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-rw-r--r--src/backend_prometheus.c180
1 files changed, 131 insertions, 49 deletions
diff --git a/src/backend_prometheus.c b/src/backend_prometheus.c
index 88ec2c65b..bfcda9297 100644
--- a/src/backend_prometheus.c
+++ b/src/backend_prometheus.c
@@ -2,23 +2,29 @@
// ----------------------------------------------------------------------------
// PROMETHEUS
-// /api/v1/allmetrics?format=prometheus
+// /api/v1/allmetrics?format=prometheus and /api/v1/allmetrics?format=prometheus_all_hosts
static struct prometheus_server {
const char *server;
uint32_t hash;
+ RRDHOST *host;
time_t last_access;
struct prometheus_server *next;
} *prometheus_server_root = NULL;
-static inline time_t prometheus_server_last_access(const char *server, time_t now) {
+static inline time_t prometheus_server_last_access(const char *server, RRDHOST *host, time_t now) {
+ static netdata_mutex_t prometheus_server_root_mutex = NETDATA_MUTEX_INITIALIZER;
+
uint32_t hash = simple_hash(server);
+ netdata_mutex_lock(&prometheus_server_root_mutex);
+
struct prometheus_server *ps;
for(ps = prometheus_server_root; ps ;ps = ps->next) {
- if (hash == ps->hash && !strcmp(server, ps->server)) {
+ if (host == ps->host && hash == ps->hash && !strcmp(server, ps->server)) {
time_t last = ps->last_access;
ps->last_access = now;
+ netdata_mutex_unlock(&prometheus_server_root_mutex);
return last;
}
}
@@ -26,10 +32,12 @@ static inline time_t prometheus_server_last_access(const char *server, time_t no
ps = callocz(1, sizeof(struct prometheus_server));
ps->server = strdupz(server);
ps->hash = hash;
+ ps->host = host;
ps->last_access = now;
ps->next = prometheus_server_root;
prometheus_server_root = ps;
+ netdata_mutex_unlock(&prometheus_server_root_mutex);
return 0;
}
@@ -102,7 +110,7 @@ static inline char *prometheus_units_copy(char *d, const char *s, size_t usable)
#define PROMETHEUS_ELEMENT_MAX 256
#define PROMETHEUS_LABELS_MAX 1024
-static void rrd_stats_api_v1_charts_allmetrics_prometheus(RRDHOST *host, BUFFER *wb, const char *prefix, uint32_t options, time_t after, time_t before, int allhosts, int help, int types, int names) {
+static void rrd_stats_api_v1_charts_allmetrics_prometheus(RRDHOST *host, BUFFER *wb, const char *prefix, uint32_t options, time_t after, time_t before, int allhosts, int help, int types, int names, int timestamps) {
rrdhost_rdlock(host);
char hostname[PROMETHEUS_ELEMENT_MAX + 1];
@@ -110,14 +118,49 @@ static void rrd_stats_api_v1_charts_allmetrics_prometheus(RRDHOST *host, BUFFER
char labels[PROMETHEUS_LABELS_MAX + 1] = "";
if(allhosts) {
- if(host->tags && *(host->tags))
- buffer_sprintf(wb, "netdata_host_tags{instance=\"%s\",%s} 1 %llu\n", hostname, host->tags, now_realtime_usec() / USEC_PER_MS);
+ if(timestamps)
+ buffer_sprintf(wb, "netdata_info{instance=\"%s\",application=\"%s\",version=\"%s\"} 1 %llu\n", hostname, host->program_name, host->program_version, now_realtime_usec() / USEC_PER_MS);
+ else
+ buffer_sprintf(wb, "netdata_info{instance=\"%s\",application=\"%s\",version=\"%s\"} 1\n", hostname, host->program_name, host->program_version);
+
+ if(host->tags && *(host->tags)) {
+ if(timestamps) {
+ buffer_sprintf(wb, "netdata_host_tags_info{instance=\"%s\",%s} 1 %llu\n", hostname, host->tags, now_realtime_usec() / USEC_PER_MS);
+
+ // deprecated, exists only for compatibility with older queries
+ buffer_sprintf(wb, "netdata_host_tags{instance=\"%s\",%s} 1 %llu\n", hostname, host->tags, now_realtime_usec() / USEC_PER_MS);
+ }
+ else {
+ buffer_sprintf(wb, "netdata_host_tags_info{instance=\"%s\",%s} 1\n", hostname, host->tags);
+
+ // deprecated, exists only for compatibility with older queries
+ buffer_sprintf(wb, "netdata_host_tags{instance=\"%s\",%s} 1\n", hostname, host->tags);
+ }
+
+ }
snprintfz(labels, PROMETHEUS_LABELS_MAX, ",instance=\"%s\"", hostname);
}
else {
- if(host->tags && *(host->tags))
- buffer_sprintf(wb, "netdata_host_tags{%s} 1 %llu\n", host->tags, now_realtime_usec() / USEC_PER_MS);
+ if(timestamps)
+ buffer_sprintf(wb, "netdata_info{instance=\"%s\",application=\"%s\",version=\"%s\"} 1 %llu\n", hostname, host->program_name, host->program_version, now_realtime_usec() / USEC_PER_MS);
+ else
+ buffer_sprintf(wb, "netdata_info{instance=\"%s\",application=\"%s\",version=\"%s\"} 1\n", hostname, host->program_name, host->program_version);
+
+ if(host->tags && *(host->tags)) {
+ if(timestamps) {
+ buffer_sprintf(wb, "netdata_host_tags_info{%s} 1 %llu\n", host->tags, now_realtime_usec() / USEC_PER_MS);
+
+ // deprecated, exists only for compatibility with older queries
+ buffer_sprintf(wb, "netdata_host_tags{%s} 1 %llu\n", host->tags, now_realtime_usec() / USEC_PER_MS);
+ }
+ else {
+ buffer_sprintf(wb, "netdata_host_tags_info{%s} 1\n", host->tags);
+
+ // deprecated, exists only for compatibility with older queries
+ buffer_sprintf(wb, "netdata_host_tags{%s} 1\n", host->tags);
+ }
+ }
}
// for each chart
@@ -207,18 +250,31 @@ static void rrd_stats_api_v1_charts_allmetrics_prometheus(RRDHOST *host, BUFFER
, t
);
- buffer_sprintf(wb
- , "%s_%s%s{chart=\"%s\",family=\"%s\",dimension=\"%s\"%s} " COLLECTED_NUMBER_FORMAT " %llu\n"
- , prefix
- , context
- , suffix
- , chart
- , family
- , dimension
- , labels
- , rd->last_collected_value
- , timeval_msec(&rd->last_collected_time)
- );
+ if(timestamps)
+ buffer_sprintf(wb
+ , "%s_%s%s{chart=\"%s\",family=\"%s\",dimension=\"%s\"%s} " COLLECTED_NUMBER_FORMAT " %llu\n"
+ , prefix
+ , context
+ , suffix
+ , chart
+ , family
+ , dimension
+ , labels
+ , rd->last_collected_value
+ , timeval_msec(&rd->last_collected_time)
+ );
+ else
+ buffer_sprintf(wb
+ , "%s_%s%s{chart=\"%s\",family=\"%s\",dimension=\"%s\"%s} " COLLECTED_NUMBER_FORMAT "\n"
+ , prefix
+ , context
+ , suffix
+ , chart
+ , family
+ , dimension
+ , labels
+ , rd->last_collected_value
+ );
}
else {
// the dimensions of the chart, do not have the same algorithm, multiplier or divisor
@@ -253,18 +309,31 @@ static void rrd_stats_api_v1_charts_allmetrics_prometheus(RRDHOST *host, BUFFER
, t
);
- buffer_sprintf(wb
- , "%s_%s_%s%s{chart=\"%s\",family=\"%s\"%s} " COLLECTED_NUMBER_FORMAT " %llu\n"
- , prefix
- , context
- , dimension
- , suffix
- , chart
- , family
- , labels
- , rd->last_collected_value
- , timeval_msec(&rd->last_collected_time)
- );
+ if(timestamps)
+ buffer_sprintf(wb
+ , "%s_%s_%s%s{chart=\"%s\",family=\"%s\"%s} " COLLECTED_NUMBER_FORMAT " %llu\n"
+ , prefix
+ , context
+ , dimension
+ , suffix
+ , chart
+ , family
+ , labels
+ , rd->last_collected_value
+ , timeval_msec(&rd->last_collected_time)
+ );
+ else
+ buffer_sprintf(wb
+ , "%s_%s_%s%s{chart=\"%s\",family=\"%s\"%s} " COLLECTED_NUMBER_FORMAT "\n"
+ , prefix
+ , context
+ , dimension
+ , suffix
+ , chart
+ , family
+ , labels
+ , rd->last_collected_value
+ );
}
}
else {
@@ -302,18 +371,31 @@ static void rrd_stats_api_v1_charts_allmetrics_prometheus(RRDHOST *host, BUFFER
, suffix
);
- buffer_sprintf(wb, "%s_%s%s%s{chart=\"%s\",family=\"%s\",dimension=\"%s\"%s} " CALCULATED_NUMBER_FORMAT " %llu\n"
- , prefix
- , context
- , units
- , suffix
- , chart
- , family
- , dimension
- , labels
- , value
- , last_t * MSEC_PER_SEC
- );
+ if(timestamps)
+ buffer_sprintf(wb, "%s_%s%s%s{chart=\"%s\",family=\"%s\",dimension=\"%s\"%s} " CALCULATED_NUMBER_FORMAT " %llu\n"
+ , prefix
+ , context
+ , units
+ , suffix
+ , chart
+ , family
+ , dimension
+ , labels
+ , value
+ , last_t * MSEC_PER_SEC
+ );
+ else
+ buffer_sprintf(wb, "%s_%s%s%s{chart=\"%s\",family=\"%s\",dimension=\"%s\"%s} " CALCULATED_NUMBER_FORMAT "\n"
+ , prefix
+ , context
+ , units
+ , suffix
+ , chart
+ , family
+ , dimension
+ , labels
+ , value
+ );
}
}
}
@@ -329,7 +411,7 @@ static void rrd_stats_api_v1_charts_allmetrics_prometheus(RRDHOST *host, BUFFER
static inline time_t prometheus_preparation(RRDHOST *host, BUFFER *wb, uint32_t options, const char *server, time_t now, int help) {
if(!server || !*server) server = "default";
- time_t after = prometheus_server_last_access(server, now);
+ time_t after = prometheus_server_last_access(server, host, now);
int first_seen = 0;
if(!after) {
@@ -374,16 +456,16 @@ static inline time_t prometheus_preparation(RRDHOST *host, BUFFER *wb, uint32_t
return after;
}
-void rrd_stats_api_v1_charts_allmetrics_prometheus_single_host(RRDHOST *host, BUFFER *wb, const char *server, const char *prefix, uint32_t options, int help, int types, int names) {
+void rrd_stats_api_v1_charts_allmetrics_prometheus_single_host(RRDHOST *host, BUFFER *wb, const char *server, const char *prefix, uint32_t options, int help, int types, int names, int timestamps) {
time_t before = now_realtime_sec();
// we start at the point we had stopped before
time_t after = prometheus_preparation(host, wb, options, server, before, help);
- rrd_stats_api_v1_charts_allmetrics_prometheus(host, wb, prefix, options, after, before, 0, help, types, names);
+ rrd_stats_api_v1_charts_allmetrics_prometheus(host, wb, prefix, options, after, before, 0, help, types, names, timestamps);
}
-void rrd_stats_api_v1_charts_allmetrics_prometheus_all_hosts(RRDHOST *host, BUFFER *wb, const char *server, const char *prefix, uint32_t options, int help, int types, int names) {
+void rrd_stats_api_v1_charts_allmetrics_prometheus_all_hosts(RRDHOST *host, BUFFER *wb, const char *server, const char *prefix, uint32_t options, int help, int types, int names, int timestamps) {
time_t before = now_realtime_sec();
// we start at the point we had stopped before
@@ -391,7 +473,7 @@ void rrd_stats_api_v1_charts_allmetrics_prometheus_all_hosts(RRDHOST *host, BUFF
rrd_rdlock();
rrdhost_foreach_read(host) {
- rrd_stats_api_v1_charts_allmetrics_prometheus(host, wb, prefix, options, after, before, 1, help, types, names);
+ rrd_stats_api_v1_charts_allmetrics_prometheus(host, wb, prefix, options, after, before, 1, help, types, names, timestamps);
}
rrd_unlock();
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 05:00:53 +0000