client_golang/prometheus/constants.go

52 lines
1.6 KiB
Go

// Copyright (c) 2013, Prometheus Team
// All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be found
// in the LICENSE file.
package prometheus
var (
// NilLabels is a nil set of labels merely for end-user convenience.
NilLabels map[string]string = nil
// The default http.Handler for exposing telemetric data over a web services
// interface.
DefaultHandler = DefaultRegistry.Handler()
// This is the default registry with which Metric objects are associated.
DefaultRegistry = NewRegistry()
)
const (
// A prefix to be used to namespace instrumentation flags from others.
FlagNamespace = "telemetry."
// The format of the exported data. This will match this library's version,
// which subscribes to the Semantic Versioning scheme.
APIVersion = "0.0.2"
// The content type and schema information set on telemetry data responses.
TelemetryContentType = `application/json; schema="prometheus/telemetry"; version=` + APIVersion
// The content type and schema information set on telemetry data responses.
DelimitedTelemetryContentType = `application/vnd.google.protobuf; proto="io.prometheus.client.MetricFamily"; encoding="delimited"`
// The customary web services endpoint on which telemetric data is exposed.
ExpositionResource = "/metrics"
baseLabelsKey = "baseLabels"
docstringKey = "docstring"
metricKey = "metric"
nameLabel = "name"
counterTypeValue = "counter"
floatBitCount = 64
floatFormat = 'f'
floatPrecision = 6
gaugeTypeValue = "gauge"
histogramTypeValue = "histogram"
typeKey = "type"
valueKey = "value"
labelsKey = "labels"
)