src/tests/lxc-test-cloneconfig

   1 #!/bin/bash
   2
   3 # lxc: linux Container library
   4
   5 # Authors:
   6 # Serge Hallyn <serge.hallyn@ubuntu.com>
   7 #
   8 # This is a test script for the lxc-user-nic program
   9
  10 # This library is free software; you can redistribute it and/or
  11 # modify it under the terms of the GNU Lesser General Public
  12 # License as published by the Free Software Foundation; either
  13 # version 2.1 of the License, or (at your option) any later version.
  14
  15 # This library is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18 # Lesser General Public License for more details.
  19
  20 # You should have received a copy of the GNU Lesser General Public
  21 # License along with this library; if not, write to the Free Software
  22 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  23
  24 set -e
  25
  26 s=`mktemp -d /tmp/lxctest-XXXXXX`
  27
  28 DONE=0
  29
  30 verify_unchanged_number() {
  31         key=$1
  32         desc=$2
  33         n1=`grep ^$key $CONTAINER_PATH/config | wc -l`
  34         n2=`grep ^$key $CONTAINER2_PATH/config | wc -l`
  35         if [ $n1 -ne $n2 ]; then
  36                 echo "Test $testnum failed"
  37                 echo "unequal number of $desc"
  38                 echo "Original has $n1, clone has $n2"
  39                 false
  40         fi
  41 }
  42
  43 cleanup() {
  44         lxc-destroy -n lxctestb || true
  45         lxc-destroy -n lxctestb2 || true
  46         rm -rf $s
  47         [ $DONE -eq 1 ] && echo "PASS" || echo "FAIL"
  48 }
  49
  50 verify_numnics() {
  51         verify_unchanged_number lxc.net.0.type "network defs"
  52 }
  53
  54 verify_hwaddr() {
  55         verify_unchanged_number lxc.net.0.hwaddr "hwaddr defs"
  56         grep ^lxc.net.0.hwaddr $CONTAINER_PATH/config | while read line; do
  57                 addr=`echo $line | awk -F= { print $2 }`
  58                 echo "looking for $addr in $CONTAINER2_PATH/config"
  59                 if grep -q $addr $CONTAINER2_PATH/config; then
  60                         echo "Test $testnum failed"
  61                         echo "hwaddr $addr was not changed"
  62                         false
  63                 fi
  64         done
  65 }
  66
  67 verify_hooks() {
  68         verify_unchanged_number lxc.hook "hooks"
  69         grep ^lxc.hook $CONTAINER_PATH/config | while read line; do
  70                 nline=${line/$CONTAINER_PATH/$CONTAINER2_PATH}
  71                 if ! grep -q "$nline" $CONTAINER2_PATH/config; then
  72                         echo "Test $testnum failed"
  73                         echo "Failed to find $nline in:"
  74                         cat $CONTAINER2_PATH/config
  75                 fi
  76         done
  77 }
  78
  79 trap cleanup EXIT
  80
  81 # Simple nic
  82 cat > $s/1.conf << EOF
  83 lxc.net.0.type = veth
  84 lxc.net.0.link = lxcbr0
  85 EOF
  86
  87 # Simple nic with hwaddr; verify hwaddr changed
  88 cat > $s/2.conf << EOF
  89 lxc.net.0.type = veth
  90 lxc.net.0.link = lxcbr0
  91 EOF
  92
  93 # No nics, but nic from include
  94 cat > $s/1.include << EOF
  95 lxc.net.0.type = veth
  96 lxc.net.0.link = lxcbr0
  97 lxc.hook.start = /bin/bash
  98 EOF
  99 cat > $s/3.conf << EOF
 100 lxc.include = $s/1.include
 101 EOF
 102
 103 # No nics, one clone hook in /bin
 104 cat > $s/4.conf << EOF
 105 lxc.hook.start = /bin/bash
 106 EOF
 107
 108 # Figure out container dirname
 109 # We need this in 5.conf
 110 lxc-destroy -n lxctestb || true
 111 lxc-create -t busybox -n lxctestb -B dir
 112 CONTAINER_PATH=$(dirname $(lxc-info -n lxctestb -c lxc.rootfs.path -H) | sed 's/dir://')
 113 lxc-destroy -n lxctestb
 114
 115 # No nics, one clone hook in $container
 116 cat > $s/5.conf << EOF
 117 lxc.hook.start = $CONTAINER_PATH/x1
 118 EOF
 119
 120 CONTAINER2_PATH="${CONTAINER_PATH}2"
 121
 122 testnum=1
 123 for f in $s/*.conf; do
 124         echo "Test $testnum starting ($f)"
 125         lxc-create -t busybox -f $f -n lxctestb
 126         touch $CONTAINER_PATH/x1
 127         lxc-copy -s -n lxctestb -N lxctestb2
 128         # verify that # nics did not change
 129         verify_numnics
 130         # verify hwaddr, if any changed
 131         verify_hwaddr
 132         # verify hooks are correct
 133         verify_hooks
 134         lxc-destroy -n lxctestb2 || true
 135         lxc-destroy -n lxctestb || true
 136         testnum=$((testnum+1))
 137 done
 138
 139 DONE=1