3 # lxc: linux Container library
6 # Serge Hallyn <serge.hallyn@ubuntu.com>
8 # This is a test script for unprivileged containers
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.
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.
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
24 # This test assumes an Ubuntu host
26 if [ $
(id
-u) -ne 0 ]; then
27 echo "ERROR: Must run as root."
31 # Test if we're using an overlayfs module that handles symlinks correctly. If
32 # not, we skip these tests since overlay clones will not work correctly.
33 if modprobe
-q overlayfs
; then
36 MOUNTDIR
="${TMPDIR}/ovl_symlink_test"
40 mount
-t tmpfs none
${MOUNTDIR}
42 mkdir
"${MOUNTDIR}/lowerdir" "${MOUNTDIR}/upperdir" "${MOUNTDIR}/overlayfs"
43 mount
-t overlayfs
-o lowerdir
="${MOUNTDIR}/lowerdir",upperdir="${MOUNTDIR}/upperdir" none "${MOUNTDIR}/overlayfs"
45 CORRECT_LINK_TARGET
="${MOUNTDIR}/overlayfs/dummy_file"
46 exec 9> "${CORRECT_LINK_TARGET}"
48 DETECTED_LINK_TARGET
=$
(readlink
-q /proc
/$$
/fd
/9)
53 umount
"${MOUNTDIR}/overlayfs"
58 # This overlay module does not correctly handle symlinks, so skip the
60 if [ "${DETECTED_LINK_TARGET}" != "${CORRECT_LINK_TARGET}" ]; then
65 which newuidmap
>/dev
/null
2>&1 ||
{ echo "'newuidmap' command is missing" >&2; exit 1; }
68 KNOWN_RELEASES
="precise trusty xenial yakkety zesty"
72 run_cmd lxc-stop
-n c2
-k || true
73 run_cmd lxc-stop
-n c1
-k || true
74 pkill
-u $
(id
-u $TUSER) -9 || true
76 sed -i '/lxcunpriv/d' /run
/lxc
/nics
/etc
/lxc
/lxc-usernet
77 sed -i '/^lxcunpriv:/d' /etc
/subuid
/etc
/subgid
79 rm -Rf $HDIR /run
/user
/$
(id
-u $TUSER)
83 if [ $DONE -eq 0 ]; then
92 env http_proxy
=${http_proxy:-} https_proxy
=${https_proxy:-} \
93 XDG_RUNTIME_DIR
=/run
/user
/$
(id
-u $TUSER) $
*
101 if type dpkg
>/dev
/null
2>&1; then
102 ARCH
=$
(dpkg
--print-architecture)
105 trap cleanup EXIT SIGHUP SIGINT SIGTERM
108 deluser
$TUSER && rm -Rf $HDIR || true
112 echo "$TUSER veth lxcbr0 2" >> /etc
/lxc
/lxc-usernet
113 sed -i '/^lxcunpriv:/d' /etc
/subuid
/etc
/subgid
115 usermod
-v 910000-919999 -w 910000-919999 $TUSER
117 mkdir
-p $HDIR/.config
/lxc
/
118 cat > $HDIR/.config
/lxc
/default.conf
<< EOF
119 lxc.network.type = veth
120 lxc.network.link = lxcbr0
121 lxc.id_map = u 0 910000 9999
122 lxc.id_map = g 0 910000 9999
124 chown
-R $TUSER: $HDIR
126 mkdir
-p /run
/user
/$
(id
-u $TUSER)
127 chown
-R $TUSER: /run
/user
/$
(id
-u $TUSER)
131 if which cgm
>/dev
/null
2>&1; then
132 cgm create all
$TUSER
133 cgm chown all
$TUSER $
(id
-u $TUSER) $
(id
-g $TUSER)
134 cgm movepid all
$TUSER $$
135 elif [ -e /sys
/fs
/cgroup
/cgmanager
/sock
]; then
136 for d
in $
(cut
-d : -f 2 /proc
/self
/cgroup
); do
137 dbus-send
--print-reply --address=unix
:path
=/sys
/fs
/cgroup
/cgmanager
/sock \
138 --type=method_call
/org
/linuxcontainers
/cgmanager org.linuxcontainers.cgmanager0_0.Create \
139 string
:$d string
:$TUSER >/dev
/null
141 dbus-send
--print-reply --address=unix
:path
=/sys
/fs
/cgroup
/cgmanager
/sock \
142 --type=method_call
/org
/linuxcontainers
/cgmanager org.linuxcontainers.cgmanager0_0.Chown \
143 string
:$d string
:$TUSER int32
:$
(id
-u $TUSER) int32
:$
(id
-g $TUSER) >/dev
/null
145 dbus-send
--print-reply --address=unix
:path
=/sys
/fs
/cgroup
/cgmanager
/sock \
146 --type=method_call
/org
/linuxcontainers
/cgmanager org.linuxcontainers.cgmanager0_0.MovePid \
147 string
:$d string
:$TUSER int32
:$$
>/dev
/null
150 for d
in /sys
/fs
/cgroup
/*; do
151 [ -f $d/cgroup.clone_children
] && echo 1 > $d/cgroup.clone_children
152 [ ! -d $d/lxctest
] && mkdir
$d/lxctest
153 chown
-R $TUSER: $d/lxctest
154 echo $$
> $d/lxctest
/tasks
158 # default release is trusty, or the systems release if recognized
160 if [ -f /etc
/lsb-release
]; then
162 rels
=$
(ubuntu-distro-info
--supported 2>/dev
/null
) ||
163 rels
="$KNOWN_RELEASES"
165 [ "$DISTRIB_CODENAME" = "$r" ] && release
="$r"
169 # Copy the download template cache if available
170 run_cmd mkdir
-p $HDIR/.cache
/lxc
171 [ -d /var
/cache
/lxc
/download
] && \
172 cp -R /var
/cache
/lxc
/download
$HDIR/.cache
/lxc
&& \
173 chown
-R $TUSER: $HDIR/.cache
/lxc
175 run_cmd lxc-create
-t download
-n c1
-- -d ubuntu
-r $release -a $ARCH
177 # Make sure we can start it - twice
179 for count
in `seq 1 2`; do
180 run_cmd lxc-start
-n c1
-d
182 p1
=$
(run_cmd lxc-info
-n c1
-p -H)
183 [ "$p1" != "-1" ] ||
{ echo "Failed to start container c1 (run $count)"; false
; }
185 run_cmd lxc-info
-n c1
186 run_cmd lxc-attach
-n c1
-- /bin
/true
188 run_cmd lxc-stop
-n c1
-k
191 run_cmd lxc-copy
-s -n c1
-N c2
192 run_cmd lxc-start
-n c2
-d
193 p1
=$
(run_cmd lxc-info
-n c2
-p -H)
194 [ "$p1" != "-1" ] ||
{ echo "Failed to start container c2"; false
; }
196 run_cmd lxc-stop
-n c2
-k
198 if which cgm
>/dev
/null
2>&1; then
199 echo "Testing containers under different cgroups per subsystem"
200 run_cmd cgm create freezer x
1/x2
201 cgm movepid freezer x1 $$
202 run_cmd lxc-start
-n c1
-d
203 p1
=$
(run_cmd lxc-info
-n c1
-p -H)
204 [ "$p1" != "-1" ] ||
{ echo "Failed to start container c1"; false
; }
205 run_cmd lxc-info
-n c1
206 run_cmd lxc-attach
-n c1
-- /bin
/true
207 run_cmd lxc-cgroup
-n c1 freezer.state
209 echo "Testing lxc-attach and lxc-cgroup from different cgroup"
210 cgm movepid freezer x2 $$
211 run_cmd lxc-attach
-n c1
-- /bin
/true
212 run_cmd lxc-cgroup
-n c1 freezer.state
213 run_cmd lxc-cgroup
-n c1 memory.limit_in_bytes