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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 14:31:17 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 14:31:17 +0000
commit8020f71afd34d7696d7933659df2d763ab05542f (patch)
tree2fdf1b5447ffd8bdd61e702ca183e814afdcb4fc /health/health_json.c
parentInitial commit. (diff)
downloadnetdata-8020f71afd34d7696d7933659df2d763ab05542f.tar.xz
netdata-8020f71afd34d7696d7933659df2d763ab05542f.zip
Adding upstream version 1.37.1.upstream/1.37.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'health/health_json.c')
-rw-r--r--health/health_json.c439
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);
+}