test/test-fstab-generator.sh

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -e
   4 shopt -s nullglob
   5 shopt -s globstar
   6
   7 if [[ -n "$1" ]]; then
   8     generator=$1
   9 elif [[ -x /usr/lib/systemd/system-generators/systemd-fstab-generator ]]; then
  10     generator=/usr/lib/systemd/system-generators/systemd-fstab-generator
  11 elif [[ -x /lib/systemd/system-generators/systemd-fstab-generator ]]; then
  12     generator=/lib/systemd/system-generators/systemd-fstab-generator
  13 else
  14     exit 1
  15 fi
  16
  17 src="$(dirname "$0")/testdata/test-fstab-generator"
  18
  19 # fsck(8) is located in /usr/sbin on Debian
  20 PATH=$PATH:/usr/sbin
  21
  22 # systemd-pcrfs@.service could be enabled or not, depending on the host state
  23 # of the host system. Override the measurement to avoid the issue.
  24 export SYSTEMD_FORCE_MEASURE=0
  25
  26 for f in "$src"/test-*.input; do
  27     echo "*** Running $f"
  28
  29     (
  30         out=$(mktemp --tmpdir --directory "test-fstab-generator.XXXXXXXXXX")
  31         # shellcheck disable=SC2064
  32         trap "rm -rf '$out'" EXIT INT QUIT PIPE
  33
  34         exp="${f%.input}.expected"
  35         if [[ "${f##*/}" =~ swap ]] && systemd-detect-virt --container >/dev/null; then
  36             exp="${exp}.container"
  37         fi
  38
  39         if [[ "${f##*/}" =~ \.fstab\.input ]]; then
  40             SYSTEMD_LOG_LEVEL=debug SYSTEMD_IN_INITRD=yes SYSTEMD_SYSFS_CHECK=no SYSTEMD_PROC_CMDLINE="fstab=yes root=fstab" SYSTEMD_FSTAB="$f" SYSTEMD_SYSROOT_FSTAB="/dev/null" $generator "$out" "$out" "$out"
  41         else
  42             SYSTEMD_LOG_LEVEL=debug SYSTEMD_IN_INITRD=yes SYSTEMD_SYSFS_CHECK=no SYSTEMD_PROC_CMDLINE="fstab=no $(cat "$f")" $generator "$out" "$out" "$out"
  43         fi
  44
  45         # The option x-systemd.growfs creates symlink to system's systemd-growfs@.service in .mount.wants directory.
  46         # The system that the test is currently running on may not have or may have outdated unit file.
  47         # Let's replace the symlink with an empty file.
  48         for i in "$out"/*/systemd-growfs@*.service; do
  49             [[ -L "$i" ]] || continue
  50             rm "$i"
  51             touch "$i"
  52         done
  53
  54         # For split-usr system
  55         for i in "$out"/systemd-*.service; do
  56             sed -i -e 's:ExecStart=/lib/systemd/:ExecStart=/usr/lib/systemd/:' "$i"
  57         done
  58
  59         if [[ "${f##*/}" =~ \.fstab\.input ]]; then
  60             for i in "$out"/*.{automount,mount,swap}; do
  61                 sed -i -e 's:SourcePath=.*$:SourcePath=/etc/fstab:' "$i"
  62             done
  63         fi
  64
  65         # .deb packager seems to dislike files named with backslash. So, as a workaround, we store files
  66         # without backslash in .expected.
  67         for i in "$out"/**/*\\*.{mount,swap}; do
  68             k="${i//\\/}"
  69             if [[ "$i" != "$k" ]]; then
  70                 if [[ -f "$i" ]]; then
  71                     mv "$i" "$k"
  72                 elif [[ -L "$i" ]]; then
  73                     dest=$(readlink "$i")
  74                     rm "$i"
  75                     ln -s "${dest//\\/}" "$k"
  76                 fi
  77             fi
  78         done
  79
  80         # We store empty files rather than dead symlinks, so that they don't get pruned when packaged up, so compare
  81         # the list of filenames rather than their content
  82         if ! diff -u <(find "$out" -printf '%P\n' | sort) <(find "$exp" -printf '%P\n' | sort); then
  83             echo "**** Unexpected output for $f"
  84             exit 1
  85         fi
  86
  87         # Check the main units.
  88         if ! diff -u "$out" "$exp"; then
  89             echo "**** Unexpected output for $f"
  90             exit 1
  91         fi
  92
  93         # Also check drop-ins.
  94         for i in "$out"/*; do
  95             [[ -d "$i" ]] || continue
  96
  97             dir="${i##*/}"
  98
  99             for j in "$i"/*; do
 100                 fname="${j##*/}"
 101                 expf="$exp/$dir/$fname"
 102
 103                 if [[ -L "$j" && ! -e "$j" ]]; then
 104                     # For dead symlink, we store an empty file.
 105                     if [[ ! -e "$expf" || -n "$(cat "$expf")" ]]; then
 106                         echo "**** Unexpected symlink $j created by $f"
 107                         exit 1
 108                     fi
 109                     continue
 110                 fi
 111
 112                 if ! diff -u "$j" "$expf"; then
 113                     echo "**** Unexpected output in $j for $f"
 114                     exit 1
 115                 fi
 116             done
 117         done
 118     ) || exit 1
 119 done