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feat: add a "stacker convert" to convert a Dockerfile (#349)
* feat: add a "stacker convert" to convert a Dockerfile Start with a subset of Dockerfile grammar. (syntax version 1) """ stacker help convert help convert NAME: stacker-dynamic convert - converts a Dockerfile into a stacker yaml file USAGE: stacker-dynamic convert [command options] [arguments...] OPTIONS: --docker-file value, -i value the input Dockerfile (default: "Dockerfile") --output-file value, -o value the output stacker file (default: "stacker.yaml") --substitute-file value, -s value the output file containing detected substitutions (default: "stacker-subs.yaml") """ Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com> * feat: add "substitute-file" support for publish cmd Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "log" | ||
|
|
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| "github.com/urfave/cli" | ||
| "stackerbuild.io/stacker/pkg/stacker" | ||
| ) | ||
|
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| var convertCmd = cli.Command{ | ||
| Name: "convert", | ||
| Usage: "converts a Dockerfile into a stacker yaml file (experimental, best-effort)", | ||
| Action: doConvert, | ||
| Flags: initConvertFlags(), | ||
| Before: beforeConvert, | ||
| } | ||
|
|
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| func initConvertFlags() []cli.Flag { | ||
| return append( | ||
| initCommonConvertFlags(), | ||
| cli.StringFlag{ | ||
| Name: "docker-file, i", | ||
| Usage: "the input Dockerfile", | ||
| Value: "Dockerfile", | ||
| }, | ||
| cli.StringFlag{ | ||
| Name: "output-file, o", | ||
| Usage: "the output stacker file", | ||
| Value: "stacker.yaml", | ||
| }, | ||
| cli.StringFlag{ | ||
| Name: "substitute-file, s", | ||
| Usage: "the output file containing detected substitutions", | ||
| Value: "stacker-subs.yaml", | ||
| }, | ||
| ) | ||
| } | ||
|
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| func initCommonConvertFlags() []cli.Flag { | ||
| return []cli.Flag{} | ||
| } | ||
|
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| func beforeConvert(ctx *cli.Context) error { | ||
| // Validate build failure arguments | ||
|
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| return nil | ||
| } | ||
|
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| func newConvertArgs(ctx *cli.Context) (stacker.ConvertArgs, error) { | ||
| args := stacker.ConvertArgs{ | ||
| Config: config, | ||
| Progress: shouldShowProgress(ctx), | ||
| InputFile: ctx.String("docker-file"), | ||
| OutputFile: ctx.String("output-file"), | ||
| SubstituteFile: ctx.String("substitute-file"), | ||
| } | ||
| return args, nil | ||
| } | ||
|
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| func doConvert(ctx *cli.Context) error { | ||
| args, err := newConvertArgs(ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| converter := stacker.NewConverter(&args) | ||
| if err = converter.Convert(); err != nil { | ||
| log.Fatalf("conversion failed: %e", err) | ||
| } | ||
|
|
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| return nil | ||
| } |
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