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bake: add list-variables option

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2024-06-27 22:18:40 -07:00
parent 7460f049f2
commit 233b869c63
6 changed files with 121 additions and 60 deletions
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56
commands/bake.go
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@ -15,6 +15,7 @@ import (
"github.com/containerd/console"
"github.com/containerd/platforms"
"github.com/docker/buildx/bake"
"github.com/docker/buildx/bake/hclparser"
"github.com/docker/buildx/build"
"github.com/docker/buildx/builder"
"github.com/docker/buildx/controller/pb"
@ -39,6 +40,7 @@ type bakeOptions struct {
overrides []string
printOnly bool
listTargets bool
listVars bool
sbom string
provenance string
@ -161,19 +163,19 @@ func runBake(ctx context.Context, dockerCli command.Cli, targets []string, in ba
if err != nil {
return
}
}
if progressMode != progressui.QuietMode && progressMode != progressui.RawJSONMode {
desktop.PrintBuildDetails(os.Stderr, printer.BuildRefs(), term)
}
if resp != nil && len(in.metadataFile) > 0 {
dt := make(map[string]interface{})
for t, r := range resp {
dt[t] = decodeExporterResponse(r.ExporterResponse)
if progressMode != progressui.QuietMode && progressMode != progressui.RawJSONMode {
desktop.PrintBuildDetails(os.Stderr, printer.BuildRefs(), term)
}
if warnings := printer.Warnings(); len(warnings) > 0 && confutil.MetadataWarningsEnabled() {
dt["buildx.build.warnings"] = warnings
if resp != nil && len(in.metadataFile) > 0 {
dt := make(map[string]interface{})
for t, r := range resp {
dt[t] = decodeExporterResponse(r.ExporterResponse)
}
if warnings := printer.Warnings(); len(warnings) > 0 && confutil.MetadataWarningsEnabled() {
dt["buildx.build.warnings"] = warnings
}
err = writeMetadataFile(in.metadataFile, dt)
}
err = writeMetadataFile(in.metadataFile, dt)
}
}()
@ -193,8 +195,8 @@ func runBake(ctx context.Context, dockerCli command.Cli, targets []string, in ba
"BAKE_LOCAL_PLATFORM": platforms.Format(platforms.DefaultSpec()),
}
if in.listTargets {
cfg, err := bake.ParseFiles(files, defaults)
if in.listTargets || in.listVars {
cfg, pm, err := bake.ParseFiles(files, defaults)
if err != nil {
return err
}
@ -204,7 +206,11 @@ func runBake(ctx context.Context, dockerCli command.Cli, targets []string, in ba
if err != nil {
return err
}
return printTargetList(dockerCli.Out(), cfg)
if in.listTargets {
return printTargetList(dockerCli.Out(), cfg)
} else if in.listVars {
return printVars(dockerCli.Out(), pm.AllVariables)
}
}
tgts, grps, err := bake.ReadTargets(ctx, files, targets, overrides, defaults)
@ -439,6 +445,7 @@ func bakeCmd(dockerCli command.Cli, rootOpts *rootOptions) *cobra.Command {
flags.BoolVar(&options.exportLoad, "load", false, `Shorthand for "--set=*.output=type=docker"`)
flags.BoolVar(&options.printOnly, "print", false, "Print the options without building")
flags.BoolVar(&options.listTargets, "list-targets", false, "List available targets")
flags.BoolVar(&options.listVars, "list-variables", false, "List defined variables")
flags.BoolVar(&options.exportPush, "push", false, `Shorthand for "--set=*.output=type=registry"`)
flags.StringVar(&options.sbom, "sbom", "", `Shorthand for "--set=*.attest=type=sbom"`)
flags.StringVar(&options.provenance, "provenance", "", `Shorthand for "--set=*.attest=type=provenance"`)
@ -503,6 +510,27 @@ func readBakeFiles(ctx context.Context, nodes []builder.Node, url string, names
return
}
func printVars(w io.Writer, vars []*hclparser.Variable) error {
slices.SortFunc(vars, func(a, b *hclparser.Variable) int {
return cmp.Compare(a.Name, b.Name)
})
tw := tabwriter.NewWriter(w, 1, 8, 1, '\t', 0)
defer tw.Flush()
tw.Write([]byte("VARIABLE\tVALUE\tDESCRIPTION\n"))
for _, v := range vars {
var value string
if v.Value != nil {
value = *v.Value
} else {
value = "<null>"
}
fmt.Fprintf(tw, "%s\t%s\t%s\n", v.Name, value, v.Description)
}
return nil
}
func printTargetList(w io.Writer, cfg *bake.Config) error {
tw := tabwriter.NewWriter(w, 1, 8, 1, '\t', 0)
defer tw.Flush()