#define RRDVAR_MAX_LENGTH 1024
-static const char *health_default_exec = PLUGINS_DIR "/alarm-notify.sh";
-static const char *health_default_recipient = "root";
+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;
+};
+
+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 Alarms Log Management
+// 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;
+
+ errno = 0;
+
+ char *s, *buf = mallocz(65536 + 1);
+ size_t line = 0, len = 0;
+ ssize_t loaded = 0, updated = 0, errored = 0, 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)now_realtime_sec();
+ if(!max_alarm_id) max_alarm_id = (uint32_t)now_realtime_sec();
+
+ 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,
ALARM_ENTRY *t;
for(t = host->health_log.alarms ; t ; t = t->next) {
if(t != ae && t->alarm_id == ae->alarm_id) {
- if(!(t->notifications & HEALTH_ENTRY_NOTIFICATIONS_UPDATED) && !t->updated_by) {
- t->notifications |= HEALTH_ENTRY_NOTIFICATIONS_UPDATED;
- t->updated_by = ae;
+ 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);
}
- else {
- // no need to continue
- break;
- }
+
+ // no need to continue
+ break;
}
}
pthread_rwlock_unlock(&host->health_log.alarm_log_rwlock);
+
+ health_alarm_log_save(host, ae);
}
// ----------------------------------------------------------------------------
if(!rv) return;
- if(tree)
- rrdvar_index_del(tree, rv);
+ if(tree) {
+ debug(D_VARIABLES, "Deleting variable '%s'", rv->name);
+ if(unlikely(!rrdvar_index_del(tree, rv)))
+ error("Attempted to delete variable '%s' from host '%s', but it is not found.", rv->name, host->hostname);
+ }
freez(rv->name);
freez(rv);
}
-static inline RRDVAR *rrdvar_create_and_index(const char *scope, avl_tree_lock *tree, const char *name, int type, calculated_number *value) {
+static inline RRDVAR *rrdvar_create_and_index(const char *scope, avl_tree_lock *tree, const char *name, int type, void *value) {
char *variable = strdupz(name);
rrdvar_fix_name(variable);
uint32_t hash = simple_hash(variable);
debug(D_VARIABLES, "Variable '%s' created in scope '%s'", variable, scope);
}
else {
+ debug(D_VARIABLES, "Variable '%s' is already found in scope '%s'.", variable, scope);
+
// already exists
freez(variable);
+
+ // this is important
+ // it must return NULL - not the existing variable - or double-free will happen
rv = NULL;
}
return rv;
}
+// ----------------------------------------------------------------------------
+// CUSTOM VARIABLES
+
+RRDVAR *rrdvar_custom_host_variable_create(RRDHOST *host, const char *name) {
+ calculated_number *v = callocz(1, sizeof(calculated_number));
+ *v = NAN;
+ RRDVAR *rv = rrdvar_create_and_index("host", &host->variables_root_index, name, RRDVAR_TYPE_CALCULATED_ALLOCATED, v);
+ if(unlikely(!rv)) {
+ free(v);
+ error("Requested variable '%s' already exists - possibly 2 plugins will be updating it at the same time", name);
+
+ char *variable = strdupz(name);
+ rrdvar_fix_name(variable);
+ uint32_t hash = simple_hash(variable);
+
+ rv = rrdvar_index_find(&host->variables_root_index, variable, hash);
+ }
+
+ return rv;
+}
+
+void rrdvar_custom_host_variable_destroy(RRDHOST *host, const char *name) {
+ char *variable = strdupz(name);
+ rrdvar_fix_name(variable);
+ uint32_t hash = simple_hash(variable);
+
+ RRDVAR *rv = rrdvar_index_find(&host->variables_root_index, variable, hash);
+ freez(variable);
+
+ if(!rv) {
+ error("Attempted to remove variable '%s' from host '%s', but it does not exist.", name, host->hostname);
+ return;
+ }
+
+ if(rv->type != RRDVAR_TYPE_CALCULATED_ALLOCATED) {
+ error("Attempted to remove variable '%s' from host '%s', but it does not a custom allocated variable.", name, host->hostname);
+ return;
+ }
+
+ if(!rrdvar_index_del(&host->variables_root_index, rv)) {
+ error("Attempted to remove variable '%s' from host '%s', but it cannot be found.", name, host->hostname);
+ return;
+ }
+
+ freez(rv->name);
+ freez(rv->value);
+ freez(rv);
+}
+
+void rrdvar_custom_host_variable_set(RRDVAR *rv, calculated_number value) {
+ if(rv->type != RRDVAR_TYPE_CALCULATED_ALLOCATED)
+ error("requested to set variable '%s' to value " CALCULATED_NUMBER_FORMAT " but the variable is not a custom one.", rv->name, value);
+ else {
+ calculated_number *v = rv->value;
+ *v = value;
+ }
+}
+
// ----------------------------------------------------------------------------
// RRDVAR lookup
-calculated_number rrdvar2number(RRDVAR *rv) {
+static calculated_number rrdvar2number(RRDVAR *rv) {
switch(rv->type) {
+ case RRDVAR_TYPE_CALCULATED_ALLOCATED:
case RRDVAR_TYPE_CALCULATED: {
calculated_number *n = (calculated_number *)rv->value;
return *n;
}
}
-void dump_variable(void *data) {
- RRDVAR *rv = (RRDVAR *)data;
- debug(D_HEALTH, "%50s : %20.5Lf", rv->name, rrdvar2number(rv));
-}
-
int health_variable_lookup(const char *variable, uint32_t hash, RRDCALC *rc, calculated_number *result) {
RRDSET *st = rc->rrdset;
RRDVAR *rv;
return 1;
}
- debug(D_HEALTH, "Available local chart '%s' variables:", st->id);
- avl_traverse_lock(&st->variables_root_index, dump_variable);
+ return 0;
+}
- debug(D_HEALTH, "Available family '%s' variables:", st->rrdfamily->family);
- avl_traverse_lock(&st->rrdfamily->variables_root_index, dump_variable);
+// ----------------------------------------------------------------------------
+// RRDVAR to JSON
- debug(D_HEALTH, "Available host '%s' variables:", st->rrdhost->hostname);
- avl_traverse_lock(&st->rrdhost->variables_root_index, dump_variable);
+struct variable2json_helper {
+ BUFFER *buf;
+ size_t counter;
+};
+
+static int single_variable2json(void *entry, void *data) {
+ struct variable2json_helper *helper = (struct variable2json_helper *)data;
+ RRDVAR *rv = (RRDVAR *)entry;
+ calculated_number value = rrdvar2number(rv);
+
+ if(unlikely(isnan(value) || isinf(value)))
+ buffer_sprintf(helper->buf, "%s\n\t\t\"%s\": null", helper->counter?",":"", rv->name);
+ else
+ buffer_sprintf(helper->buf, "%s\n\t\t\"%s\": %0.5Lf", helper->counter?",":"", rv->name, (long double)value);
+
+ helper->counter++;
return 0;
}
+void health_api_v1_chart_variables2json(RRDSET *st, BUFFER *buf) {
+ struct variable2json_helper helper = {
+ .buf = buf,
+ .counter = 0
+ };
+
+ buffer_sprintf(buf, "{\n\t\"chart\": \"%s\",\n\t\"chart_name\": \"%s\",\n\t\"chart_context\": \"%s\",\n\t\"chart_variables\": {", st->id, st->name, st->context);
+ avl_traverse_lock(&st->variables_root_index, single_variable2json, (void *)&helper);
+ buffer_sprintf(buf, "\n\t},\n\t\"family\": \"%s\",\n\t\"family_variables\": {", st->family);
+ helper.counter = 0;
+ avl_traverse_lock(&st->rrdfamily->variables_root_index, single_variable2json, (void *)&helper);
+ buffer_sprintf(buf, "\n\t},\n\t\"host\": \"%s\",\n\t\"host_variables\": {", st->rrdhost->hostname);
+ helper.counter = 0;
+ avl_traverse_lock(&st->rrdhost->variables_root_index, single_variable2json, (void *)&helper);
+ buffer_strcat(buf, "\n\t}\n}\n");
+}
+
+
// ----------------------------------------------------------------------------
-// RRDSETVAR management
+// RRDDIMVAR management
+// DIMENSION VARIABLES
-RRDSETVAR *rrdsetvar_create(RRDSET *st, const char *variable, int type, void *value, uint32_t options) {
- debug(D_VARIABLES, "RRDVARSET create for chart id '%s' name '%s' with variable name '%s'", st->id, st->name, variable);
- RRDSETVAR *rs = (RRDSETVAR *)callocz(1, sizeof(RRDSETVAR));
+#define RRDDIMVAR_ID_MAX 1024
- char buffer[RRDVAR_MAX_LENGTH + 1];
- snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->id, variable);
- rs->fullid = strdupz(buffer);
+static inline void rrddimvar_free_variables(RRDDIMVAR *rs) {
+ RRDDIM *rd = rs->rrddim;
+ RRDSET *st = rd->rrdset;
- snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->name, variable);
- rs->fullname = strdupz(buffer);
+ // CHART VARIABLES FOR THIS DIMENSION
- rs->variable = strdupz(variable);
+ rrdvar_free(st->rrdhost, &st->variables_root_index, rs->var_local_id);
+ rs->var_local_id = NULL;
- rs->type = type;
- rs->value = value;
- rs->options = options;
- rs->rrdset = st;
+ rrdvar_free(st->rrdhost, &st->variables_root_index, rs->var_local_name);
+ rs->var_local_name = NULL;
- 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);
+ // FAMILY VARIABLES FOR THIS DIMENSION
- rs->next = st->variables;
- st->variables = rs;
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_id);
+ rs->var_family_id = NULL;
- return rs;
-}
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_name);
+ rs->var_family_name = NULL;
-void rrdsetvar_rename_all(RRDSET *st) {
- debug(D_VARIABLES, "RRDSETVAR rename for chart id '%s' name '%s'", st->id, st->name);
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_contextid);
+ rs->var_family_contextid = NULL;
- // only these 2 can change name
- // rs->family_name
- // rs->host_name
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_contextname);
+ rs->var_family_contextname = NULL;
- char buffer[RRDVAR_MAX_LENGTH + 1];
- RRDSETVAR *rs, *next = st->variables;
- while((rs = next)) {
- next = rs->next;
+ // HOST VARIABLES FOR THIS DIMENSION
- snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->name, rs->variable);
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_chartidid);
+ rs->var_host_chartidid = NULL;
- if (strcmp(buffer, rs->fullname)) {
- // name changed
- rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->family_name);
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_name);
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_chartidname);
+ rs->var_host_chartidname = NULL;
- freez(rs->fullname);
- rs->fullname = strdupz(st->name);
- 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);
- }
- }
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_chartnameid);
+ rs->var_host_chartnameid = NULL;
- rrdsetcalc_link_matching(st);
-}
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_chartnamename);
+ rs->var_host_chartnamename = NULL;
-void rrdsetvar_free(RRDSETVAR *rs) {
- RRDSET *st = rs->rrdset;
- debug(D_VARIABLES, "RRDSETVAR free for chart id '%s' name '%s', variable '%s'", st->id, st->name, rs->variable);
+ // KEYS
- rrdvar_free(st->rrdhost, &st->variables_root_index, rs->local);
- 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->family_name);
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_name);
+ freez(rs->key_id);
+ rs->key_id = NULL;
- if(st->variables == rs) {
- st->variables = rs->next;
- }
- else {
- RRDSETVAR *t;
- for (t = st->variables; t && t->next != rs; t = t->next);
- if(!t) error("RRDSETVAR '%s' not found in chart '%s' variables linked list", rs->fullname, st->id);
- else t->next = rs->next;
- }
+ freez(rs->key_name);
+ rs->key_name = NULL;
- freez(rs->fullid);
- freez(rs->fullname);
- freez(rs->variable);
- freez(rs);
-}
+ freez(rs->key_fullidid);
+ rs->key_fullidid = NULL;
-// ----------------------------------------------------------------------------
-// RRDDIMVAR management
+ freez(rs->key_fullidname);
+ rs->key_fullidname = NULL;
-#define RRDDIMVAR_ID_MAX 1024
+ freez(rs->key_contextid);
+ rs->key_contextid = NULL;
-RRDDIMVAR *rrddimvar_create(RRDDIM *rd, int type, const char *prefix, const char *suffix, void *value, uint32_t options) {
- RRDSET *st = rd->rrdset;
+ freez(rs->key_contextname);
+ rs->key_contextname = NULL;
- debug(D_VARIABLES, "RRDDIMSET create for chart id '%s' name '%s', dimension id '%s', name '%s%s%s'", st->id, st->name, rd->id, (prefix)?prefix:"", rd->name, (suffix)?suffix:"");
+ freez(rs->key_fullnameid);
+ rs->key_fullnameid = NULL;
- if(!prefix) prefix = "";
- if(!suffix) suffix = "";
+ freez(rs->key_fullnamename);
+ rs->key_fullnamename = NULL;
+}
+
+static inline void rrddimvar_create_variables(RRDDIMVAR *rs) {
+ rrddimvar_free_variables(rs);
+
+ RRDDIM *rd = rs->rrddim;
+ RRDSET *st = rd->rrdset;
char buffer[RRDDIMVAR_ID_MAX + 1];
- RRDDIMVAR *rs = (RRDDIMVAR *)callocz(1, sizeof(RRDDIMVAR));
- rs->prefix = strdupz(prefix);
- rs->suffix = strdupz(suffix);
+ // KEYS
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s%s%s", rs->prefix, rd->id, rs->suffix);
- rs->id = strdupz(buffer);
+ rs->key_id = strdupz(buffer);
snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s%s%s", rs->prefix, rd->name, rs->suffix);
- rs->name = strdupz(buffer);
+ rs->key_name = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->id, rs->key_id);
+ rs->key_fullidid = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->id, rs->key_name);
+ rs->key_fullidname = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->context, rs->key_id);
+ rs->key_contextid = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->context, rs->key_name);
+ rs->key_contextname = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->name, rs->key_id);
+ rs->key_fullnameid = strdupz(buffer);
+
+ snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->name, rs->key_name);
+ rs->key_fullnamename = strdupz(buffer);
+
+ // CHART VARIABLES FOR THIS DIMENSION
+ // -----------------------------------
+ //
+ // dimensions are available as:
+ // - $id
+ // - $name
+
+ rs->var_local_id = rrdvar_create_and_index("local", &st->variables_root_index, rs->key_id, rs->type, rs->value);
+ rs->var_local_name = rrdvar_create_and_index("local", &st->variables_root_index, rs->key_name, rs->type, rs->value);
+
+ // FAMILY VARIABLES FOR THIS DIMENSION
+ // -----------------------------------
+ //
+ // dimensions are available as:
+ // - $id (only the first, when multiple overlap)
+ // - $name (only the first, when multiple overlap)
+ // - $chart-context.id
+ // - $chart-context.name
+
+ rs->var_family_id = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_id, rs->type, rs->value);
+ rs->var_family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_name, rs->type, rs->value);
+ rs->var_family_contextid = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_contextid, rs->type, rs->value);
+ rs->var_family_contextname = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_contextname, rs->type, rs->value);
+
+ // HOST VARIABLES FOR THIS DIMENSION
+ // -----------------------------------
+ //
+ // dimensions are available as:
+ // - $chart-id.id
+ // - $chart-id.name
+ // - $chart-name.id
+ // - $chart-name.name
+
+ rs->var_host_chartidid = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullidid, rs->type, rs->value);
+ rs->var_host_chartidname = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullidname, rs->type, rs->value);
+ rs->var_host_chartnameid = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullnameid, rs->type, rs->value);
+ rs->var_host_chartnamename = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullnamename, rs->type, rs->value);
+}
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rd->rrdset->id, rs->id);
- rs->fullidid = strdupz(buffer);
+RRDDIMVAR *rrddimvar_create(RRDDIM *rd, int type, const char *prefix, const char *suffix, void *value, uint32_t options) {
+ RRDSET *st = rd->rrdset;
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rd->rrdset->id, rs->name);
- rs->fullidname = strdupz(buffer);
+ debug(D_VARIABLES, "RRDDIMSET create for chart id '%s' name '%s', dimension id '%s', name '%s%s%s'", st->id, st->name, rd->id, (prefix)?prefix:"", rd->name, (suffix)?suffix:"");
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rd->rrdset->name, rs->id);
- rs->fullnameid = strdupz(buffer);
+ if(!prefix) prefix = "";
+ if(!suffix) suffix = "";
+
+ RRDDIMVAR *rs = (RRDDIMVAR *)callocz(1, sizeof(RRDDIMVAR));
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", rd->rrdset->name, rs->name);
- rs->fullnamename = strdupz(buffer);
+ rs->prefix = strdupz(prefix);
+ rs->suffix = strdupz(suffix);
rs->type = type;
rs->value = value;
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->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);
- rs->host_fullnameid = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullnameid, rs->type, rs->value);
- rs->host_fullnamename = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->fullnamename, rs->type, rs->value);
-
rs->next = rd->variables;
rd->variables = rs;
+ rrddimvar_create_variables(rs);
+
return rs;
}
RRDDIMVAR *rs, *next = rd->variables;
while((rs = next)) {
next = rs->next;
-
- if (strcmp(rd->name, rs->name)) {
- char buffer[RRDDIMVAR_ID_MAX + 1];
- // name changed
-
- // name
- rrdvar_free(st->rrdhost, &st->variables_root_index, rs->local_name);
- freez(rs->name);
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s%s%s", rs->prefix, rd->name, rs->suffix);
- rs->name = strdupz(buffer);
- rs->local_name = rrdvar_create_and_index("local", &st->variables_root_index, rs->name, rs->type, rs->value);
-
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullidname);
- freez(rs->fullidname);
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->id, rs->name);
- rs->fullidname = strdupz(buffer);
- rs->host_fullidname = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index,
- rs->fullidname, rs->type, rs->value);
-
- // fullnameid
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullnameid);
- freez(rs->fullnameid);
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->name, rs->id);
- rs->fullnameid = strdupz(buffer);
- rs->host_fullnameid = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index,
- rs->fullnameid, rs->type, rs->value);
-
- // fullnamename
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullnamename);
- freez(rs->fullnamename);
- snprintfz(buffer, RRDDIMVAR_ID_MAX, "%s.%s", st->name, rs->name);
- rs->fullnamename = strdupz(buffer);
- rs->host_fullnamename = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index,
- rs->fullnamename, rs->type, rs->value);
- }
+ rrddimvar_create_variables(rs);
}
}
RRDSET *st = rd->rrdset;
debug(D_VARIABLES, "RRDDIMSET free for chart id '%s' name '%s', dimension id '%s', name '%s', prefix='%s', suffix='%s'", st->id, st->name, rd->id, rd->name, rs->prefix, rs->suffix);
- 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->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);
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullnameid);
- rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->host_fullnamename);
+ rrddimvar_free_variables(rs);
if(rd->variables == rs) {
debug(D_VARIABLES, "RRDDIMSET removing first entry for chart id '%s' name '%s', dimension id '%s', name '%s'", st->id, st->name, rd->id, rd->name);
debug(D_VARIABLES, "RRDDIMSET removing non-first entry for chart id '%s' name '%s', dimension id '%s', name '%s'", st->id, st->name, rd->id, rd->name);
RRDDIMVAR *t;
for (t = rd->variables; t && t->next != rs; t = t->next) ;
- if(!t) error("RRDDIMVAR '%s' not found in dimension '%s/%s' variables linked list", rs->name, st->id, rd->id);
+ if(!t) error("RRDDIMVAR '%s' not found in dimension '%s/%s' variables linked list", rs->key_name, st->id, rd->id);
else t->next = rs->next;
}
freez(rs->prefix);
freez(rs->suffix);
- freez(rs->id);
- freez(rs->name);
- freez(rs->fullidid);
- freez(rs->fullidname);
- freez(rs->fullnameid);
- freez(rs->fullnamename);
+ freez(rs);
+}
+
+// ----------------------------------------------------------------------------
+// RRDSETVAR management
+// CHART VARIABLES
+
+static inline void rrdsetvar_free_variables(RRDSETVAR *rs) {
+ RRDSET *st = rs->rrdset;
+
+ // CHART
+
+ rrdvar_free(st->rrdhost, &st->variables_root_index, rs->var_local);
+ rs->var_local = NULL;
+
+ // FAMILY
+
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family);
+ rs->var_family = NULL;
+
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host);
+ rs->var_host = NULL;
+
+ // HOST
+
+ rrdvar_free(st->rrdhost, &st->rrdfamily->variables_root_index, rs->var_family_name);
+ rs->var_family_name = NULL;
+
+ rrdvar_free(st->rrdhost, &st->rrdhost->variables_root_index, rs->var_host_name);
+ rs->var_host_name = NULL;
+
+ // KEYS
+
+ freez(rs->key_fullid);
+ rs->key_fullid = NULL;
+
+ freez(rs->key_fullname);
+ rs->key_fullname = NULL;
+}
+
+static inline void rrdsetvar_create_variables(RRDSETVAR *rs) {
+ rrdsetvar_free_variables(rs);
+
+ RRDSET *st = rs->rrdset;
+
+ // KEYS
+
+ char buffer[RRDVAR_MAX_LENGTH + 1];
+ snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->id, rs->variable);
+ rs->key_fullid = strdupz(buffer);
+
+ snprintfz(buffer, RRDVAR_MAX_LENGTH, "%s.%s", st->name, rs->variable);
+ rs->key_fullname = strdupz(buffer);
+
+ // CHART
+
+ rs->var_local = rrdvar_create_and_index("local", &st->variables_root_index, rs->variable, rs->type, rs->value);
+
+ // FAMILY
+
+ rs->var_family = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_fullid, rs->type, rs->value);
+ rs->var_family_name = rrdvar_create_and_index("family", &st->rrdfamily->variables_root_index, rs->key_fullname, rs->type, rs->value);
+
+ // HOST
+
+ rs->var_host = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullid, rs->type, rs->value);
+ rs->var_host_name = rrdvar_create_and_index("host", &st->rrdhost->variables_root_index, rs->key_fullname, rs->type, rs->value);
+
+}
+
+RRDSETVAR *rrdsetvar_create(RRDSET *st, const char *variable, int type, void *value, uint32_t options) {
+ debug(D_VARIABLES, "RRDVARSET create for chart id '%s' name '%s' with variable name '%s'", st->id, st->name, variable);
+ RRDSETVAR *rs = (RRDSETVAR *)callocz(1, sizeof(RRDSETVAR));
+
+ rs->variable = strdupz(variable);
+ rs->type = type;
+ rs->value = value;
+ rs->options = options;
+ rs->rrdset = st;
+
+ rs->next = st->variables;
+ st->variables = rs;
+
+ rrdsetvar_create_variables(rs);
+
+ return rs;
+}
+
+void rrdsetvar_rename_all(RRDSET *st) {
+ debug(D_VARIABLES, "RRDSETVAR rename for chart id '%s' name '%s'", st->id, st->name);
+
+ RRDSETVAR *rs, *next = st->variables;
+ while((rs = next)) {
+ next = rs->next;
+ rrdsetvar_create_variables(rs);
+ }
+
+ rrdsetcalc_link_matching(st);
+}
+
+void rrdsetvar_free(RRDSETVAR *rs) {
+ RRDSET *st = rs->rrdset;
+ debug(D_VARIABLES, "RRDSETVAR free for chart id '%s' name '%s', variable '%s'", st->id, st->name, rs->variable);
+
+ if(st->variables == rs) {
+ st->variables = rs->next;
+ }
+ else {
+ RRDSETVAR *t;
+ for (t = st->variables; t && t->next != rs; t = t->next);
+ if(!t) error("RRDSETVAR '%s' not found in chart '%s' variables linked list", rs->key_fullname, st->id);
+ else t->next = rs->next;
+ }
+
+ rrdsetvar_free_variables(rs);
+
+ freez(rs->variable);
freez(rs);
}
// ----------------------------------------------------------------------------
// RRDCALC management
-static inline const char *rrdcalc_status2string(int status) {
+inline const char *rrdcalc_status2string(int status) {
switch(status) {
case RRDCALC_STATUS_REMOVED:
return "REMOVED";
static void rrdsetcalc_link(RRDSET *st, RRDCALC *rc) {
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->last_status_change = now_realtime_sec();
rc->rrdset = st;
rc->rrdset_next = st->alarms;
if(!rc->units) rc->units = strdupz(st->units);
{
- time_t now = time(NULL);
+ time_t now = now_realtime_sec();
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);
}
}
}
{
- time_t now = time(NULL);
+ time_t now = now_realtime_sec();
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);
}
RRDCALCTEMPLATE *rt;
for(rt = st->rrdhost->templates; rt ; rt = rt->next) {
- if(rt->hash_context == st->hash_context && !strcmp(rt->context, st->context)) {
+ if(rt->hash_context == st->hash_context && !strcmp(rt->context, st->context)
+ && (!rt->family_pattern || simple_pattern_matches(rt->family_pattern, st->family))) {
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);
expression_free(rt->warning);
expression_free(rt->critical);
+ freez(rt->family_match);
+ simple_pattern_free(rt->family_pattern);
+
freez(rt->name);
freez(rt->exec);
freez(rt->recipient);
#define HEALTH_ALARM_KEY "alarm"
#define HEALTH_TEMPLATE_KEY "template"
#define HEALTH_ON_KEY "on"
+#define HEALTH_FAMILIES_KEY "families"
#define HEALTH_LOOKUP_KEY "lookup"
#define HEALTH_CALC_KEY "calc"
#define HEALTH_EVERY_KEY "every"
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);
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, hash_units = 0, hash_info = 0, hash_recipient = 0, hash_delay = 0;
+ static uint32_t hash_alarm = 0, hash_template = 0, hash_on = 0, hash_families = 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_alarm = simple_uhash(HEALTH_ALARM_KEY);
hash_template = simple_uhash(HEALTH_TEMPLATE_KEY);
hash_on = simple_uhash(HEALTH_ON_KEY);
+ hash_families = simple_uhash(HEALTH_FAMILIES_KEY);
hash_calc = simple_uhash(HEALTH_CALC_KEY);
hash_lookup = simple_uhash(HEALTH_LOOKUP_KEY);
hash_green = simple_uhash(HEALTH_GREEN_KEY);
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] == '\\') {
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->next_event_id = 1;
- rc->name = strdupz(value);
+ rc->name = tabs2spaces(strdupz(value));
rc->hash = simple_hash(rc->name);
rc->source = health_source_file(line, path, filename);
rc->green = NAN;
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;
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').",
- line, path, filename, rc->name, key, rc->chart, value, 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->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))
- 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->recipient, value, value);
freez(rc->recipient);
}
- rc->recipient = strdupz(value);
+ rc->recipient = tabs2spaces(strdupz(value));
}
else if(hash == hash_units && !strcasecmp(key, HEALTH_UNITS_KEY)) {
if(rc->units) {
if(strcmp(rc->units, 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->units, value, value);
freez(rc->units);
}
- rc->units = strdupz(value);
+ 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))
- 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->info, value, value);
freez(rc->info);
}
- rc->info = strdupz(value);
+ rc->info = tabs2spaces(strdupz(value));
strip_quotes(rc->info);
}
else if(hash == hash_delay && !strcasecmp(key, HEALTH_DELAY_KEY)) {
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').",
- line, path, filename, rt->name, key, rt->context, value, 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->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_families && !strcasecmp(key, HEALTH_FAMILIES_KEY)) {
+ freez(rt->family_match);
+ simple_pattern_free(rt->family_pattern);
+
+ rt->family_match = tabs2spaces(strdupz(value));
+ rt->family_pattern = simple_pattern_create(rt->family_match, SIMPLE_PATTERN_EXACT);
+ }
else if(hash == hash_lookup && !strcasecmp(key, HEALTH_LOOKUP_KEY)) {
health_parse_db_lookup(line, path, filename, value, &rt->group, &rt->after, &rt->before,
- &rt->update_every,
- &rt->options, &rt->dimensions);
+ &rt->update_every, &rt->options, &rt->dimensions);
}
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))
- 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->recipient, value, value);
freez(rt->recipient);
}
- rt->recipient = strdupz(value);
+ rt->recipient = tabs2spaces(strdupz(value));
}
else if(hash == hash_units && !strcasecmp(key, HEALTH_UNITS_KEY)) {
if(rt->units) {
if(strcmp(rt->units, 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->units, value, value);
freez(rt->units);
}
- rt->units = strdupz(value);
+ 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))
- 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->info, value, value);
freez(rt->info);
}
- rt->info = strdupz(value);
+ rt->info = tabs2spaces(strdupz(value));
strip_quotes(rt->info);
}
else if(hash == hash_delay && !strcasecmp(key, HEALTH_DELAY_KEY)) {
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-notify.sh", config_get("global", "plugins directory", PLUGINS_DIR));
- health_default_exec = config_get("health", "script to execute on alarm", buffer);
+ 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)localhost.health_log.max);
"\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\"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->name,
ae->chart,
ae->family,
- (ae->notifications & HEALTH_ENTRY_NOTIFICATIONS_PROCESSED)?"true":"false",
- (ae->notifications & HEALTH_ENTRY_NOTIFICATIONS_UPDATED)?"true":"false",
+ (ae->flags & HEALTH_ENTRY_FLAG_PROCESSED)?"true":"false",
+ (ae->flags & HEALTH_ENTRY_FLAG_UPDATED)?"true":"false",
(unsigned long)ae->exec_run_timestamp,
- (ae->notifications & HEALTH_ENTRY_NOTIFICATIONS_EXEC_FAILED)?"true":"false",
- ae->exec?ae->exec:health_default_exec,
- ae->recipient?ae->recipient:health_default_recipient,
+ (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:"",
rrdcalc_status2string(ae->new_status),
rrdcalc_status2string(ae->old_status),
ae->delay,
- (unsigned long)ae->delay_up_to_timestamp
+ (unsigned long)ae->delay_up_to_timestamp,
+ ae->updated_by_id,
+ ae->updates_id
);
buffer_strcat(wb, "\t\t\"value\":");
, rc->chart
, (rc->rrdset && rc->rrdset->family)?rc->rrdset->family:""
, (rc->rrdset)?"true":"false"
- , rc->exec?rc->exec:health_default_exec
- , rc->recipient?rc->recipient:health_default_recipient
+ , 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:""
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));
+ (unsigned long)now_realtime_sec());
RRDCALC *rc;
for(i = 0, rc = host->alarms; rc ; rc = rc->next) {
ALARM_ENTRY *t;
for(t = localhost.health_log.alarms ; t ; t = t->next) {
if(t->new_status != RRDCALC_STATUS_REMOVED)
- t->notifications |= HEALTH_ENTRY_NOTIFICATIONS_UPDATED;
+ t->flags |= HEALTH_ENTRY_FLAG_UPDATED;
}
// reset all thresholds to all charts
}
}
-
// ----------------------------------------------------------------------------
// health main thread and friends
static inline int rrdcalc_value2status(calculated_number n) {
- if(isnan(n)) return RRDCALC_STATUS_UNDEFINED;
+ if(isnan(n) || isinf(n)) return RRDCALC_STATUS_UNDEFINED;
if(n) return RRDCALC_STATUS_RAISED;
return RRDCALC_STATUS_CLEAR;
}
+#define ALARM_EXEC_COMMAND_LENGTH 8192
+
static inline void health_alarm_execute(RRDHOST *host, ALARM_ENTRY *ae) {
- ae->notifications |= HEALTH_ENTRY_NOTIFICATIONS_PROCESSED;
+ ae->flags |= HEALTH_ENTRY_FLAG_PROCESSED;
- // find the previous notification for the same alarm
- ALARM_ENTRY *t;
- for(t = ae->next; t ;t = t->next) {
- if(t->alarm_id == ae->alarm_id && t->notifications & HEALTH_ENTRY_NOTIFICATIONS_EXEC_RUN)
- break;
+ if(unlikely(ae->new_status < RRDCALC_STATUS_CLEAR)) {
+ // do not send notifications for internal statuses
+ goto done;
}
- if(t && t->new_status == ae->new_status) {
- // don't send the same notification again
- info("Health not sending again notification for alarm '%s.%s' status %s", ae->chart, ae->name, rrdcalc_status2string(ae->new_status));
- return;
- }
+ // find the previous notification for the same alarm
+ // which we have run the exec script
+ {
+ uint32_t id = ae->alarm_id;
+ ALARM_ENTRY *t;
+ for(t = ae->next; t ; t = t->next) {
+ if(t->alarm_id == id && t->flags & HEALTH_ENTRY_FLAG_EXEC_RUN)
+ break;
+ }
- if((ae->old_status == RRDCALC_STATUS_UNDEFINED && ae->new_status == RRDCALC_STATUS_UNINITIALIZED)
- || (ae->old_status == RRDCALC_STATUS_UNINITIALIZED && ae->new_status == RRDCALC_STATUS_CLEAR)) {
- info("Health not sending notification for first initialization of alarm '%s.%s' status %s", ae->chart, ae->name, rrdcalc_status2string(ae->new_status));
- 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 notification for the same status 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
+ // so, don't send CLEAR notifications
+ if(unlikely(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];
+ static char command_to_run[ALARM_EXEC_COMMAND_LENGTH + 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_default_recipient;
+ if(!recipient) recipient = health.health_default_recipient;
- 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'",
+ snprintfz(command_to_run, ALARM_EXEC_COMMAND_LENGTH, "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->info?ae->info:""
);
- ae->notifications |= HEALTH_ENTRY_NOTIFICATIONS_EXEC_RUN;
- ae->exec_run_timestamp = time(NULL);
+ ae->flags |= HEALTH_ENTRY_FLAG_EXEC_RUN;
+ ae->exec_run_timestamp = now_realtime_sec();
- debug(D_HEALTH, "executing command '%s'", buffer);
- FILE *fp = mypopen(buffer, &command_pid);
+ debug(D_HEALTH, "executing command '%s'", command_to_run);
+ FILE *fp = mypopen(command_to_run, &command_pid);
if(!fp) {
- error("HEALTH: Cannot popen(\"%s\", \"r\").", buffer);
- return;
+ error("HEALTH: Cannot popen(\"%s\", \"r\").", command_to_run);
+ goto done;
}
debug(D_HEALTH, "HEALTH reading from command");
- char *s = fgets(buffer, FILENAME_MAX, fp);
+ char *s = fgets(command_to_run, FILENAME_MAX, fp);
(void)s;
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->notifications |= HEALTH_ENTRY_NOTIFICATIONS_EXEC_FAILED;
+ ae->flags |= HEALTH_ENTRY_FLAG_EXEC_FAILED;
+
+done:
+ health_alarm_log_save(host, ae);
+ return;
}
static inline void health_process_notifications(RRDHOST *host, ALARM_ENTRY *ae) {
- info("Health alarm '%s.%s' = %0.2Lf - changed status from %s to %s",
+ 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),
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);
+ time_t now = now_realtime_sec();
pthread_rwlock_rdlock(&host->health_log.alarm_log_rwlock);
ALARM_ENTRY *ae;
for(ae = host->health_log.alarms; ae && ae->unique_id >= stop_at_id ; ae = ae->next) {
if(unlikely(
- !(ae->notifications & HEALTH_ENTRY_NOTIFICATIONS_PROCESSED) &&
- !(ae->notifications & HEALTH_ENTRY_NOTIFICATIONS_UPDATED)
+ !(ae->flags & HEALTH_ENTRY_FLAG_PROCESSED) &&
+ !(ae->flags & HEALTH_ENTRY_FLAG_UPDATED)
)) {
if(unlikely(ae->unique_id < first_waiting))
first_waiting = ae->unique_id;
- if(likely(now > ae->delay_up_to_timestamp))
+ if(likely(now >= ae->delay_up_to_timestamp))
health_process_notifications(host, ae);
}
}
}
static inline int rrdcalc_isrunnable(RRDCALC *rc, time_t now, time_t *next_run) {
- if (unlikely(!rc->rrdset)) {
+ 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)) {
- debug(D_HEALTH, "Health not running alarm '%s.%s'. Chart is not yet collected.", rc->chart?rc->chart:"NOCHART", rc->name);
+ if(unlikely(rc->next_update > now)) {
+ if (unlikely(*next_run > rc->next_update)) {
+ // update the next_run time of the main loop
+ // to run this alarm precisely the time required
+ *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;
}
- if (unlikely(!rc->update_every)) {
+ 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 (unlikely(*next_run > rc->next_update))
- *next_run = rc->next_update;
+ 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;
+ }
- 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));
+ 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(unlikely(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;
}
- // FIXME
- // we should check that the DB lookup is possible
- // i.e.
- // - the duration of the chart includes the required timeframe
- // we SHOULD NOT check the dimensions - there might be alarms that refer non-existing dimensions (e.g. cpu steal)
+ 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;
+ }
+ }
return 1;
}
void *health_main(void *ptr) {
- (void)ptr;
+ struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
info("HEALTH thread created with task id %d", gettid());
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);
int oldstate, runnable = 0;
- time_t now = time(NULL);
+ time_t now = now_realtime_sec();
time_t next_run = now + min_run_every;
RRDCALC *rc;
- if (unlikely(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate) != 0))
+ if(unlikely(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate) != 0))
error("Cannot set pthread cancel state to DISABLE.");
rrdhost_rdlock(&localhost);
// the first loop is to lookup values from the db
- for (rc = localhost.alarms; rc; rc = rc->next) {
- if (unlikely(!rrdcalc_isrunnable(rc, now, &next_run)))
+ for(rc = localhost.alarms; rc; rc = rc->next) {
+ if(unlikely(!rrdcalc_isrunnable(rc, now, &next_run))) {
+ if(unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE))
+ rc->rrdcalc_flags &= ~RRDCALC_FLAG_RUNNABLE;
continue;
+ }
runnable++;
rc->old_value = rc->value;
+ rc->rrdcalc_flags |= RRDCALC_FLAG_RUNNABLE;
// 1. if there is database lookup, do it
// 2. if there is calculation expression, run it
if (unlikely(RRDCALC_HAS_DB_LOOKUP(rc))) {
- time_t old_db_timestamp = rc->db_before;
+ /* time_t old_db_timestamp = rc->db_before; */
int value_is_null = 0;
int ret = rrd2value(rc->rrdset, wb, &rc->value,
else if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_DB_ERROR))
rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_ERROR;
+ /* - RRDCALC_FLAG_DB_STALE not currently used
if (unlikely(old_db_timestamp == rc->db_before)) {
// database is 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
rc->value = NAN;
- 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));
+ debug(D_HEALTH, "Health alarm '%s.%s': expression '%s' failed: %s",
+ rc->chart?rc->chart:"NOCHART", rc->name, rc->calculation->parsed_as, buffer_tostring(rc->calculation->error_msg));
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));
+ error("Health alarm '%s.%s': expression '%s' failed: %s",
+ rc->chart?rc->chart:"NOCHART", rc->name, rc->calculation->parsed_as, buffer_tostring(rc->calculation->error_msg));
}
}
else {
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 "
+ debug(D_HEALTH, "Health alarm '%s.%s': expression '%s' gave value "
CALCULATED_NUMBER_FORMAT
": %s (source: %s)",
rc->chart?rc->chart:"NOCHART", rc->name,
+ rc->calculation->parsed_as,
rc->calculation->result,
buffer_tostring(rc->calculation->error_msg),
rc->source
}
rrdhost_unlock(&localhost);
- if (runnable) {
+ if(unlikely(runnable && !netdata_exit)) {
rrdhost_rdlock(&localhost);
- for (rc = localhost.alarms; rc; rc = rc->next) {
- if (unlikely(!rrdcalc_isrunnable(rc, now, &next_run)))
+ for(rc = localhost.alarms; rc; rc = rc->next) {
+ if(unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE)))
continue;
int warning_status = RRDCALC_STATUS_UNDEFINED;
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(&localhost);
- now = time(NULL);
+ if(unlikely(netdata_exit))
+ break;
+
+ now = now_realtime_sec();
if(now < next_run) {
debug(D_HEALTH, "Health monitoring iteration no %u done. Next iteration in %d secs",
loop, (int) (next_run - now));
- sleep_usec(1000000 * (unsigned long long) (next_run - now));
+ sleep_usec(USEC_PER_SEC * (usec_t) (next_run - now));
}
else {
debug(D_HEALTH, "Health monitoring iteration no %u done. Next iteration now", loop);
buffer_free(wb);
info("HEALTH thread exiting");
+
+ static_thread->enabled = 0;
pthread_exit(NULL);
return NULL;
}