64 lines
1.7 KiB
Go
64 lines
1.7 KiB
Go
// Copyright 2013 Prometheus Team
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package model
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import (
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"strings"
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)
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const (
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// ExporterLabelPrefix is the label name prefix to prepend if a
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// synthetic label is already present in the exported metrics.
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ExporterLabelPrefix LabelName = "exporter_"
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// MetricNameLabel is the label name indicating the metric name of a
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// timeseries.
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MetricNameLabel LabelName = "__name__"
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// ReservedLabelPrefix is a prefix which is not legal in user-supplied
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// label names.
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ReservedLabelPrefix = "__"
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// JobLabel is the label name indicating the job from which a timeseries
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// was scraped.
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JobLabel LabelName = "job"
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)
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// A LabelName is a key for a LabelSet or Metric. It has a value associated
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// therewith.
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type LabelName string
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// LabelNames is a sortable LabelName slice. In implements sort.Interface.
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type LabelNames []LabelName
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func (l LabelNames) Len() int {
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return len(l)
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}
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func (l LabelNames) Less(i, j int) bool {
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return l[i] < l[j]
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}
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func (l LabelNames) Swap(i, j int) {
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l[i], l[j] = l[j], l[i]
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}
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func (l LabelNames) String() string {
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labelStrings := make([]string, 0, len(l))
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for _, label := range l {
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labelStrings = append(labelStrings, string(label))
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}
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return strings.Join(labelStrings, ", ")
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}
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