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https://github.com/prometheus/prometheus
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Support int and uint as datatype for template formatting
Fixes GH-9679 Signed-off-by: Jacques-Etienne Beaudet <jebeaudet@coveo.com>
This commit is contained in:
Jacques-Etienne Beaudet
Julien Pivotto
parent
0bfef847b0
commit
9fae120f2a
@ -104,6 +104,10 @@ func convertToFloat(i interface{}) (float64, error) {
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return v, nil
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case string:
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return strconv.ParseFloat(v, 64)
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case int:
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return float64(v), nil
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case uint:
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return float64(v), nil
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default:
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return 0, fmt.Errorf("can't convert %T to float", v)
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}
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@ -244,10 +248,11 @@ func NewTemplateExpander(
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sign = "-"
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v = -v
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}
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seconds := int64(v) % 60
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minutes := (int64(v) / 60) % 60
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hours := (int64(v) / 60 / 60) % 24
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days := int64(v) / 60 / 60 / 24
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duration := int64(v)
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seconds := duration % 60
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minutes := (duration / 60) % 60
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hours := (duration / 60 / 60) % 24
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days := duration / 60 / 60 / 24
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// For days to minutes, we display seconds as an integer.
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if days != 0 {
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return fmt.Sprintf("%s%dd %dh %dm %ds", sign, days, hours, minutes, seconds), nil
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@ -286,7 +291,11 @@ func NewTemplateExpander(
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if math.IsNaN(v) || math.IsInf(v, 0) {
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return fmt.Sprintf("%.4g", v), nil
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}
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t := model.TimeFromUnixNano(int64(v * 1e9)).Time().UTC()
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timestamp := v * 1e9
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if timestamp > math.MaxInt64 || timestamp < math.MinInt64 {
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return "", fmt.Errorf("%v cannot be represented as a nanoseconds timestamp since it overflows int64", v)
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}
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t := model.TimeFromUnixNano(int64(timestamp)).Time().UTC()
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return fmt.Sprint(t), nil
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},
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"pathPrefix": func() string {
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@ -243,6 +243,18 @@ func TestTemplateExpansion(t *testing.T) {
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shouldFail: true,
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errorMsg: `error executing template test: template: test:1:3: executing "test" at <humanize "one">: error calling humanize: strconv.ParseFloat: parsing "one": invalid syntax`,
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},
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{
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// Humanize - int.
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text: "{{ range . }}{{ humanize . }}:{{ end }}",
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input: []int{0, -1, 1, 1234567, math.MaxInt64},
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output: "0:-1:1:1.235M:9.223E:",
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},
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{
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// Humanize - uint.
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text: "{{ range . }}{{ humanize . }}:{{ end }}",
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input: []uint{0, 1, 1234567, math.MaxUint64},
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output: "0:1:1.235M:18.45E:",
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},
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{
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// Humanize1024 - float64.
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text: "{{ range . }}{{ humanize1024 . }}:{{ end }}",
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@ -261,6 +273,18 @@ func TestTemplateExpansion(t *testing.T) {
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shouldFail: true,
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errorMsg: `error executing template test: template: test:1:3: executing "test" at <humanize1024 "one">: error calling humanize1024: strconv.ParseFloat: parsing "one": invalid syntax`,
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},
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{
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// Humanize1024 - int.
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text: "{{ range . }}{{ humanize1024 . }}:{{ end }}",
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input: []int{0, -1, 1, 1234567, math.MaxInt64},
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output: "0:-1:1:1.177Mi:8Ei:",
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},
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{
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// Humanize1024 - uint.
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text: "{{ range . }}{{ humanize1024 . }}:{{ end }}",
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input: []uint{0, 1, 1234567, math.MaxUint64},
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output: "0:1:1.177Mi:16Ei:",
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},
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{
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// HumanizeDuration - seconds - float64.
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text: "{{ range . }}{{ humanizeDuration . }}:{{ end }}",
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@ -291,6 +315,18 @@ func TestTemplateExpansion(t *testing.T) {
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shouldFail: true,
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errorMsg: `error executing template test: template: test:1:3: executing "test" at <humanizeDuration "one">: error calling humanizeDuration: strconv.ParseFloat: parsing "one": invalid syntax`,
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},
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{
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// HumanizeDuration - int.
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text: "{{ range . }}{{ humanizeDuration . }}:{{ end }}",
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input: []int{0, -1, 1, 1234567, math.MaxInt64},
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output: "0s:-1s:1s:14d 6h 56m 7s:-106751991167300d -15h -30m -8s:",
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},
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{
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// HumanizeDuration - uint.
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text: "{{ range . }}{{ humanizeDuration . }}:{{ end }}",
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input: []uint{0, 1, 1234567, math.MaxUint64},
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output: "0s:1s:14d 6h 56m 7s:-106751991167300d -15h -30m -8s:",
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},
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{
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// Humanize* Inf and NaN - float64.
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text: "{{ range . }}{{ humanize . }}:{{ humanize1024 . }}:{{ humanizeDuration . }}:{{humanizeTimestamp .}}:{{ end }}",
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@ -308,6 +344,18 @@ func TestTemplateExpansion(t *testing.T) {
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text: "{{ -0.22222 | humanizePercentage }}:{{ 0.0 | humanizePercentage }}:{{ 0.1234567 | humanizePercentage }}:{{ 1.23456 | humanizePercentage }}",
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output: "-22.22%:0%:12.35%:123.5%",
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},
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{
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// HumanizePercentage - int.
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text: "{{ range . }}{{ humanizePercentage . }}:{{ end }}",
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input: []int{0, -1, 1, 1234567, math.MaxInt64},
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output: "0%:-100%:100%:1.235e+08%:9.223e+20%:",
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},
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{
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// HumanizePercentage - uint.
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text: "{{ range . }}{{ humanizePercentage . }}:{{ end }}",
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input: []uint{0, 1, 1234567, math.MaxUint64},
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output: "0%:100%:1.235e+08%:1.845e+21%:",
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},
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{
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// HumanizePercentage - model.SampleValue input - string.
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text: `{{ "-0.22222" | humanizePercentage }}:{{ "0.0" | humanizePercentage }}:{{ "0.1234567" | humanizePercentage }}:{{ "1.23456" | humanizePercentage }}`,
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@ -319,6 +367,32 @@ func TestTemplateExpansion(t *testing.T) {
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shouldFail: true,
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errorMsg: `error executing template test: template: test:1:11: executing "test" at <humanizePercentage>: error calling humanizePercentage: strconv.ParseFloat: parsing "one": invalid syntax`,
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},
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{
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// HumanizeTimestamp - int.
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text: "{{ range . }}{{ humanizeTimestamp . }}:{{ end }}",
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input: []int{0, -1, 1, 1234567, 9223372036},
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output: "1970-01-01 00:00:00 +0000 UTC:1969-12-31 23:59:59 +0000 UTC:1970-01-01 00:00:01 +0000 UTC:1970-01-15 06:56:07 +0000 UTC:2262-04-11 23:47:16 +0000 UTC:",
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},
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{
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// HumanizeTimestamp - uint.
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text: "{{ range . }}{{ humanizeTimestamp . }}:{{ end }}",
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input: []uint{0, 1, 1234567, 9223372036},
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output: "1970-01-01 00:00:00 +0000 UTC:1970-01-01 00:00:01 +0000 UTC:1970-01-15 06:56:07 +0000 UTC:2262-04-11 23:47:16 +0000 UTC:",
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},
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{
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// HumanizeTimestamp - int with error.
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text: "{{ range . }}{{ humanizeTimestamp . }}:{{ end }}",
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input: []int{math.MinInt64, math.MaxInt64},
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shouldFail: true,
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errorMsg: `error executing template test: template: test:1:16: executing "test" at <humanizeTimestamp .>: error calling humanizeTimestamp: -9.223372036854776e+18 cannot be represented as a nanoseconds timestamp since it overflows int64`,
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},
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{
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// HumanizeTimestamp - uint with error.
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text: "{{ range . }}{{ humanizeTimestamp . }}:{{ end }}",
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input: []uint{math.MaxUint64},
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shouldFail: true,
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errorMsg: `error executing template test: template: test:1:16: executing "test" at <humanizeTimestamp .>: error calling humanizeTimestamp: 1.8446744073709552e+19 cannot be represented as a nanoseconds timestamp since it overflows int64`,
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},
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{
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// HumanizeTimestamp - model.SampleValue input - float64.
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text: "{{ 1435065584.128 | humanizeTimestamp }}",
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