test/TEST-14-MACHINE-ID/test.sh

   1 #!/bin/bash
   2 set -e
   3 TEST_DESCRIPTION="/etc/machine-id testing"
   4 TEST_NO_NSPAWN=1
   5
   6 . $TEST_BASE_DIR/test-functions
   7
   8 test_setup() {
   9     create_empty_image_rootdir
  10
  11     # Create what will eventually be our root filesystem onto an overlay
  12     (
  13         LOG_LEVEL=5
  14         eval $(udevadm info --export --query=env --name=${LOOPDEV}p2)
  15
  16         setup_basic_environment
  17         mask_supporting_services
  18         printf "556f48e837bc4424a710fa2e2c9d3e3c\ne3d\n" >$initdir/etc/machine-id
  19         dracut_install mount cmp
  20
  21         # setup the testsuite service
  22         cat >$initdir/etc/systemd/system/testsuite.service <<EOF
  23 [Unit]
  24 Description=Testsuite service
  25
  26 [Service]
  27 ExecStart=/bin/sh -e -x -c '/test-machine-id-setup.sh; systemctl --state=failed --no-legend --no-pager > /failed ; echo OK > /testok'
  28 Type=oneshot
  29 EOF
  30
  31 cat >$initdir/test-machine-id-setup.sh <<'EOF'
  32 #!/bin/bash
  33
  34 set -e
  35 set -x
  36
  37 function setup_root {
  38     local _root="$1"
  39     mkdir -p "$_root"
  40     mount -t tmpfs tmpfs "$_root"
  41     mkdir -p "$_root/etc" "$_root/run"
  42 }
  43
  44 function check {
  45     printf "Expected\n"
  46     cat "$1"
  47     printf "\nGot\n"
  48     cat "$2"
  49     cmp "$1" "$2"
  50 }
  51
  52 r="$(pwd)/overwrite-broken-machine-id"
  53 setup_root "$r"
  54 systemd-machine-id-setup --print --root "$r"
  55 echo abc >>"$r/etc/machine-id"
  56 id=$(systemd-machine-id-setup --print --root "$r")
  57 echo $id >expected
  58 check expected "$r/etc/machine-id"
  59
  60 r="$(pwd)/transient-machine-id"
  61 setup_root "$r"
  62 systemd-machine-id-setup --print --root "$r"
  63 echo abc >>"$r/etc/machine-id"
  64 mount -o remount,ro "$r"
  65 mount -t tmpfs tmpfs "$r/run"
  66 transient_id=$(systemd-machine-id-setup --print --root "$r")
  67 mount -o remount,rw "$r"
  68 commited_id=$(systemd-machine-id-setup --print --commit --root "$r")
  69 [[ "$transient_id" = "$commited_id" ]]
  70 check "$r/etc/machine-id" "$r/run/machine-id"
  71 EOF
  72 chmod +x $initdir/test-machine-id-setup.sh
  73
  74         setup_testsuite
  75     )
  76 }
  77
  78 do_test "$@"