src/web/api/exporters/allmetrics.c
// SPDX-License-Identifier: GPL-3.0-or-later
#include "allmetrics.h"
struct prometheus_output_options {
char *name;
PROMETHEUS_OUTPUT_OPTIONS flag;
} prometheus_output_flags_root[] = {
{ "names", PROMETHEUS_OUTPUT_NAMES },
{ "timestamps", PROMETHEUS_OUTPUT_TIMESTAMPS },
{ "variables", PROMETHEUS_OUTPUT_VARIABLES },
{ "oldunits", PROMETHEUS_OUTPUT_OLDUNITS },
{ "hideunits", PROMETHEUS_OUTPUT_HIDEUNITS },
// terminator
{ NULL, PROMETHEUS_OUTPUT_NONE },
};
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;
if (prometheus_exporter_instance)
prometheus_exporting_options = prometheus_exporter_instance->config.options;
else
prometheus_exporting_options = global_exporting_options;
PROMETHEUS_OUTPUT_OPTIONS prometheus_output_options =
PROMETHEUS_OUTPUT_TIMESTAMPS |
((prometheus_exporting_options & EXPORTING_OPTION_SEND_NAMES) ? PROMETHEUS_OUTPUT_NAMES : 0);
const char *prometheus_prefix;
if (prometheus_exporter_instance)
prometheus_prefix = prometheus_exporter_instance->config.prefix;
else
prometheus_prefix = global_exporting_prefix;
while(url) {
char *value = strsep_skip_consecutive_separators(&url, "&");
if (!value || !*value) continue;
char *name = strsep_skip_consecutive_separators(&value, "=");
if(!name || !*name) continue;
if(!value || !*value) continue;
if(!strcmp(name, "format")) {
if(!strcmp(value, ALLMETRICS_FORMAT_SHELL))
format = ALLMETRICS_SHELL;
else if(!strcmp(value, ALLMETRICS_FORMAT_PROMETHEUS))
format = ALLMETRICS_PROMETHEUS;
else if(!strcmp(value, ALLMETRICS_FORMAT_PROMETHEUS_ALL_HOSTS))
format = ALLMETRICS_PROMETHEUS_ALL_HOSTS;
else if(!strcmp(value, ALLMETRICS_FORMAT_JSON))
format = ALLMETRICS_JSON;
else
format = 0;
}
else if(!strcmp(name, "filter")) {
filter = value;
}
else if(!strcmp(name, "server")) {
prometheus_server = value;
}
else if(!strcmp(name, "prefix")) {
prometheus_prefix = value;
}
else if(!strcmp(name, "data") || !strcmp(name, "source") || !strcmp(name, "data source") || !strcmp(name, "data-source") || !strcmp(name, "data_source") || !strcmp(name, "datasource")) {
prometheus_exporting_options = exporting_parse_data_source(value, prometheus_exporting_options);
}
else {
int i;
for(i = 0; prometheus_output_flags_root[i].name ; i++) {
if(!strcmp(name, prometheus_output_flags_root[i].name)) {
if(!strcmp(value, "yes") || !strcmp(value, "1") || !strcmp(value, "true"))
prometheus_output_options |= prometheus_output_flags_root[i].flag;
else {
prometheus_output_options &= ~prometheus_output_flags_root[i].flag;
}
break;
}
}
}
}
buffer_flush(w->response.data);
buffer_no_cacheable(w->response.data);
switch(format) {
case ALLMETRICS_JSON:
w->response.data->content_type = CT_APPLICATION_JSON;
rrd_stats_api_v1_charts_allmetrics_json(host, filter, w->response.data);
return HTTP_RESP_OK;
case ALLMETRICS_SHELL:
w->response.data->content_type = CT_TEXT_PLAIN;
rrd_stats_api_v1_charts_allmetrics_shell(host, filter, w->response.data);
return HTTP_RESP_OK;
case ALLMETRICS_PROMETHEUS:
w->response.data->content_type = CT_PROMETHEUS;
rrd_stats_api_v1_charts_allmetrics_prometheus_single_host(
host
, filter
, w->response.data
, prometheus_server
, prometheus_prefix
, prometheus_exporting_options
, prometheus_output_options
);
return HTTP_RESP_OK;
case ALLMETRICS_PROMETHEUS_ALL_HOSTS:
w->response.data->content_type = CT_PROMETHEUS;
rrd_stats_api_v1_charts_allmetrics_prometheus_all_hosts(
host
, filter
, w->response.data
, prometheus_server
, prometheus_prefix
, prometheus_exporting_options
, prometheus_output_options
);
return HTTP_RESP_OK;
default:
w->response.data->content_type = CT_TEXT_PLAIN;
buffer_strcat(w->response.data, "Which format? '" ALLMETRICS_FORMAT_SHELL "', '" ALLMETRICS_FORMAT_PROMETHEUS "', '" ALLMETRICS_FORMAT_PROMETHEUS_ALL_HOSTS "' and '" ALLMETRICS_FORMAT_JSON "' are currently supported.");
return HTTP_RESP_BAD_REQUEST;
}
}