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44 lines
1.9 KiB
Go
44 lines
1.9 KiB
Go
// Copyright 2015 The Prometheus Authors
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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 expfmt contains tools for reading and writing Prometheus metrics.
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package expfmt
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// Format specifies the HTTP content type of the different wire protocols.
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type Format string
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// Constants to assemble the Content-Type values for the different wire protocols.
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const (
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TextVersion = "0.0.4"
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ProtoType = `application/vnd.google.protobuf`
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ProtoProtocol = `io.prometheus.client.MetricFamily`
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ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
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OpenMetricsType = `application/openmetrics-text`
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OpenMetricsVersion_0_0_1 = "0.0.1"
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OpenMetricsVersion_1_0_0 = "1.0.0"
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// The Content-Type values for the different wire protocols.
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FmtUnknown Format = `<unknown>`
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FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
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FmtProtoDelim Format = ProtoFmt + ` encoding=delimited`
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FmtProtoText Format = ProtoFmt + ` encoding=text`
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FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text`
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FmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8`
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FmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8`
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)
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const (
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hdrContentType = "Content-Type"
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hdrAccept = "Accept"
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)
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