partition testing for an A/B update mechanism

Vasu77df · Oct 5, 2023 · 3377981 · 3377981
1 parent 728a7b9
commit 3377981
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Showing 8 changed files with 31 additions and 13 deletions.
diff --git a/mkosi.conf b/mkosi.conf
@@ -3,7 +3,7 @@ Distribution=ubuntu
 Architecture=x86-64
 
 [Output]
-Format=uki
+Format=disk
 OutputDirectory=./build_output
 SplitArtifacts=yes
 
@@ -67,7 +67,7 @@ Bootloader=systemd-boot
 Autologin=no
 RootPassword=./rootpw
 Ssh=yes
-KernelCommandLine=systemd.volatile=overlay
+KernelCommandLine=root=/dev/disk/by-partlabel/root_a systemd.volatile=overlay 
 
 [Validation]
 Checksum=yes

diff --git a/mkosi.extra/opt/repart.d/10-root.conf b/mkosi.extra/opt/repart.d/10-root.conf
diff --git a/mkosi.repart/10-root.conf → mkosi.extra/opt/repart.d/10-roota.conf b/mkosi.repart/10-root.conf → mkosi.extra/opt/repart.d/10-roota.conf
@@ -3,5 +3,6 @@ Type=root
 ExcludeFiles=/efi
 Format=squashfs
 CopyFiles=/
-# Encrypt=key-file
-Minimize=best
+SizeMinBytes=2560M
+SplitName=%t_a
+Label=root_a
diff --git a/mkosi.extra/opt/repart.d/10-rootb.conf b/mkosi.extra/opt/repart.d/10-rootb.conf
@@ -0,0 +1,8 @@
+[Partition]
+Type=root
+ExcludeFiles=/efi
+Format=squashfs
+CopyFiles=/
+SizeMinBytes=2560M
+SplitName=%t_b
+Label=root_b
diff --git a/mkosi.extra/opt/repart.d/20-data.conf b/mkosi.extra/opt/repart.d/20-data.conf
@@ -1,5 +1,3 @@
-20-data.conf
-
 [Partition]
 Type=linux-generic
 Format=ext4
diff --git a/mkosi.repart/00-esp.conf b/mkosi.repart/00-esp.conf
@@ -2,6 +2,6 @@
 Type=esp
 Format=vfat
 CopyFiles=/efi:/
-SizeMinBytes=512M
-SizeMaxBytes=512M
+SizeMinBytes=2G
+SizeMaxBytes=2G
 
diff --git a/mkosi.repart/10-roota.conf b/mkosi.repart/10-roota.conf
@@ -0,0 +1,8 @@
+[Partition]
+Type=root
+ExcludeFiles=/efi
+Format=squashfs
+CopyFiles=/
+SizeMinBytes=2560M
+SplitName=%t_a
+Label=root_a
diff --git a/mkosi.repart/10-rootb.conf b/mkosi.repart/10-rootb.conf
@@ -0,0 +1,8 @@
+[Partition]
+Type=root
+ExcludeFiles=/efi
+Format=squashfs
+CopyFiles=/
+SizeMinBytes=2560M
+SplitName=%t_b
+Label=root_b