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