Merging upstream version 1.46.3.

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

1 files changed, 104 insertions, 0 deletions

diff --git a/src/web/api/formatters/charts2json.c b/src/web/api/formatters/charts2json.c
new file mode 100644
index 000000000..0b45d77c4
--- /dev/null
+++ b/src/web/api/formatters/charts2json.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "charts2json.h"
+
+// generate JSON for the /api/v1/charts API call
+
+const char* get_release_channel() {
+    static int use_stable = -1;
+
+    if (use_stable == -1) {
+        char filename[FILENAME_MAX + 1];
+        snprintfz(filename, FILENAME_MAX, "%s/.environment", netdata_configured_user_config_dir);
+        procfile *ff = procfile_open(filename, "=", PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
+        if (ff) {
+            procfile_set_quotes(ff, "'\"");
+            ff = procfile_readall(ff);
+            if (ff) {
+                unsigned int i;
+                for (i = 0; i < procfile_lines(ff); i++) {
+                    if (!procfile_linewords(ff, i))
+                        continue;
+                    if (!strcmp(procfile_lineword(ff, i, 0), "RELEASE_CHANNEL")) {
+                        if (!strcmp(procfile_lineword(ff, i, 1), "stable"))
+                            use_stable = 1;
+                        else if (!strcmp(procfile_lineword(ff, i, 1), "nightly"))
+                            use_stable = 0;
+                        break;
+                    }
+                }
+                procfile_close(ff);
+            }
+        }
+        if (use_stable == -1)
+            use_stable = strchr(NETDATA_VERSION, '-') ? 0 : 1;
+    }
+    return (use_stable)?"stable":"nightly";
+}
+
+void charts2json(RRDHOST *host, BUFFER *wb) {
+    static char *custom_dashboard_info_js_filename = NULL;
+    size_t c = 0, dimensions = 0, memory = 0, alarms = 0;
+    RRDSET *st;
+
+    time_t now = now_realtime_sec();
+
+    if(unlikely(!custom_dashboard_info_js_filename))
+        custom_dashboard_info_js_filename = config_get(CONFIG_SECTION_WEB, "custom dashboard_info.js", "");
+
+    buffer_json_initialize(wb, "\"", "\"", 0, true, BUFFER_JSON_OPTIONS_DEFAULT);
+
+    buffer_json_member_add_string(wb, "hostname", rrdhost_hostname(host));
+    buffer_json_member_add_string(wb, "version", rrdhost_program_version(host));
+    buffer_json_member_add_string(wb, "release_channel", get_release_channel());
+    buffer_json_member_add_string(wb, "os", rrdhost_os(host));
+    buffer_json_member_add_string(wb, "timezone", rrdhost_timezone(host));
+    buffer_json_member_add_int64(wb, "update_every", host->rrd_update_every);
+    buffer_json_member_add_int64(wb, "history", host->rrd_history_entries);
+    buffer_json_member_add_string(wb, "memory_mode", rrd_memory_mode_name(host->rrd_memory_mode));
+    buffer_json_member_add_string(wb, "custom_info", custom_dashboard_info_js_filename);
+
+    buffer_json_member_add_object(wb, "charts");
+    rrdset_foreach_read(st, host) {
+        if (rrdset_is_available_for_viewers(st)) {
+
+            buffer_json_member_add_object(wb, rrdset_id(st));
+            rrdset2json(st, wb, &dimensions, &memory);
+            buffer_json_object_close(wb);
+            st->last_accessed_time_s = now;
+            c++;
+        }
+    }
+    rrdset_foreach_done(st);
+    buffer_json_object_close(wb);
+
+    RRDCALC *rc;
+    foreach_rrdcalc_in_rrdhost_read(host, rc) {
+        if(rc->rrdset)
+            alarms++;
+    }
+    foreach_rrdcalc_in_rrdhost_done(rc);
+
+    buffer_json_member_add_int64(wb, "charts_count", (int64_t) c);
+    buffer_json_member_add_int64(wb, "dimensions_count", (int64_t) dimensions);
+    buffer_json_member_add_int64(wb, "alarms_count", (int64_t)alarms);
+    buffer_json_member_add_int64(wb, "rrd_memory_bytes", (int64_t)memory);
+    buffer_json_member_add_int64(wb, "hosts_count", (int64_t) rrdhost_hosts_available());
+
+    buffer_json_member_add_array(wb, "hosts");
+    {
+        rrd_rdlock();
+        RRDHOST *h;
+        rrdhost_foreach_read(h) {
+            if(!rrdhost_should_be_removed(h, host, now) /*&& !rrdhost_flag_check(h, RRDHOST_FLAG_ARCHIVED) */) {
+                buffer_json_add_array_item_object(wb);
+                buffer_json_member_add_string(wb, "hostname", rrdhost_hostname(h));
+                buffer_json_object_close(wb);
+            }
+        }
+        rrd_rdunlock();
+    }
+    buffer_json_array_close(wb);
+
+    buffer_json_finalize(wb);
+}