mirror of https://github.com/helm/helm
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
151 lines
3.3 KiB
151 lines
3.3 KiB
/*
|
|
Copyright The Helm Authors.
|
|
|
|
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 action
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"syscall"
|
|
|
|
"github.com/Masterminds/semver"
|
|
"github.com/pkg/errors"
|
|
"golang.org/x/crypto/ssh/terminal"
|
|
|
|
"k8s.io/helm/pkg/chart"
|
|
"k8s.io/helm/pkg/chart/loader"
|
|
"k8s.io/helm/pkg/chartutil"
|
|
"k8s.io/helm/pkg/provenance"
|
|
)
|
|
|
|
// Package is the action for packaging a chart.
|
|
//
|
|
// It provides the implementation of 'helm package'.
|
|
type Package struct {
|
|
ValueOptions
|
|
|
|
Sign bool
|
|
Key string
|
|
Keyring string
|
|
Version string
|
|
AppVersion string
|
|
Destination string
|
|
DependencyUpdate bool
|
|
}
|
|
|
|
// NewPackage creates a new Package object with the given configuration.
|
|
func NewPackage() *Package {
|
|
return &Package{}
|
|
}
|
|
|
|
// Run executes 'helm package' against the given chart and returns the path to the packaged chart.
|
|
func (p *Package) Run(path string) (string, error) {
|
|
ch, err := loader.LoadDir(path)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
validChartType, err := chartutil.IsValidChartType(ch)
|
|
if !validChartType {
|
|
return "", err
|
|
}
|
|
|
|
combinedVals, err := chartutil.CoalesceValues(ch, p.ValueOptions.rawValues)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
ch.Values = combinedVals
|
|
|
|
// If version is set, modify the version.
|
|
if len(p.Version) != 0 {
|
|
if err := setVersion(ch, p.Version); err != nil {
|
|
return "", err
|
|
}
|
|
}
|
|
|
|
if p.AppVersion != "" {
|
|
ch.Metadata.AppVersion = p.AppVersion
|
|
}
|
|
|
|
if reqs := ch.Metadata.Dependencies; reqs != nil {
|
|
if err := CheckDependencies(ch, reqs); err != nil {
|
|
return "", err
|
|
}
|
|
}
|
|
|
|
var dest string
|
|
if p.Destination == "." {
|
|
// Save to the current working directory.
|
|
dest, err = os.Getwd()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
} else {
|
|
// Otherwise save to set destination
|
|
dest = p.Destination
|
|
}
|
|
|
|
name, err := chartutil.Save(ch, dest)
|
|
if err != nil {
|
|
return "", errors.Wrap(err, "failed to save")
|
|
}
|
|
|
|
if p.Sign {
|
|
err = p.Clearsign(name)
|
|
}
|
|
|
|
return "", err
|
|
}
|
|
|
|
func setVersion(ch *chart.Chart, ver string) error {
|
|
// Verify that version is a Version, and error out if it is not.
|
|
if _, err := semver.NewVersion(ver); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Set the version field on the chart.
|
|
ch.Metadata.Version = ver
|
|
return nil
|
|
}
|
|
|
|
func (p *Package) Clearsign(filename string) error {
|
|
// Load keyring
|
|
signer, err := provenance.NewFromKeyring(p.Keyring, p.Key)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := signer.DecryptKey(promptUser); err != nil {
|
|
return err
|
|
}
|
|
|
|
sig, err := signer.ClearSign(filename)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return ioutil.WriteFile(filename+".prov", []byte(sig), 0755)
|
|
}
|
|
|
|
// promptUser implements provenance.PassphraseFetcher
|
|
func promptUser(name string) ([]byte, error) {
|
|
fmt.Printf("Password for key %q > ", name)
|
|
pw, err := terminal.ReadPassword(int(syscall.Stdin))
|
|
fmt.Println()
|
|
return pw, err
|
|
}
|