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-rw-r--r--src/health/health_json.c286
1 files changed, 286 insertions, 0 deletions
diff --git a/src/health/health_json.c b/src/health/health_json.c
new file mode 100644
index 00000000..68bfb522
--- /dev/null
+++ b/src/health/health_json.c
@@ -0,0 +1,286 @@
+// 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);
+}
+
+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_print_netdata_double(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\"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\"summary\": \"%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->config.classification?rrdcalc_classification(rc):"Unknown"
+ , rc->config.component?rrdcalc_component(rc):"Unknown"
+ , rc->config.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->config.exec?rrdcalc_exec(rc):string2str(host->health.health_default_exec)
+ , rc->config.recipient?rrdcalc_recipient(rc):string2str(host->health.health_default_recipient)
+ , rrdcalc_source(rc)
+ , rrdcalc_units(rc)
+ , string2str(rc->summary)
+ , string2str(rc->info)
+ , rrdcalc_status2string(rc->status)
+ , (unsigned long)rc->last_status_change
+ , (unsigned long)rc->last_updated
+ , (unsigned long)rc->next_update
+ , rc->config.update_every
+ , rc->config.delay_up_duration
+ , rc->config.delay_down_duration
+ , rc->config.delay_max_duration
+ , rc->config.delay_multiplier
+ , rc->delay_last
+ , (unsigned long)rc->delay_up_to_timestamp
+ , rc->config.warn_repeat_every
+ , rc->config.crit_repeat_every
+ , value_string
+ , (unsigned long)rc->last_repeat
+ , (unsigned long)rc->times_repeat
+ );
+
+ if(unlikely(rc->config.alert_action_options & ALERT_ACTION_OPTION_NO_CLEAR_NOTIFICATION)) {
+ buffer_strcat(wb, "\t\t\t\"no_clear_notification\": true,\n");
+ }
+
+ if(RRDCALC_HAS_DB_LOOKUP(rc)) {
+ if(rc->config.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,
+ time_grouping_id2txt(rc->config.time_group),
+ rc->config.after,
+ rc->config.before
+ );
+ rrdr_options_to_buffer(wb, rc->config.options);
+ buffer_strcat(wb, "\",\n");
+ }
+
+ if(rc->config.calculation) {
+ health_string2json(wb, "\t\t\t", "calc", expression_source(rc->config.calculation), ",\n");
+ health_string2json(wb, "\t\t\t", "calc_parsed", expression_parsed_as(rc->config.calculation), ",\n");
+ }
+
+ if(rc->config.warning) {
+ health_string2json(wb, "\t\t\t", "warn", expression_source(rc->config.warning), ",\n");
+ health_string2json(wb, "\t\t\t", "warn_parsed", expression_parsed_as(rc->config.warning), ",\n");
+ }
+
+ if(rc->config.critical) {
+ health_string2json(wb, "\t\t\t", "crit", expression_source(rc->config.critical), ",\n");
+ health_string2json(wb, "\t\t\t", "crit_parsed", expression_parsed_as(rc->config.critical), ",\n");
+ }
+
+ buffer_strcat(wb, "\t\t\t\"green\":");
+ buffer_print_netdata_double(wb, NAN);
+ buffer_strcat(wb, ",\n");
+
+ buffer_strcat(wb, "\t\t\t\"red\":");
+ buffer_print_netdata_double(wb, NAN);
+ buffer_strcat(wb, ",\n");
+
+ buffer_strcat(wb, "\t\t\t\"value\":");
+ buffer_print_netdata_double(wb, rc->value);
+ buffer_strcat(wb, "\n");
+
+ buffer_strcat(wb, "\t\t}");
+}
+
+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 = strsep_skip_consecutive_separators(&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.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}\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");
+}
+
+void health_entry_flags_to_json_array(BUFFER *wb, const char *key, HEALTH_ENTRY_FLAGS flags) {
+ buffer_json_member_add_array(wb, key);
+
+ if(flags & HEALTH_ENTRY_FLAG_PROCESSED)
+ buffer_json_add_array_item_string(wb, "PROCESSED");
+ if(flags & HEALTH_ENTRY_FLAG_UPDATED)
+ buffer_json_add_array_item_string(wb, "UPDATED");
+ if(flags & HEALTH_ENTRY_FLAG_EXEC_RUN)
+ buffer_json_add_array_item_string(wb, "EXEC_RUN");
+ if(flags & HEALTH_ENTRY_FLAG_EXEC_FAILED)
+ buffer_json_add_array_item_string(wb, "EXEC_FAILED");
+ if(flags & HEALTH_ENTRY_FLAG_SILENCED)
+ buffer_json_add_array_item_string(wb, "SILENCED");
+ if(flags & HEALTH_ENTRY_RUN_ONCE)
+ buffer_json_add_array_item_string(wb, "RUN_ONCE");
+ if(flags & HEALTH_ENTRY_FLAG_EXEC_IN_PROGRESS)
+ buffer_json_add_array_item_string(wb, "EXEC_IN_PROGRESS");
+ if(flags & HEALTH_ENTRY_FLAG_IS_REPEATING)
+ buffer_json_add_array_item_string(wb, "RECURRING");
+ if(flags & HEALTH_ENTRY_FLAG_SAVED)
+ buffer_json_add_array_item_string(wb, "SAVED");
+ if(flags & HEALTH_ENTRY_FLAG_ACLK_QUEUED)
+ buffer_json_add_array_item_string(wb, "ACLK_QUEUED");
+ if(flags & HEALTH_ENTRY_FLAG_NO_CLEAR_NOTIFICATION)
+ buffer_json_add_array_item_string(wb, "NO_CLEAR_NOTIFICATION");
+
+ buffer_json_array_close(wb);
+}
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