sparkles: Add kcrypt to images (#195)

* ✨ Add kcrypt to images

This adds the dracut module and the binary to the images.

Related to https://github.com/kairos-io/kairos/issues/184

* ✨ Add Kcrypt post-install hook

Fixes https://github.com/kairos-io/kairos/issues/184

internal/agent/hooks/hook.go

@@ -12,6 +12,7 @@ var All = []Interface{
 	&RunStage{},    // Shells out to stages defined from the container image
 	&GrubOptions{}, // Set custom GRUB options
 	&BundleOption{},
+	&Kcrypt{},
 	&Lifecycle{}, // Handles poweroff/reboot by config options
 }
 

internal/agent/hooks/kcrypt.go

@@ -0,0 +1,28 @@
+package hook
+
+import (
+	"fmt"
+	"time"
+
+	config "github.com/kairos-io/kairos/pkg/config"
+	"github.com/kairos-io/kairos/pkg/utils"
+)
+
+type Kcrypt struct{}
+
+func (k Kcrypt) Run(c config.Config) error {
+	for _, p := range c.Install.Encrypt {
+		out, err := utils.SH(fmt.Sprintf("kcrypt encrypt %s", p))
+		if err != nil {
+			fmt.Printf("could not encrypt partition: %s\n", out+err.Error())
+			if c.FailOnBundleErrors {
+				return err
+			}
+			// Give time to show the error
+			time.Sleep(10 * time.Second)
+			return nil // do not error out
+		}
+	}
+
+	return nil
+}