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// 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(program_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_unlock();
}
buffer_json_array_close(wb);
buffer_json_finalize(wb);
}
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