mirror of
https://github.com/prometheus/prometheus.git
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36 lines
1.1 KiB
Go
36 lines
1.1 KiB
Go
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// Copyright (c) 2017 Uber Technologies, Inc.
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//
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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 metrics
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import (
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"sort"
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)
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// GetKey converts name+tags into a single string of the form
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// "name|tag1=value1|...|tagN=valueN", where tag names are
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// sorted alphabetically.
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func GetKey(name string, tags map[string]string, tagsSep string, tagKVSep string) string {
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keys := make([]string, 0, len(tags))
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for k := range tags {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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key := name
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for _, k := range keys {
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key = key + tagsSep + k + tagKVSep + tags[k]
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}
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return key
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}
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