prometheus/storage/local/instrumentation.go

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// Copyright 2014 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package local
import (
"github.com/prometheus/client_golang/prometheus"
)
const (
address = "instance"
alive = "alive"
failure = "failure"
outcome = "outcome"
state = "state"
success = "success"
unreachable = "unreachable"
)
var (
numSeries = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "prometheus_stored_series_count",
Help: "The number of currently stored series.",
})
numSamples = prometheus.NewCounter(prometheus.CounterOpts{
Name: "prometheus_stored_samples_total",
Help: "The total number of stored samples.",
})
numChunks = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "prometheus_used_chunks_count",
Help: "The current number of chunks in use.",
})
numChunkGives = prometheus.NewCounter(prometheus.CounterOpts{
Name: "prometheus_chunk_gives_total",
Help: "The total number of returned (freed) chunks.",
})
numChunkGets = prometheus.NewCounter(prometheus.CounterOpts{
Name: "prometheus_chunk_gets_total",
Help: "The total number of retrieved chunks.",
})
numTranscodes = prometheus.NewCounter(prometheus.CounterOpts{
Name: "prometheus_chunk_transcodes_total",
Help: "The total number of chunk transcodes.",
})
numPinnedChunks = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "prometheus_pinned_chunks_count",
Help: "The current number of pinned chunks.",
})
persistLatencies = prometheus.NewSummaryVec(prometheus.SummaryOpts{
Name: "prometheus_persist_latency_ms",
Help: "A summary of latencies for persisting each chunk.",
}, []string{outcome})
persistQueueLength = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "prometheus_persist_queue_length",
Help: "The current number of chunks waiting in the persist queue.",
})
persistQueueCapacity = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "prometheus_persist_queue_capacity",
Help: "The total capacity of the persist queue.",
})
)
func init() {
prometheus.MustRegister(numSeries)
prometheus.MustRegister(numSamples)
prometheus.MustRegister(numChunks)
prometheus.MustRegister(numChunkGives)
prometheus.MustRegister(numChunkGets)
prometheus.MustRegister(numTranscodes)
prometheus.MustRegister(numPinnedChunks)
prometheus.MustRegister(persistLatencies)
prometheus.MustRegister(persistQueueLength)
prometheus.MustRegister(persistQueueCapacity)
persistQueueCapacity.Set(float64(persistQueueCap))
}