3 files changed, 22 insertions, 6 deletions

diff --git a/web/api/exporters/allmetrics.c b/web/api/exporters/allmetrics.c
index 1eba815c3..88065400d 100644
--- a/web/api/exporters/allmetrics.c
+++ b/web/api/exporters/allmetrics.c
@@ -19,6 +19,7 @@ struct prometheus_output_options {
 
 inline int web_client_api_request_v1_allmetrics(RRDHOST *host, struct web_client *w, char *url) {
     int format = ALLMETRICS_SHELL;
+    const char *filter = NULL;
     const char *prometheus_server = w->client_ip;
 
     uint32_t prometheus_exporting_options;
@@ -57,6 +58,9 @@ inline int web_client_api_request_v1_allmetrics(RRDHOST *host, struct web_client
             else
                 format = 0;
         }
+        else if(!strcmp(name, "filter")) {
+            filter = value;
+        }
         else if(!strcmp(name, "server")) {
             prometheus_server = value;
         }
@@ -87,18 +91,19 @@ inline int web_client_api_request_v1_allmetrics(RRDHOST *host, struct web_client
     switch(format) {
         case ALLMETRICS_JSON:
             w->response.data->contenttype = CT_APPLICATION_JSON;
-            rrd_stats_api_v1_charts_allmetrics_json(host, w->response.data);
+            rrd_stats_api_v1_charts_allmetrics_json(host, filter, w->response.data);
             return HTTP_RESP_OK;
 
         case ALLMETRICS_SHELL:
             w->response.data->contenttype = CT_TEXT_PLAIN;
-            rrd_stats_api_v1_charts_allmetrics_shell(host, w->response.data);
+            rrd_stats_api_v1_charts_allmetrics_shell(host, filter, w->response.data);
             return HTTP_RESP_OK;
 
         case ALLMETRICS_PROMETHEUS:
             w->response.data->contenttype = CT_PROMETHEUS;
             rrd_stats_api_v1_charts_allmetrics_prometheus_single_host(
                     host
+                    , filter
                     , w->response.data
                     , prometheus_server
                     , prometheus_prefix
@@ -111,6 +116,7 @@ inline int web_client_api_request_v1_allmetrics(RRDHOST *host, struct web_client
             w->response.data->contenttype = CT_PROMETHEUS;
             rrd_stats_api_v1_charts_allmetrics_prometheus_all_hosts(
                     host
+                    , filter
                     , w->response.data
                     , prometheus_server
                     , prometheus_prefix
diff --git a/web/api/exporters/shell/allmetrics_shell.c b/web/api/exporters/shell/allmetrics_shell.c
index 0cbaf3069..b9b6c904b 100644
--- a/web/api/exporters/shell/allmetrics_shell.c
+++ b/web/api/exporters/shell/allmetrics_shell.c
@@ -22,13 +22,17 @@ static inline size_t shell_name_copy(char *d, const char *s, size_t usable) {
 
 #define SHELL_ELEMENT_MAX 100
 
-void rrd_stats_api_v1_charts_allmetrics_shell(RRDHOST *host, BUFFER *wb) {
+void rrd_stats_api_v1_charts_allmetrics_shell(RRDHOST *host, const char *filter_string, BUFFER *wb) {
     analytics_log_shell();
+    SIMPLE_PATTERN *filter = simple_pattern_create(filter_string, NULL, SIMPLE_PATTERN_EXACT);
     rrdhost_rdlock(host);
 
     // for each chart
     RRDSET *st;
     rrdset_foreach_read(st, host) {
+        if (filter && !simple_pattern_matches(filter, st->name))
+            continue;
+
         calculated_number total = 0.0;
         char chart[SHELL_ELEMENT_MAX + 1];
         shell_name_copy(chart, st->name?st->name:st->id, SHELL_ELEMENT_MAX);
@@ -88,12 +92,14 @@ void rrd_stats_api_v1_charts_allmetrics_shell(RRDHOST *host, BUFFER *wb) {
     }
 
     rrdhost_unlock(host);
+    simple_pattern_free(filter);
 }
 
 // ----------------------------------------------------------------------------
 
-void rrd_stats_api_v1_charts_allmetrics_json(RRDHOST *host, BUFFER *wb) {
+void rrd_stats_api_v1_charts_allmetrics_json(RRDHOST *host, const char *filter_string, BUFFER *wb) {
     analytics_log_json();
+    SIMPLE_PATTERN *filter = simple_pattern_create(filter_string, NULL, SIMPLE_PATTERN_EXACT);
     rrdhost_rdlock(host);
 
     buffer_strcat(wb, "{");
@@ -104,6 +110,9 @@ void rrd_stats_api_v1_charts_allmetrics_json(RRDHOST *host, BUFFER *wb) {
     // for each chart
     RRDSET *st;
     rrdset_foreach_read(st, host) {
+        if (filter && !(simple_pattern_matches(filter, st->id) || simple_pattern_matches(filter, st->name)))
+            continue;
+
         if(rrdset_is_available_for_viewers(st)) {
             rrdset_rdlock(st);
 
@@ -160,5 +169,6 @@ void rrd_stats_api_v1_charts_allmetrics_json(RRDHOST *host, BUFFER *wb) {
 
     buffer_strcat(wb, "\n}");
     rrdhost_unlock(host);
+    simple_pattern_free(filter);
 }
 
diff --git a/web/api/exporters/shell/allmetrics_shell.h b/web/api/exporters/shell/allmetrics_shell.h
index 1d7611a2d..1ee9aa717 100644
--- a/web/api/exporters/shell/allmetrics_shell.h
+++ b/web/api/exporters/shell/allmetrics_shell.h
@@ -15,7 +15,7 @@
 #define ALLMETRICS_JSON                         3
 #define ALLMETRICS_PROMETHEUS_ALL_HOSTS         4
 
-extern void rrd_stats_api_v1_charts_allmetrics_json(RRDHOST *host, BUFFER *wb);
-extern void rrd_stats_api_v1_charts_allmetrics_shell(RRDHOST *host, BUFFER *wb);
+extern void rrd_stats_api_v1_charts_allmetrics_json(RRDHOST *host, const char *filter_string, BUFFER *wb);
+extern void rrd_stats_api_v1_charts_allmetrics_shell(RRDHOST *host, const char *filter_string, BUFFER *wb);
 
 #endif //NETDATA_API_ALLMETRICS_SHELL_H