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-rw-r--r--health/health_json.c267
1 files changed, 267 insertions, 0 deletions
diff --git a/health/health_json.c b/health/health_json.c
new file mode 100644
index 0000000..7811324
--- /dev/null
+++ b/health/health_json.c
@@ -0,0 +1,267 @@
+// 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);
+}
+
+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\"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\"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
+ , (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_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\"value_string\": \"%s\",\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
+ , value_string
+ );
+
+ 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_alarms2json(RRDHOST *host, BUFFER *wb, int all) {
+ int i;
+
+ 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());
+
+ 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(host, 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(host);
+}
+
+
+
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