"github.com/coreos/etcd/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus"
"github.com/coreos/etcd/pkg/types"
"github.com/coreos/etcd/raft/raftpb"
)
var (
// TODO: create a separate histogram for recording
// snapshot sending metric. snapshot can be large and
// take a long time to send. So it needs a different
// time range than other type of messages.
msgSentDuration = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "rafthttp",
Name: "message_sent_latency_seconds",
Help: "message sent latency distributions.",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 13),
},
[]string{"sendingType", "remoteID", "msgType"},
)
msgSentFailed = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "etcd",
Subsystem: "rafthttp",
Name: "message_sent_failed_total",
Help: "The total number of failed messages sent.",
},
[]string{"sendingType", "remoteID", "msgType"},
)
)
Help: "Counter of requests fully handled (by authoratitave servers)",
}, []string{"method", "code"})
requestsDropped = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "etcd",
Subsystem: "proxy",
Name: "dropped_total",
Help: "Counter of requests dropped on the proxy.",
}, []string{"method", "proxying_error"})
requestsHandlingTime = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "proxy",
Name: "handling_duration_seconds",
Help: "Bucketed histogram of handling time of successful events (non-watches), by method " +
"(GET/PUT etc.).",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 13),
}, []string{"method"})
)
type forwardingError string
const (
zeroEndpoints forwardingError = "zero_endpoints"
failedSendingRequest forwardingError = "failed_sending_request"
failedGettingResponse forwardingError = "failed_getting_response"
)
func init() {
Name: "received_total",
Help: "Counter of requests received into the system (successfully parsed and authd).",
}, []string{"method"})
failedEvents = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "etcd",
Subsystem: "http",
Name: "failed_total",
Help: "Counter of handle failures of requests (non-watches), by method (GET/PUT etc.) and code (400, 500 etc.).",
}, []string{"method", "code"})
successfulEventsHandlingTime = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "http",
Name: "successful_duration_second",
Help: "Bucketed histogram of processing time (s) of successfully handled requests (non-watches), by method (GET/PUT etc.).",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 13),
}, []string{"method"})
)
func init() {
prometheus.MustRegister(incomingEvents)
prometheus.MustRegister(failedEvents)
prometheus.MustRegister(successfulEventsHandlingTime)
}
func reportRequestReceived(request etcdserverpb.Request) {
incomingEvents.WithLabelValues(methodFromRequest(request)).Inc()
}