Mount OEM during kcrypt hook (#18)

internal/agent/hooks/kcrypt.go

@@ -2,6 +2,7 @@ package hook
 
 import (
 	"fmt"
+	"github.com/kairos-io/kairos-sdk/machine"
 	"time"
 
 	"github.com/kairos-io/kairos-sdk/utils"
@@ -16,6 +17,12 @@ func (k Kcrypt) Run(c config.Config) error {
 		return nil
 	}
 
+	// Config passed during install ends up here, so we need to read it
+	_ = machine.Mount("COS_OEM", "/oem")
+	defer func() {
+		_ = machine.Umount("/oem") //nolint:errcheck
+	}()
+
 	for _, p := range c.Install.Encrypt {
 		out, err := utils.SH(fmt.Sprintf("kcrypt encrypt %s", p))
 		if err != nil {
@@ -27,7 +34,6 @@ func (k Kcrypt) Run(c config.Config) error {
 			time.Sleep(10 * time.Second)
 			return nil // do not error out
 		}
-
 	}
 
 	return nil