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