Set default values for recovery

Otherwise we have a broken recovery if something touches the cos-layout
file

Signed-off-by: Itxaka <[email protected]>

overlay/files/system/oem/11_persistency.yaml

@@ -36,6 +36,14 @@ stages:
           /usr/share/pki/trust/anchors
           /var/lib/ca-certificates
         PERSISTENT_STATE_BIND: "true"
+    - if: '[ -f "/run/cos/recovery_mode" ]'
+      name: "Layout configuration for recovery"
+      environment_file: /run/cos/cos-layout.env
+      # We omit COS_PERSISTENT here and have no RW_PATHS, or BINDS
+      # RW_PATHS will be set to the default, which works for recovery
+      environment:
+        VOLUMES: "LABEL=COS_OEM:/oem"
+        OVERLAY: "tmpfs:25%"
     - if: '[ -r /run/cos/custom-layout.env ] && [ ! -f "/run/cos/recovery_mode" ] && [ ! -f /run/cos/live_mode ]'
       name: "append custom bind and ephemeral mounts to /run/cos/cos-layout.env"
       commands: