Introduce service accounts and bootstrap tokens (#22)

internal/command/get/bootstrap_token.go

@@ -0,0 +1,53 @@
+package get
+
+import (
+	"fmt"
+	"github.com/cirruslabs/orchard/internal/bootstraptoken"
+	"github.com/cirruslabs/orchard/internal/config"
+	"github.com/cirruslabs/orchard/pkg/client"
+	"github.com/spf13/cobra"
+)
+
+func newGetBootstrapTokenCommand() *cobra.Command {
+	command := &cobra.Command{
+		Use:   "bootstrap-token",
+		Short: "Retrieve a bootstrap token for the specified service account",
+		RunE:  runGetBootstrapToken,
+		Args:  cobra.ExactArgs(1),
+	}
+
+	return command
+}
+
+func runGetBootstrapToken(cmd *cobra.Command, args []string) error {
+	name := args[0]
+
+	configHandle, err := config.NewHandle()
+	if err != nil {
+		return err
+	}
+
+	defaultContext, err := configHandle.DefaultContext()
+	if err != nil {
+		return err
+	}
+
+	client, err := client.New()
+	if err != nil {
+		return err
+	}
+
+	serviceAccount, err := client.ServiceAccounts().Get(cmd.Context(), name)
+	if err != nil {
+		return err
+	}
+
+	bootstrapToken, err := bootstraptoken.New(defaultContext.Certificate, serviceAccount.Name, serviceAccount.Token)
+	if err != nil {
+		return err
+	}
+
+	fmt.Println(bootstrapToken)
+
+	return nil
+}