Ensure we rebuild dracut when changing /etc/fstab

Summary: Dracut gets a copy of `/etc/fstab` to know what disks to mount before changeroot, so we need to make sure that any change (like reconfiguring the mount options) is reflected into dracut's copy

Differential Revision: D57394916

fbshipit-source-id: 04b745c47bb5098d6856ab0780ec2bc11e9fd7ad

cookbooks/fb_dracut/recipes/default.rb

@@ -43,12 +43,13 @@
   not_if { node.container? || node.quiescent? || node['fb_dracut']['disable'] }
   command 'dracut --force'
   action :nothing
+  subscribes :run, 'template[/etc/sysctl.conf]'
+  subscribes :run, 'package[e2fsprogs]'
+  subscribes :run, 'template[/etc/e2fsck.conf]'
+  subscribes :run, 'template[/etc/modprobe.d/fb_modprobe.conf]'
+  subscribes :run, 'template[/etc/fstab]'
   if node.systemd?
     subscribes :run, 'package[systemd packages]'
     subscribes :run, 'template[/etc/systemd/system.conf]'
-    subscribes :run, 'template[/etc/sysctl.conf]'
-    subscribes :run, 'package[e2fsprogs]'
-    subscribes :run, 'template[/etc/e2fsck.conf]'
-    subscribes :run, 'template[/etc/modprobe.d/fb_modprobe.conf]'
   end
 end