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Print lint warnings #4761

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merged 3 commits into from
Apr 11, 2024
Merged

Print lint warnings #4761

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72d7aa7
update print to include lint subcommand
daghack Apr 9, 2024
81fc6a3
Consolidate tests and update Warning output to include source data
daghack Apr 10, 2024
e81c6c6
refactored opt.Warn to simplify and updated warning data
daghack Apr 10, 2024
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4 changes: 4 additions & 0 deletions frontend/dockerfile/builder/build.go
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ import (
"github.com/moby/buildkit/frontend/dockerui"
"github.com/moby/buildkit/frontend/gateway/client"
gwpb "github.com/moby/buildkit/frontend/gateway/pb"
"github.com/moby/buildkit/frontend/subrequests/lint"
"github.com/moby/buildkit/frontend/subrequests/outline"
"github.com/moby/buildkit/frontend/subrequests/targets"
"github.com/moby/buildkit/solver/errdefs"
Expand Down Expand Up @@ -85,6 +86,9 @@ func Build(ctx context.Context, c client.Client) (_ *client.Result, err error) {
ListTargets: func(ctx context.Context) (*targets.List, error) {
return dockerfile2llb.ListTargets(ctx, src.Data)
},
Lint: func(ctx context.Context) (*lint.LintResults, error) {
return dockerfile2llb.DockerfileLint(ctx, src.Data, convertOpt)
},
}); err != nil {
return nil, err
} else if ok {
Expand Down
36 changes: 36 additions & 0 deletions frontend/dockerfile/dockerfile2llb/convert.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ import (
"github.com/moby/buildkit/frontend/dockerfile/parser"
"github.com/moby/buildkit/frontend/dockerfile/shell"
"github.com/moby/buildkit/frontend/dockerui"
"github.com/moby/buildkit/frontend/subrequests/lint"
"github.com/moby/buildkit/frontend/subrequests/outline"
"github.com/moby/buildkit/frontend/subrequests/targets"
"github.com/moby/buildkit/identity"
Expand Down Expand Up @@ -110,6 +111,41 @@ func Dockefile2Outline(ctx context.Context, dt []byte, opt ConvertOpt) (*outline
return &o, nil
}

func DockerfileLint(ctx context.Context, dt []byte, opt ConvertOpt) (*lint.LintResults, error) {
results := &lint.LintResults{}
opt.Warn = func(short, url string, detail [][]byte, location []parser.Range) {
var ruleName, ruleDetail string
if strings.HasPrefix(short, "Lint Rule ") {
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ruleName = strings.TrimPrefix(short, "Lint Rule ")
ruleParts := strings.Split(ruleName, ":")
ruleName = strings.Trim(ruleParts[0], "'")
ruleDetail = strings.TrimSpace(ruleParts[1])
} else {
return
}
sourceIndex := results.AddSource(opt.SourceMap.Filename, "Dockerfile", opt.SourceMap.Data)
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sourceLocation := []lint.Range{}
for _, loc := range location {
sourceLocation = append(sourceLocation, lint.Range{
Start: lint.Position{
Line: loc.Start.Line,
Column: loc.Start.Character,
},
End: lint.Position{
Line: loc.End.Line,
Column: loc.End.Character,
},
})
}
results.AddWarning(ruleName, ruleDetail, sourceIndex, sourceLocation)
}
_, err := toDispatchState(ctx, dt, opt)
if err != nil {
return nil, err
}
return results, nil
}

func ListTargets(ctx context.Context, dt []byte) (*targets.List, error) {
dockerfile, err := parser.Parse(bytes.NewReader(dt))
if err != nil {
Expand Down
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