Merging upstream version 1.11.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 261 insertions, 0 deletions

diff --git a/health/health_json.c b/health/health_json.c
new file mode 100644
index 000000000..a049dc1b2
--- /dev/null
+++ b/health/health_json.c
@@ -0,0 +1,261 @@
+// 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"
+                   , 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
+    );
+
+    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\"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->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);
+}
+
+
+