diff options
Diffstat (limited to '')
| -rw-r--r-- | health/health_json.c | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/health/health_json.c b/health/health_json.c new file mode 100644 index 0000000..7b5a1e3 --- /dev/null +++ b/health/health_json.c @@ -0,0 +1,368 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "health.h" + +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\":\"", prefix, label); + buffer_strcat_htmlescape(wb, value); + buffer_strcat(wb, "\""); + buffer_strcat(wb, suffix); + } + else + buffer_sprintf(wb, "%s\"%s\":null%s", prefix, label, suffix); +} + +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\"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" + "\t\t\"value_string\": \"%s\",\n" + "\t\t\"old_value_string\": \"%s\",\n" + "\t\t\"last_repeat\": \"%lu\",\n" + "\t\t\"silenced\": \"%s\",\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:host->health_default_exec + , ae->recipient?ae->recipient:host->health_default_recipient + , ae->exec_code + , ae->source + , ae->units?ae->units:"" + , (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 + , ae->new_value_string + , ae->old_value_string + , (unsigned long)ae->last_repeat + , (ae->flags & HEALTH_ENTRY_FLAG_SILENCED)?"true":"false" + ); + + health_string2json(wb, "\t\t", "info", ae->info?ae->info:"", ",\n"); + + if(unlikely(ae->flags & HEALTH_ENTRY_FLAG_NO_CLEAR_NOTIFICATION)) { + buffer_strcat(wb, "\t\t\"no_clear_notification\": true,\n"); + } + + 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) { + netdata_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"); + + netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock); +} + +static inline void health_rrdcalc_values2json_nolock(RRDHOST *host, BUFFER *wb, RRDCALC *rc) { + (void)host; + buffer_sprintf(wb, + "\t\t\"%s.%s\": {\n" + "\t\t\t\"id\": %lu,\n" + , rc->chart, rc->name + , (unsigned long)rc->id); + + buffer_strcat(wb, "\t\t\t\"value\":"); + buffer_rrd_value(wb, rc->value); + buffer_strcat(wb, ",\n"); + + buffer_sprintf(wb, + "\t\t\t\"status\": \"%s\"\n" + , rrdcalc_status2string(rc->status)); + + buffer_strcat(wb, "\t\t}"); +} + +static inline void health_rrdcalc2json_nolock(RRDHOST *host, BUFFER *wb, RRDCALC *rc) { + char value_string[100 + 1]; + format_value_and_unit(value_string, 100, rc->value, rc->units, -1); + + 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\"disabled\": %s,\n" + "\t\t\t\"silenced\": %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" + "\t\t\t\"warn_repeat_every\": \"%u\",\n" + "\t\t\t\"crit_repeat_every\": \"%u\",\n" + "\t\t\t\"value_string\": \"%s\",\n" + "\t\t\t\"last_repeat\": \"%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->rrdcalc_flags & RRDCALC_FLAG_DISABLED)?"true":"false" + , (rc->rrdcalc_flags & RRDCALC_FLAG_SILENCED)?"true":"false" + , rc->exec?rc->exec:host->health_default_exec + , rc->recipient?rc->recipient:host->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 + , rc->warn_repeat_every + , rc->crit_repeat_every + , value_string + , (unsigned long)rc->last_repeat + ); + + if(unlikely(rc->options & RRDCALC_FLAG_NO_CLEAR_NOTIFICATION)) { + buffer_strcat(wb, "\t\t\t\"no_clear_notification\": true,\n"); + } + + 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_aggregate_alarms(RRDHOST *host, BUFFER *wb, BUFFER* contexts, RRDCALC_STATUS status) { + RRDCALC *rc; + int numberOfAlarms = 0; + char *tok = NULL; + char *p = NULL; + + rrdhost_rdlock(host); + + if (contexts) { + p = (char*)buffer_tostring(contexts); + while(p && *p && (tok = mystrsep(&p, ", |"))) { + if(!*tok) continue; + + for(rc = host->alarms; rc ; rc = rc->next) { + if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) + continue; + if(unlikely(rc->rrdset && rc->rrdset->hash_context == simple_hash(tok) + && !strcmp(rc->rrdset->context, tok) + && ((status==RRDCALC_STATUS_RAISED)?(rc->status >= RRDCALC_STATUS_WARNING):rc->status == status))) + numberOfAlarms++; + } + } + } + else { + for(rc = host->alarms; rc ; rc = rc->next) { + if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) + continue; + + if(unlikely((status==RRDCALC_STATUS_RAISED)?(rc->status >= RRDCALC_STATUS_WARNING):rc->status == status)) + numberOfAlarms++; + } + } + + buffer_sprintf(wb, "%d", numberOfAlarms); + rrdhost_unlock(host); +} + +static void health_alarms2json_fill_alarms(RRDHOST *host, BUFFER *wb, int all, void (*fp)(RRDHOST *, BUFFER *, RRDCALC *)) { + RRDCALC *rc; + int i; + 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"); + fp(host, wb, rc); + i++; + } +} + +void health_alarms2json(RRDHOST *host, BUFFER *wb, int all) { + rrdhost_rdlock(host); + 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, + host->health_enabled?"true":"false", + (unsigned long)now_realtime_sec()); + + health_alarms2json_fill_alarms(host, wb, all, health_rrdcalc2json_nolock); + +// 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(host); +} + +void health_alarms_values2json(RRDHOST *host, BUFFER *wb, int all) { + rrdhost_rdlock(host); + buffer_sprintf(wb, "{\n\t\"hostname\": \"%s\"," + "\n\t\"alarms\": {\n", + host->hostname); + + health_alarms2json_fill_alarms(host, wb, all, health_rrdcalc_values2json_nolock); + + buffer_strcat(wb, "\n\t}\n}\n"); + rrdhost_unlock(host); +} + + +void health_active_log_alarms_2json(RRDHOST *host, BUFFER *wb) { + netdata_rwlock_rdlock(&host->health_log.alarm_log_rwlock); + + buffer_sprintf(wb, "[\n"); + + unsigned int max = host->health_log.max; + unsigned int count = 0; + ALARM_ENTRY *ae; + for(ae = host->health_log.alarms; ae && count < max ; ae = ae->next) { + if (!ae->updated_by_id && + ((ae->new_status == RRDCALC_STATUS_WARNING || ae->new_status == RRDCALC_STATUS_CRITICAL) || + ((ae->old_status == RRDCALC_STATUS_WARNING || ae->old_status == RRDCALC_STATUS_CRITICAL) && + ae->new_status == RRDCALC_STATUS_REMOVED))) { + if (likely(count)) + buffer_strcat(wb, ","); + health_alarm_entry2json_nolock(wb, ae, host); + count++; + } + } + buffer_strcat(wb, "]"); + + netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock); +} |