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Merge v1.2.1-master

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Signed-off-by: Emile Vauge <emile@vauge.com>
This commit is contained in:
Emile Vauge 2017-04-11 17:10:46 +02:00
parent a590155b0b
commit aeb17182b4
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GPG key ID: D808B4C167352E59
396 changed files with 27271 additions and 9969 deletions
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37
vendor/github.com/prometheus/common/model/value.go generated vendored
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@ -16,11 +16,28 @@ package model
import (
"encoding/json"
"fmt"
"math"
"sort"
"strconv"
"strings"
)
var (
// ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a
// non-existing sample pair. It is a SamplePair with timestamp Earliest and
// value 0.0. Note that the natural zero value of SamplePair has a timestamp
// of 0, which is possible to appear in a real SamplePair and thus not
// suitable to signal a non-existing SamplePair.
ZeroSamplePair = SamplePair{Timestamp: Earliest}
// ZeroSample is the pseudo zero-value of Sample used to signal a
// non-existing sample. It is a Sample with timestamp Earliest, value 0.0,
// and metric nil. Note that the natural zero value of Sample has a timestamp
// of 0, which is possible to appear in a real Sample and thus not suitable
// to signal a non-existing Sample.
ZeroSample = Sample{Timestamp: Earliest}
)
// A SampleValue is a representation of a value for a given sample at a given
// time.
type SampleValue float64
@ -43,8 +60,14 @@ func (v *SampleValue) UnmarshalJSON(b []byte) error {
return nil
}
// Equal returns true if the value of v and o is equal or if both are NaN. Note
// that v==o is false if both are NaN. If you want the conventional float
// behavior, use == to compare two SampleValues.
func (v SampleValue) Equal(o SampleValue) bool {
return v == o
if v == o {
return true
}
return math.IsNaN(float64(v)) && math.IsNaN(float64(o))
}
func (v SampleValue) String() string {
@ -77,9 +100,9 @@ func (s *SamplePair) UnmarshalJSON(b []byte) error {
}
// Equal returns true if this SamplePair and o have equal Values and equal
// Timestamps.
// Timestamps. The sematics of Value equality is defined by SampleValue.Equal.
func (s *SamplePair) Equal(o *SamplePair) bool {
return s == o || (s.Value == o.Value && s.Timestamp.Equal(o.Timestamp))
return s == o || (s.Value.Equal(o.Value) && s.Timestamp.Equal(o.Timestamp))
}
func (s SamplePair) String() string {
@ -93,7 +116,8 @@ type Sample struct {
Timestamp Time `json:"timestamp"`
}
// Equal compares first the metrics, then the timestamp, then the value.
// Equal compares first the metrics, then the timestamp, then the value. The
// sematics of value equality is defined by SampleValue.Equal.
func (s *Sample) Equal(o *Sample) bool {
if s == o {
return true
@ -105,11 +129,8 @@ func (s *Sample) Equal(o *Sample) bool {
if !s.Timestamp.Equal(o.Timestamp) {
return false
}
if s.Value != o.Value {
return false
}
return true
return s.Value.Equal(o.Value)
}
func (s Sample) String() string {