From 8c2a9de94b179c01fbb40324a5c06101f0713e9c Mon Sep 17 00:00:00 2001 From: Joey Hess Date: Mon, 7 Jul 2014 02:58:34 -0400 Subject: propellor spin --- src/Propellor/Property/Grub.hs | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/Propellor/Property/Grub.hs (limited to 'src/Propellor/Property/Grub.hs') diff --git a/src/Propellor/Property/Grub.hs b/src/Propellor/Property/Grub.hs new file mode 100644 index 00000000..96b1e5bf --- /dev/null +++ b/src/Propellor/Property/Grub.hs @@ -0,0 +1,37 @@ +module Propellor.Property.Grub where + +import Propellor +import qualified Propellor.Property.File as File +import qualified Propellor.Property.Apt as Apt +import Utility.Applicative + +-- | Eg, hd0,0 or xen/xvda1 +type GrubDevice = String + +-- | Use PV-grub chaining to boot +-- +-- Useful when the VPS's pv-grub is too old to boot a modern kernel image. +-- +-- http://notes.pault.ag/linode-pv-grub-chainning/ +-- +-- The rootdev should be in the form "hd0", while the bootdev is in the form +-- "xen/xvda". +chainPVGrub :: GrubDevice -> GrubDevice -> Property +chainPVGrub rootdev bootdev = combineProperties desc + [ "/boot/grub/menu.lst" `File.hasContent` + [ "default 1" + , "timeout 30" + , "" + , "title grub-xen shim" + , "root (" ++ rootdev ++ ")" + , "kernel /boot/xen-shim" + , "boot" + ] + , "/boot/load.cf" `File.hasContent` + [ "configfile (" ++ bootdev ++ ")/boot/grub/grub.cfg" ] + , Apt.installed ["grub-xen"] + , flagFile (scriptProperty ["update-grub; grub-mkimage --prefix '(" ++ bootdev ++ ")/boot/grub' -c /boot/load.cf -O x86_64-xen /usr/lib/grub/x86_64-xen/*.mod > /boot/xen-shim"]) "/boot/xen-shim" + `describe` "/boot-xen-shim" + ] + where + desc = "chain PV-grub" -- cgit v1.2.3