/
secret.go
90 lines (75 loc) · 2.26 KB
/
secret.go
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/**
Code for parsing Buildkit arguments adapted from Docker CLI
Adapted from
https://github.com/docker/cli/blob/28ac2f82c690ac8f37c2980f2787572815439a50/cli/command/image/build_buildkit.go
Copyright 2013-2017 Docker, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package buildkit
import (
"encoding/csv"
"strings"
"github.com/moby/buildkit/session"
"github.com/moby/buildkit/session/secrets/secretsprovider"
"github.com/pkg/errors"
)
func ParseSecretSpecs(sl []string) (session.Attachable, error) {
fs := make([]secretsprovider.Source, 0, len(sl))
for _, v := range sl {
s, err := parseSecret(v)
if err != nil {
return nil, err
}
fs = append(fs, *s)
}
store, err := secretsprovider.NewStore(fs)
if err != nil {
return nil, err
}
return secretsprovider.NewSecretProvider(store), nil
}
func parseSecret(value string) (*secretsprovider.Source, error) {
csvReader := csv.NewReader(strings.NewReader(value))
fields, err := csvReader.Read()
if err != nil {
return nil, errors.Wrap(err, "failed to parse csv secret")
}
fs := secretsprovider.Source{}
var typ string
for _, field := range fields {
parts := strings.SplitN(field, "=", 2)
key := strings.ToLower(parts[0])
if len(parts) != 2 {
return nil, errors.Errorf("invalid field '%s' must be a key=value pair", field)
}
value := parts[1]
switch key {
case "type":
if value != "file" && value != "env" {
return nil, errors.Errorf("unsupported secret type %q", value)
}
typ = value
case "id":
fs.ID = value
case "source", "src":
fs.FilePath = value
case "env":
fs.Env = value
default:
return nil, errors.Errorf("unexpected key '%s' in '%s'", key, field)
}
}
if typ == "env" && fs.Env == "" {
fs.Env = fs.FilePath
fs.FilePath = ""
}
return &fs, nil
}