You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
flux2/cmd/flux/encrypt_init.go

114 lines
3.2 KiB
Go

/*
Copyright 2021 The Flux 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 main
import (
"context"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"filippo.io/age"
"github.com/fluxcd/flux2/internal/utils"
"github.com/go-git/go-git/v5"
"github.com/spf13/cobra"
corev1 "k8s.io/api/core/v1"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
var encryptInitCmd = &cobra.Command{
Use: "init",
Short: "Init SOPS encryption with age identity",
Long: "The encryption init command creates a new age identity and writes a .sops.yaml file to the current working directory.",
Example: ` # Init SOPS encryption with a new age identity
flux encryption init`,
RunE: encryptInitCmdRun,
}
func init() {
encryptCmd.AddCommand(encryptInitCmd)
}
func encryptInitCmdRun(cmd *cobra.Command, args []string) error {
// Confirm our current path is in a Git repository
path, err := os.Getwd()
if err != nil {
return err
}
if _, err := git.PlainOpen(path); err != nil {
if err == git.ErrRepositoryNotExists {
err = fmt.Errorf("'%s' is not in a Git repository", path)
}
return err
}
// Abort early if .sops.yaml already exists
sopsCfgPath := filepath.Join(path, ".sops.yaml")
if _, err := os.Stat(sopsCfgPath); err == nil || os.IsExist(err) {
return fmt.Errorf("'%s' already contains a .sops.yaml config", path)
}
// Generate a new identity
i, err := age.GenerateX25519Identity()
if err != nil {
return err
}
logger.Successf("Generated identity %s", i.Recipient().String())
// Attempt to configure identity in .sops.yaml
const sopsCfg = `creation_rules:
- path_regex: .*.yaml
encrypted_regex: ^(data|stringData)$
age: %s
`
if err := ioutil.WriteFile(sopsCfgPath, []byte(fmt.Sprintf(sopsCfg, i.Recipient().String())), 0644); err != nil {
logger.Failuref("Failed to write recipient to .sops.yaml file")
return err
}
logger.Successf("Configured recipient in .sops.yaml file")
// Init client
ctx, cancel := context.WithTimeout(context.Background(), rootArgs.timeout)
defer cancel()
kubeClient, err := utils.KubeClient(rootArgs.kubeconfig, rootArgs.kubecontext)
if err != nil {
return err
}
// Create a secret
secret := &corev1.Secret{
ObjectMeta: v1.ObjectMeta{
Name: "sops-age",
Namespace: rootArgs.namespace,
},
StringData: map[string]string{
"flux-auto.age": i.String(),
},
}
if err := kubeClient.Create(ctx, secret); err != nil {
return err
}
logger.Successf(`Secret '%s' with private key created`, secret.Name)
// TODO(hidde): lookup kustomize based on path ref? Do direct cluster mutation? (Preferably not!)
// Feels something is missing in general to provide a user experience improving bridge between "die hard"
// `--export` and "please do not do this" direct-apply-to-cluster.
return nil
}