move secretopt to opts pkg

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
This commit is contained in:
Evan Hazlett 2016-11-03 11:08:22 -04:00 committed by Vincent Demeester
parent 583dd83727
commit 20525b5695
1 changed files with 95 additions and 0 deletions

95
opts/secret.go Normal file
View File

@ -0,0 +1,95 @@
package opts
import (
"encoding/csv"
"fmt"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/docker/docker/api/types"
)
// SecretOpt is a Value type for parsing secrets
type SecretOpt struct {
values []*types.SecretRequestOptions
}
// Set a new secret value
func (o *SecretOpt) Set(value string) error {
csvReader := csv.NewReader(strings.NewReader(value))
fields, err := csvReader.Read()
if err != nil {
return err
}
options := &types.SecretRequestOptions{
Source: "",
Target: "",
UID: "0",
GID: "0",
Mode: 0444,
}
for _, field := range fields {
parts := strings.SplitN(field, "=", 2)
key := strings.ToLower(parts[0])
if len(parts) != 2 {
return fmt.Errorf("invalid field '%s' must be a key=value pair", field)
}
value := parts[1]
switch key {
case "source":
options.Source = value
case "target":
tDir, _ := filepath.Split(value)
if tDir != "" {
return fmt.Errorf("target must not be a path")
}
options.Target = value
case "uid":
options.UID = value
case "gid":
options.GID = value
case "mode":
m, err := strconv.ParseUint(value, 0, 32)
if err != nil {
return fmt.Errorf("invalid mode specified: %v", err)
}
options.Mode = os.FileMode(m)
default:
return fmt.Errorf("invalid field in secret request: %s", key)
}
}
if options.Source == "" {
return fmt.Errorf("source is required")
}
o.values = append(o.values, options)
return nil
}
// Type returns the type of this option
func (o *SecretOpt) Type() string {
return "secret"
}
// String returns a string repr of this option
func (o *SecretOpt) String() string {
secrets := []string{}
for _, secret := range o.values {
repr := fmt.Sprintf("%s -> %s", secret.Source, secret.Target)
secrets = append(secrets, repr)
}
return strings.Join(secrets, ", ")
}
// Value returns the secret requests
func (o *SecretOpt) Value() []*types.SecretRequestOptions {
return o.values
}