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fail prepare if hash not found

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Matthew Hooker 2017-04-19 21:20:47 -07:00
parent 6722a6ba0c
commit fbd621d227
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GPG key ID: 7B5F933D9CE8C6A1
1 changed files with 21 additions and 22 deletions
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43
post-processor/checksum/post-processor.go
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@ -37,6 +37,17 @@ type outputPathTemplate struct {
HashType string
}
func getHashMap() map[string]func() hash.Hash {
return map[string]func() hash.Hash{
"md5": func() hash.Hash { return md5.New() },
"sha1": func() hash.Hash { return sha1.New() },
"sha224": func() hash.Hash { return sha256.New224() },
"sha256": func() hash.Hash { return sha256.New() },
"sha384": func() hash.Hash { return sha512.New384() },
"sha512": func() hash.Hash { return sha512.New() },
}
}
func (p *PostProcessor) Configure(raws ...interface{}) error {
err := config.Decode(&p.config, &config.DecodeOpts{
Interpolate: true,
@ -47,17 +58,24 @@ func (p *PostProcessor) Configure(raws ...interface{}) error {
if err != nil {
return err
}
errs := new(packer.MultiError)
if p.config.ChecksumTypes == nil {
p.config.ChecksumTypes = []string{"md5"}
}
hashMap := getHashMap()
for _, k := range p.config.ChecksumTypes {
if _, ok := hashMap[k]; !ok {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("Unrecognized checksum type: %s", k))
}
}
if p.config.OutputPath == "" {
p.config.OutputPath = "packer_{{.BuildName}}_{{.BuilderType}}_{{.HashType}}.checksum"
}
errs := new(packer.MultiError)
if err = interpolate.Validate(p.config.OutputPath, &p.config.ctx); err != nil {
errs = packer.MultiErrorAppend(
errs, fmt.Errorf("Error parsing target template: %s", err))
@ -70,25 +88,6 @@ func (p *PostProcessor) Configure(raws ...interface{}) error {
return nil
}
func getHash(t string) hash.Hash {
var h hash.Hash
switch t {
case "md5":
h = md5.New()
case "sha1":
h = sha1.New()
case "sha224":
h = sha256.New224()
case "sha256":
h = sha256.New()
case "sha384":
h = sha512.New384()
case "sha512":
h = sha512.New()
}
return h
}
func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (packer.Artifact, bool, error) {
files := artifact.Files()
var h hash.Hash
@ -101,7 +100,7 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
}
for _, ct := range p.config.ChecksumTypes {
h = getHash(ct)
h = getHashMap()[ct]()
opTpl.HashType = ct
p.config.ctx.Data = &opTpl