mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-10 07:34:04 -08:00
83 lines
2.9 KiB
Go
83 lines
2.9 KiB
Go
// Copyright 2013 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 metric
|
|
|
|
import (
|
|
"github.com/prometheus/prometheus/model"
|
|
"github.com/prometheus/prometheus/storage"
|
|
"time"
|
|
)
|
|
|
|
// MetricPersistence is a system for storing metric samples in a persistence
|
|
// layer.
|
|
type MetricPersistence interface {
|
|
// A storage system may rely on external resources and thusly should be
|
|
// closed when finished.
|
|
Close()
|
|
|
|
// Commit all pending operations, if any, since some of the storage components
|
|
// queue work on channels and operate on it in bulk.
|
|
// Flush() error
|
|
|
|
// Record a new sample in the storage layer.
|
|
AppendSample(model.Sample) error
|
|
|
|
// Record a group of new samples in the storage layer.
|
|
AppendSamples(model.Samples) error
|
|
|
|
// Get all of the metric fingerprints that are associated with the provided
|
|
// label set.
|
|
GetFingerprintsForLabelSet(model.LabelSet) (model.Fingerprints, error)
|
|
|
|
// Get all of the metric fingerprints that are associated for a given label
|
|
// name.
|
|
GetFingerprintsForLabelName(model.LabelName) (model.Fingerprints, error)
|
|
|
|
// Get the metric associated with the provided fingerprint.
|
|
GetMetricForFingerprint(*model.Fingerprint) (model.Metric, error)
|
|
|
|
GetValueAtTime(*model.Fingerprint, time.Time) model.Values
|
|
GetBoundaryValues(*model.Fingerprint, model.Interval) (first model.Values, second model.Values)
|
|
GetRangeValues(*model.Fingerprint, model.Interval) model.Values
|
|
|
|
ForEachSample(IteratorsForFingerprintBuilder) (err error)
|
|
|
|
// Get all label values that are associated with a given label name.
|
|
GetAllValuesForLabel(model.LabelName) (model.LabelValues, error)
|
|
|
|
// Requests the storage stack to build a materialized View of the values
|
|
// contained therein.
|
|
// MakeView(builder ViewRequestBuilder, deadline time.Duration) (View, error)
|
|
}
|
|
|
|
// View provides view of the values in the datastore subject to the request of a
|
|
// preloading operation.
|
|
type View interface {
|
|
GetValueAtTime(*model.Fingerprint, time.Time) model.Values
|
|
GetBoundaryValues(*model.Fingerprint, model.Interval) (first model.Values, second model.Values)
|
|
GetRangeValues(*model.Fingerprint, model.Interval) model.Values
|
|
|
|
// Destroy this view.
|
|
Close()
|
|
}
|
|
|
|
type Series interface {
|
|
Fingerprint() *model.Fingerprint
|
|
Metric() model.Metric
|
|
}
|
|
|
|
type IteratorsForFingerprintBuilder interface {
|
|
ForStream(stream *stream) (storage.RecordDecoder, storage.RecordFilter, storage.RecordOperator)
|
|
}
|