From 07d524e484dbcb32fa27e6eeb67037e76223e5eb Mon Sep 17 00:00:00 2001
From: Ettore Di Giacinto <mudler@users.noreply.github.com>
Date: Sun, 23 Oct 2022 20:22:32 +0200
Subject: [PATCH] sparkles: state api sdk (#262)

* :sparkles: Add state api

This is related to https://github.com/kairos-io/kairos/issues/34.

Starts to unify the API to retrieve the state in the sdk to have a common place to query system status information.

* :robot: Add test

* Update go.mod

* :gear: Fine-tune detection of partitions

* :robot: Add more fine-grained tests

* :art: Add /dev/ to partition name

* :robot: Fixup tests

* :gear: Remount accessors

* :sparkles: Add state partition to cloud-init paths

* :memo: Upper case Kairos in motd

* :art: Add mounts sdk

* :art: Set grub options via SDK

* :art: Make it more idiomatic
---
 pkg/machine/partitions.go | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/pkg/machine/partitions.go b/pkg/machine/partitions.go
index b75d0ad..558cd6a 100644
--- a/pkg/machine/partitions.go
+++ b/pkg/machine/partitions.go
@@ -8,8 +8,20 @@ import (
 	"github.com/kairos-io/kairos/pkg/utils"
 )
 
-func Umount(path string) {
-	utils.SH(fmt.Sprintf("umount %s", path)) //nolint:errcheck
+func Umount(path string) error {
+	out, err := utils.SH(fmt.Sprintf("umount %s", path))
+	if err != nil {
+		return fmt.Errorf("failed umounting: %s: %w", out, err)
+	}
+	return nil
+}
+
+func Remount(opt, path string) error {
+	out, err := utils.SH(fmt.Sprintf("mount -o %s,remount %s", opt, path))
+	if err != nil {
+		return fmt.Errorf("failed umounting: %s: %w", out, err)
+	}
+	return nil
 }
 
 func Mount(label, mountpoint string) error {