diff options
Diffstat (limited to 'health/health_json.c')
| -rw-r--r-- | health/health_json.c | 439 |
1 files changed, 439 insertions, 0 deletions
diff --git a/health/health_json.c b/health/health_json.c new file mode 100644 index 0000000..2dd59fd --- /dev/null +++ b/health/health_json.c @@ -0,0 +1,439 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "health.h" + +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); +} + +void health_alarm_entry2json_nolock(BUFFER *wb, ALARM_ENTRY *ae, RRDHOST *host) { + char *edit_command = ae->source ? health_edit_command_from_source(ae_source(ae)) : strdupz("UNKNOWN=0=UNKNOWN"); + char config_hash_id[GUID_LEN + 1]; + uuid_unparse_lower(ae->config_hash_id, config_hash_id); + + buffer_sprintf(wb, + "\n\t{\n" + "\t\t\"hostname\": \"%s\",\n" + "\t\t\"utc_offset\": %d,\n" + "\t\t\"timezone\": \"%s\",\n" + "\t\t\"unique_id\": %u,\n" + "\t\t\"alarm_id\": %u,\n" + "\t\t\"alarm_event_id\": %u,\n" + "\t\t\"config_hash_id\": \"%s\",\n" + "\t\t\"name\": \"%s\",\n" + "\t\t\"chart\": \"%s\",\n" + "\t\t\"context\": \"%s\",\n" + "\t\t\"family\": \"%s\",\n" + "\t\t\"class\": \"%s\",\n" + "\t\t\"component\": \"%s\",\n" + "\t\t\"type\": \"%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\"command\": \"%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" + , rrdhost_hostname(host) + , host->utc_offset + , rrdhost_abbrev_timezone(host) + , ae->unique_id + , ae->alarm_id + , ae->alarm_event_id + , config_hash_id + , ae_name(ae) + , ae_chart_name(ae) + , ae_chart_context(ae) + , ae_family(ae) + , ae->classification?ae_classification(ae):"Unknown" + , ae->component?ae_component(ae):"Unknown" + , ae->type?ae_type(ae):"Unknown" + , (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(ae):string2str(host->health_default_exec) + , ae->recipient?ae_recipient(ae):string2str(host->health_default_recipient) + , ae->exec_code + , ae_source(ae) + , edit_command + , ae_units(ae) + , (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) + , ae_old_value_string(ae) + , (unsigned long)ae->last_repeat + , (ae->flags & HEALTH_ENTRY_FLAG_SILENCED)?"true":"false" + ); + + health_string2json(wb, "\t\t", "info", ae->info ? ae_info(ae) : "", ",\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}"); + + freez(edit_command); +} + +void health_alarm_log2json(RRDHOST *host, BUFFER *wb, uint32_t after, char *chart) { + + buffer_strcat(wb, "["); + + unsigned int max = host->health_log.max; + unsigned int count = 0; + + STRING *chart_string = string_strdupz(chart); + + netdata_rwlock_rdlock(&host->health_log.alarm_log_rwlock); + + ALARM_ENTRY *ae; + for (ae = host->health_log.alarms; ae && count < max; ae = ae->next) { + if ((ae->unique_id > after) && (!chart || chart_string == ae->chart)) { + if (likely(count)) + buffer_strcat(wb, ","); + health_alarm_entry2json_nolock(wb, ae, host); + count++; + } + } + + netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock); + + string_freez(chart_string); + + buffer_strcat(wb, "\n]\n"); +} + +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" + , rrdcalc_chart_name(rc), rrdcalc_name(rc) + , (unsigned long)rc->id); + + buffer_strcat(wb, "\t\t\t\"value\":"); + buffer_rrd_value(wb, rc->value); + buffer_strcat(wb, ",\n"); + + buffer_strcat(wb, "\t\t\t\"last_updated\":"); + buffer_sprintf(wb, "%lu", (unsigned long)rc->last_updated); + 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, rrdcalc_units(rc), -1); + + char hash_id[GUID_LEN + 1]; + uuid_unparse_lower(rc->config_hash_id, hash_id); + + buffer_sprintf(wb, + "\t\t\"%s.%s\": {\n" + "\t\t\t\"id\": %lu,\n" + "\t\t\t\"config_hash_id\": \"%s\",\n" + "\t\t\t\"name\": \"%s\",\n" + "\t\t\t\"chart\": \"%s\",\n" + "\t\t\t\"family\": \"%s\",\n" + "\t\t\t\"class\": \"%s\",\n" + "\t\t\t\"component\": \"%s\",\n" + "\t\t\t\"type\": \"%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" + "\t\t\t\"times_repeat\": %lu,\n" + , rrdcalc_chart_name(rc), rrdcalc_name(rc) + , (unsigned long)rc->id + , hash_id + , rrdcalc_name(rc) + , rrdcalc_chart_name(rc) + , (rc->rrdset)?rrdset_family(rc->rrdset):"" + , rc->classification?rrdcalc_classification(rc):"Unknown" + , rc->component?rrdcalc_component(rc):"Unknown" + , rc->type?rrdcalc_type(rc):"Unknown" + , (rc->rrdset)?"true":"false" + , (rc->run_flags & RRDCALC_FLAG_DISABLED)?"true":"false" + , (rc->run_flags & RRDCALC_FLAG_SILENCED)?"true":"false" + , rc->exec?rrdcalc_exec(rc):string2str(host->health_default_exec) + , rc->recipient?rrdcalc_recipient(rc):string2str(host->health_default_recipient) + , rrdcalc_source(rc) + , rrdcalc_units(rc) + , rrdcalc_info(rc) + , 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 + , (unsigned long)rc->times_repeat + ); + + if(unlikely(rc->options & RRDCALC_OPTION_NO_CLEAR_NOTIFICATION)) { + buffer_strcat(wb, "\t\t\t\"no_clear_notification\": true,\n"); + } + + if(RRDCALC_HAS_DB_LOOKUP(rc)) { + if(rc->dimensions) + health_string2json(wb, "\t\t\t", "lookup_dimensions", rrdcalc_dimensions(rc), ",\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; + + if (contexts) { + p = (char*)buffer_tostring(contexts); + while(p && *p && (tok = mystrsep(&p, ", |"))) { + if(!*tok) continue; + + STRING *tok_string = string_strdupz(tok); + + foreach_rrdcalc_in_rrdhost_read(host, rc) { + if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) + continue; + if (unlikely(!rrdset_is_available_for_exporting_and_alarms(rc->rrdset))) + continue; + if(unlikely(rc->rrdset + && rc->rrdset->context == tok_string + && ((status==RRDCALC_STATUS_RAISED)?(rc->status >= RRDCALC_STATUS_WARNING):rc->status == status))) + numberOfAlarms++; + } + foreach_rrdcalc_in_rrdhost_done(rc); + + string_freez(tok_string); + } + } + else { + foreach_rrdcalc_in_rrdhost_read(host, rc) { + if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) + continue; + if (unlikely(!rrdset_is_available_for_exporting_and_alarms(rc->rrdset))) + continue; + if(unlikely((status==RRDCALC_STATUS_RAISED)?(rc->status >= RRDCALC_STATUS_WARNING):rc->status == status)) + numberOfAlarms++; + } + foreach_rrdcalc_in_rrdhost_done(rc); + } + + buffer_sprintf(wb, "%d", numberOfAlarms); +} + +static void health_alarms2json_fill_alarms(RRDHOST *host, BUFFER *wb, int all, void (*fp)(RRDHOST *, BUFFER *, RRDCALC *)) { + RRDCALC *rc; + int i = 0; + foreach_rrdcalc_in_rrdhost_read(host, rc) { + if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) + continue; + + if (unlikely(!rrdset_is_available_for_exporting_and_alarms(rc->rrdset))) + 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++; + } + foreach_rrdcalc_in_rrdhost_done(rc); +} + +void health_alarms2json(RRDHOST *host, BUFFER *wb, int all) { + 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", + rrdhost_hostname(host), + (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); + +// rrdhost_rdlock(host); +// buffer_strcat(wb, "\n\t},\n\t\"templates\": {"); +// RRDCALCTEMPLATE *rt; +// for(rt = host->templates; rt ; rt = rt->next) +// health_rrdcalctemplate2json_nolock(wb, rt); +// rrdhost_unlock(host); + + buffer_strcat(wb, "\n\t}\n}\n"); +} + +void health_alarms_values2json(RRDHOST *host, BUFFER *wb, int all) { + buffer_sprintf(wb, "{\n\t\"hostname\": \"%s\"," + "\n\t\"alarms\": {\n", + rrdhost_hostname(host)); + + health_alarms2json_fill_alarms(host, wb, all, health_rrdcalc_values2json_nolock); + + buffer_strcat(wb, "\n\t}\n}\n"); +} + +static int have_recent_alarm(RRDHOST *host, uint32_t alarm_id, uint32_t mark) +{ + ALARM_ENTRY *ae = host->health_log.alarms; + + while(ae) { + if (ae->alarm_id == alarm_id && ae->unique_id > mark && + (ae->new_status != RRDCALC_STATUS_WARNING && ae->new_status != RRDCALC_STATUS_CRITICAL)) + return 1; + ae = ae->next; + } + return 0; +} + +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 (have_recent_alarm(host, ae->alarm_id, ae->unique_id)) + continue; + + 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); +} |