🐛 Setup / as shared mount on alpine (#445)

* 🐛 Setup / as shared mount on alpine Since this is not handled in the boot process, we do this in our devoted file to setup the rootfs configuration Signed-off-by: Ettore Di Giacinto <[email protected]> * 🐧 Correctly detect alpine flavors Signed-off-by: Ettore Di Giacinto <[email protected]> Signed-off-by: Ettore Di Giacinto <[email protected]>
kairos-io · Nov 25, 2022 · 2f61a90 · 2f61a90
1 parent 35f09dc
commit 2f61a90
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diff --git a/overlay/files-alpine/system/oem/23_rootfs.yaml b/overlay/files-alpine/system/oem/23_rootfs.yaml
@@ -3,3 +3,4 @@ stages:
   boot.before:
     - commands:
       - mount -o mode=1777,nosuid,nodev -t tmpfs tmpfs /tmp
+      - mount --make-rshared /
diff --git a/pkg/utils/system.go b/pkg/utils/system.go
@@ -52,7 +52,7 @@ func Flavor() string {
 
 func IsOpenRCBased() bool {
 	f := Flavor()
-	return f == "alpine" || f == "alpine-arm-rpi"
+	return strings.Contains(f, "alpine")
 }
 
 func GetInterfaceIP(in string) string {

diff --git a/tests/autoinstall_test.go b/tests/autoinstall_test.go
@@ -157,6 +157,12 @@ var _ = Describe("kairos autoinstall test", Label("autoinstall-test"), func() {
 			Expect(out).To(ContainSubstring("/var/lib/longhorn"))
 		})
 
+		It("has rootfs shared mount", func() {
+			out, err := Sudo(`cat /proc/1/mountinfo | grep ' / / '`)
+			Expect(err).ToNot(HaveOccurred(), out)
+			Expect(out).To(ContainSubstring("shared"))
+		})
+
 		It("has corresponding state", func() {
 			out, err := Sudo("kairos-agent state")
 			Expect(err).ToNot(HaveOccurred())