diff --git a/VERSION b/VERSION index e7a46284..19715cfb 100644 --- a/VERSION +++ b/VERSION @@ -1,2 +1,2 @@ -VERSION=1.2.0 +VERSION=1.3.0 REVISION=1~bpo+1 diff --git a/debian/changelog b/debian/changelog index 53e69ebe..155020bc 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,11 +1,32 @@ -prometheus-podman3-exporter (1.2.0-1~bpo+1) unstable; urgency=medium +prometheus-podman3-exporter (1.3.0-bpo347~1) unstable; urgency=medium * Debianize the package * Remove unnecessary files * Rename package - * Support podman v3 + * Downgrade github.com/containers/podman/v3 to v3.4.7 + * Downgrade github.com/containers/image/v5 to v5.17.0 + * Downgrade github.com/cri-o/ocicni to v0.2.1-0.20210621164014-d0acc7862283 + * Downgrade github.com/sirupsen/logrus to v1.8.1 + * Downgrade golang to 1.17 + * Fix incompatibility with network + * Update contents in README.md and install.md - -- Peter Yang Fri, 24 Feb 2023 23:25:24 -0500 + -- Peter Yang Sun, 26 Feb 2023 18:09:30 -0500 + +prometheus-podman-exporter (1.3.0) UNRELEASED; urgency=low + + * Add health status in container metrics + * update net/block io metric help string to include the type (bytes) + * Fix copy-pasted root example + * Bump podman/v4 to v4.4.2 + * Bump github.com/containers/image/v5 from 5.23.1 to 5.24.2 + * Bump github.com/prometheus/common from 0.39.0 to 0.40.0 + * Bump github.com/prometheus/common from 0.38.0 to 0.39.0 + * Bump github.com/prometheus/common from 0.37.0 to 0.38.0 + * Bump github.com/prometheus/exporter-toolkit from 0.8.1 to 0.8.2 + * github workflow - quay.io container image tag fix + + -- Navid Yaghoobi Sat Feb 25 2023 prometheus-podman-exporter (1.2.0-1) UNRELEASED; urgency=low diff --git a/go.mod b/go.mod index bf9ed488..414c9cec 100644 --- a/go.mod +++ b/go.mod @@ -9,7 +9,7 @@ require ( github.com/go-kit/log v0.2.1 github.com/pkg/errors v0.9.1 github.com/prometheus/client_golang v1.14.0 - github.com/prometheus/common v0.39.0 + github.com/prometheus/common v0.40.0 github.com/prometheus/exporter-toolkit v0.8.2 github.com/sirupsen/logrus v1.8.1 github.com/spf13/cobra v1.6.1 diff --git a/go.sum b/go.sum index 646adb64..c056dd18 100644 --- a/go.sum +++ b/go.sum @@ -866,8 +866,8 @@ github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB8 github.com/prometheus/common v0.26.0/go.mod h1:M7rCNAaPfAosfx8veZJCuw84e35h3Cfd9VFqTh1DIvc= github.com/prometheus/common v0.32.1/go.mod h1:vu+V0TpY+O6vW9J44gczi3Ap/oXXR10b+M/gUGO4Hls= github.com/prometheus/common v0.37.0/go.mod h1:phzohg0JFMnBEFGxTDbfu3QyL5GI8gTQJFhYO5B3mfA= -github.com/prometheus/common v0.39.0 h1:oOyhkDq05hPZKItWVBkJ6g6AtGxi+fy7F4JvUV8uhsI= -github.com/prometheus/common v0.39.0/go.mod h1:6XBZ7lYdLCbkAVhwRsWTZn+IN5AB9F/NXd5w0BbEX0Y= +github.com/prometheus/common v0.40.0 h1:Afz7EVRqGg2Mqqf4JuF9vdvp1pi220m55Pi9T2JnO4Q= +github.com/prometheus/common v0.40.0/go.mod h1:L65ZJPSmfn/UBWLQIHV7dBrKFidB/wPlF1y5TlSt9OE= github.com/prometheus/exporter-toolkit v0.8.2 h1:sbJAfBXQFkG6sUkbwBun8MNdzW9+wd5YfPYofbmj0YM= github.com/prometheus/exporter-toolkit v0.8.2/go.mod h1:00shzmJL7KxcsabLWcONwpyNEuWhREOnFqZW7vadFS0= github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk= diff --git a/vendor/github.com/prometheus/common/expfmt/decode.go b/vendor/github.com/prometheus/common/expfmt/decode.go index 7657f841..f4fc8845 100644 --- a/vendor/github.com/prometheus/common/expfmt/decode.go +++ b/vendor/github.com/prometheus/common/expfmt/decode.go @@ -115,32 +115,28 @@ func (d *protoDecoder) Decode(v *dto.MetricFamily) error { // textDecoder implements the Decoder interface for the text protocol. type textDecoder struct { r io.Reader - p TextParser - fams []*dto.MetricFamily + fams map[string]*dto.MetricFamily + err error } // Decode implements the Decoder interface. func (d *textDecoder) Decode(v *dto.MetricFamily) error { - // TODO(fabxc): Wrap this as a line reader to make streaming safer. - if len(d.fams) == 0 { - // No cached metric families, read everything and parse metrics. - fams, err := d.p.TextToMetricFamilies(d.r) - if err != nil { - return err - } - if len(fams) == 0 { - return io.EOF - } - d.fams = make([]*dto.MetricFamily, 0, len(fams)) - for _, f := range fams { - d.fams = append(d.fams, f) + if d.err == nil { + // Read all metrics in one shot. + var p TextParser + d.fams, d.err = p.TextToMetricFamilies(d.r) + // If we don't get an error, store io.EOF for the end. + if d.err == nil { + d.err = io.EOF } } - - *v = *d.fams[0] - d.fams = d.fams[1:] - - return nil + // Pick off one MetricFamily per Decode until there's nothing left. + for key, fam := range d.fams { + *v = *fam + delete(d.fams, key) + return nil + } + return d.err } // SampleDecoder wraps a Decoder to extract samples from the metric families diff --git a/vendor/github.com/prometheus/common/expfmt/text_parse.go b/vendor/github.com/prometheus/common/expfmt/text_parse.go index 84be0643..ac248278 100644 --- a/vendor/github.com/prometheus/common/expfmt/text_parse.go +++ b/vendor/github.com/prometheus/common/expfmt/text_parse.go @@ -142,9 +142,13 @@ func (p *TextParser) reset(in io.Reader) { func (p *TextParser) startOfLine() stateFn { p.lineCount++ if p.skipBlankTab(); p.err != nil { - // End of input reached. This is the only case where - // that is not an error but a signal that we are done. - p.err = nil + // This is the only place that we expect to see io.EOF, + // which is not an error but the signal that we are done. + // Any other error that happens to align with the start of + // a line is still an error. + if p.err == io.EOF { + p.err = nil + } return nil } switch p.currentByte { diff --git a/vendor/github.com/prometheus/common/model/value.go b/vendor/github.com/prometheus/common/model/value.go index c9d8fb1a..9eb44041 100644 --- a/vendor/github.com/prometheus/common/model/value.go +++ b/vendor/github.com/prometheus/common/model/value.go @@ -16,20 +16,12 @@ 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 @@ -38,82 +30,14 @@ var ( ZeroSample = Sample{Timestamp: Earliest} ) -// A SampleValue is a representation of a value for a given sample at a given -// time. -type SampleValue float64 - -// MarshalJSON implements json.Marshaler. -func (v SampleValue) MarshalJSON() ([]byte, error) { - return json.Marshal(v.String()) -} - -// UnmarshalJSON implements json.Unmarshaler. -func (v *SampleValue) UnmarshalJSON(b []byte) error { - if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' { - return fmt.Errorf("sample value must be a quoted string") - } - f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64) - if err != nil { - return err - } - *v = SampleValue(f) - 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 { - if v == o { - return true - } - return math.IsNaN(float64(v)) && math.IsNaN(float64(o)) -} - -func (v SampleValue) String() string { - return strconv.FormatFloat(float64(v), 'f', -1, 64) -} - -// SamplePair pairs a SampleValue with a Timestamp. -type SamplePair struct { - Timestamp Time - Value SampleValue -} - -// MarshalJSON implements json.Marshaler. -func (s SamplePair) MarshalJSON() ([]byte, error) { - t, err := json.Marshal(s.Timestamp) - if err != nil { - return nil, err - } - v, err := json.Marshal(s.Value) - if err != nil { - return nil, err - } - return []byte(fmt.Sprintf("[%s,%s]", t, v)), nil -} - -// UnmarshalJSON implements json.Unmarshaler. -func (s *SamplePair) UnmarshalJSON(b []byte) error { - v := [...]json.Unmarshaler{&s.Timestamp, &s.Value} - return json.Unmarshal(b, &v) -} - -// Equal returns true if this SamplePair and o have equal Values and equal -// Timestamps. The semantics of Value equality is defined by SampleValue.Equal. -func (s *SamplePair) Equal(o *SamplePair) bool { - return s == o || (s.Value.Equal(o.Value) && s.Timestamp.Equal(o.Timestamp)) -} - -func (s SamplePair) String() string { - return fmt.Sprintf("%s @[%s]", s.Value, s.Timestamp) -} - -// Sample is a sample pair associated with a metric. +// Sample is a sample pair associated with a metric. A single sample must either +// define Value or Histogram but not both. Histogram == nil implies the Value +// field is used, otherwise it should be ignored. type Sample struct { - Metric Metric `json:"metric"` - Value SampleValue `json:"value"` - Timestamp Time `json:"timestamp"` + Metric Metric `json:"metric"` + Value SampleValue `json:"value"` + Timestamp Time `json:"timestamp"` + Histogram *SampleHistogram `json:"histogram"` } // Equal compares first the metrics, then the timestamp, then the value. The @@ -129,11 +53,19 @@ func (s *Sample) Equal(o *Sample) bool { if !s.Timestamp.Equal(o.Timestamp) { return false } - + if s.Histogram != nil { + return s.Histogram.Equal(o.Histogram) + } return s.Value.Equal(o.Value) } func (s Sample) String() string { + if s.Histogram != nil { + return fmt.Sprintf("%s => %s", s.Metric, SampleHistogramPair{ + Timestamp: s.Timestamp, + Histogram: s.Histogram, + }) + } return fmt.Sprintf("%s => %s", s.Metric, SamplePair{ Timestamp: s.Timestamp, Value: s.Value, @@ -142,6 +74,19 @@ func (s Sample) String() string { // MarshalJSON implements json.Marshaler. func (s Sample) MarshalJSON() ([]byte, error) { + if s.Histogram != nil { + v := struct { + Metric Metric `json:"metric"` + Histogram SampleHistogramPair `json:"histogram"` + }{ + Metric: s.Metric, + Histogram: SampleHistogramPair{ + Timestamp: s.Timestamp, + Histogram: s.Histogram, + }, + } + return json.Marshal(&v) + } v := struct { Metric Metric `json:"metric"` Value SamplePair `json:"value"` @@ -152,21 +97,25 @@ func (s Sample) MarshalJSON() ([]byte, error) { Value: s.Value, }, } - return json.Marshal(&v) } // UnmarshalJSON implements json.Unmarshaler. func (s *Sample) UnmarshalJSON(b []byte) error { v := struct { - Metric Metric `json:"metric"` - Value SamplePair `json:"value"` + Metric Metric `json:"metric"` + Value SamplePair `json:"value"` + Histogram SampleHistogramPair `json:"histogram"` }{ Metric: s.Metric, Value: SamplePair{ Timestamp: s.Timestamp, Value: s.Value, }, + Histogram: SampleHistogramPair{ + Timestamp: s.Timestamp, + Histogram: s.Histogram, + }, } if err := json.Unmarshal(b, &v); err != nil { @@ -174,8 +123,13 @@ func (s *Sample) UnmarshalJSON(b []byte) error { } s.Metric = v.Metric - s.Timestamp = v.Value.Timestamp - s.Value = v.Value.Value + if v.Histogram.Histogram != nil { + s.Timestamp = v.Histogram.Timestamp + s.Histogram = v.Histogram.Histogram + } else { + s.Timestamp = v.Value.Timestamp + s.Value = v.Value.Value + } return nil } @@ -221,80 +175,76 @@ func (s Samples) Equal(o Samples) bool { // SampleStream is a stream of Values belonging to an attached COWMetric. type SampleStream struct { - Metric Metric `json:"metric"` - Values []SamplePair `json:"values"` + Metric Metric `json:"metric"` + Values []SamplePair `json:"values"` + Histograms []SampleHistogramPair `json:"histograms"` } func (ss SampleStream) String() string { - vals := make([]string, len(ss.Values)) + valuesLength := len(ss.Values) + vals := make([]string, valuesLength+len(ss.Histograms)) for i, v := range ss.Values { vals[i] = v.String() } + for i, v := range ss.Histograms { + vals[i+valuesLength] = v.String() + } return fmt.Sprintf("%s =>\n%s", ss.Metric, strings.Join(vals, "\n")) } -// Value is a generic interface for values resulting from a query evaluation. -type Value interface { - Type() ValueType - String() string +func (ss SampleStream) MarshalJSON() ([]byte, error) { + if len(ss.Histograms) > 0 && len(ss.Values) > 0 { + v := struct { + Metric Metric `json:"metric"` + Values []SamplePair `json:"values"` + Histograms []SampleHistogramPair `json:"histograms"` + }{ + Metric: ss.Metric, + Values: ss.Values, + Histograms: ss.Histograms, + } + return json.Marshal(&v) + } else if len(ss.Histograms) > 0 { + v := struct { + Metric Metric `json:"metric"` + Histograms []SampleHistogramPair `json:"histograms"` + }{ + Metric: ss.Metric, + Histograms: ss.Histograms, + } + return json.Marshal(&v) + } else { + v := struct { + Metric Metric `json:"metric"` + Values []SamplePair `json:"values"` + }{ + Metric: ss.Metric, + Values: ss.Values, + } + return json.Marshal(&v) + } } -func (Matrix) Type() ValueType { return ValMatrix } -func (Vector) Type() ValueType { return ValVector } -func (*Scalar) Type() ValueType { return ValScalar } -func (*String) Type() ValueType { return ValString } - -type ValueType int - -const ( - ValNone ValueType = iota - ValScalar - ValVector - ValMatrix - ValString -) - -// MarshalJSON implements json.Marshaler. -func (et ValueType) MarshalJSON() ([]byte, error) { - return json.Marshal(et.String()) -} +func (ss *SampleStream) UnmarshalJSON(b []byte) error { + v := struct { + Metric Metric `json:"metric"` + Values []SamplePair `json:"values"` + Histograms []SampleHistogramPair `json:"histograms"` + }{ + Metric: ss.Metric, + Values: ss.Values, + Histograms: ss.Histograms, + } -func (et *ValueType) UnmarshalJSON(b []byte) error { - var s string - if err := json.Unmarshal(b, &s); err != nil { + if err := json.Unmarshal(b, &v); err != nil { return err } - switch s { - case "": - *et = ValNone - case "scalar": - *et = ValScalar - case "vector": - *et = ValVector - case "matrix": - *et = ValMatrix - case "string": - *et = ValString - default: - return fmt.Errorf("unknown value type %q", s) - } - return nil -} -func (e ValueType) String() string { - switch e { - case ValNone: - return "" - case ValScalar: - return "scalar" - case ValVector: - return "vector" - case ValMatrix: - return "matrix" - case ValString: - return "string" - } - panic("ValueType.String: unhandled value type") + ss.Metric = v.Metric + ss.Values = v.Values + ss.Histograms = v.Histograms + + return nil } // Scalar is a scalar value evaluated at the set timestamp. diff --git a/vendor/github.com/prometheus/common/model/value_float.go b/vendor/github.com/prometheus/common/model/value_float.go new file mode 100644 index 00000000..8b59571a --- /dev/null +++ b/vendor/github.com/prometheus/common/model/value_float.go @@ -0,0 +1,109 @@ +// Copyright 2013 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 model + +import ( + "encoding/json" + "fmt" + "math" + "strconv" + "unsafe" + + jsoniter "github.com/json-iterator/go" +) + +func init() { + jsoniter.RegisterTypeEncoderFunc("model.SamplePair", marshalSamplePairJSON, marshalJSONIsEmpty) +} + +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} +) + +// A SampleValue is a representation of a value for a given sample at a given +// time. +type SampleValue float64 + +// MarshalJSON implements json.Marshaler. +func (v SampleValue) MarshalJSON() ([]byte, error) { + return json.Marshal(v.String()) +} + +// UnmarshalJSON implements json.Unmarshaler. +func (v *SampleValue) UnmarshalJSON(b []byte) error { + if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' { + return fmt.Errorf("sample value must be a quoted string") + } + f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64) + if err != nil { + return err + } + *v = SampleValue(f) + 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 { + if v == o { + return true + } + return math.IsNaN(float64(v)) && math.IsNaN(float64(o)) +} + +func (v SampleValue) String() string { + return strconv.FormatFloat(float64(v), 'f', -1, 64) +} + +// SamplePair pairs a SampleValue with a Timestamp. +type SamplePair struct { + Timestamp Time + Value SampleValue +} + +// marshalSamplePairJSON writes `[ts, "val"]`. +func marshalSamplePairJSON(ptr unsafe.Pointer, stream *jsoniter.Stream) { + p := *((*SamplePair)(ptr)) + stream.WriteArrayStart() + MarshalTimestamp(int64(p.Timestamp), stream) + stream.WriteMore() + MarshalValue(float64(p.Value), stream) + stream.WriteArrayEnd() +} + +func (s SamplePair) MarshalJSON() ([]byte, error) { + return jsoniter.ConfigCompatibleWithStandardLibrary.Marshal(s) +} + +// UnmarshalJSON implements json.Unmarshaler. +func (s *SamplePair) UnmarshalJSON(b []byte) error { + v := [...]json.Unmarshaler{&s.Timestamp, &s.Value} + return json.Unmarshal(b, &v) +} + +// Equal returns true if this SamplePair and o have equal Values and equal +// Timestamps. The semantics of Value equality is defined by SampleValue.Equal. +func (s *SamplePair) Equal(o *SamplePair) bool { + return s == o || (s.Value.Equal(o.Value) && s.Timestamp.Equal(o.Timestamp)) +} + +func (s SamplePair) String() string { + return fmt.Sprintf("%s @[%s]", s.Value, s.Timestamp) +} diff --git a/vendor/github.com/prometheus/common/model/value_histogram.go b/vendor/github.com/prometheus/common/model/value_histogram.go new file mode 100644 index 00000000..cc221a88 --- /dev/null +++ b/vendor/github.com/prometheus/common/model/value_histogram.go @@ -0,0 +1,174 @@ +// Copyright 2013 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 model + +import ( + "encoding/json" + "fmt" + "strconv" + "strings" + "unsafe" + + jsoniter "github.com/json-iterator/go" +) + +func init() { + jsoniter.RegisterTypeEncoderFunc("model.HistogramBucket", marshalHistogramBucketJSON, marshalJSONIsEmpty) + jsoniter.RegisterTypeEncoderFunc("model.SampleHistogramPair", marshalSampleHistogramPairJSON, marshalJSONIsEmpty) +} + +type FloatString float64 + +func (v FloatString) String() string { + return strconv.FormatFloat(float64(v), 'f', -1, 64) +} + +func (v FloatString) MarshalJSON() ([]byte, error) { + return json.Marshal(v.String()) +} + +func (v *FloatString) UnmarshalJSON(b []byte) error { + if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' { + return fmt.Errorf("float value must be a quoted string") + } + f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64) + if err != nil { + return err + } + *v = FloatString(f) + return nil +} + +type HistogramBucket struct { + Boundaries int32 + Lower FloatString + Upper FloatString + Count FloatString +} + +// marshalHistogramBucketJSON writes fmt.Sprintf("[%s,%s,%s,%s]", b.Boundaries, b.Lower, b.Upper, b.Count). +func marshalHistogramBucketJSON(ptr unsafe.Pointer, stream *jsoniter.Stream) { + b := *((*HistogramBucket)(ptr)) + MarshalHistogramBucket(b, stream) +} + +func (s *HistogramBucket) UnmarshalJSON(buf []byte) error { + tmp := []interface{}{&s.Boundaries, &s.Lower, &s.Upper, &s.Count} + wantLen := len(tmp) + if err := json.Unmarshal(buf, &tmp); err != nil { + return err + } + if gotLen := len(tmp); gotLen != wantLen { + return fmt.Errorf("wrong number of fields: %d != %d", gotLen, wantLen) + } + return nil +} + +func (s *HistogramBucket) Equal(o *HistogramBucket) bool { + return s == o || (s.Boundaries == o.Boundaries && s.Lower == o.Lower && s.Upper == o.Upper && s.Count == o.Count) +} + +func (b HistogramBucket) String() string { + var sb strings.Builder + lowerInclusive := b.Boundaries == 1 || b.Boundaries == 3 + upperInclusive := b.Boundaries == 0 || b.Boundaries == 3 + if lowerInclusive { + sb.WriteRune('[') + } else { + sb.WriteRune('(') + } + fmt.Fprintf(&sb, "%g,%g", b.Lower, b.Upper) + if upperInclusive { + sb.WriteRune(']') + } else { + sb.WriteRune(')') + } + fmt.Fprintf(&sb, ":%v", b.Count) + return sb.String() +} + +type HistogramBuckets []*HistogramBucket + +func (s HistogramBuckets) Equal(o HistogramBuckets) bool { + if len(s) != len(o) { + return false + } + + for i, bucket := range s { + if !bucket.Equal(o[i]) { + return false + } + } + return true +} + +type SampleHistogram struct { + Count FloatString `json:"count"` + Sum FloatString `json:"sum"` + Buckets HistogramBuckets `json:"buckets"` +} + +func (s SampleHistogram) String() string { + return fmt.Sprintf("Count: %f, Sum: %f, Buckets: %v", s.Count, s.Sum, s.Buckets) +} + +func (s *SampleHistogram) Equal(o *SampleHistogram) bool { + return s == o || (s.Count == o.Count && s.Sum == o.Sum && s.Buckets.Equal(o.Buckets)) +} + +type SampleHistogramPair struct { + Timestamp Time + // Histogram should never be nil, it's only stored as pointer for efficiency. + Histogram *SampleHistogram +} + +// marshalSampleHistogramPairJSON writes `[ts, "val"]`. +func marshalSampleHistogramPairJSON(ptr unsafe.Pointer, stream *jsoniter.Stream) { + p := *((*SampleHistogramPair)(ptr)) + stream.WriteArrayStart() + MarshalTimestamp(int64(p.Timestamp), stream) + stream.WriteMore() + MarshalHistogram(*p.Histogram, stream) + stream.WriteArrayEnd() +} + +func (s SampleHistogramPair) MarshalJSON() ([]byte, error) { + if s.Histogram == nil { + return nil, fmt.Errorf("histogram is nil") + } + return jsoniter.ConfigCompatibleWithStandardLibrary.Marshal(s) +} + +func (s *SampleHistogramPair) UnmarshalJSON(buf []byte) error { + tmp := []interface{}{&s.Timestamp, &s.Histogram} + wantLen := len(tmp) + if err := json.Unmarshal(buf, &tmp); err != nil { + return err + } + if gotLen := len(tmp); gotLen != wantLen { + return fmt.Errorf("wrong number of fields: %d != %d", gotLen, wantLen) + } + if s.Histogram == nil { + return fmt.Errorf("histogram is null") + } + return nil +} + +func (s SampleHistogramPair) String() string { + return fmt.Sprintf("%s @[%s]", s.Histogram, s.Timestamp) +} + +func (s *SampleHistogramPair) Equal(o *SampleHistogramPair) bool { + return s == o || (s.Histogram.Equal(o.Histogram) && s.Timestamp.Equal(o.Timestamp)) +} diff --git a/vendor/github.com/prometheus/common/model/value_marshal.go b/vendor/github.com/prometheus/common/model/value_marshal.go new file mode 100644 index 00000000..df193bcb --- /dev/null +++ b/vendor/github.com/prometheus/common/model/value_marshal.go @@ -0,0 +1,131 @@ +// Copyright 2013 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 model + +import ( + "math" + "strconv" + "unsafe" + + jsoniter "github.com/json-iterator/go" +) + +func marshalJSONIsEmpty(ptr unsafe.Pointer) bool { + return false +} + +// MarshalTimestamp marshals a point timestamp using the passed jsoniter stream. +func MarshalTimestamp(t int64, stream *jsoniter.Stream) { + // Write out the timestamp as a float divided by 1000. + // This is ~3x faster than converting to a float. + if t < 0 { + stream.WriteRaw(`-`) + t = -t + } + stream.WriteInt64(t / 1000) + fraction := t % 1000 + if fraction != 0 { + stream.WriteRaw(`.`) + if fraction < 100 { + stream.WriteRaw(`0`) + } + if fraction < 10 { + stream.WriteRaw(`0`) + } + stream.WriteInt64(fraction) + } +} + +// MarshalValue marshals a point value using the passed jsoniter stream. +func MarshalValue(v float64, stream *jsoniter.Stream) { + stream.WriteRaw(`"`) + // Taken from https://github.com/json-iterator/go/blob/master/stream_float.go#L71 as a workaround + // to https://github.com/json-iterator/go/issues/365 (jsoniter, to follow json standard, doesn't allow inf/nan). + buf := stream.Buffer() + abs := math.Abs(v) + fmt := byte('f') + // Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right. + if abs != 0 { + if abs < 1e-6 || abs >= 1e21 { + fmt = 'e' + } + } + buf = strconv.AppendFloat(buf, v, fmt, -1, 64) + stream.SetBuffer(buf) + stream.WriteRaw(`"`) +} + +// MarshalHistogramBucket writes something like: [ 3, "-0.25", "0.25", "3"] +// See MarshalHistogram to understand what the numbers mean +func MarshalHistogramBucket(b HistogramBucket, stream *jsoniter.Stream) { + stream.WriteArrayStart() + stream.WriteInt32(b.Boundaries) + stream.WriteMore() + MarshalValue(float64(b.Lower), stream) + stream.WriteMore() + MarshalValue(float64(b.Upper), stream) + stream.WriteMore() + MarshalValue(float64(b.Count), stream) + stream.WriteArrayEnd() +} + +// MarshalHistogram writes something like: +// +// { +// "count": "42", +// "sum": "34593.34", +// "buckets": [ +// [ 3, "-0.25", "0.25", "3"], +// [ 0, "0.25", "0.5", "12"], +// [ 0, "0.5", "1", "21"], +// [ 0, "2", "4", "6"] +// ] +// } +// +// The 1st element in each bucket array determines if the boundaries are +// inclusive (AKA closed) or exclusive (AKA open): +// +// 0: lower exclusive, upper inclusive +// 1: lower inclusive, upper exclusive +// 2: both exclusive +// 3: both inclusive +// +// The 2nd and 3rd elements are the lower and upper boundary. The 4th element is +// the bucket count. +func MarshalHistogram(h SampleHistogram, stream *jsoniter.Stream) { + stream.WriteObjectStart() + stream.WriteObjectField(`count`) + MarshalValue(float64(h.Count), stream) + stream.WriteMore() + stream.WriteObjectField(`sum`) + MarshalValue(float64(h.Sum), stream) + + bucketFound := false + for _, bucket := range h.Buckets { + if bucket.Count == 0 { + continue // No need to expose empty buckets in JSON. + } + stream.WriteMore() + if !bucketFound { + stream.WriteObjectField(`buckets`) + stream.WriteArrayStart() + } + bucketFound = true + MarshalHistogramBucket(*bucket, stream) + } + if bucketFound { + stream.WriteArrayEnd() + } + stream.WriteObjectEnd() +} diff --git a/vendor/github.com/prometheus/common/model/value_type.go b/vendor/github.com/prometheus/common/model/value_type.go new file mode 100644 index 00000000..726c50ee --- /dev/null +++ b/vendor/github.com/prometheus/common/model/value_type.go @@ -0,0 +1,83 @@ +// Copyright 2013 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 model + +import ( + "encoding/json" + "fmt" +) + +// Value is a generic interface for values resulting from a query evaluation. +type Value interface { + Type() ValueType + String() string +} + +func (Matrix) Type() ValueType { return ValMatrix } +func (Vector) Type() ValueType { return ValVector } +func (*Scalar) Type() ValueType { return ValScalar } +func (*String) Type() ValueType { return ValString } + +type ValueType int + +const ( + ValNone ValueType = iota + ValScalar + ValVector + ValMatrix + ValString +) + +// MarshalJSON implements json.Marshaler. +func (et ValueType) MarshalJSON() ([]byte, error) { + return json.Marshal(et.String()) +} + +func (et *ValueType) UnmarshalJSON(b []byte) error { + var s string + if err := json.Unmarshal(b, &s); err != nil { + return err + } + switch s { + case "": + *et = ValNone + case "scalar": + *et = ValScalar + case "vector": + *et = ValVector + case "matrix": + *et = ValMatrix + case "string": + *et = ValString + default: + return fmt.Errorf("unknown value type %q", s) + } + return nil +} + +func (e ValueType) String() string { + switch e { + case ValNone: + return "" + case ValScalar: + return "scalar" + case ValVector: + return "vector" + case ValMatrix: + return "matrix" + case ValString: + return "string" + } + panic("ValueType.String: unhandled value type") +} diff --git a/vendor/modules.txt b/vendor/modules.txt index e3486b34..3ce77b0a 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -663,7 +663,7 @@ github.com/prometheus/client_golang/prometheus/promhttp # github.com/prometheus/client_model v0.3.0 ## explicit; go 1.9 github.com/prometheus/client_model/go -# github.com/prometheus/common v0.39.0 +# github.com/prometheus/common v0.40.0 ## explicit; go 1.17 github.com/prometheus/common/config github.com/prometheus/common/expfmt