tests/lvmroot.sh

   1 #!/bin/sh
   2 . ./setup-test.sh
   3
   4 runtest_run() {
   5                         # parse rootdev from kernel commandline if it begins with /
   6                         case "$ROOT" in
   7                                 /*)
   8
   9                                 # rewrite:
  10                                 # /dev/mapper/sys-rootfs -> /dev/sys/rootfs
  11                                 # /dev/mapper/blodnatt-blah--bleh -> /dev/blodnatt/blah-bleh
  12                                 # /dev/mapper/vg--meaw-root -> /dev/vg-meaw/root
  13                                 case "$ROOT" in
  14                                         /dev/mapper/*-*)
  15                                                 # change "--" to / (as "/" is impossible in LV name)
  16                                                 local dev=$(awk -vdev="${ROOT#/dev/mapper/}" 'BEGIN{gsub(/--/, "/", dev); print dev}')
  17                                                 local VG=$(awk -vdev="$dev" 'BEGIN{split(dev, v, "-"); gsub("/", "-", v[1]); print v[1]}')
  18                                                 local LV=$(awk -vdev="$dev" 'BEGIN{split(dev, v, "-"); gsub("/", "-", v[2]); print v[2]}')
  19                                                 ROOT=/dev/$VG/$LV
  20                                         ;;
  21                                 esac
  22
  23                                 if [ "$ROOT" != "$ROOTDEV" ]; then
  24                                         ROOTDEV=$ROOT
  25
  26                                         echo "LVM: Using 'root=$ROOTDEV' from kernel commandline"
  27                                         local tmp=${ROOTDEV#/dev/}
  28                                         if [ "$tmp" != "$ROOTDEV" ]; then
  29                                                 ROOTVG=${tmp%/*}
  30                                                 echo "LVM: Using Volume Group '$ROOTVG' for rootfs"
  31                                         fi
  32                                 fi
  33                                 ;;
  34                         esac
  35 }
  36
  37 runtest ROOT=/dev/mapper/sys-rootfs OK=/dev/sys/rootfs <<'EOF'
  38 LVM: Using 'root=/dev/sys/rootfs' from kernel commandline
  39 LVM: Using Volume Group 'sys' for rootfs
  40 EOF
  41
  42 runtest ROOT=/dev/mapper/blodnatt-blah--bleh OK=/dev/blodnatt/blah-bleh <<'EOF'
  43 LVM: Using 'root=/dev/blodnatt/blah-bleh' from kernel commandline
  44 LVM: Using Volume Group 'blodnatt' for rootfs
  45 EOF
  46
  47 runtest ROOT=/dev/mapper/blodnatt-blah--bleh--blah OK=/dev/blodnatt/blah-bleh-blah <<'EOF'
  48 LVM: Using 'root=/dev/blodnatt/blah-bleh-blah' from kernel commandline
  49 LVM: Using Volume Group 'blodnatt' for rootfs
  50 EOF
  51
  52 runtest ROOT=/dev/mapper/vg--meaw-root OK=/dev/vg-meaw/root <<'EOF'
  53 LVM: Using 'root=/dev/vg-meaw/root' from kernel commandline
  54 LVM: Using Volume Group 'vg-meaw' for rootfs
  55 EOF
  56
  57 echo "OK: $ok; FAIL: $fail"