@cryptotaxi247 / netdata-1
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1 // SPDX-License-Identifier: GPL-3.0-or-later
2
3 #include "charts2json.h"
4
5 // generate JSON for the /api/v1/charts API call
6
7 const char* get_release_channel() {
8 static int use_stable = -1;
9
10 if (use_stable == -1) {
11 char filename[FILENAME_MAX + 1];
12 snprintfz(filename, FILENAME_MAX, "%s/.environment", netdata_configured_user_config_dir);
13 procfile *ff = procfile_open(filename, "=", PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
14 if (ff) {
15 procfile_set_quotes(ff, "'\"");
16 ff = procfile_readall(ff);
17 if (ff) {
18 unsigned int i;
19 for (i = 0; i < procfile_lines(ff); i++) {
20 if (!procfile_linewords(ff, i))
21 continue;
22 if (!strcmp(procfile_lineword(ff, i, 0), "RELEASE_CHANNEL")) {
23 if (!strcmp(procfile_lineword(ff, i, 1), "stable"))
24 use_stable = 1;
25 else if (!strcmp(procfile_lineword(ff, i, 1), "nightly"))
26 use_stable = 0;
27 break;
28 }
29 }
30 procfile_close(ff);
31 }
32 }
33 if (use_stable == -1)
34 use_stable = strchr(NETDATA_VERSION, '-') ? 0 : 1;
35 }
36 return (use_stable)?"stable":"nightly";
37 }
38
39 void charts2json(RRDHOST *host, BUFFER *wb) {
40 static const char *custom_dashboard_info_js_filename = NULL;
41 size_t c = 0, dimensions = 0, memory = 0, alarms = 0;
42 RRDSET *st;
43
44 time_t now = now_realtime_sec();
45
46 if(unlikely(!custom_dashboard_info_js_filename))
47 custom_dashboard_info_js_filename = inicfg_get(&netdata_config, CONFIG_SECTION_WEB, "custom dashboard_info.js", "");
48
49 buffer_json_initialize(wb, "\"", "\"", 0, true, BUFFER_JSON_OPTIONS_DEFAULT);
50
51 buffer_json_member_add_string(wb, "hostname", rrdhost_hostname(host));
52 buffer_json_member_add_string(wb, "version", rrdhost_program_version(host));
53 buffer_json_member_add_string(wb, "release_channel", get_release_channel());
54 buffer_json_member_add_string(wb, "os", rrdhost_os(host));
55 {
56 RRDHOST_TZ host_tz = rrdhost_tz_get(host);
57 buffer_json_member_add_string(wb, "timezone", host_tz.timezone);
58 rrdhost_tz_free(&host_tz);
59 }
60 buffer_json_member_add_int64(wb, "update_every", host->rrd_update_every);
61 buffer_json_member_add_int64(wb, "history", host->rrd_history_entries);
62 buffer_json_member_add_string(wb, "memory_mode", rrd_memory_mode_name(host->rrd_memory_mode));
63 buffer_json_member_add_string(wb, "custom_info", custom_dashboard_info_js_filename);
64
65 buffer_json_member_add_object(wb, "charts");
66 rrdset_foreach_read(st, host) {
67 if (rrdset_is_available_for_viewers(st)) {
68
69 buffer_json_member_add_object(wb, rrdset_id(st));
70 rrdset2json(st, wb, &dimensions, &memory);
71 buffer_json_object_close(wb);
72 st->last_accessed_time_s = now;
73 c++;
74 }
75 }
76 rrdset_foreach_done(st);
77 buffer_json_object_close(wb);
78
79 RRDCALC *rc;
80 foreach_rrdcalc_in_rrdhost_read(host, rc) {
81 if(rc->rrdset)
82 alarms++;
83 }
84 foreach_rrdcalc_in_rrdhost_done(rc);
85
86 buffer_json_member_add_int64(wb, "charts_count", (int64_t) c);
87 buffer_json_member_add_int64(wb, "dimensions_count", (int64_t) dimensions);
88 buffer_json_member_add_int64(wb, "alarms_count", (int64_t)alarms);
89 buffer_json_member_add_int64(wb, "rrd_memory_bytes", (int64_t)memory);
90 buffer_json_member_add_int64(wb, "hosts_count", (int64_t) rrdhost_hosts_available());
91
92 buffer_json_member_add_array(wb, "hosts");
93 {
94 rrd_rdlock();
95 RRDHOST *h;
96 rrdhost_foreach_read(h) {
97 if(!rrdhost_should_be_cleaned_up(h, host, now) /*&& !rrdhost_flag_check(h, RRDHOST_FLAG_ARCHIVED) */) {
98 buffer_json_add_array_item_object(wb);
99 buffer_json_member_add_string(wb, "hostname", rrdhost_hostname(h));
100 buffer_json_object_close(wb);
101 }
102 }
103 rrd_rdunlock();
104 }
105 buffer_json_array_close(wb);
106
107 buffer_json_finalize(wb);
108 }