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Introduce service accounts and bootstrap tokens (#22)

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This commit is contained in:
Nikolay Edigaryev
2023-02-21 11:34:12 -05:00
committed by GitHub
parent edb9b3d693
commit 8df31f7c2d
37 changed files with 1245 additions and 40 deletions
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internal/command/controller/init.go
+27 -4
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@@ -11,6 +11,7 @@ import (
"errors"
"fmt"
"github.com/cirruslabs/orchard/internal/controller"
v1 "github.com/cirruslabs/orchard/pkg/resource/v1"
"github.com/spf13/cobra"
"math/big"
"time"
@@ -20,6 +21,8 @@ var ErrInitFailed = errors.New("controller initialization failed")
var controllerCertPath string
var controllerKeyPath string
var serviceAccountName string
var serviceAccountToken string
var force bool
func newInitCommand() *cobra.Command {
@@ -35,6 +38,10 @@ func newInitCommand() *cobra.Command {
command.PersistentFlags().StringVar(&controllerKeyPath, "controller-key", "",
"do not auto-generate the controller certificate key, import it from the specified path instead"+
" (requires --controller-cert)")
command.PersistentFlags().StringVar(&serviceAccountName, "service-account-name", "admin",
"name of the service account with maximum privileges to create")
command.PersistentFlags().StringVar(&serviceAccountToken, "service-account-token", "",
"token to use when creating the service account with maximum privileges")
command.PersistentFlags().BoolVar(&force, "force", false,
"force re-initialization if the controller is already initialized")
@@ -42,7 +49,9 @@ func newInitCommand() *cobra.Command {
}
func runInit(cmd *cobra.Command, args []string) (err error) {
var controllerCert tls.Certificate
if serviceAccountToken == "" {
return fmt.Errorf("%w: --service-account-token is required", ErrInitFailed)
}
dataDir, err := controller.NewDataDir(dataDirPath)
if err != nil {
@@ -59,6 +68,8 @@ func runInit(cmd *cobra.Command, args []string) (err error) {
"please specify \"--force\" to re-initialize", ErrInitFailed)
}
var controllerCert tls.Certificate
if controllerCertPath != "" || controllerKeyPath != "" {
if err := checkBothCertAndKeyAreSpecified(); err != nil {
return err
@@ -69,7 +80,7 @@ func runInit(cmd *cobra.Command, args []string) (err error) {
return err
}
} else {
controllerCert, err = generateSelfSignedControllerCertificate()
controllerCert, err = GenerateSelfSignedControllerCertificate()
if err != nil {
return err
}
@@ -79,7 +90,19 @@ func runInit(cmd *cobra.Command, args []string) (err error) {
return err
}
return nil
// Run the controller to create the service account with maximum privileges
controller, err := controller.New(controller.WithDataDir(dataDir))
if err != nil {
return err
}
return controller.EnsureServiceAccount(&v1.ServiceAccount{
Meta: v1.Meta{
Name: serviceAccountName,
},
Token: serviceAccountToken,
Roles: v1.AllServiceAccountRoles(),
})
}
func checkBothCertAndKeyAreSpecified() error {
@@ -96,7 +119,7 @@ func checkBothCertAndKeyAreSpecified() error {
return nil
}
func generateSelfSignedControllerCertificate() (tls.Certificate, error) {
func GenerateSelfSignedControllerCertificate() (tls.Certificate, error) {
privateKey, err := ecdsa.GenerateKey(elliptic.P384(), cryptorand.Reader)
if err != nil {
return tls.Certificate{}, err