]> arthur.barton.de Git - netdata.git/blobdiff - src/rrd2json.c
remove user-specified zero dimensions with nonzero option
[netdata.git] / src / rrd2json.c
index 474b5915db753f3becf23798bdf789d868249206..568d04e8d9275e20291d2532d77c96973d88cdde 100644 (file)
@@ -1,6 +1,6 @@
 #include "common.h"
 
-void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb)
+void rrd_stats_api_v1_chart_with_data(RRDSET *st, BUFFER *wb, size_t *dimensions_count, size_t *memory_used)
 {
     pthread_rwlock_rdlock(&st->rwlock);
 
@@ -41,7 +41,7 @@ void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb)
 
     unsigned long memory = st->memsize;
 
-    int c = 0;
+    size_t dimensions = 0;
     RRDDIM *rd;
     for(rd = st->dimensions; rd ; rd = rd->next) {
         if(rd->flags & RRDDIM_FLAG_HIDDEN) continue;
@@ -51,14 +51,17 @@ void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb)
         buffer_sprintf(wb,
             "%s"
             "\t\t\t\t\"%s\": { \"name\": \"%s\" }"
-            , c?",\n":""
+            , dimensions?",\n":""
             , rd->id
             , rd->name
             );
 
-        c++;
+        dimensions++;
     }
 
+    if(dimensions_count) *dimensions_count += dimensions;
+    if(memory_used) *memory_used += memory;
+
     buffer_strcat(wb, "\n\t\t\t},\n\t\t\t\"green\": ");
     buffer_rrd_value(wb, st->green);
     buffer_strcat(wb, ",\n\t\t\t\"red\": ");
@@ -71,9 +74,13 @@ void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb)
     pthread_rwlock_unlock(&st->rwlock);
 }
 
+void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb) {
+    rrd_stats_api_v1_chart_with_data(st, wb, NULL, NULL);
+}
+
 void rrd_stats_api_v1_charts(BUFFER *wb)
 {
-    long c;
+    size_t c, dimensions = 0, memory = 0, alarms = 0;
     RRDSET *st;
 
     buffer_sprintf(wb, "{\n"
@@ -93,19 +100,202 @@ void rrd_stats_api_v1_charts(BUFFER *wb)
             buffer_strcat(wb, "\n\t\t\"");
             buffer_strcat(wb, st->id);
             buffer_strcat(wb, "\": ");
-            rrd_stats_api_v1_chart(st, wb);
+            rrd_stats_api_v1_chart_with_data(st, wb, &dimensions, &memory);
             c++;
         }
     }
+
+    RRDCALC *rc;
+    for(rc = localhost.alarms; rc ; rc = rc->next) {
+        if(rc->rrdset)
+            alarms++;
+    }
     pthread_rwlock_unlock(&localhost.rrdset_root_rwlock);
 
-    buffer_strcat(wb, "\n\t}\n}\n");
+    buffer_sprintf(wb, "\n\t}"
+                    ",\n\t\"charts_count\": %zu"
+                    ",\n\t\"dimensions_count\": %zu"
+                    ",\n\t\"alarms_count\": %zu"
+                    ",\n\t\"rrd_memory_bytes\": %zu"
+                    "\n}\n"
+                   , c
+                   , dimensions
+                   , alarms
+                   , memory
+    );
 }
 
+// ----------------------------------------------------------------------------
+// PROMETHEUS
+// /api/v1/allmetrics?format=prometheus
+
+static inline size_t prometheus_name_copy(char *d, const char *s, size_t usable) {
+    size_t n;
+
+    for(n = 0; *s && n < usable ; d++, s++, n++) {
+        register char c = *s;
+
+        if(unlikely(!isalnum(c))) *d = '_';
+        else *d = c;
+    }
+    *d = '\0';
+
+    return n;
+}
+
+#define PROMETHEUS_ELEMENT_MAX 256
+
+void rrd_stats_api_v1_charts_allmetrics_prometheus(BUFFER *wb)
+{
+    pthread_rwlock_rdlock(&localhost.rrdset_root_rwlock);
+
+    char host[PROMETHEUS_ELEMENT_MAX + 1];
+    prometheus_name_copy(host, config_get("global", "hostname", "localhost"), PROMETHEUS_ELEMENT_MAX);
+
+    // for each chart
+    RRDSET *st;
+    for(st = localhost.rrdset_root; st ; st = st->next) {
+        char chart[PROMETHEUS_ELEMENT_MAX + 1];
+        prometheus_name_copy(chart, st->id, PROMETHEUS_ELEMENT_MAX);
+
+        buffer_strcat(wb, "\n");
+        if(st->enabled && st->dimensions) {
+            pthread_rwlock_rdlock(&st->rwlock);
+
+            // for each dimension
+            RRDDIM *rd;
+            for(rd = st->dimensions; rd ; rd = rd->next) {
+                if(rd->counter) {
+                    char dimension[PROMETHEUS_ELEMENT_MAX + 1];
+                    prometheus_name_copy(dimension, rd->id, PROMETHEUS_ELEMENT_MAX);
+
+                    // buffer_sprintf(wb, "# HELP %s.%s %s\n", st->id, rd->id, st->units);
+
+                    switch(rd->algorithm) {
+                        case RRDDIM_INCREMENTAL:
+                        case RRDDIM_PCENT_OVER_DIFF_TOTAL:
+                            buffer_sprintf(wb, "# TYPE %s_%s counter\n", chart, dimension);
+                            break;
+
+                        default:
+                            buffer_sprintf(wb, "# TYPE %s_%s gauge\n", chart, dimension);
+                            break;
+                    }
+
+                    // calculated_number n = (calculated_number)rd->last_collected_value * (calculated_number)(abs(rd->multiplier)) / (calculated_number)(abs(rd->divisor));
+                    // buffer_sprintf(wb, "%s.%s " CALCULATED_NUMBER_FORMAT " %llu\n", st->id, rd->id, n,
+                    //        (unsigned long long)((rd->last_collected_time.tv_sec * 1000) + (rd->last_collected_time.tv_usec / 1000)));
+
+                    buffer_sprintf(wb, "%s_%s{instance=\"%s\"} " COLLECTED_NUMBER_FORMAT " %llu\n",
+                            chart, dimension, host, rd->last_collected_value,
+                            (unsigned long long)((rd->last_collected_time.tv_sec * 1000) + (rd->last_collected_time.tv_usec / 1000)));
+
+                }
+            }
+
+            pthread_rwlock_unlock(&st->rwlock);
+        }
+    }
+
+    pthread_rwlock_unlock(&localhost.rrdset_root_rwlock);
+}
+
+// ----------------------------------------------------------------------------
+// BASH
+// /api/v1/allmetrics?format=bash
+
+static inline size_t shell_name_copy(char *d, const char *s, size_t usable) {
+    size_t n;
+
+    for(n = 0; *s && n < usable ; d++, s++, n++) {
+        register char c = *s;
+
+        if(unlikely(!isalnum(c))) *d = '_';
+        else *d = (char)toupper(c);
+    }
+    *d = '\0';
+
+    return n;
+}
+
+#define SHELL_ELEMENT_MAX 100
+
+void rrd_stats_api_v1_charts_allmetrics_shell(BUFFER *wb)
+{
+    pthread_rwlock_rdlock(&localhost.rrdset_root_rwlock);
+
+    char host[SHELL_ELEMENT_MAX + 1];
+    shell_name_copy(host, config_get("global", "hostname", "localhost"), SHELL_ELEMENT_MAX);
+
+    // for each chart
+    RRDSET *st;
+    for(st = localhost.rrdset_root; st ; st = st->next) {
+        calculated_number total = 0.0;
+        char chart[SHELL_ELEMENT_MAX + 1];
+        shell_name_copy(chart, st->id, SHELL_ELEMENT_MAX);
+
+        buffer_sprintf(wb, "\n# chart: %s (name: %s)\n", st->id, st->name);
+        if(st->enabled && st->dimensions) {
+            pthread_rwlock_rdlock(&st->rwlock);
+
+            // for each dimension
+            RRDDIM *rd;
+            for(rd = st->dimensions; rd ; rd = rd->next) {
+                if(rd->counter) {
+                    char dimension[SHELL_ELEMENT_MAX + 1];
+                    shell_name_copy(dimension, rd->id, SHELL_ELEMENT_MAX);
+
+                    calculated_number n = rd->last_stored_value;
+
+                    if(isnan(n) || isinf(n))
+                        buffer_sprintf(wb, "NETDATA_%s_%s=\"\"      # %s\n", chart, dimension, st->units);
+                    else {
+                        if(rd->multiplier < 0 || rd->divisor < 0) n = -n;
+                        n = roundl(n);
+                        if(!(rd->flags & RRDDIM_FLAG_HIDDEN)) total += n;
+                        buffer_sprintf(wb, "NETDATA_%s_%s=\"%0.0Lf\"      # %s\n", chart, dimension, n, st->units);
+                    }
+                }
+            }
+
+            total = roundl(total);
+            buffer_sprintf(wb, "NETDATA_%s_VISIBLETOTAL=\"%0.0Lf\"      # %s\n", chart, total, st->units);
+            pthread_rwlock_unlock(&st->rwlock);
+        }
+    }
+
+    buffer_strcat(wb, "\n# NETDATA ALARMS RUNNING\n");
+
+    RRDCALC *rc;
+    for(rc = localhost.alarms; rc ;rc = rc->next) {
+        if(!rc->rrdset) continue;
+
+        char chart[SHELL_ELEMENT_MAX + 1];
+        shell_name_copy(chart, rc->rrdset->id, SHELL_ELEMENT_MAX);
+
+        char alarm[SHELL_ELEMENT_MAX + 1];
+        shell_name_copy(alarm, rc->name, SHELL_ELEMENT_MAX);
+
+        calculated_number n = rc->value;
+
+        if(isnan(n) || isinf(n))
+            buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_VALUE=\"\"      # %s\n", chart, alarm, rc->units);
+        else {
+            n = roundl(n);
+            buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_VALUE=\"%0.0Lf\"      # %s\n", chart, alarm, n, rc->units);
+        }
+
+        buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_STATUS=\"%s\"\n", chart, alarm, rrdcalc_status2string(rc->status));
+    }
+
+    pthread_rwlock_unlock(&localhost.rrdset_root_rwlock);
+}
+
+// ----------------------------------------------------------------------------
 
 unsigned long rrd_stats_one_json(RRDSET *st, char *options, BUFFER *wb)
 {
-    time_t now = time(NULL);
+    time_t now = now_realtime_sec();
 
     pthread_rwlock_rdlock(&st->rwlock);
 
@@ -351,7 +541,7 @@ static void rrdr_dump(RRDR *r)
 }
 */
 
-void rrdr_disable_not_selected_dimensions(RRDR *r, const char *dims)
+void rrdr_disable_not_selected_dimensions(RRDR *r, uint32_t options, const char *dims)
 {
     char b[strlen(dims) + 1];
     char *o = b, *tok;
@@ -377,7 +567,8 @@ void rrdr_disable_not_selected_dimensions(RRDR *r, const char *dims)
                 // since the user needs this dimension
                 // make it appear as NONZERO, to return it
                 // even if the dimension has only zeros
-                r->od[c] |= RRDR_NONZERO;
+                // unless option non_zero is set
+                if (!(options & RRDR_OPTION_NONZERO)) r->od[c] |= RRDR_NONZERO;
             }
         }
     }
@@ -434,17 +625,21 @@ void rrdr_buffer_print_format(BUFFER *wb, uint32_t format)
 
 uint32_t rrdr_check_options(RRDR *r, uint32_t options, const char *dims)
 {
+    (void)dims;
+
     if(options & RRDR_OPTION_NONZERO) {
         long i;
 
-        if(dims && *dims) {
+        // commented due to #1514
+
+        //if(dims && *dims) {
             // the caller wants specific dimensions
             // disable NONZERO option
             // to make sure we don't accidentally prevent
             // the specific dimensions from being returned
-            i = 0;
-        }
-        else {
+            // i = 0;
+        //}
+        //else {
             // find how many dimensions are not zero
             long c;
             RRDDIM *rd;
@@ -453,7 +648,7 @@ uint32_t rrdr_check_options(RRDR *r, uint32_t options, const char *dims)
                 if(unlikely(!(r->od[c] & RRDR_NONZERO))) continue;
                 i++;
             }
-        }
+        //}
 
         // if with nonzero we get i = 0 (no dimensions will be returned)
         // disable nonzero to show all dimensions
@@ -1158,7 +1353,7 @@ inline static void rrdr_free(RRDR *r)
     freez(r);
 }
 
-inline void rrdr_done(RRDR *r)
+static inline void rrdr_done(RRDR *r)
 {
     r->rows = r->c + 1;
     r->c = 0;
@@ -1209,19 +1404,32 @@ RRDR *rrd2rrdr(RRDSET *st, long points, long long after, long long before, int g
     time_t last_entry_t  = rrdset_last_entry_t(st);
 
     if(before == 0 && after == 0) {
+        // dump the all the data
         before = last_entry_t;
         after = first_entry_t;
         absolute_period_requested = 0;
     }
 
-    // allow relative for before and after (smaller than 3 years)
-    if(((before < 0)?-before:before) <= (3 * 365 * 86400)) {
-        before = last_entry_t + before;
+    // allow relative for before (smaller than API_RELATIVE_TIME_MAX)
+    if(((before < 0)?-before:before) <= API_RELATIVE_TIME_MAX) {
+        if(abs(before) % st->update_every) {
+            // make sure it is multiple of st->update_every
+            if(before < 0) before = before - st->update_every - before % st->update_every;
+            else           before = before + st->update_every - before % st->update_every;
+        }
+        if(before > 0) before = first_entry_t + before;
+        else           before = last_entry_t  + before;
         absolute_period_requested = 0;
     }
 
-    if(((after < 0)?-after:after) <= (3 * 365 * 86400)) {
+    // allow relative for after (smaller than API_RELATIVE_TIME_MAX)
+    if(((after < 0)?-after:after) <= API_RELATIVE_TIME_MAX) {
         if(after == 0) after = -st->update_every;
+        if(abs(after) % st->update_every) {
+            // make sure it is multiple of st->update_every
+            if(after < 0) after = after - st->update_every - after % st->update_every;
+            else          after = after + st->update_every - after % st->update_every;
+        }
         after = before + after;
         absolute_period_requested = 0;
     }
@@ -1571,7 +1779,7 @@ int rrd2value(RRDSET *st, BUFFER *wb, calculated_number *n, const char *dimensio
     options = rrdr_check_options(r, options, dimensions);
 
     if(dimensions)
-        rrdr_disable_not_selected_dimensions(r, dimensions);
+        rrdr_disable_not_selected_dimensions(r, options, dimensions);
 
     if(db_after)  *db_after  = r->after;
     if(db_before) *db_before = r->before;
@@ -1599,7 +1807,7 @@ int rrd2format(RRDSET *st, BUFFER *wb, BUFFER *dimensions, uint32_t format, long
     options = rrdr_check_options(r, options, (dimensions)?buffer_tostring(dimensions):NULL);
 
     if(dimensions)
-        rrdr_disable_not_selected_dimensions(r, buffer_tostring(dimensions));
+        rrdr_disable_not_selected_dimensions(r, options, buffer_tostring(dimensions));
 
     if(latest_timestamp && rrdr_rows(r) > 0)
         *latest_timestamp = r->before;