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contrib/init: unshare mount namespace for inits 

* openrc
* sysvinit-debian
* upstart

Signed-off-by: Vincent Batts <vbatts@redhat.com>
This commit is contained in:
Vincent Batts 2015-04-23 08:21:39 -04:00
parent 975e668722
commit b6569b6b82
3 changed files with 9 additions and 6 deletions
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6
contrib/init/openrc/docker.initd
View File

@ -7,6 +7,7 @@ DOCKER_LOGFILE=${DOCKER_LOGFILE:-/var/log/${SVCNAME}.log}
DOCKER_PIDFILE=${DOCKER_PIDFILE:-/run/${SVCNAME}.pid} DOCKER_PIDFILE=${DOCKER_PIDFILE:-/run/${SVCNAME}.pid}
DOCKER_BINARY=${DOCKER_BINARY:-/usr/bin/docker} DOCKER_BINARY=${DOCKER_BINARY:-/usr/bin/docker}
DOCKER_OPTS=${DOCKER_OPTS:-} DOCKER_OPTS=${DOCKER_OPTS:-}
UNSHARE_BINARY=${UNSHARE_BINARY:-/usr/bin/unshare}
start() { start() {
checkpath -f -m 0644 -o root:docker "$DOCKER_LOGFILE" checkpath -f -m 0644 -o root:docker "$DOCKER_LOGFILE"
@ -16,11 +17,12 @@ start() {
ebegin "Starting docker daemon" ebegin "Starting docker daemon"
start-stop-daemon --start --background \ start-stop-daemon --start --background \
--exec "$DOCKER_BINARY" \ --exec "$UNSHARE_BINARY" \
--pidfile "$DOCKER_PIDFILE" \ --pidfile "$DOCKER_PIDFILE" \
--stdout "$DOCKER_LOGFILE" \ --stdout "$DOCKER_LOGFILE" \
--stderr "$DOCKER_LOGFILE" \ --stderr "$DOCKER_LOGFILE" \
-- -d -p "$DOCKER_PIDFILE" \ -- --mount \
-- "$DOCKER_BINARY" -d -p "$DOCKER_PIDFILE" \
$DOCKER_OPTS $DOCKER_OPTS
eend $? eend $?
} }

7
contrib/init/sysvinit-debian/docker
View File

@ -30,6 +30,7 @@ DOCKER_SSD_PIDFILE=/var/run/$BASE-ssd.pid
DOCKER_LOGFILE=/var/log/$BASE.log DOCKER_LOGFILE=/var/log/$BASE.log
DOCKER_OPTS= DOCKER_OPTS=
DOCKER_DESC="Docker" DOCKER_DESC="Docker"
UNSHARE=${UNSHARE:-/usr/bin/unshare}
# Get lsb functions # Get lsb functions
. /lib/lsb/init-functions . /lib/lsb/init-functions
@ -99,11 +100,11 @@ case "$1" in
log_begin_msg "Starting $DOCKER_DESC: $BASE" log_begin_msg "Starting $DOCKER_DESC: $BASE"
start-stop-daemon --start --background \ start-stop-daemon --start --background \
--no-close \ --no-close \
--exec "$DOCKER" \ --exec "$UNSHARE" \
--pidfile "$DOCKER_SSD_PIDFILE" \ --pidfile "$DOCKER_SSD_PIDFILE" \
--make-pidfile \ --make-pidfile \
-- \ -- --mount \
-d -p "$DOCKER_PIDFILE" \ -- "$DOCKER" -d -p "$DOCKER_PIDFILE" \
$DOCKER_OPTS \ $DOCKER_OPTS \
>> "$DOCKER_LOGFILE" 2>&1 >> "$DOCKER_LOGFILE" 2>&1
log_end_msg $? log_end_msg $?

2
contrib/init/upstart/docker.conf
View File

@ -37,7 +37,7 @@ script
if [ -f /etc/default/$UPSTART_JOB ]; then if [ -f /etc/default/$UPSTART_JOB ]; then
. /etc/default/$UPSTART_JOB . /etc/default/$UPSTART_JOB
fi fi
exec "$DOCKER" -d $DOCKER_OPTS exec unshare -m -- "$DOCKER" -d $DOCKER_OPTS
end script end script
# Don't emit "started" event until docker.sock is ready. # Don't emit "started" event until docker.sock is ready.