diff --git a/util/progress/metricwriter.go b/util/progress/metricwriter.go index 23d0fc50..c341eafe 100644 --- a/util/progress/metricwriter.go +++ b/util/progress/metricwriter.go @@ -17,6 +17,31 @@ import ( "golang.org/x/text/language" ) +type rePatterns struct { + LocalSourceType *regexp.Regexp + ImageSourceType *regexp.Regexp + ExecType *regexp.Regexp + ExportImageType *regexp.Regexp + LintMessage *regexp.Regexp +} + +var re = sync.OnceValue(func() *rePatterns { + return &rePatterns{ + LocalSourceType: regexp.MustCompile( + strings.Join([]string{ + `(?P\[internal] load build context)`, + `(?Pload build definition)`, + `(?Pload \.dockerignore)`, + `(?P\[context .+] load from client)`, + }, "|"), + ), + ImageSourceType: regexp.MustCompile(`^\[.*] FROM `), + ExecType: regexp.MustCompile(`^\[.*] RUN `), + ExportImageType: regexp.MustCompile(`^exporting to (image|(?P\w+) image format)$`), + LintMessage: regexp.MustCompile(`^https://docs\.docker\.com/go/dockerfile/rule/([\w|-]+)/`), + } +}) + type metricWriter struct { recorders []metricRecorder attrs attribute.Set @@ -128,22 +153,13 @@ func (mr *localSourceTransferMetricRecorder) Record(ss *client.SolveStatus) { } } -var reLocalSourceType = regexp.MustCompile( - strings.Join([]string{ - `(?P\[internal] load build context)`, - `(?Pload build definition)`, - `(?Pload \.dockerignore)`, - `(?P\[context .+] load from client)`, - }, "|"), -) - func detectLocalSourceType(vertexName string) attribute.KeyValue { - match := reLocalSourceType.FindStringSubmatch(vertexName) + match := re().LocalSourceType.FindStringSubmatch(vertexName) if match == nil { return attribute.KeyValue{} } - for i, source := range reLocalSourceType.SubexpNames() { + for i, source := range re().LocalSourceType.SubexpNames() { if len(source) == 0 { // Not a subexpression. continue @@ -241,10 +257,8 @@ func (mr *imageSourceMetricRecorder) Record(ss *client.SolveStatus) { } } -var reImageSourceType = regexp.MustCompile(`^\[.*] FROM `) - func detectImageSourceType(vertexName string) bool { - return reImageSourceType.MatchString(vertexName) + return re().ImageSourceType.MatchString(vertexName) } type ( @@ -278,10 +292,8 @@ func (mr *execMetricRecorder) Record(ss *client.SolveStatus) { } } -var reExecType = regexp.MustCompile(`^\[.*] RUN `) - func detectExecType(vertexName string) bool { - return reExecType.MatchString(vertexName) + return re().ExecType.MatchString(vertexName) } type ( @@ -325,10 +337,8 @@ func (mr *exportImageMetricRecorder) Record(ss *client.SolveStatus) { } } -var reExportImageType = regexp.MustCompile(`^exporting to (image|(?P\w+) image format)$`) - func detectExportImageType(vertexName string) string { - m := reExportImageType.FindStringSubmatch(vertexName) + m := re().ExportImageType.FindStringSubmatch(vertexName) if m == nil { return "" } @@ -456,7 +466,10 @@ func kebabToCamel(s string) string { return strings.Join(words, "") } +var lintRuleNameProperty = attribute.Key("lint.rule.name") + func (mr *lintMetricRecorder) Record(ss *client.SolveStatus) { + reLintMessage := re().LintMessage for _, warning := range ss.Warnings { m := reLintMessage.FindSubmatch([]byte(warning.URL)) if len(m) < 2 { @@ -472,8 +485,3 @@ func (mr *lintMetricRecorder) Record(ss *client.SolveStatus) { ) } } - -var ( - reLintMessage = regexp.MustCompile(`^https://docs\.docker\.com/go/dockerfile/rule/([\w|-]+)/`) - lintRuleNameProperty = attribute.Key("lint.rule.name") -)