Merge pull request #249 from rgarcia/config-decoding

provisioner/shell,file: use common for config decoding
This commit is contained in:
Mitchell Hashimoto 2013-08-07 06:35:59 -07:00
commit 20d0479594
2 changed files with 22 additions and 69 deletions

View File

@ -3,11 +3,9 @@ package file
import (
"errors"
"fmt"
"github.com/mitchellh/mapstructure"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/packer"
"os"
"sort"
"strings"
)
type config struct {
@ -23,49 +21,26 @@ type Provisioner struct {
}
func (p *Provisioner) Prepare(raws ...interface{}) error {
var md mapstructure.Metadata
decoderConfig := &mapstructure.DecoderConfig{
Metadata: &md,
Result: &p.config,
}
decoder, err := mapstructure.NewDecoder(decoderConfig)
md, err := common.DecodeConfig(&p.config, raws...)
if err != nil {
return err
}
for _, raw := range raws {
err := decoder.Decode(raw)
if err != nil {
return err
}
}
// Accumulate any errors
errs := make([]error, 0)
// Unused keys are errors
if len(md.Unused) > 0 {
sort.Strings(md.Unused)
for _, unused := range md.Unused {
if unused != "type" && !strings.HasPrefix(unused, "packer_") {
errs = append(
errs, fmt.Errorf("Unknown configuration key: %s", unused))
}
}
}
errs := common.CheckUnusedConfig(md)
if _, err := os.Stat(p.config.Source); err != nil {
errs = append(errs,
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("Bad source '%s': %s", p.config.Source, err))
}
if p.config.Destination == "" {
errs = append(errs, errors.New("Destination must be specified."))
errs = packer.MultiErrorAppend(errs,
errors.New("Destination must be specified."))
}
if len(errs) > 0 {
return &packer.MultiError{errs}
if errs != nil && len(errs.Errors) > 0 {
return errs
}
return nil

View File

@ -7,12 +7,11 @@ import (
"bytes"
"errors"
"fmt"
"github.com/mitchellh/mapstructure"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/packer"
"io/ioutil"
"log"
"os"
"sort"
"strings"
"text/template"
)
@ -61,37 +60,13 @@ type ExecuteCommandTemplate struct {
}
func (p *Provisioner) Prepare(raws ...interface{}) error {
var md mapstructure.Metadata
decoderConfig := &mapstructure.DecoderConfig{
Metadata: &md,
Result: &p.config,
}
decoder, err := mapstructure.NewDecoder(decoderConfig)
md, err := common.DecodeConfig(&p.config, raws...)
if err != nil {
return err
}
for _, raw := range raws {
err := decoder.Decode(raw)
if err != nil {
return err
}
}
// Accumulate any errors
errs := make([]error, 0)
// Unused keys are errors
if len(md.Unused) > 0 {
sort.Strings(md.Unused)
for _, unused := range md.Unused {
if unused != "type" && !strings.HasPrefix(unused, "packer_") {
errs = append(
errs, fmt.Errorf("Unknown configuration key: %s", unused))
}
}
}
errs := common.CheckUnusedConfig(md)
if p.config.ExecuteCommand == "" {
p.config.ExecuteCommand = "chmod +x {{.Path}}; {{.Vars}} {{.Path}}"
@ -118,7 +93,8 @@ func (p *Provisioner) Prepare(raws ...interface{}) error {
}
if p.config.Script != "" && len(p.config.Scripts) > 0 {
errs = append(errs, errors.New("Only one of script or scripts can be specified."))
errs = packer.MultiErrorAppend(errs,
errors.New("Only one of script or scripts can be specified."))
}
if p.config.Script != "" {
@ -126,14 +102,17 @@ func (p *Provisioner) Prepare(raws ...interface{}) error {
}
if len(p.config.Scripts) == 0 && p.config.Inline == nil {
errs = append(errs, errors.New("Either a script file or inline script must be specified."))
errs = packer.MultiErrorAppend(errs,
errors.New("Either a script file or inline script must be specified."))
} else if len(p.config.Scripts) > 0 && p.config.Inline != nil {
errs = append(errs, errors.New("Only a script file or an inline script can be specified, not both."))
errs = packer.MultiErrorAppend(errs,
errors.New("Only a script file or an inline script can be specified, not both."))
}
for _, path := range p.config.Scripts {
if _, err := os.Stat(path); err != nil {
errs = append(errs, fmt.Errorf("Bad script '%s': %s", path, err))
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("Bad script '%s': %s", path, err))
}
}
@ -141,14 +120,13 @@ func (p *Provisioner) Prepare(raws ...interface{}) error {
for _, kv := range p.config.Vars {
vs := strings.Split(kv, "=")
if len(vs) != 2 || vs[0] == "" {
errs = append(
errs,
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("Environment variable not in format 'key=value': %s", kv))
}
}
if len(errs) > 0 {
return &packer.MultiError{errs}
if errs != nil && len(errs.Errors) > 0 {
return errs
}
return nil