidid = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullidid, rs->type, rs->value);
rs->host_fullidname = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullidname, rs->type, rs->value);
rrdvar_free(st->rrdhost, &st->variables_root_index, rs->local_id);
rrdvar_free(st->rrdhost, &st->variables_root_index, rs->local_name);
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->context_id);
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->context_name);
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_id);
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_name);
rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullidid);
rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullidname);
// ----------------------------------------------------------------------------
// RRDCALC management
+static inline const char *rrdcalc_status2string(int status) {
+ switch(status) {
+ case RRDCALC_STATUS_REMOVED:
+ return "REMOVED";
+
+ case RRDCALC_STATUS_UNDEFINED:
+ return "UNDEFINED";
+
+ case RRDCALC_STATUS_UNINITIALIZED:
+ return "UNINITIALIZED";
+
+ case RRDCALC_STATUS_CLEAR:
+ return "CLEAR";
+
+ case RRDCALC_STATUS_RAISED:
+ return "RAISED";
+
+ case RRDCALC_STATUS_WARNING:
+ return "WARNING";
+
+ case RRDCALC_STATUS_CRITICAL:
+ return "CRITICAL";
+
+ default:
+ error("Unknown alarm status %d", status);
+ return "UNKNOWN";
+ }
+}
+
static void rrdsetcalc_link(RRDSET *st, RRDCALC *rc) {
- debug(D_HEALTH, "Health linking alarm '%s.%s' from chart '%s' of host '%s'", rc->chart?rc->chart:"NOCHART", rc->name, st->id, st->rrdhost->hostname);
+ debug(D_HEALTH, "Health linking alarm '%s.%s' to chart '%s' of host '%s'", rc->chart?rc->chart:"NOCHART", rc->name, st->id, st->rrdhost->hostname);
+ rc->last_status_change = time(NULL);
rc->rrdset = st;
+ rc->rrdset_next = st->alarms;
+ rc->rrdset_prev = NULL;
+
+ if(rc->rrdset_next)
+ rc->rrdset_next->rrdset_prev = rc;
+
+ st->alarms = rc;
+
if(rc->update_every < rc->rrdset->update_every) {
error("Health alarm '%s.%s' has update every %d, less than chart update every %d. Setting alarm update frequency to %d.", rc->rrdset->id, rc->name, rc->update_every, rc->rrdset->update_every, rc->rrdset->update_every);
rc->update_every = rc->rrdset->update_every;
}
- if(rc->green && !st->green)
+ if(!isnan(rc->green) && isnan(st->green)) {
+ debug(D_HEALTH, "Health alarm '%s.%s' green threshold set from %Lf to %Lf.", rc->rrdset->id, rc->name, rc->rrdset->green, rc->green);
st->green = rc->green;
+ }
- if(rc->red && !st->red)
+ if(!isnan(rc->red) && isnan(st->red)) {
+ debug(D_HEALTH, "Health alarm '%s.%s' red threshold set from %Lf to %Lf.", rc->rrdset->id, rc->name, rc->rrdset->red, rc->red);
st->red = rc->red;
+ }
- rc->local = rrdvar_create_and_index("local", &st->variables_root_index, rc->name, RRDVAR_TYPE_CALCULATED, &rc->value);
- rc->context = rrdvar_create_and_index("context", &st->rrdfamily->variables_root_index, rc->name, RRDVAR_TYPE_CALCULATED, &rc->value);
+ rc->local = rrdvar_create_and_index("local", &st->variables_root_index, rc->name, RRDVAR_TYPE_CALCULATED, &rc->value);
+ rc->family = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rc->name, RRDVAR_TYPE_CALCULATED, &rc->value);
char fullname[RRDVAR_MAX_LENGTH + 1];
snprintfz(fullname, RRDVAR_MAX_LENGTH, "%s.%s", st->id, rc->name);
snprintfz(fullname, RRDVAR_MAX_LENGTH, "%s.%s", st->name, rc->name);
rc->hostname = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, fullname, RRDVAR_TYPE_CALCULATED, &rc->value);
+
+ if(!rc->units) rc->units = strdupz(st->units);
+
+ {
+ time_t now = time(NULL);
+ health_alarm_log(st->rrdhost, rc->id, rc->next_event_id++, now, rc->name, rc->rrdset->id, rc->rrdset->family, rc->exec, rc->recipient, now - rc->last_status_change, rc->old_value, rc->value, rc->status, RRDCALC_STATUS_UNINITIALIZED, rc->source, rc->units, rc->info, 0);
+ }
}
static inline int rrdcalc_is_matching_this_rrdset(RRDCALC *rc, RRDSET *st) {
RRDCALC *rc;
for(rc = st->rrdhost->alarms; rc ; rc = rc->next) {
- if(rc->rrdset) continue;
+ if(unlikely(rc->rrdset))
+ continue;
- if(rrdcalc_is_matching_this_rrdset(rc, st))
+ if(unlikely(rrdcalc_is_matching_this_rrdset(rc, st)))
rrdsetcalc_link(st, rc);
}
}
RRDSET *st = rc->rrdset;
if(!st) {
+ debug(D_HEALTH, "Requested to unlink RRDCALC '%s.%s' which is not linked to any RRDSET", rc->chart?rc->chart:"NOCHART", rc->name);
error("Requested to unlink RRDCALC '%s.%s' which is not linked to any RRDSET", rc->chart?rc->chart:"NOCHART", rc->name);
return;
}
+ {
+ time_t now = time(NULL);
+ health_alarm_log(st->rrdhost, rc->id, rc->next_event_id++, now, rc->name, rc->rrdset->id, rc->rrdset->family, rc->exec, rc->recipient, now - rc->last_status_change, rc->old_value, rc->value, rc->status, RRDCALC_STATUS_REMOVED, rc->source, rc->units, rc->info, 0);
+ }
+
RRDHOST *host = st->rrdhost;
debug(D_HEALTH, "Health unlinking alarm '%s.%s' from chart '%s' of host '%s'", rc->chart?rc->chart:"NOCHART", rc->name, st->id, host->hostname);
rrdvar_free(st->rrdhost, &st->variables_root_index, rc->local);
rc->local = NULL;
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rc->context);
- rc->context = NULL;
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rc->family);
+ rc->family = NULL;
rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rc->hostid);
rc->hostid = NULL;
// it will be applied automatically
}
-static inline int rrdcalc_exists(RRDHOST *host, const char *name, uint32_t hash) {
+RRDCALC *rrdcalc_find(RRDSET *st, const char *name) {
RRDCALC *rc;
+ uint32_t hash = simple_hash(name);
+
+ for( rc = st->alarms; rc ; rc = rc->rrdset_next ) {
+ if(unlikely(rc->hash == hash && !strcmp(rc->name, name)))
+ return rc;
+ }
+
+ return NULL;
+}
+
+static inline int rrdcalc_exists(RRDHOST *host, const char *chart, const char *name, uint32_t hash_chart, uint32_t hash_name) {
+ RRDCALC *rc;
+
+ if(unlikely(!chart)) {
+ error("attempt to find RRDCALC '%s' without giving a chart name", name);
+ return 1;
+ }
+
+ if(unlikely(!hash_chart)) hash_chart = simple_hash(chart);
+ if(unlikely(!hash_name)) hash_name = simple_hash(name);
// make sure it does not already exist
for(rc = host->alarms; rc ; rc = rc->next) {
- if (rc->hash == hash && !strcmp(name, rc->name)) {
- error("Health alarm '%s' already exists in host '%s'.", name, host->hostname);
+ if (unlikely(rc->chart && rc->hash == hash_name && rc->hash_chart == hash_chart && !strcmp(name, rc->name) && !strcmp(chart, rc->chart))) {
+ debug(D_HEALTH, "Health alarm '%s.%s' already exists in host '%s'.", chart, name, host->hostname);
+ error("Health alarm '%s.%s' already exists in host '%s'.", chart, name, host->hostname);
return 1;
}
}
return 0;
}
+static inline uint32_t rrdcalc_get_unique_id(RRDHOST *host, const char *chart, const char *name, uint32_t *next_event_id) {
+ if(chart && name) {
+ uint32_t hash_chart = simple_hash(chart);
+ uint32_t hash_name = simple_hash(name);
+
+ // re-use old IDs, by looking them up in the alarm log
+ ALARM_ENTRY *ae;
+ for(ae = host->health_log.alarms; ae ;ae = ae->next) {
+ if(unlikely(ae->hash_name == hash_name && ae->hash_chart == hash_chart && !strcmp(name, ae->name) && !strcmp(chart, ae->chart))) {
+ if(next_event_id) *next_event_id = ae->alarm_event_id + 1;
+ return ae->alarm_id;
+ }
+ }
+ }
+
+ return host->health_log.next_alarm_id++;
+}
+
static inline void rrdcalc_create_part2(RRDHOST *host, RRDCALC *rc) {
rrdhost_check_rdlock(host);
if(rc->calculation) {
+ rc->calculation->status = &rc->status;
rc->calculation->this = &rc->value;
+ rc->calculation->after = &rc->db_after;
+ rc->calculation->before = &rc->db_before;
rc->calculation->rrdcalc = rc;
}
if(rc->warning) {
+ rc->warning->status = &rc->status;
rc->warning->this = &rc->value;
+ rc->warning->after = &rc->db_after;
+ rc->warning->before = &rc->db_before;
rc->warning->rrdcalc = rc;
}
if(rc->critical) {
+ rc->critical->status = &rc->status;
rc->critical->this = &rc->value;
+ rc->critical->after = &rc->db_after;
+ rc->critical->before = &rc->db_before;
rc->critical->rrdcalc = rc;
}
// link it to the host
- rc->next = host->alarms;
- host->alarms = rc;
+ if(likely(host->alarms)) {
+ // append it
+ RRDCALC *t;
+ for(t = host->alarms; t && t->next ; t = t->next) ;
+ t->next = rc;
+ }
+ else {
+ host->alarms = rc;
+ }
// link it to its chart
RRDSET *st;
}
}
-static inline uint32_t rrdcalc_fullname(char *fullname, size_t len, const char *chart, const char *name) {
- snprintfz(fullname, len - 1, "%s%s%s", chart?chart:"", chart?".":"", name);
- rrdvar_fix_name(fullname);
- return simple_hash(fullname);
-}
+static inline RRDCALC *rrdcalc_create(RRDHOST *host, RRDCALCTEMPLATE *rt, const char *chart) {
-static inline RRDCALC *rrdcalc_create(RRDHOST *host, const char *name, const char *chart, const char *dimensions, int group_method,
- int after, int before, int update_every, uint32_t options,
- calculated_number green, calculated_number red,
- const char *exec, const char *source,
- const char *calc, const char *warn, const char *crit) {
+ debug(D_HEALTH, "Health creating dynamic alarm (from template) '%s.%s'", chart, rt->name);
- char fullname[RRDVAR_MAX_LENGTH + 1];
- uint32_t hash = rrdcalc_fullname(fullname, RRDVAR_MAX_LENGTH + 1, chart, name);
-
- if(rrdcalc_exists(host, fullname, hash))
+ if(rrdcalc_exists(host, chart, rt->name, 0, 0))
return NULL;
RRDCALC *rc = callocz(1, sizeof(RRDCALC));
-
- rc->name = strdupz(name);
+ rc->next_event_id = 1;
+ rc->id = rrdcalc_get_unique_id(host, chart, rt->name, &rc->next_event_id);
+ rc->name = strdupz(rt->name);
rc->hash = simple_hash(rc->name);
-
rc->chart = strdupz(chart);
rc->hash_chart = simple_hash(rc->chart);
- if(dimensions) rc->dimensions = strdupz(dimensions);
+ if(rt->dimensions) rc->dimensions = strdupz(rt->dimensions);
+ rc->green = rt->green;
+ rc->red = rt->red;
rc->value = NAN;
rc->old_value = NAN;
- rc->group = group_method;
- rc->after = after;
- rc->before = before;
- rc->update_every = update_every;
- rc->options = options;
-
- rc->green = green;
- rc->red = red;
-
- if(exec) rc->exec = strdupz(exec);
- if(source) rc->source = strdupz(source);
-
- if(calc) {
- rc->calculation = expression_parse(calc, NULL, NULL);
+ rc->delay_up_duration = rt->delay_up_duration;
+ rc->delay_down_duration = rt->delay_down_duration;
+ rc->delay_max_duration = rt->delay_max_duration;
+ rc->delay_multiplier = rt->delay_multiplier;
+
+ rc->group = rt->group;
+ rc->after = rt->after;
+ rc->before = rt->before;
+ rc->update_every = rt->update_every;
+ rc->options = rt->options;
+
+ if(rt->exec) rc->exec = strdupz(rt->exec);
+ if(rt->recipient) rc->recipient = strdupz(rt->recipient);
+ if(rt->source) rc->source = strdupz(rt->source);
+ if(rt->units) rc->units = strdupz(rt->units);
+ if(rt->info) rc->info = strdupz(rt->info);
+
+ if(rt->calculation) {
+ rc->calculation = expression_parse(rt->calculation->source, NULL, NULL);
if(!rc->calculation)
- error("Health alarm '%s.%s': failed to parse calculation expression '%s'", chart, name, calc);
+ error("Health alarm '%s.%s': failed to parse calculation expression '%s'", chart, rt->name, rt->calculation->source);
}
- if(warn) {
- rc->warning = expression_parse(warn, NULL, NULL);
+ if(rt->warning) {
+ rc->warning = expression_parse(rt->warning->source, NULL, NULL);
if(!rc->warning)
- error("Health alarm '%s.%s': failed to re-parse warning expression '%s'", chart, name, warn);
+ error("Health alarm '%s.%s': failed to re-parse warning expression '%s'", chart, rt->name, rt->warning->source);
}
- if(crit) {
- rc->critical = expression_parse(crit, NULL, NULL);
+ if(rt->critical) {
+ rc->critical = expression_parse(rt->critical->source, NULL, NULL);
if(!rc->critical)
- error("Health alarm '%s.%s': failed to re-parse critical expression '%s'", chart, name, crit);
+ error("Health alarm '%s.%s': failed to re-parse critical expression '%s'", chart, rt->name, rt->critical->source);
}
- debug(D_HEALTH, "Health runtime added alarm '%s.%s': exec '%s', green %Lf, red %Lf, lookup: group %d, after %d, before %d, options %u, dimensions '%s', update every %d, calculation '%s', warning '%s', critical '%s', source '%s",
+ debug(D_HEALTH, "Health runtime added alarm '%s.%s': exec '%s', recipient '%s', green %Lf, red %Lf, lookup: group %d, after %d, before %d, options %u, dimensions '%s', update every %d, calculation '%s', warning '%s', critical '%s', source '%s', delay up %d, delay down %d, delay max %d, delay_multiplier %f",
(rc->chart)?rc->chart:"NOCHART",
rc->name,
(rc->exec)?rc->exec:"DEFAULT",
+ (rc->recipient)?rc->recipient:"DEFAULT",
rc->green,
rc->red,
rc->group,
(rc->calculation)?rc->calculation->parsed_as:"NONE",
(rc->warning)?rc->warning->parsed_as:"NONE",
(rc->critical)?rc->critical->parsed_as:"NONE",
- rc->source
+ rc->source,
+ rc->delay_up_duration,
+ rc->delay_down_duration,
+ rc->delay_max_duration,
+ rc->delay_multiplier
);
rrdcalc_create_part2(host, rc);
if(rc->rrdset) rrdsetcalc_unlink(rc);
// unlink it from RRDHOST
- if(rc == host->alarms)
+ if(unlikely(rc == host->alarms))
host->alarms = rc->next;
- else if(host->alarms) {
+ else if(likely(host->alarms)) {
RRDCALC *t, *last = host->alarms;
-
for(t = last->next; t && t != rc; last = t, t = t->next) ;
- if(last && last->next == rc)
+ if(last->next == rc)
last->next = rc->next;
else
error("Cannot unlink alarm '%s.%s' from host '%s': not found", rc->chart?rc->chart:"NOCHART", rc->name, host->hostname);
expression_free(rc->warning);
expression_free(rc->critical);
- freez(rc->source);
freez(rc->name);
freez(rc->chart);
+ freez(rc->family);
freez(rc->dimensions);
freez(rc->exec);
+ freez(rc->recipient);
+ freez(rc->source);
+ freez(rc->units);
+ freez(rc->info);
freez(rc);
}
for(rt = st->rrdhost->templates; rt ; rt = rt->next) {
if(rt->hash_context == st->hash_context && !strcmp(rt->context, st->context)) {
-
- RRDCALC *rc = rrdcalc_create(st->rrdhost, rt->name, st->id,
- rt->dimensions, rt->group, rt->after, rt->before, rt->update_every, rt->options,
- rt->green, rt->red, rt->exec, rt->source,
- (rt->calculation)?rt->calculation->source:NULL,
- (rt->warning)?rt->warning->source:NULL,
- (rt->critical)?rt->critical->source:NULL);
-
- if(!rc)
+ RRDCALC *rc = rrdcalc_create(st->rrdhost, rt, st->id);
+ if(unlikely(!rc))
error("Health tried to create alarm from template '%s', but it failed", rt->name);
#ifdef NETDATA_INTERNAL_CHECKS
else if(rc->rrdset != st)
error("Health alarm '%s.%s' should be linked to chart '%s', but it is not", rc->chart?rc->chart:"NOCHART", rc->name, st->id);
-#else
- (void)rc;
#endif
}
}
expression_free(rt->warning);
expression_free(rt->critical);
- freez(rt->dimensions);
- freez(rt->context);
freez(rt->name);
freez(rt->exec);
+ freez(rt->recipient);
+ freez(rt->context);
freez(rt->source);
+ freez(rt->units);
+ freez(rt->info);
+ freez(rt->dimensions);
freez(rt);
}
#define HEALTH_WARN_KEY "warn"
#define HEALTH_CRIT_KEY "crit"
#define HEALTH_EXEC_KEY "exec"
+#define HEALTH_RECIPIENT_KEY "to"
+#define HEALTH_UNITS_KEY "units"
+#define HEALTH_INFO_KEY "info"
+#define HEALTH_DELAY_KEY "delay"
static inline int rrdcalc_add_alarm_from_config(RRDHOST *host, RRDCALC *rc) {
- {
- char fullname[RRDVAR_MAX_LENGTH + 1];
- uint32_t hash = rrdcalc_fullname(fullname, RRDVAR_MAX_LENGTH + 1, rc->chart, rc->name);
-
- if (rrdcalc_exists(host, fullname, hash))
- return 0;
- }
-
if(!rc->chart) {
error("Health configuration for alarm '%s' does not have a chart", rc->name);
return 0;
return 0;
}
- debug(D_HEALTH, "Health configuration adding alarm '%s.%s': exec '%s', green %Lf, red %Lf, lookup: group %d, after %d, before %d, options %u, dimensions '%s', update every %d, calculation '%s', warning '%s', critical '%s', source '%s",
+ if (rrdcalc_exists(host, rc->chart, rc->name, rc->hash_chart, rc->hash))
+ return 0;
+
+ rc->id = rrdcalc_get_unique_id(&localhost, rc->chart, rc->name, &rc->next_event_id);
+
+ debug(D_HEALTH, "Health configuration adding alarm '%s.%s' (%u): exec '%s', recipient '%s', green %Lf, red %Lf, lookup: group %d, after %d, before %d, options %u, dimensions '%s', update every %d, calculation '%s', warning '%s', critical '%s', source '%s', delay up %d, delay down %d, delay max %d, delay_multiplier %f",
rc->chart?rc->chart:"NOCHART",
rc->name,
+ rc->id,
(rc->exec)?rc->exec:"DEFAULT",
+ (rc->recipient)?rc->recipient:"DEFAULT",
rc->green,
rc->red,
rc->group,
(rc->calculation)?rc->calculation->parsed_as:"NONE",
(rc->warning)?rc->warning->parsed_as:"NONE",
(rc->critical)?rc->critical->parsed_as:"NONE",
- rc->source
+ rc->source,
+ rc->delay_up_duration,
+ rc->delay_down_duration,
+ rc->delay_max_duration,
+ rc->delay_multiplier
);
rrdcalc_create_part2(host, rc);
}
static inline int rrdcalctemplate_add_template_from_config(RRDHOST *host, RRDCALCTEMPLATE *rt) {
- if(!rt->context) {
+ if(unlikely(!rt->context)) {
error("Health configuration for template '%s' does not have a context", rt->name);
return 0;
}
- if(!rt->update_every) {
+ if(unlikely(!rt->update_every)) {
error("Health configuration for template '%s' has no frequency (parameter 'every'). Ignoring it.", rt->name);
return 0;
}
- if(!RRDCALCTEMPLATE_HAS_CALCULATION(rt) && !rt->warning && !rt->critical) {
+ if(unlikely(!RRDCALCTEMPLATE_HAS_CALCULATION(rt) && !rt->warning && !rt->critical)) {
error("Health configuration for template '%s' is useless (no calculation, no warning and no critical evaluation)", rt->name);
return 0;
}
- RRDCALCTEMPLATE *t;
- for (t = host->templates; t ; t = t->next) {
- if(t->hash_name == rt->hash_name && !strcmp(t->name, rt->name)) {
+ RRDCALCTEMPLATE *t, *last = NULL;
+ for (t = host->templates; t ; last = t, t = t->next) {
+ if(unlikely(t->hash_name == rt->hash_name && !strcmp(t->name, rt->name))) {
error("Health configuration template '%s' already exists for host '%s'.", rt->name, host->hostname);
return 0;
}
}
- debug(D_HEALTH, "Health configuration adding template '%s': context '%s', exec '%s', green %Lf, red %Lf, lookup: group %d, after %d, before %d, options %u, dimensions '%s', update every %d, calculation '%s', warning '%s', critical '%s', source '%s'",
+ debug(D_HEALTH, "Health configuration adding template '%s': context '%s', exec '%s', recipient '%s', green %Lf, red %Lf, lookup: group %d, after %d, before %d, options %u, dimensions '%s', update every %d, calculation '%s', warning '%s', critical '%s', source '%s', delay up %d, delay down %d, delay max %d, delay_multiplier %f",
rt->name,
(rt->context)?rt->context:"NONE",
(rt->exec)?rt->exec:"DEFAULT",
+ (rt->recipient)?rt->recipient:"DEFAULT",
rt->green,
rt->red,
rt->group,
(rt->calculation)?rt->calculation->parsed_as:"NONE",
(rt->warning)?rt->warning->parsed_as:"NONE",
(rt->critical)?rt->critical->parsed_as:"NONE",
- rt->source
+ rt->source,
+ rt->delay_up_duration,
+ rt->delay_down_duration,
+ rt->delay_max_duration,
+ rt->delay_multiplier
);
- rt->next = host->templates;
- host->templates = rt;
+ if(likely(last)) {
+ last->next = rt;
+ }
+ else {
+ rt->next = host->templates;
+ host->templates = rt;
+ }
+
return 1;
}
break;
}
}
- else
- *result = (int)(n);
+ else
+ *result = (int)(n);
+
+ return 1;
+}
+
+static inline int health_parse_delay(
+ size_t line, const char *path, const char *file, char *string,
+ int *delay_up_duration,
+ int *delay_down_duration,
+ int *delay_max_duration,
+ float *delay_multiplier) {
+
+ char given_up = 0;
+ char given_down = 0;
+ char given_max = 0;
+ char given_multiplier = 0;
+
+ char *s = string;
+ while(*s) {
+ char *key = s;
+
+ while(*s && !isspace(*s)) s++;
+ while(*s && isspace(*s)) *s++ = '\0';
+
+ if(!*key) break;
+
+ char *value = s;
+ while(*s && !isspace(*s)) s++;
+ while(*s && isspace(*s)) *s++ = '\0';
+
+ if(!strcasecmp(key, "up")) {
+ if (!health_parse_duration(value, delay_up_duration)) {
+ error("Health configuration at line %zu of file '%s/%s': invalid value '%s' for '%s' keyword",
+ line, path, file, value, key);
+ }
+ else given_up = 1;
+ }
+ else if(!strcasecmp(key, "down")) {
+ if (!health_parse_duration(value, delay_down_duration)) {
+ error("Health configuration at line %zu of file '%s/%s': invalid value '%s' for '%s' keyword",
+ line, path, file, value, key);
+ }
+ else given_down = 1;
+ }
+ else if(!strcasecmp(key, "multiplier")) {
+ *delay_multiplier = strtof(value, NULL);
+ if(isnan(*delay_multiplier) || isinf(*delay_multiplier) || islessequal(*delay_multiplier, 0)) {
+ error("Health configuration at line %zu of file '%s/%s': invalid value '%s' for '%s' keyword",
+ line, path, file, value, key);
+ }
+ else given_multiplier = 1;
+ }
+ else if(!strcasecmp(key, "max")) {
+ if (!health_parse_duration(value, delay_max_duration)) {
+ error("Health configuration at line %zu of file '%s/%s': invalid value '%s' for '%s' keyword",
+ line, path, file, value, key);
+ }
+ else given_max = 1;
+ }
+ else {
+ error("Health configuration at line %zu of file '%s/%s': unknown keyword '%s'",
+ line, path, file, key);
+ }
+ }
+
+ if(!given_up)
+ *delay_up_duration = 0;
+
+ if(!given_down)
+ *delay_down_duration = 0;
+
+ if(!given_multiplier)
+ *delay_multiplier = 1.0;
+
+ if(!given_max) {
+ if((*delay_max_duration) < (*delay_up_duration) * (*delay_multiplier))
+ *delay_max_duration = (*delay_up_duration) * (*delay_multiplier);
+
+ if((*delay_max_duration) < (*delay_down_duration) * (*delay_multiplier))
+ *delay_max_duration = (*delay_down_duration) * (*delay_multiplier);
+ }
return 1;
}
return 1;
}
+static inline char *tabs2spaces(char *s) {
+ char *t = s;
+ while(*t) {
+ if(unlikely(*t == '\t')) *t = ' ';
+ t++;
+ }
+
+ return s;
+}
+
static inline char *health_source_file(size_t line, const char *path, const char *filename) {
char buffer[FILENAME_MAX + 1];
snprintfz(buffer, FILENAME_MAX, "%zu@%s/%s", line, path, filename);
return strdupz(buffer);
}
+static inline void strip_quotes(char *s) {
+ while(*s) {
+ if(*s == '\'' || *s == '"') *s = ' ';
+ s++;
+ }
+}
+
int health_readfile(const char *path, const char *filename) {
debug(D_HEALTH, "Health configuration reading file '%s/%s'", path, filename);
- static uint32_t hash_alarm = 0, hash_template = 0, hash_on = 0, hash_calc = 0, hash_green = 0, hash_red = 0, hash_warn = 0, hash_crit = 0, hash_exec = 0, hash_every = 0, hash_lookup = 0;
+ static uint32_t hash_alarm = 0, hash_template = 0, hash_on = 0, hash_calc = 0, hash_green = 0, hash_red = 0, hash_warn = 0, hash_crit = 0, hash_exec = 0, hash_every = 0, hash_lookup = 0, hash_units = 0, hash_info = 0, hash_recipient = 0, hash_delay = 0;
char buffer[HEALTH_CONF_MAX_LINE + 1];
if(unlikely(!hash_alarm)) {
hash_crit = simple_uhash(HEALTH_CRIT_KEY);
hash_exec = simple_uhash(HEALTH_EXEC_KEY);
hash_every = simple_uhash(HEALTH_EVERY_KEY);
+ hash_units = simple_hash(HEALTH_UNITS_KEY);
+ hash_info = simple_hash(HEALTH_INFO_KEY);
+ hash_recipient = simple_hash(HEALTH_RECIPIENT_KEY);
+ hash_delay = simple_uhash(HEALTH_DELAY_KEY);
}
snprintfz(buffer, HEALTH_CONF_MAX_LINE, "%s/%s", path, filename);
while((s = fgets(&buffer[append], (int)(HEALTH_CONF_MAX_LINE - append), fp)) || append) {
int stop_appending = !s;
line++;
- // info("Line %zu of file '%s/%s': '%s'", line, path, filename, s);
s = trim(buffer);
if(!s) continue;
- // info("Trimmed line %zu of file '%s/%s': '%s'", line, path, filename, s);
append = strlen(s);
if(!stop_appending && s[append - 1] == '\\') {
append = &s[append] - buffer;
if(append < HEALTH_CONF_MAX_LINE)
continue;
- continue;
+ else {
+ error("Health configuration has too long muli-line at line %zu of file '%s/%s'.", line, path, filename);
+ }
}
append = 0;
continue;
}
- // info("Health file '%s/%s', key '%s', value '%s'", path, filename, key, value);
uint32_t hash = simple_uhash(key);
if(hash == hash_alarm && !strcasecmp(key, HEALTH_ALARM_KEY)) {
}
rc = callocz(1, sizeof(RRDCALC));
- rc->name = strdupz(value);
+ rc->next_event_id = 1;
+ rc->name = tabs2spaces(strdupz(value));
rc->hash = simple_hash(rc->name);
rc->source = health_source_file(line, path, filename);
+ rc->green = NAN;
+ rc->red = NAN;
rc->value = NAN;
rc->old_value = NAN;
+ rc->delay_multiplier = 1.0;
if(rrdvar_fix_name(rc->name))
error("Health configuration renamed alarm '%s' to '%s'", value, rc->name);
rrdcalctemplate_free(&localhost, rt);
rt = callocz(1, sizeof(RRDCALCTEMPLATE));
- rt->name = strdupz(value);
+ rt->name = tabs2spaces(strdupz(value));
rt->hash_name = simple_hash(rt->name);
rt->source = health_source_file(line, path, filename);
+ rt->green = NAN;
+ rt->red = NAN;
+ rt->delay_multiplier = 1.0;
if(rrdvar_fix_name(rt->name))
error("Health configuration renamed template '%s' to '%s'", value, rt->name);
if(hash == hash_on && !strcasecmp(key, HEALTH_ON_KEY)) {
if(rc->chart) {
if(strcmp(rc->chart, value))
- info("Health configuration at line %zu of file '%s/%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
+ error("Health configuration at line %zu of file '%s/%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, path, filename, rc->name, key, rc->chart, value, value);
freez(rc->chart);
}
- rc->chart = strdupz(value);
+ rc->chart = tabs2spaces(strdupz(value));
rc->hash_chart = simple_hash(rc->chart);
}
else if(hash == hash_lookup && !strcasecmp(key, HEALTH_LOOKUP_KEY)) {
}
else if(hash == hash_every && !strcasecmp(key, HEALTH_EVERY_KEY)) {
if(!health_parse_duration(value, &rc->update_every))
- info("Health configuration at line %zu of file '%s/%s' for alarm '%s' at key '%s' cannot parse duration: '%s'.",
+ error("Health configuration at line %zu of file '%s/%s' for alarm '%s' at key '%s' cannot parse duration: '%s'.",
line, path, filename, rc->name, key, value);
}
else if(hash == hash_green && !strcasecmp(key, HEALTH_GREEN_KEY)) {
char *e;
rc->green = strtold(value, &e);
if(e && *e) {
- info("Health configuration at line %zu of file '%s/%s' for alarm '%s' at key '%s' leaves this string unmatched: '%s'.",
+ error("Health configuration at line %zu of file '%s/%s' for alarm '%s' at key '%s' leaves this string unmatched: '%s'.",
line, path, filename, rc->name, key, e);
}
}
char *e;
rc->red = strtold(value, &e);
if(e && *e) {
- info("Health configuration at line %zu of file '%s/%s' for alarm '%s' at key '%s' leaves this string unmatched: '%s'.",
+ error("Health configuration at line %zu of file '%s/%s' for alarm '%s' at key '%s' leaves this string unmatched: '%s'.",
line, path, filename, rc->name, key, e);
}
}
else if(hash == hash_exec && !strcasecmp(key, HEALTH_EXEC_KEY)) {
if(rc->exec) {
if(strcmp(rc->exec, value))
- info("Health configuration at line %zu of file '%s/%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
+ error("Health configuration at line %zu of file '%s/%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, path, filename, rc->name, key, rc->exec, value, value);
freez(rc->exec);
}
- rc->exec = strdupz(value);
+ rc->exec = tabs2spaces(strdupz(value));
+ }
+ else if(hash == hash_recipient && !strcasecmp(key, HEALTH_RECIPIENT_KEY)) {
+ if(rc->recipient) {
+ if(strcmp(rc->recipient, value))
+ error("Health configuration at line %zu of file '%s/%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
+ line, path, filename, rc->name, key, rc->recipient, value, value);
+
+ freez(rc->recipient);
+ }
+ rc->recipient = tabs2spaces(strdupz(value));
+ }
+ else if(hash == hash_units && !strcasecmp(key, HEALTH_UNITS_KEY)) {
+ if(rc->units) {
+ if(strcmp(rc->units, value))
+ error("Health configuration at line %zu of file '%s/%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
+ line, path, filename, rc->name, key, rc->units, value, value);
+
+ freez(rc->units);
+ }
+ rc->units = tabs2spaces(strdupz(value));
+ strip_quotes(rc->units);
+ }
+ else if(hash == hash_info && !strcasecmp(key, HEALTH_INFO_KEY)) {
+ if(rc->info) {
+ if(strcmp(rc->info, value))
+ error("Health configuration at line %zu of file '%s/%s' for alarm '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
+ line, path, filename, rc->name, key, rc->info, value, value);
+
+ freez(rc->info);
+ }
+ rc->info = tabs2spaces(strdupz(value));
+ strip_quotes(rc->info);
+ }
+ else if(hash == hash_delay && !strcasecmp(key, HEALTH_DELAY_KEY)) {
+ health_parse_delay(line, path, filename, value, &rc->delay_up_duration, &rc->delay_down_duration, &rc->delay_max_duration, &rc->delay_multiplier);
}
else {
error("Health configuration at line %zu of file '%s/%s' for alarm '%s' has unknown key '%s'.",
if(hash == hash_on && !strcasecmp(key, HEALTH_ON_KEY)) {
if(rt->context) {
if(strcmp(rt->context, value))
- info("Health configuration at line %zu of file '%s/%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
+ error("Health configuration at line %zu of file '%s/%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, path, filename, rt->name, key, rt->context, value, value);
freez(rt->context);
}
- rt->context = strdupz(value);
+ rt->context = tabs2spaces(strdupz(value));
rt->hash_context = simple_hash(rt->context);
}
else if(hash == hash_lookup && !strcasecmp(key, HEALTH_LOOKUP_KEY)) {
}
else if(hash == hash_every && !strcasecmp(key, HEALTH_EVERY_KEY)) {
if(!health_parse_duration(value, &rt->update_every))
- info("Health configuration at line %zu of file '%s/%s' for template '%s' at key '%s' cannot parse duration: '%s'.",
+ error("Health configuration at line %zu of file '%s/%s' for template '%s' at key '%s' cannot parse duration: '%s'.",
line, path, filename, rt->name, key, value);
}
else if(hash == hash_green && !strcasecmp(key, HEALTH_GREEN_KEY)) {
char *e;
rt->green = strtold(value, &e);
if(e && *e) {
- info("Health configuration at line %zu of file '%s/%s' for template '%s' at key '%s' leaves this string unmatched: '%s'.",
+ error("Health configuration at line %zu of file '%s/%s' for template '%s' at key '%s' leaves this string unmatched: '%s'.",
line, path, filename, rt->name, key, e);
}
}
char *e;
rt->red = strtold(value, &e);
if(e && *e) {
- info("Health configuration at line %zu of file '%s/%s' for template '%s' at key '%s' leaves this string unmatched: '%s'.",
+ error("Health configuration at line %zu of file '%s/%s' for template '%s' at key '%s' leaves this string unmatched: '%s'.",
line, path, filename, rt->name, key, e);
}
}
else if(hash == hash_exec && !strcasecmp(key, HEALTH_EXEC_KEY)) {
if(rt->exec) {
if(strcmp(rt->exec, value))
- info("Health configuration at line %zu of file '%s/%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
+ error("Health configuration at line %zu of file '%s/%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
line, path, filename, rt->name, key, rt->exec, value, value);
freez(rt->exec);
}
- rt->exec = strdupz(value);
+ rt->exec = tabs2spaces(strdupz(value));
+ }
+ else if(hash == hash_recipient && !strcasecmp(key, HEALTH_RECIPIENT_KEY)) {
+ if(rt->recipient) {
+ if(strcmp(rt->recipient, value))
+ error("Health configuration at line %zu of file '%s/%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
+ line, path, filename, rt->name, key, rt->recipient, value, value);
+
+ freez(rt->recipient);
+ }
+ rt->recipient = tabs2spaces(strdupz(value));
+ }
+ else if(hash == hash_units && !strcasecmp(key, HEALTH_UNITS_KEY)) {
+ if(rt->units) {
+ if(strcmp(rt->units, value))
+ error("Health configuration at line %zu of file '%s/%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
+ line, path, filename, rt->name, key, rt->units, value, value);
+
+ freez(rt->units);
+ }
+ rt->units = tabs2spaces(strdupz(value));
+ strip_quotes(rt->units);
+ }
+ else if(hash == hash_info && !strcasecmp(key, HEALTH_INFO_KEY)) {
+ if(rt->info) {
+ if(strcmp(rt->info, value))
+ error("Health configuration at line %zu of file '%s/%s' for template '%s' has key '%s' twice, once with value '%s' and later with value '%s'. Using ('%s').",
+ line, path, filename, rt->name, key, rt->info, value, value);
+
+ freez(rt->info);
+ }
+ rt->info = tabs2spaces(strdupz(value));
+ strip_quotes(rt->info);
+ }
+ else if(hash == hash_delay && !strcasecmp(key, HEALTH_DELAY_KEY)) {
+ health_parse_delay(line, path, filename, value, &rt->delay_up_duration, &rt->delay_down_duration, &rt->delay_max_duration, &rt->delay_multiplier);
}
else {
error("Health configuration at line %zu of file '%s/%s' for template '%s' has unknown key '%s'.",
&& (
(de->d_name[0] == '.' && de->d_name[1] == '\0')
|| (de->d_name[0] == '.' && de->d_name[1] == '.' && de->d_name[2] == '\0')
- ))
+ )) {
+ debug(D_HEALTH, "Ignoring directory '%s'", de->d_name);
continue;
+ }
else if(de->d_type == DT_DIR) {
char *s = mallocz(pathlen + strlen(de->d_name) + 2);
continue;
}
- else if((de->d_type == DT_LNK || de->d_type == DT_REG) &&
+ else if((de->d_type == DT_LNK || de->d_type == DT_REG || de->d_type == DT_UNKNOWN) &&
len > 5 && !strcmp(&de->d_name[len - 5], ".conf")) {
health_readfile(path, de->d_name);
}
+
+ else debug(D_HEALTH, "Ignoring file '%s'", de->d_name);
}
closedir(dir);
return;
}
+ char *pathname = config_get("health", "health db directory", VARLIB_DIR "/health");
+ if(mkdir(pathname, 0770) == -1 && errno != EEXIST)
+ fatal("Cannot create directory '%s'.", pathname);
+
+ char filename[FILENAME_MAX + 1];
+ snprintfz(filename, FILENAME_MAX, "%s/health-log.db", pathname);
+ health.log_filename = config_get("health", "health db file", filename);
+
+ health_alarm_log_load(&localhost);
+ health_alarm_log_open();
+
char *path = health_config_dir();
{
char buffer[FILENAME_MAX + 1];
- snprintfz(buffer, FILENAME_MAX, "%s/alarm.sh", config_get("global", "plugins directory", PLUGINS_DIR));
- health_default_exec = config_get("health", "script to execute on alarm", buffer);
+ snprintfz(buffer, FILENAME_MAX, "%s/alarm-notify.sh", config_get("global", "plugins directory", PLUGINS_DIR));
+ health.health_default_exec = config_get("health", "script to execute on alarm", buffer);
}
- long n = config_get_number("health", "in memory max health log entries", (long)health_log.max);
- if(n < 2) {
- error("Health configuration has invalid max log entries %ld. Using default %u", n, health_log.max);
- config_set_number("health", "in memory max health log entries", (long)health_log.max);
+ long n = config_get_number("health", "in memory max health log entries", (long)localhost.health_log.max);
+ if(n < 10) {
+ error("Health configuration has invalid max log entries %ld. Using default %u", n, localhost.health_log.max);
+ config_set_number("health", "in memory max health log entries", (long)localhost.health_log.max);
}
- else health_log.max = (unsigned int)n;
+ else localhost.health_log.max = (unsigned int)n;
rrdhost_rwlock(&localhost);
health_readdir(path);
rrdhost_unlock(&localhost);
}
+// ----------------------------------------------------------------------------
+// JSON generation
+
+static inline void health_string2json(BUFFER *wb, const char *prefix, const char *label, const char *value, const char *suffix) {
+ if(value && *value)
+ buffer_sprintf(wb, "%s\"%s\":\"%s\"%s", prefix, label, value, suffix);
+ else
+ buffer_sprintf(wb, "%s\"%s\":null%s", prefix, label, suffix);
+}
+
+static inline void health_alarm_entry2json_nolock(BUFFER *wb, ALARM_ENTRY *ae, RRDHOST *host) {
+ buffer_sprintf(wb, "\n\t{\n"
+ "\t\t\"hostname\": \"%s\",\n"
+ "\t\t\"unique_id\": %u,\n"
+ "\t\t\"alarm_id\": %u,\n"
+ "\t\t\"alarm_event_id\": %u,\n"
+ "\t\t\"name\": \"%s\",\n"
+ "\t\t\"chart\": \"%s\",\n"
+ "\t\t\"family\": \"%s\",\n"
+ "\t\t\"processed\": %s,\n"
+ "\t\t\"updated\": %s,\n"
+ "\t\t\"exec_run\": %lu,\n"
+ "\t\t\"exec_failed\": %s,\n"
+ "\t\t\"exec\": \"%s\",\n"
+ "\t\t\"recipient\": \"%s\",\n"
+ "\t\t\"exec_code\": %d,\n"
+ "\t\t\"source\": \"%s\",\n"
+ "\t\t\"units\": \"%s\",\n"
+ "\t\t\"info\": \"%s\",\n"
+ "\t\t\"when\": %lu,\n"
+ "\t\t\"duration\": %lu,\n"
+ "\t\t\"non_clear_duration\": %lu,\n"
+ "\t\t\"status\": \"%s\",\n"
+ "\t\t\"old_status\": \"%s\",\n"
+ "\t\t\"delay\": %d,\n"
+ "\t\t\"delay_up_to_timestamp\": %lu,\n"
+ "\t\t\"updated_by_id\": %u,\n"
+ "\t\t\"updates_id\": %u,\n",
+ host->hostname,
+ ae->unique_id,
+ ae->alarm_id,
+ ae->alarm_event_id,
+ ae->name,
+ ae->chart,
+ ae->family,
+ (ae->flags & HEALTH_ENTRY_FLAG_PROCESSED)?"true":"false",
+ (ae->flags & HEALTH_ENTRY_FLAG_UPDATED)?"true":"false",
+ (unsigned long)ae->exec_run_timestamp,
+ (ae->flags & HEALTH_ENTRY_FLAG_EXEC_FAILED)?"true":"false",
+ ae->exec?ae->exec:health.health_default_exec,
+ ae->recipient?ae->recipient:health.health_default_recipient,
+ ae->exec_code,
+ ae->source,
+ ae->units?ae->units:"",
+ ae->info?ae->info:"",
+ (unsigned long)ae->when,
+ (unsigned long)ae->duration,
+ (unsigned long)ae->non_clear_duration,
+ rrdcalc_status2string(ae->new_status),
+ rrdcalc_status2string(ae->old_status),
+ ae->delay,
+ (unsigned long)ae->delay_up_to_timestamp,
+ ae->updated_by_id,
+ ae->updates_id
+ );
+
+ buffer_strcat(wb, "\t\t\"value\":");
+ buffer_rrd_value(wb, ae->new_value);
+ buffer_strcat(wb, ",\n");
+
+ buffer_strcat(wb, "\t\t\"old_value\":");
+ buffer_rrd_value(wb, ae->old_value);
+ buffer_strcat(wb, "\n");
+
+ buffer_strcat(wb, "\t}");
+}
+
+void health_alarm_log2json(RRDHOST *host, BUFFER *wb, uint32_t after) {
+ pthread_rwlock_rdlock(&host->health_log.alarm_log_rwlock);
+
+ buffer_strcat(wb, "[");
+
+ unsigned int max = host->health_log.max;
+ unsigned int count = 0;
+ ALARM_ENTRY *ae;
+ for(ae = host->health_log.alarms; ae && count < max ; count++, ae = ae->next) {
+ if(ae->unique_id > after) {
+ if(likely(count)) buffer_strcat(wb, ",");
+ health_alarm_entry2json_nolock(wb, ae, host);
+ }
+ }
+
+ buffer_strcat(wb, "\n]\n");
+
+ pthread_rwlock_unlock(&host->health_log.alarm_log_rwlock);
+}
+
+static inline void health_rrdcalc2json_nolock(BUFFER *wb, RRDCALC *rc) {
+ buffer_sprintf(wb,
+ "\t\t\"%s.%s\": {\n"
+ "\t\t\t\"id\": %lu,\n"
+ "\t\t\t\"name\": \"%s\",\n"
+ "\t\t\t\"chart\": \"%s\",\n"
+ "\t\t\t\"family\": \"%s\",\n"
+ "\t\t\t\"active\": %s,\n"
+ "\t\t\t\"exec\": \"%s\",\n"
+ "\t\t\t\"recipient\": \"%s\",\n"
+ "\t\t\t\"source\": \"%s\",\n"
+ "\t\t\t\"units\": \"%s\",\n"
+ "\t\t\t\"info\": \"%s\",\n"
+ "\t\t\t\"status\": \"%s\",\n"
+ "\t\t\t\"last_status_change\": %lu,\n"
+ "\t\t\t\"last_updated\": %lu,\n"
+ "\t\t\t\"next_update\": %lu,\n"
+ "\t\t\t\"update_every\": %d,\n"
+ "\t\t\t\"delay_up_duration\": %d,\n"
+ "\t\t\t\"delay_down_duration\": %d,\n"
+ "\t\t\t\"delay_max_duration\": %d,\n"
+ "\t\t\t\"delay_multiplier\": %f,\n"
+ "\t\t\t\"delay\": %d,\n"
+ "\t\t\t\"delay_up_to_timestamp\": %lu,\n"
+ , rc->chart, rc->name
+ , (unsigned long)rc->id
+ , rc->name
+ , rc->chart
+ , (rc->rrdset && rc->rrdset->family)?rc->rrdset->family:""
+ , (rc->rrdset)?"true":"false"
+ , rc->exec?rc->exec:health.health_default_exec
+ , rc->recipient?rc->recipient:health.health_default_recipient
+ , rc->source
+ , rc->units?rc->units:""
+ , rc->info?rc->info:""
+ , rrdcalc_status2string(rc->status)
+ , (unsigned long)rc->last_status_change
+ , (unsigned long)rc->last_updated
+ , (unsigned long)rc->next_update
+ , rc->update_every
+ , rc->delay_up_duration
+ , rc->delay_down_duration
+ , rc->delay_max_duration
+ , rc->delay_multiplier
+ , rc->delay_last
+ , (unsigned long)rc->delay_up_to_timestamp
+ );
+
+ if(RRDCALC_HAS_DB_LOOKUP(rc)) {
+ if(rc->dimensions && *rc->dimensions)
+ health_string2json(wb, "\t\t\t", "lookup_dimensions", rc->dimensions, ",\n");
+
+ buffer_sprintf(wb,
+ "\t\t\t\"db_after\": %lu,\n"
+ "\t\t\t\"db_before\": %lu,\n"
+ "\t\t\t\"lookup_method\": \"%s\",\n"
+ "\t\t\t\"lookup_after\": %d,\n"
+ "\t\t\t\"lookup_before\": %d,\n"
+ "\t\t\t\"lookup_options\": \"",
+ (unsigned long) rc->db_after,
+ (unsigned long) rc->db_before,
+ group_method2string(rc->group),
+ rc->after,
+ rc->before
+ );
+ buffer_data_options2string(wb, rc->options);
+ buffer_strcat(wb, "\",\n");
+ }
+
+ if(rc->calculation) {
+ health_string2json(wb, "\t\t\t", "calc", rc->calculation->source, ",\n");
+ health_string2json(wb, "\t\t\t", "calc_parsed", rc->calculation->parsed_as, ",\n");
+ }
+
+ if(rc->warning) {
+ health_string2json(wb, "\t\t\t", "warn", rc->warning->source, ",\n");
+ health_string2json(wb, "\t\t\t", "warn_parsed", rc->warning->parsed_as, ",\n");
+ }
+
+ if(rc->critical) {
+ health_string2json(wb, "\t\t\t", "crit", rc->critical->source, ",\n");
+ health_string2json(wb, "\t\t\t", "crit_parsed", rc->critical->parsed_as, ",\n");
+ }
+
+ buffer_strcat(wb, "\t\t\t\"green\":");
+ buffer_rrd_value(wb, rc->green);
+ buffer_strcat(wb, ",\n");
+
+ buffer_strcat(wb, "\t\t\t\"red\":");
+ buffer_rrd_value(wb, rc->red);
+ buffer_strcat(wb, ",\n");
+
+ buffer_strcat(wb, "\t\t\t\"value\":");
+ buffer_rrd_value(wb, rc->value);
+ buffer_strcat(wb, "\n");
+
+ buffer_strcat(wb, "\t\t}");
+}
+
+//void health_rrdcalctemplate2json_nolock(BUFFER *wb, RRDCALCTEMPLATE *rt) {
+//
+//}
+
+void health_alarms2json(RRDHOST *host, BUFFER *wb, int all) {
+ int i;
+
+ rrdhost_rdlock(&localhost);
+ buffer_sprintf(wb, "{\n\t\"hostname\": \"%s\","
+ "\n\t\"latest_alarm_log_unique_id\": %u,"
+ "\n\t\"status\": %s,"
+ "\n\t\"now\": %lu,"
+ "\n\t\"alarms\": {\n",
+ host->hostname,
+ (host->health_log.next_log_id > 0)?(host->health_log.next_log_id - 1):0,
+ health_enabled?"true":"false",
+ (unsigned long)time(NULL));
+
+ RRDCALC *rc;
+ for(i = 0, rc = host->alarms; rc ; rc = rc->next) {
+ if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec))
+ continue;
+
+ if(likely(!all && !(rc->status == RRDCALC_STATUS_WARNING || rc->status == RRDCALC_STATUS_CRITICAL)))
+ continue;
+
+ if(likely(i)) buffer_strcat(wb, ",\n");
+ health_rrdcalc2json_nolock(wb, rc);
+ i++;
+ }
+
+// buffer_strcat(wb, "\n\t},\n\t\"templates\": {");
+// RRDCALCTEMPLATE *rt;
+// for(rt = host->templates; rt ; rt = rt->next)
+// health_rrdcalctemplate2json_nolock(wb, rt);
+
+ buffer_strcat(wb, "\n\t}\n}\n");
+ rrdhost_unlock(&localhost);
+}
+
+
// ----------------------------------------------------------------------------
// re-load health configuration
char *path = health_config_dir();
+ // free all running alarms
rrdhost_rwlock(&localhost);
health_free_all_nolock(&localhost);
rrdhost_unlock(&localhost);
+ // invalidate all previous entries in the alarm log
+ ALARM_ENTRY *t;
+ for(t = localhost.health_log.alarms ; t ; t = t->next) {
+ if(t->new_status != RRDCALC_STATUS_REMOVED)
+ t->flags |= HEALTH_ENTRY_FLAG_UPDATED;
+ }
+
+ // reset all thresholds to all charts
+ RRDSET *st;
+ for(st = localhost.rrdset_root; st ; st = st->next) {
+ st->green = NAN;
+ st->red = NAN;
+ }
+
+ // load the new alarms
rrdhost_rwlock(&localhost);
health_readdir(path);
rrdhost_unlock(&localhost);
- RRDSET *st;
+ // link the loaded alarms to their charts
for(st = localhost.rrdset_root; st ; st = st->next) {
rrdhost_rwlock(&localhost);
rrdsetcalc_link_matching(st);
rrdcalctemplate_link_matching(st);
- st->green = 0;
- st->red = 0;
rrdhost_unlock(&localhost);
}
}
-
// ----------------------------------------------------------------------------
// health main thread and friends
-static inline int rrdcalc_isrunnable(RRDCALC *rc, time_t now, time_t *next_run) {
- if (unlikely(!rc->rrdset)) {
- debug(D_HEALTH, "Health not running alarm '%s.%s'. It is not linked to a chart.", rc->chart?rc->chart:"NOCHART", rc->name);
- return 0;
- }
-
- if (unlikely(!rc->update_every)) {
- debug(D_HEALTH, "Health not running alarm '%s.%s'. It does not have an update frequency", rc->chart?rc->chart:"NOCHART", rc->name);
- return 0;
- }
-
- if (unlikely(rc->next_update > now)) {
- if (*next_run > rc->next_update)
- *next_run = rc->next_update;
-
- debug(D_HEALTH, "Health not examining alarm '%s.%s' yet (will do in %d secs).", rc->chart?rc->chart:"NOCHART", rc->name, (int) (rc->next_update - now));
- return 0;
- }
-
- return 1;
-}
-
static inline int rrdcalc_value2status(calculated_number n) {
if(isnan(n)) return RRDCALC_STATUS_UNDEFINED;
if(n) return RRDCALC_STATUS_RAISED;
return RRDCALC_STATUS_CLEAR;
}
-static inline const char *rrdcalc_status2string(int status) {
- switch(status) {
- case RRDCALC_STATUS_UNINITIALIZED:
- return "UNINITIALIZED";
-
- case RRDCALC_STATUS_UNDEFINED:
- return "UNDEFINED";
-
- case RRDCALC_STATUS_CLEAR:
- return "CLEAR";
-
- case RRDCALC_STATUS_RAISED:
- return "RAISED";
-
- case RRDCALC_STATUS_WARNING:
- return "WARNING";
+static inline void health_alarm_execute(RRDHOST *host, ALARM_ENTRY *ae) {
+ ae->flags |= HEALTH_ENTRY_FLAG_PROCESSED;
- case RRDCALC_STATUS_CRITICAL:
- return "CRITICAL";
+ if(unlikely(ae->new_status < RRDCALC_STATUS_CLEAR)) {
+ // do not send notifications for internal statuses
+ goto done;
+ }
- default:
- return "UNKNOWN";
+ // find the previous notification for the same alarm
+ // which we have run the exec script
+ ALARM_ENTRY *t;
+ for(t = ae->next; t ;t = t->next) {
+ if(t->alarm_id == ae->alarm_id && t->flags & HEALTH_ENTRY_FLAG_EXEC_RUN)
+ break;
}
-}
-static inline void health_alarm_execute(ALARM_ENTRY *ae) {
- if(ae->old_status == RRDCALC_STATUS_UNINITIALIZED && ae->new_status == RRDCALC_STATUS_CLEAR)
- return;
+ if(likely(t)) {
+ // we have executed this alarm notification in the past
+ if (t && t->new_status == ae->new_status) {
+ // don't send the same notification again
+ debug(D_HEALTH, "Health not sending again notification for alarm '%s.%s' status %s", ae->chart, ae->name,
+ rrdcalc_status2string(ae->new_status));
+ goto done;
+ }
+ }
+ else {
+ // we have not executed this alarm notification in the past
+ if(unlikely(ae->old_status == RRDCALC_STATUS_UNINITIALIZED && ae->new_status == RRDCALC_STATUS_CLEAR)) {
+ debug(D_HEALTH, "Health not sending notification for first initialization of alarm '%s.%s' status %s", ae->chart, ae->name, rrdcalc_status2string(ae->new_status));
+ goto done;
+ }
+ }
char buffer[FILENAME_MAX + 1];
pid_t command_pid;
const char *exec = ae->exec;
- if(!exec) exec = health_default_exec;
+ if(!exec) exec = health.health_default_exec;
+
+ const char *recipient = ae->recipient;
+ if(!recipient) recipient = health.health_default_recipient;
- snprintfz(buffer, FILENAME_MAX, "exec %s '%s' '%s' '%s' '%s' '%0.0Lf' '%0.0Lf' '%s' '%u' '%u'",
+ snprintfz(buffer, FILENAME_MAX, "exec %s '%s' '%s' '%u' '%u' '%u' '%lu' '%s' '%s' '%s' '%s' '%s' '%0.0Lf' '%0.0Lf' '%s' '%u' '%u' '%s' '%s'",
exec,
+ recipient,
+ host->hostname,
+ ae->unique_id,
+ ae->alarm_id,
+ ae->alarm_event_id,
+ (unsigned long)ae->when,
ae->name,
ae->chart?ae->chart:"NOCAHRT",
+ ae->family?ae->family:"NOFAMILY",
rrdcalc_status2string(ae->new_status),
rrdcalc_status2string(ae->old_status),
ae->new_value,
ae->old_value,
ae->source?ae->source:"UNKNOWN",
(uint32_t)ae->duration,
- (uint32_t)ae->non_clear_duration
+ (uint32_t)ae->non_clear_duration,
+ ae->units?ae->units:"",
+ ae->info?ae->info:""
);
+ ae->flags |= HEALTH_ENTRY_FLAG_EXEC_RUN;
+ ae->exec_run_timestamp = time(NULL);
+
debug(D_HEALTH, "executing command '%s'", buffer);
FILE *fp = mypopen(buffer, &command_pid);
if(!fp) {
error("HEALTH: Cannot popen(\"%s\", \"r\").", buffer);
- return;
+ goto done;
}
debug(D_HEALTH, "HEALTH reading from command");
char *s = fgets(buffer, FILENAME_MAX, fp);
(void)s;
- debug(D_HEALTH, "HEALTH closing command");
- mypclose(fp, command_pid);
- debug(D_HEALTH, "closed command");
+ ae->exec_code = mypclose(fp, command_pid);
+ debug(D_HEALTH, "done executing command - returned with code %d", ae->exec_code);
+
+ if(ae->exec_code != 0)
+ ae->flags |= HEALTH_ENTRY_FLAG_EXEC_FAILED;
+
+done:
+ health_alarm_log_save(host, ae);
+ return;
}
-static inline void health_process_notifications(ALARM_ENTRY *ae) {
- info("Health alarm '%s.%s' = %0.2Lf - changed status from %s to %s",
+static inline void health_process_notifications(RRDHOST *host, ALARM_ENTRY *ae) {
+ debug(D_HEALTH, "Health alarm '%s.%s' = %0.2Lf - changed status from %s to %s",
ae->chart?ae->chart:"NOCHART", ae->name,
ae->new_value,
rrdcalc_status2string(ae->old_status),
rrdcalc_status2string(ae->new_status)
);
- health_alarm_execute(ae);
+ health_alarm_execute(host, ae);
}
-static inline void health_alarm_log(time_t when,
- const char *name, const char *chart, const char *exec,
- time_t duration,
- calculated_number old_value, calculated_number new_value,
- int old_status, int new_status,
- const char *source
-) {
- 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(exec) ae->exec = strdupz(exec);
- if(source) ae->source = strdupz(source);
-
- ae->id = health_log.nextid++;
- ae->when = when;
- ae->old_value = old_value;
- ae->new_value = new_value;
- ae->old_status = old_status;
- ae->new_status = new_status;
- ae->duration = duration;
-
- if(ae->old_status == RRDCALC_STATUS_WARNING || ae->old_status == RRDCALC_STATUS_CRITICAL)
- ae->non_clear_duration += ae->duration;
-
- // link it
- ae->next = health_log.alarms;
- health_log.alarms = ae;
- health_log.count++;
-
- // match previous alarms
- ALARM_ENTRY *t;
- for(t = health_log.alarms ; t ; t = t->next) {
- if(t != ae &&
- t->hash_name == ae->hash_name &&
- t->hash_chart == ae->hash_chart &&
- !strcmp(t->name, ae->name) &&
- t->chart && ae->chart && !strcmp(t->chart, ae->chart)) {
-
- if(!(t->notifications & HEALTH_ENTRY_NOTIFICATIONS_UPDATED) && !t->updated_by) {
- t->notifications |= HEALTH_ENTRY_NOTIFICATIONS_UPDATED;
- t->updated_by = ae;
+static inline void health_alarm_log_process(RRDHOST *host) {
+ static uint32_t stop_at_id = 0;
+ uint32_t first_waiting = (host->health_log.alarms)?host->health_log.alarms->unique_id:0;
+ time_t now = time(NULL);
- 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;
- }
- else {
- // no need to continue
- break;
- }
- }
- }
-}
+ pthread_rwlock_rdlock(&host->health_log.alarm_log_rwlock);
-static inline void health_alarm_log_process(void) {
- static uint32_t last_processed = 0;
ALARM_ENTRY *ae;
+ for(ae = host->health_log.alarms; ae && ae->unique_id >= stop_at_id ; ae = ae->next) {
+ if(unlikely(
+ !(ae->flags & HEALTH_ENTRY_FLAG_PROCESSED) &&
+ !(ae->flags & HEALTH_ENTRY_FLAG_UPDATED)
+ )) {
- for(ae = health_log.alarms; ae ;ae = ae->next) {
- if(last_processed >= ae->id) break;
+ if(unlikely(ae->unique_id < first_waiting))
+ first_waiting = ae->unique_id;
- if(!(ae->notifications & HEALTH_ENTRY_NOTIFICATIONS_PROCESSED) &&
- !(ae->notifications & HEALTH_ENTRY_NOTIFICATIONS_UPDATED)) {
- ae->notifications |= HEALTH_ENTRY_NOTIFICATIONS_PROCESSED;
- health_process_notifications(ae);
+ if(likely(now >= ae->delay_up_to_timestamp))
+ health_process_notifications(host, ae);
}
}
- if(health_log.alarms)
- last_processed = health_log.alarms->id;
+ // remember this for the next iteration
+ stop_at_id = first_waiting;
- if(health_log.count <= health_log.max)
+ pthread_rwlock_unlock(&host->health_log.alarm_log_rwlock);
+
+ if(host->health_log.count <= host->health_log.max)
return;
// cleanup excess entries in the log
+ pthread_rwlock_wrlock(&host->health_log.alarm_log_rwlock);
+
ALARM_ENTRY *last = NULL;
- unsigned int count = health_log.max;
- for(ae = health_log.alarms; ae && count ; count--, last = ae, ae = ae->next) ;
- if(!ae || !last || last->next != ae) return;
- last->next = NULL;
+ unsigned int count = host->health_log.max * 2 / 3;
+ for(ae = host->health_log.alarms; ae && count ; count--, last = ae, ae = ae->next) ;
+
+ if(ae && last && last->next == ae)
+ last->next = NULL;
+ else
+ ae = NULL;
while(ae) {
+ debug(D_HEALTH, "Health removing alarm log entry with id: %u", ae->unique_id);
+
ALARM_ENTRY *t = ae->next;
- freez(ae->chart);
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);
ae = t;
+ host->health_log.count--;
+ }
+
+ pthread_rwlock_unlock(&host->health_log.alarm_log_rwlock);
+}
+
+static inline int rrdcalc_isrunnable(RRDCALC *rc, time_t now, time_t *next_run) {
+ if (unlikely(!rc->rrdset)) {
+ debug(D_HEALTH, "Health not running alarm '%s.%s'. It is not linked to a chart.", rc->chart?rc->chart:"NOCHART", rc->name);
+ return 0;
+ }
+
+ if (unlikely(!rc->rrdset->last_collected_time.tv_sec || rc->rrdset->counter_done < 2)) {
+ debug(D_HEALTH, "Health not running alarm '%s.%s'. Chart is not fully collected yet.", rc->chart?rc->chart:"NOCHART", rc->name);
+ return 0;
+ }
+
+ if (unlikely(!rc->update_every)) {
+ debug(D_HEALTH, "Health not running alarm '%s.%s'. It does not have an update frequency", rc->chart?rc->chart:"NOCHART", rc->name);
+ return 0;
+ }
+
+ int update_every = rc->rrdset->update_every;
+ time_t first = rrdset_first_entry_t(rc->rrdset);
+ time_t last = rrdset_last_entry_t(rc->rrdset);
+
+ if(now + update_every < first || now - update_every > last) {
+ debug(D_HEALTH
+ , "Health not examining alarm '%s.%s' yet (wanted time is out of bounds - we need %lu but got %lu - %lu)."
+ , rc->chart ? rc->chart : "NOCHART", rc->name, (unsigned long) now, (unsigned long) first
+ , (unsigned long) last);
+ return 0;
+ }
+
+ if (RRDCALC_HAS_DB_LOOKUP(rc)) {
+ time_t needed = now + rc->before + rc->after;
+
+ if(needed + update_every < first || needed - update_every > last) {
+ debug(D_HEALTH
+ , "Health not examining alarm '%s.%s' yet (not enough data yet - we need %lu but got %lu - %lu)."
+ , rc->chart ? rc->chart : "NOCHART", rc->name, (unsigned long) needed, (unsigned long) first
+ , (unsigned long) last);
+ return 0;
+ }
+ }
+
+ if (unlikely(rc->next_update > now)) {
+ if (unlikely(*next_run > rc->next_update))
+ *next_run = rc->next_update;
+
+ debug(D_HEALTH, "Health not examining alarm '%s.%s' yet (will do in %d secs).", rc->chart?rc->chart:"NOCHART", rc->name, (int) (rc->next_update - now));
+ return 0;
}
+
+ return 1;
}
void *health_main(void *ptr) {
BUFFER *wb = buffer_create(100);
unsigned int loop = 0;
- while(health_enabled) {
+ while(health_enabled && !netdata_exit) {
loop++;
debug(D_HEALTH, "Health monitoring iteration no %u started", loop);
// 2. if there is calculation expression, run it
if (unlikely(RRDCALC_HAS_DB_LOOKUP(rc))) {
- time_t old_db_timestamp = rc->db_timestamp;
+ time_t old_db_timestamp = rc->db_before;
int value_is_null = 0;
int ret = rrd2value(rc->rrdset, wb, &rc->value,
rc->dimensions, 1, rc->after, rc->before, rc->group,
- rc->options, &rc->db_timestamp, &value_is_null);
+ rc->options, &rc->db_after, &rc->db_before, &value_is_null);
if (unlikely(ret != 200)) {
// database lookup failed
debug(D_HEALTH, "Health alarm '%s.%s': database lookup returned error %d", rc->chart?rc->chart:"NOCHART", rc->name, ret);
- if (unlikely(!(rc->rrdcalc_options & RRDCALC_OPTION_DB_ERROR))) {
- rc->rrdcalc_options |= RRDCALC_OPTION_DB_ERROR;
+ if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_DB_ERROR))) {
+ rc->rrdcalc_flags |= RRDCALC_FLAG_DB_ERROR;
error("Health alarm '%s.%s': database lookup returned error %d", rc->chart?rc->chart:"NOCHART", rc->name, ret);
}
}
- else if (unlikely(rc->rrdcalc_options & RRDCALC_OPTION_DB_ERROR))
- rc->rrdcalc_options &= ~RRDCALC_OPTION_DB_ERROR;
+ else if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_DB_ERROR))
+ rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_ERROR;
- if (unlikely(old_db_timestamp == rc->db_timestamp)) {
+ if (unlikely(old_db_timestamp == rc->db_before)) {
// database is stale
debug(D_HEALTH, "Health alarm '%s.%s': database is stale", rc->chart?rc->chart:"NOCHART", rc->name);
- if (unlikely(!(rc->rrdcalc_options & RRDCALC_OPTION_DB_STALE))) {
- rc->rrdcalc_options |= RRDCALC_OPTION_DB_STALE;
+ if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE))) {
+ rc->rrdcalc_flags |= RRDCALC_FLAG_DB_STALE;
error("Health alarm '%s.%s': database is stale", rc->chart?rc->chart:"NOCHART", rc->name);
}
}
- else if (unlikely(rc->rrdcalc_options & RRDCALC_OPTION_DB_STALE))
- rc->rrdcalc_options &= ~RRDCALC_OPTION_DB_STALE;
+ else if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE))
+ rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_STALE;
if (unlikely(value_is_null)) {
// collected value is null
debug(D_HEALTH, "Health alarm '%s.%s': database lookup returned empty value (possibly value is not collected yet)",
rc->chart?rc->chart:"NOCHART", rc->name);
- if (unlikely(!(rc->rrdcalc_options & RRDCALC_OPTION_DB_NAN))) {
- rc->rrdcalc_options |= RRDCALC_OPTION_DB_NAN;
+ if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_DB_NAN))) {
+ rc->rrdcalc_flags |= RRDCALC_FLAG_DB_NAN;
error("Health alarm '%s.%s': database lookup returned empty value (possibly value is not collected yet)",
rc->chart?rc->chart:"NOCHART", rc->name);
}
}
- else if (unlikely(rc->rrdcalc_options & RRDCALC_OPTION_DB_NAN))
- rc->rrdcalc_options &= ~RRDCALC_OPTION_DB_NAN;
+ else if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_DB_NAN))
+ rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_NAN;
debug(D_HEALTH, "Health alarm '%s.%s': database lookup gave value "
CALCULATED_NUMBER_FORMAT, rc->chart?rc->chart:"NOCHART", rc->name, rc->value);
debug(D_HEALTH, "Health alarm '%s.%s': failed to evaluate calculation with error: %s",
rc->chart?rc->chart:"NOCHART", rc->name, buffer_tostring(rc->calculation->error_msg));
- if (unlikely(!(rc->rrdcalc_options & RRDCALC_OPTION_CALC_ERROR))) {
- rc->rrdcalc_options |= RRDCALC_OPTION_CALC_ERROR;
+ if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_CALC_ERROR))) {
+ rc->rrdcalc_flags |= RRDCALC_FLAG_CALC_ERROR;
error("Health alarm '%s.%s': failed to evaluate calculation with error: %s",
rc->chart?rc->chart:"NOCHART", rc->name, buffer_tostring(rc->calculation->error_msg));
}
}
else {
- if (unlikely(rc->rrdcalc_options & RRDCALC_OPTION_CALC_ERROR))
- rc->rrdcalc_options &= ~RRDCALC_OPTION_CALC_ERROR;
+ if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_CALC_ERROR))
+ rc->rrdcalc_flags &= ~RRDCALC_FLAG_CALC_ERROR;
debug(D_HEALTH, "Health alarm '%s.%s': calculation expression gave value "
CALCULATED_NUMBER_FORMAT
}
rrdhost_unlock(&localhost);
- if (runnable) {
+ if (unlikely(runnable && !netdata_exit)) {
rrdhost_rdlock(&localhost);
for (rc = localhost.alarms; rc; rc = rc->next) {
int warning_status = RRDCALC_STATUS_UNDEFINED;
int critical_status = RRDCALC_STATUS_UNDEFINED;
- if(unlikely(rc->warning)) {
+ if(likely(rc->warning)) {
if(unlikely(!expression_evaluate(rc->warning))) {
// calculation failed
debug(D_HEALTH, "Health alarm '%s.%s': warning expression failed with error: %s",
rc->chart?rc->chart:"NOCHART", rc->name, buffer_tostring(rc->warning->error_msg));
- if (unlikely(!(rc->rrdcalc_options & RRDCALC_OPTION_WARN_ERROR))) {
- rc->rrdcalc_options |= RRDCALC_OPTION_WARN_ERROR;
+ if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_WARN_ERROR))) {
+ rc->rrdcalc_flags |= RRDCALC_FLAG_WARN_ERROR;
error("Health alarm '%s.%s': warning expression failed with error: %s",
rc->chart?rc->chart:"NOCHART", rc->name, buffer_tostring(rc->warning->error_msg));
}
}
else {
- if(unlikely(rc->rrdcalc_options & RRDCALC_OPTION_WARN_ERROR))
- rc->rrdcalc_options &= ~RRDCALC_OPTION_WARN_ERROR;
+ if(unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_WARN_ERROR))
+ rc->rrdcalc_flags &= ~RRDCALC_FLAG_WARN_ERROR;
debug(D_HEALTH, "Health alarm '%s.%s': warning expression gave value "
CALCULATED_NUMBER_FORMAT
}
}
- if(unlikely(rc->critical)) {
+ if(likely(rc->critical)) {
if(unlikely(!expression_evaluate(rc->critical))) {
// calculation failed
debug(D_HEALTH, "Health alarm '%s.%s': critical expression failed with error: %s",
rc->chart?rc->chart:"NOCHART", rc->name, buffer_tostring(rc->critical->error_msg));
- if (unlikely(!(rc->rrdcalc_options & RRDCALC_OPTION_CRIT_ERROR))) {
- rc->rrdcalc_options |= RRDCALC_OPTION_CRIT_ERROR;
+ if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_CRIT_ERROR))) {
+ rc->rrdcalc_flags |= RRDCALC_FLAG_CRIT_ERROR;
error("Health alarm '%s.%s': critical expression failed with error: %s",
rc->chart?rc->chart:"NOCHART", rc->name, buffer_tostring(rc->critical->error_msg));
}
}
else {
- if(unlikely(rc->rrdcalc_options & RRDCALC_OPTION_CRIT_ERROR))
- rc->rrdcalc_options &= ~RRDCALC_OPTION_CRIT_ERROR;
+ if(unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_CRIT_ERROR))
+ rc->rrdcalc_flags &= ~RRDCALC_FLAG_CRIT_ERROR;
debug(D_HEALTH, "Health alarm '%s.%s': critical expression gave value "
CALCULATED_NUMBER_FORMAT
}
if(status != rc->status) {
- health_alarm_log(time(NULL), rc->name, rc->rrdset->id, rc->exec, now - rc->last_status_change, rc->old_value, rc->value, rc->status, status, rc->source);
+ int delay = 0;
+
+ if(now > rc->delay_up_to_timestamp) {
+ rc->delay_up_current = rc->delay_up_duration;
+ rc->delay_down_current = rc->delay_down_duration;
+ rc->delay_last = 0;
+ rc->delay_up_to_timestamp = 0;
+ }
+ else {
+ rc->delay_up_current = (int)(rc->delay_up_current * rc->delay_multiplier);
+ if(rc->delay_up_current > rc->delay_max_duration) rc->delay_up_current = rc->delay_max_duration;
+
+ rc->delay_down_current = (int)(rc->delay_down_current * rc->delay_multiplier);
+ if(rc->delay_down_current > rc->delay_max_duration) rc->delay_down_current = rc->delay_max_duration;
+ }
+
+ if(status > rc->status)
+ delay = rc->delay_up_current;
+ else
+ delay = rc->delay_down_current;
+
+ // COMMENTED: because we do need to send raising alarms
+ // if(now + delay < rc->delay_up_to_timestamp)
+ // delay = (int)(rc->delay_up_to_timestamp - now);
+
+ rc->delay_last = delay;
+ rc->delay_up_to_timestamp = now + delay;
+ health_alarm_log(&localhost, rc->id, rc->next_event_id++, now, rc->name, rc->rrdset->id, rc->rrdset->family, rc->exec, rc->recipient, now - rc->last_status_change, rc->old_value, rc->value, rc->status, status, rc->source, rc->units, rc->info, rc->delay_last);
rc->last_status_change = now;
rc->status = status;
}
if (unlikely(pthread_setcancelstate(oldstate, NULL) != 0))
error("Cannot set pthread cancel state to RESTORE (%d).", oldstate);
+ if(unlikely(netdata_exit))
+ break;
+
// execute notifications
// and cleanup
- health_alarm_log_process();
+ health_alarm_log_process(&localhost);
+ if(unlikely(netdata_exit))
+ break;
+
now = time(NULL);
if(now < next_run) {
debug(D_HEALTH, "Health monitoring iteration no %u done. Next iteration in %d secs",
projects / netdata.git / blobdiff