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|
package collector
import (
"log"
"sync"
plusclient "github.com/nginxinc/nginx-plus-go-client/client"
"github.com/prometheus/client_golang/prometheus"
)
// NginxPlusCollector collects NGINX Plus metrics. It implements prometheus.Collector interface.
type NginxPlusCollector struct {
nginxClient *plusclient.NginxClient
totalMetrics map[string]*prometheus.Desc
serverZoneMetrics map[string]*prometheus.Desc
upstreamMetrics map[string]*prometheus.Desc
upstreamServerMetrics map[string]*prometheus.Desc
streamServerZoneMetrics map[string]*prometheus.Desc
streamUpstreamMetrics map[string]*prometheus.Desc
streamUpstreamServerMetrics map[string]*prometheus.Desc
streamZoneSyncMetrics map[string]*prometheus.Desc
locationZoneMetrics map[string]*prometheus.Desc
resolverMetrics map[string]*prometheus.Desc
upMetric prometheus.Gauge
mutex sync.Mutex
}
// NewNginxPlusCollector creates an NginxPlusCollector.
func NewNginxPlusCollector(nginxClient *plusclient.NginxClient, namespace string, constLabels map[string]string) *NginxPlusCollector {
return &NginxPlusCollector{
nginxClient: nginxClient,
totalMetrics: map[string]*prometheus.Desc{
"connections_accepted": newGlobalMetric(namespace, "connections_accepted", "Accepted client connections", constLabels),
"connections_dropped": newGlobalMetric(namespace, "connections_dropped", "Dropped client connections", constLabels),
"connections_active": newGlobalMetric(namespace, "connections_active", "Active client connections", constLabels),
"connections_idle": newGlobalMetric(namespace, "connections_idle", "Idle client connections", constLabels),
"http_requests_total": newGlobalMetric(namespace, "http_requests_total", "Total http requests", constLabels),
"http_requests_current": newGlobalMetric(namespace, "http_requests_current", "Current http requests", constLabels),
"ssl_handshakes": newGlobalMetric(namespace, "ssl_handshakes", "Successful SSL handshakes", constLabels),
"ssl_handshakes_failed": newGlobalMetric(namespace, "ssl_handshakes_failed", "Failed SSL handshakes", constLabels),
"ssl_session_reuses": newGlobalMetric(namespace, "ssl_session_reuses", "Session reuses during SSL handshake", constLabels),
},
serverZoneMetrics: map[string]*prometheus.Desc{
"processing": newServerZoneMetric(namespace, "processing", "Client requests that are currently being processed", constLabels),
"requests": newServerZoneMetric(namespace, "requests", "Total client requests", constLabels),
"responses_1xx": newServerZoneMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "1xx"})),
"responses_2xx": newServerZoneMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "2xx"})),
"responses_3xx": newServerZoneMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "3xx"})),
"responses_4xx": newServerZoneMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "4xx"})),
"responses_5xx": newServerZoneMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "5xx"})),
"discarded": newServerZoneMetric(namespace, "discarded", "Requests completed without sending a response", constLabels),
"received": newServerZoneMetric(namespace, "received", "Bytes received from clients", constLabels),
"sent": newServerZoneMetric(namespace, "sent", "Bytes sent to clients", constLabels),
},
streamServerZoneMetrics: map[string]*prometheus.Desc{
"processing": newStreamServerZoneMetric(namespace, "processing", "Client connections that are currently being processed", constLabels),
"connections": newStreamServerZoneMetric(namespace, "connections", "Total connections", constLabels),
"sessions_2xx": newStreamServerZoneMetric(namespace, "sessions", "Total sessions completed", MergeLabels(constLabels, prometheus.Labels{"code": "2xx"})),
"sessions_4xx": newStreamServerZoneMetric(namespace, "sessions", "Total sessions completed", MergeLabels(constLabels, prometheus.Labels{"code": "4xx"})),
"sessions_5xx": newStreamServerZoneMetric(namespace, "sessions", "Total sessions completed", MergeLabels(constLabels, prometheus.Labels{"code": "5xx"})),
"discarded": newStreamServerZoneMetric(namespace, "discarded", "Connections completed without creating a session", constLabels),
"received": newStreamServerZoneMetric(namespace, "received", "Bytes received from clients", constLabels),
"sent": newStreamServerZoneMetric(namespace, "sent", "Bytes sent to clients", constLabels),
},
upstreamMetrics: map[string]*prometheus.Desc{
"keepalives": newUpstreamMetric(namespace, "keepalives", "Idle keepalive connections", constLabels),
"zombies": newUpstreamMetric(namespace, "zombies", "Servers removed from the group but still processing active client requests", constLabels),
},
streamUpstreamMetrics: map[string]*prometheus.Desc{
"zombies": newStreamUpstreamMetric(namespace, "zombies", "Servers removed from the group but still processing active client connections", constLabels),
},
upstreamServerMetrics: map[string]*prometheus.Desc{
"state": newUpstreamServerMetric(namespace, "state", "Current state", constLabels),
"active": newUpstreamServerMetric(namespace, "active", "Active connections", constLabels),
"requests": newUpstreamServerMetric(namespace, "requests", "Total client requests", constLabels),
"responses_1xx": newUpstreamServerMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "1xx"})),
"responses_2xx": newUpstreamServerMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "2xx"})),
"responses_3xx": newUpstreamServerMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "3xx"})),
"responses_4xx": newUpstreamServerMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "4xx"})),
"responses_5xx": newUpstreamServerMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "5xx"})),
"sent": newUpstreamServerMetric(namespace, "sent", "Bytes sent to this server", constLabels),
"received": newUpstreamServerMetric(namespace, "received", "Bytes received to this server", constLabels),
"fails": newUpstreamServerMetric(namespace, "fails", "Active connections", constLabels),
"unavail": newUpstreamServerMetric(namespace, "unavail", "How many times the server became unavailable for client requests (state 'unavail') due to the number of unsuccessful attempts reaching the max_fails threshold", constLabels),
"header_time": newUpstreamServerMetric(namespace, "header_time", "Average time to get the response header from the server", constLabels),
"response_time": newUpstreamServerMetric(namespace, "response_time", "Average time to get the full response from the server", constLabels),
"health_checks_checks": newUpstreamServerMetric(namespace, "health_checks_checks", "Total health check requests", constLabels),
"health_checks_fails": newUpstreamServerMetric(namespace, "health_checks_fails", "Failed health checks", constLabels),
"health_checks_unhealthy": newUpstreamServerMetric(namespace, "health_checks_unhealthy", "How many times the server became unhealthy (state 'unhealthy')", constLabels),
},
streamUpstreamServerMetrics: map[string]*prometheus.Desc{
"state": newStreamUpstreamServerMetric(namespace, "state", "Current state", constLabels),
"active": newStreamUpstreamServerMetric(namespace, "active", "Active connections", constLabels),
"sent": newStreamUpstreamServerMetric(namespace, "sent", "Bytes sent to this server", constLabels),
"received": newStreamUpstreamServerMetric(namespace, "received", "Bytes received from this server", constLabels),
"fails": newStreamUpstreamServerMetric(namespace, "fails", "Number of unsuccessful attempts to communicate with the server", constLabels),
"unavail": newStreamUpstreamServerMetric(namespace, "unavail", "How many times the server became unavailable for client connections (state 'unavail') due to the number of unsuccessful attempts reaching the max_fails threshold", constLabels),
"connections": newStreamUpstreamServerMetric(namespace, "connections", "Total number of client connections forwarded to this server", constLabels),
"connect_time": newStreamUpstreamServerMetric(namespace, "connect_time", "Average time to connect to the upstream server", constLabels),
"first_byte_time": newStreamUpstreamServerMetric(namespace, "first_byte_time", "Average time to receive the first byte of data", constLabels),
"response_time": newStreamUpstreamServerMetric(namespace, "response_time", "Average time to receive the last byte of data", constLabels),
"health_checks_checks": newStreamUpstreamServerMetric(namespace, "health_checks_checks", "Total health check requests", constLabels),
"health_checks_fails": newStreamUpstreamServerMetric(namespace, "health_checks_fails", "Failed health checks", constLabels),
"health_checks_unhealthy": newStreamUpstreamServerMetric(namespace, "health_checks_unhealthy", "How many times the server became unhealthy (state 'unhealthy')", constLabels),
},
streamZoneSyncMetrics: map[string]*prometheus.Desc{
"bytes_in": newStreamZoneSyncMetric(namespace, "bytes_in", "Bytes received by this node", constLabels),
"bytes_out": newStreamZoneSyncMetric(namespace, "bytes_out", "Bytes sent by this node", constLabels),
"msgs_in": newStreamZoneSyncMetric(namespace, "msgs_in", "Total messages received by this node", constLabels),
"msgs_out": newStreamZoneSyncMetric(namespace, "msgs_out", "Total messages sent by this node", constLabels),
"nodes_online": newStreamZoneSyncMetric(namespace, "nodes_online", "Number of peers this node is connected to", constLabels),
"records_pending": newStreamZoneSyncZoneMetric(namespace, "records_pending", "The number of records that need to be sent to the cluster", constLabels),
"records_total": newStreamZoneSyncZoneMetric(namespace, "records_total", "The total number of records stored in the shared memory zone", constLabels),
},
locationZoneMetrics: map[string]*prometheus.Desc{
"requests": newLocationZoneMetric(namespace, "requests", "Total client requests", constLabels),
"responses_1xx": newLocationZoneMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "1xx"})),
"responses_2xx": newLocationZoneMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "2xx"})),
"responses_3xx": newLocationZoneMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "3xx"})),
"responses_4xx": newLocationZoneMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "4xx"})),
"responses_5xx": newLocationZoneMetric(namespace, "responses", "Total responses sent to clients", MergeLabels(constLabels, prometheus.Labels{"code": "5xx"})),
"discarded": newLocationZoneMetric(namespace, "discarded", "Requests completed without sending a response", constLabels),
"received": newLocationZoneMetric(namespace, "received", "Bytes received from clients", constLabels),
"sent": newLocationZoneMetric(namespace, "sent", "Bytes sent to clients", constLabels),
},
resolverMetrics: map[string]*prometheus.Desc{
"name": newResolverMetric(namespace, "name", "Total requests to resolve names to addresses", constLabels),
"srv": newResolverMetric(namespace, "srv", "Total requests to resolve SRV records", constLabels),
"addr": newResolverMetric(namespace, "addr", "Total requests to resolve addresses to names", constLabels),
"noerror": newResolverMetric(namespace, "noerror", "Total number of successful responses", constLabels),
"formerr": newResolverMetric(namespace, "formerr", "Total number of FORMERR responses", constLabels),
"servfail": newResolverMetric(namespace, "servfail", "Total number of SERVFAIL responses", constLabels),
"nxdomain": newResolverMetric(namespace, "nxdomain", "Total number of NXDOMAIN responses", constLabels),
"notimp": newResolverMetric(namespace, "notimp", "Total number of NOTIMP responses", constLabels),
"refused": newResolverMetric(namespace, "refused", "Total number of REFUSED responses", constLabels),
"timedout": newResolverMetric(namespace, "timedout", "Total number of timed out requests", constLabels),
"unknown": newResolverMetric(namespace, "unknown", "Total requests completed with an unknown error", constLabels),
},
upMetric: newUpMetric(namespace, constLabels),
}
}
// Describe sends the super-set of all possible descriptors of NGINX Plus metrics
// to the provided channel.
func (c *NginxPlusCollector) Describe(ch chan<- *prometheus.Desc) {
ch <- c.upMetric.Desc()
for _, m := range c.totalMetrics {
ch <- m
}
for _, m := range c.serverZoneMetrics {
ch <- m
}
for _, m := range c.upstreamMetrics {
ch <- m
}
for _, m := range c.upstreamServerMetrics {
ch <- m
}
for _, m := range c.streamServerZoneMetrics {
ch <- m
}
for _, m := range c.streamUpstreamMetrics {
ch <- m
}
for _, m := range c.streamUpstreamServerMetrics {
ch <- m
}
for _, m := range c.streamZoneSyncMetrics {
ch <- m
}
for _, m := range c.locationZoneMetrics {
ch <- m
}
for _, m := range c.resolverMetrics {
ch <- m
}
}
// Collect fetches metrics from NGINX Plus and sends them to the provided channel.
func (c *NginxPlusCollector) Collect(ch chan<- prometheus.Metric) {
c.mutex.Lock() // To protect metrics from concurrent collects
defer c.mutex.Unlock()
stats, err := c.nginxClient.GetStats()
if err != nil {
c.upMetric.Set(nginxDown)
ch <- c.upMetric
log.Printf("Error getting stats: %v", err)
return
}
c.upMetric.Set(nginxUp)
ch <- c.upMetric
ch <- prometheus.MustNewConstMetric(c.totalMetrics["connections_accepted"],
prometheus.CounterValue, float64(stats.Connections.Accepted))
ch <- prometheus.MustNewConstMetric(c.totalMetrics["connections_dropped"],
prometheus.CounterValue, float64(stats.Connections.Dropped))
ch <- prometheus.MustNewConstMetric(c.totalMetrics["connections_active"],
prometheus.GaugeValue, float64(stats.Connections.Active))
ch <- prometheus.MustNewConstMetric(c.totalMetrics["connections_idle"],
prometheus.GaugeValue, float64(stats.Connections.Idle))
ch <- prometheus.MustNewConstMetric(c.totalMetrics["http_requests_total"],
prometheus.CounterValue, float64(stats.HTTPRequests.Total))
ch <- prometheus.MustNewConstMetric(c.totalMetrics["http_requests_current"],
prometheus.GaugeValue, float64(stats.HTTPRequests.Current))
ch <- prometheus.MustNewConstMetric(c.totalMetrics["ssl_handshakes"],
prometheus.CounterValue, float64(stats.SSL.Handshakes))
ch <- prometheus.MustNewConstMetric(c.totalMetrics["ssl_handshakes_failed"],
prometheus.CounterValue, float64(stats.SSL.HandshakesFailed))
ch <- prometheus.MustNewConstMetric(c.totalMetrics["ssl_session_reuses"],
prometheus.CounterValue, float64(stats.SSL.SessionReuses))
for name, zone := range stats.ServerZones {
ch <- prometheus.MustNewConstMetric(c.serverZoneMetrics["processing"],
prometheus.GaugeValue, float64(zone.Processing), name)
ch <- prometheus.MustNewConstMetric(c.serverZoneMetrics["requests"],
prometheus.CounterValue, float64(zone.Requests), name)
ch <- prometheus.MustNewConstMetric(c.serverZoneMetrics["responses_1xx"],
prometheus.CounterValue, float64(zone.Responses.Responses1xx), name)
ch <- prometheus.MustNewConstMetric(c.serverZoneMetrics["responses_2xx"],
prometheus.CounterValue, float64(zone.Responses.Responses2xx), name)
ch <- prometheus.MustNewConstMetric(c.serverZoneMetrics["responses_3xx"],
prometheus.CounterValue, float64(zone.Responses.Responses3xx), name)
ch <- prometheus.MustNewConstMetric(c.serverZoneMetrics["responses_4xx"],
prometheus.CounterValue, float64(zone.Responses.Responses4xx), name)
ch <- prometheus.MustNewConstMetric(c.serverZoneMetrics["responses_5xx"],
prometheus.CounterValue, float64(zone.Responses.Responses5xx), name)
ch <- prometheus.MustNewConstMetric(c.serverZoneMetrics["discarded"],
prometheus.CounterValue, float64(zone.Discarded), name)
ch <- prometheus.MustNewConstMetric(c.serverZoneMetrics["received"],
prometheus.CounterValue, float64(zone.Received), name)
ch <- prometheus.MustNewConstMetric(c.serverZoneMetrics["sent"],
prometheus.CounterValue, float64(zone.Sent), name)
}
for name, zone := range stats.StreamServerZones {
ch <- prometheus.MustNewConstMetric(c.streamServerZoneMetrics["processing"],
prometheus.GaugeValue, float64(zone.Processing), name)
ch <- prometheus.MustNewConstMetric(c.streamServerZoneMetrics["connections"],
prometheus.CounterValue, float64(zone.Connections), name)
ch <- prometheus.MustNewConstMetric(c.streamServerZoneMetrics["sessions_2xx"],
prometheus.CounterValue, float64(zone.Sessions.Sessions2xx), name)
ch <- prometheus.MustNewConstMetric(c.streamServerZoneMetrics["sessions_4xx"],
prometheus.CounterValue, float64(zone.Sessions.Sessions4xx), name)
ch <- prometheus.MustNewConstMetric(c.streamServerZoneMetrics["sessions_5xx"],
prometheus.CounterValue, float64(zone.Sessions.Sessions5xx), name)
ch <- prometheus.MustNewConstMetric(c.streamServerZoneMetrics["discarded"],
prometheus.CounterValue, float64(zone.Discarded), name)
ch <- prometheus.MustNewConstMetric(c.streamServerZoneMetrics["received"],
prometheus.CounterValue, float64(zone.Received), name)
ch <- prometheus.MustNewConstMetric(c.streamServerZoneMetrics["sent"],
prometheus.CounterValue, float64(zone.Sent), name)
}
for name, upstream := range stats.Upstreams {
for _, peer := range upstream.Peers {
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["state"],
prometheus.GaugeValue, upstreamServerStates[peer.State], name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["active"],
prometheus.GaugeValue, float64(peer.Active), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["requests"],
prometheus.CounterValue, float64(peer.Requests), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["responses_1xx"],
prometheus.CounterValue, float64(peer.Responses.Responses1xx), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["responses_2xx"],
prometheus.CounterValue, float64(peer.Responses.Responses2xx), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["responses_3xx"],
prometheus.CounterValue, float64(peer.Responses.Responses3xx), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["responses_4xx"],
prometheus.CounterValue, float64(peer.Responses.Responses4xx), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["responses_5xx"],
prometheus.CounterValue, float64(peer.Responses.Responses5xx), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["sent"],
prometheus.CounterValue, float64(peer.Sent), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["received"],
prometheus.CounterValue, float64(peer.Received), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["fails"],
prometheus.CounterValue, float64(peer.Fails), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["unavail"],
prometheus.CounterValue, float64(peer.Unavail), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["header_time"],
prometheus.GaugeValue, float64(peer.HeaderTime), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["response_time"],
prometheus.GaugeValue, float64(peer.ResponseTime), name, peer.Server)
if peer.HealthChecks != (plusclient.HealthChecks{}) {
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["health_checks_checks"],
prometheus.CounterValue, float64(peer.HealthChecks.Checks), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["health_checks_fails"],
prometheus.CounterValue, float64(peer.HealthChecks.Fails), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.upstreamServerMetrics["health_checks_unhealthy"],
prometheus.CounterValue, float64(peer.HealthChecks.Unhealthy), name, peer.Server)
}
}
ch <- prometheus.MustNewConstMetric(c.upstreamMetrics["keepalives"],
prometheus.GaugeValue, float64(upstream.Keepalives), name)
ch <- prometheus.MustNewConstMetric(c.upstreamMetrics["zombies"],
prometheus.GaugeValue, float64(upstream.Zombies), name)
}
for name, upstream := range stats.StreamUpstreams {
for _, peer := range upstream.Peers {
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["state"],
prometheus.GaugeValue, upstreamServerStates[peer.State], name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["active"],
prometheus.GaugeValue, float64(peer.Active), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["connections"],
prometheus.CounterValue, float64(peer.Connections), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["connect_time"],
prometheus.GaugeValue, float64(peer.ConnectTime), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["first_byte_time"],
prometheus.GaugeValue, float64(peer.FirstByteTime), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["response_time"],
prometheus.GaugeValue, float64(peer.ResponseTime), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["sent"],
prometheus.CounterValue, float64(peer.Sent), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["received"],
prometheus.CounterValue, float64(peer.Received), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["fails"],
prometheus.CounterValue, float64(peer.Fails), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["unavail"],
prometheus.CounterValue, float64(peer.Unavail), name, peer.Server)
if peer.HealthChecks != (plusclient.HealthChecks{}) {
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["health_checks_checks"],
prometheus.CounterValue, float64(peer.HealthChecks.Checks), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["health_checks_fails"],
prometheus.CounterValue, float64(peer.HealthChecks.Fails), name, peer.Server)
ch <- prometheus.MustNewConstMetric(c.streamUpstreamServerMetrics["health_checks_unhealthy"],
prometheus.CounterValue, float64(peer.HealthChecks.Unhealthy), name, peer.Server)
}
}
ch <- prometheus.MustNewConstMetric(c.streamUpstreamMetrics["zombies"],
prometheus.GaugeValue, float64(upstream.Zombies), name)
}
if stats.StreamZoneSync != nil {
for name, zone := range stats.StreamZoneSync.Zones {
ch <- prometheus.MustNewConstMetric(c.streamZoneSyncMetrics["records_pending"],
prometheus.GaugeValue, float64(zone.RecordsPending), name)
ch <- prometheus.MustNewConstMetric(c.streamZoneSyncMetrics["records_total"],
prometheus.GaugeValue, float64(zone.RecordsTotal), name)
}
ch <- prometheus.MustNewConstMetric(c.streamZoneSyncMetrics["bytes_in"],
prometheus.CounterValue, float64(stats.StreamZoneSync.Status.BytesIn))
ch <- prometheus.MustNewConstMetric(c.streamZoneSyncMetrics["bytes_out"],
prometheus.CounterValue, float64(stats.StreamZoneSync.Status.BytesOut))
ch <- prometheus.MustNewConstMetric(c.streamZoneSyncMetrics["msgs_in"],
prometheus.CounterValue, float64(stats.StreamZoneSync.Status.MsgsIn))
ch <- prometheus.MustNewConstMetric(c.streamZoneSyncMetrics["msgs_out"],
prometheus.CounterValue, float64(stats.StreamZoneSync.Status.MsgsOut))
ch <- prometheus.MustNewConstMetric(c.streamZoneSyncMetrics["nodes_online"],
prometheus.GaugeValue, float64(stats.StreamZoneSync.Status.NodesOnline))
}
for name, zone := range stats.LocationZones {
ch <- prometheus.MustNewConstMetric(c.locationZoneMetrics["requests"],
prometheus.CounterValue, float64(zone.Requests), name)
ch <- prometheus.MustNewConstMetric(c.locationZoneMetrics["responses_1xx"],
prometheus.CounterValue, float64(zone.Responses.Responses1xx), name)
ch <- prometheus.MustNewConstMetric(c.locationZoneMetrics["responses_2xx"],
prometheus.CounterValue, float64(zone.Responses.Responses2xx), name)
ch <- prometheus.MustNewConstMetric(c.locationZoneMetrics["responses_3xx"],
prometheus.CounterValue, float64(zone.Responses.Responses3xx), name)
ch <- prometheus.MustNewConstMetric(c.locationZoneMetrics["responses_4xx"],
prometheus.CounterValue, float64(zone.Responses.Responses4xx), name)
ch <- prometheus.MustNewConstMetric(c.locationZoneMetrics["responses_5xx"],
prometheus.CounterValue, float64(zone.Responses.Responses5xx), name)
ch <- prometheus.MustNewConstMetric(c.locationZoneMetrics["discarded"],
prometheus.CounterValue, float64(zone.Discarded), name)
ch <- prometheus.MustNewConstMetric(c.locationZoneMetrics["received"],
prometheus.CounterValue, float64(zone.Received), name)
ch <- prometheus.MustNewConstMetric(c.locationZoneMetrics["sent"],
prometheus.CounterValue, float64(zone.Sent), name)
}
for name, zone := range stats.Resolvers {
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["name"],
prometheus.CounterValue, float64(zone.Requests.Name), name)
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["srv"],
prometheus.CounterValue, float64(zone.Requests.Srv), name)
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["addr"],
prometheus.CounterValue, float64(zone.Requests.Addr), name)
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["noerror"],
prometheus.CounterValue, float64(zone.Responses.Noerror), name)
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["formerr"],
prometheus.CounterValue, float64(zone.Responses.Formerr), name)
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["servfail"],
prometheus.CounterValue, float64(zone.Responses.Servfail), name)
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["nxdomain"],
prometheus.CounterValue, float64(zone.Responses.Nxdomain), name)
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["notimp"],
prometheus.CounterValue, float64(zone.Responses.Notimp), name)
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["refused"],
prometheus.CounterValue, float64(zone.Responses.Refused), name)
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["timedout"],
prometheus.CounterValue, float64(zone.Responses.Timedout), name)
ch <- prometheus.MustNewConstMetric(c.resolverMetrics["unknown"],
prometheus.CounterValue, float64(zone.Responses.Unknown), name)
}
}
var upstreamServerStates = map[string]float64{
"up": 1.0,
"draining": 2.0,
"down": 3.0,
"unavail": 4.0,
"checking": 5.0,
"unhealthy": 6.0,
}
func newServerZoneMetric(namespace string, metricName string, docString string, constLabels prometheus.Labels) *prometheus.Desc {
return prometheus.NewDesc(prometheus.BuildFQName(namespace, "server_zone", metricName), docString, []string{"server_zone"}, constLabels)
}
func newStreamServerZoneMetric(namespace string, metricName string, docString string, constLabels prometheus.Labels) *prometheus.Desc {
return prometheus.NewDesc(prometheus.BuildFQName(namespace, "stream_server_zone", metricName), docString, []string{"server_zone"}, constLabels)
}
func newUpstreamMetric(namespace string, metricName string, docString string, constLabels prometheus.Labels) *prometheus.Desc {
return prometheus.NewDesc(prometheus.BuildFQName(namespace, "upstream", metricName), docString, []string{"upstream"}, constLabels)
}
func newStreamUpstreamMetric(namespace string, metricName string, docString string, constLabels prometheus.Labels) *prometheus.Desc {
return prometheus.NewDesc(prometheus.BuildFQName(namespace, "stream_upstream", metricName), docString, []string{"upstream"}, constLabels)
}
func newUpstreamServerMetric(namespace string, metricName string, docString string, constLabels prometheus.Labels) *prometheus.Desc {
return prometheus.NewDesc(prometheus.BuildFQName(namespace, "upstream_server", metricName), docString, []string{"upstream", "server"}, constLabels)
}
func newStreamUpstreamServerMetric(namespace string, metricName string, docString string, constLabels prometheus.Labels) *prometheus.Desc {
return prometheus.NewDesc(prometheus.BuildFQName(namespace, "stream_upstream_server", metricName), docString, []string{"upstream", "server"}, constLabels)
}
func newStreamZoneSyncMetric(namespace string, metricName string, docString string, constLabels prometheus.Labels) *prometheus.Desc {
return prometheus.NewDesc(prometheus.BuildFQName(namespace, "stream_zone_sync_status", metricName), docString, nil, constLabels)
}
func newStreamZoneSyncZoneMetric(namespace string, metricName string, docString string, constLabels prometheus.Labels) *prometheus.Desc {
return prometheus.NewDesc(prometheus.BuildFQName(namespace, "stream_zone_sync_zone", metricName), docString, []string{"zone"}, constLabels)
}
func newLocationZoneMetric(namespace string, metricName string, docString string, constLabels prometheus.Labels) *prometheus.Desc {
return prometheus.NewDesc(prometheus.BuildFQName(namespace, "location_zone", metricName), docString, []string{"location_zone"}, constLabels)
}
func newResolverMetric(namespace string, metricName string, docString string, constLabels prometheus.Labels) *prometheus.Desc {
return prometheus.NewDesc(prometheus.BuildFQName(namespace, "resolver", metricName), docString, []string{"resolver"}, constLabels)
}
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