test/units/TEST-87-AUX-UTILS-VM.modules-load.sh

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -eux
   4 set -o pipefail
   5
   6 MODULES_LOAD_BIN="/usr/lib/systemd/systemd-modules-load"
   7 CONFIG_FILE="/run/modules-load.d/99-test.conf"
   8
   9 at_exit() {
  10     rm -rfv "${CONFIG_FILE:?}"
  11 }
  12
  13 (! systemd-detect-virt -cq)
  14
  15 trap at_exit EXIT
  16
  17 ORIG_MODULES_LOAD_CONFIG="$(systemd-analyze cat-config modules-load.d)"
  18
  19 # Check if we have required kernel modules
  20 modprobe --all --resolve-alias dummy
  21
  22 mkdir -p /run/modules-load.d/
  23
  24 "$MODULES_LOAD_BIN"
  25 "$MODULES_LOAD_BIN" --help
  26 "$MODULES_LOAD_BIN" --version
  27
  28 # Explicit config file
  29 modprobe -v --all --remove dummy
  30 printf "dummy" >"$CONFIG_FILE"
  31 "$MODULES_LOAD_BIN" "$CONFIG_FILE" |& tee /tmp/out.log
  32 grep -E "Inserted module .*dummy" /tmp/out.log
  33
  34 # Implicit config file
  35 modprobe -v --all --remove dummy
  36 printf "dummy" >"$CONFIG_FILE"
  37 "$MODULES_LOAD_BIN" |& tee /tmp/out.log
  38 grep -E "Inserted module .*dummy" /tmp/out.log
  39
  40 # Valid & invalid data mixed together
  41 modprobe -v --all --remove dummy
  42 cat >"$CONFIG_FILE" <<EOF
  43
  44 dummy
  45 dummy
  46 dummy
  47     dummy
  48 dummy
  49     \\n\n\n\\\\\\
  50
  51 dumm!@@123##2455
  52 # This is a comment
  53 $(printf "%.0sx" {0..4096})
  54 dummy
  55 dummy
  56 foo-bar-baz
  57 1
  58 "
  59 '
  60 EOF
  61 "$MODULES_LOAD_BIN" |& tee /tmp/out.log
  62 grep -E "^Inserted module .*dummy" /tmp/out.log
  63 grep -E "^Failed to find module .*foo-bar-baz" /tmp/out.log
  64 (! grep -E "This is a comment" /tmp/out.log)
  65 # Each module should be loaded only once, even if specified multiple times
  66 [[ "$(grep -Ec "^Inserted module" /tmp/out.log)" -eq 1 ]]
  67 [[ "$(grep -Ec "^Failed to find module" /tmp/out.log)" -eq 7 ]]
  68
  69 # Command line arguments
  70 modprobe -v --all --remove dummy
  71 # Make sure we have no config files left over that might interfere with
  72 # following tests
  73 rm -fv "$CONFIG_FILE"
  74 [[ "$ORIG_MODULES_LOAD_CONFIG" == "$(systemd-analyze cat-config modules-load.d)" ]]
  75 CMDLINE="ro root= modules_load= modules_load=, / = modules_load=foo-bar-baz,dummy modules_load=dummy,dummy,dummy"
  76 SYSTEMD_PROC_CMDLINE="$CMDLINE" "$MODULES_LOAD_BIN" |& tee /tmp/out.log
  77 grep -E "^Inserted module .*dummy" /tmp/out.log
  78 grep -E "^Failed to find module .*foo-bar-baz" /tmp/out.log
  79 # Each module should be loaded only once, even if specified multiple times
  80 [[ "$(grep -Ec "^Inserted module" /tmp/out.log)" -eq 1 ]]
  81
  82 (! "$MODULES_LOAD_BIN" --nope)
  83 (! "$MODULES_LOAD_BIN" /foo/bar/baz)