diff options
Diffstat (limited to 'src/web/api/formatters/charts2json.c')
| -rw-r--r-- | src/web/api/formatters/charts2json.c | 104 |
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); +} |