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|
#!/bin/bash
##########################################
# WARNING WARNING WARNING WARNING
#
# This script is an example to start a new AGL container
#
# You should customize it to fit your environment and in particular
# adjust the paths and permissions where needed.
#
# Note that sharing volumes with the host system is not mandatory: it
# was just added for performance reasons: building from a SSD is
# just faster than using the container filesystem: that's why /xdt is
# mounted from there. The same applies to ~/mirror and ~/share, which are
# just 2 convenient folders to store reference build caches (used in
# prepare_meta script)
#
##########################################
CURDIR=$(cd $(dirname $0) && pwd -P)
PREFIX=agl-worker
DEFIMAGE=$(make -s -C $CURDIR/.. show-image)
OCCUPIED_ID=$(docker ps -a -f name=${PREFIX} --format "{{.Names}}" | grep -oE "[0-9]" | sort -n | sed ':a;N;$!ba;s/\n/ /g')
BOOTSRV=""
ID=""
IMAGE=""
DOCKER_USER="devel"
DOCKER_UID="1664"
function usage() {
echo "Usage: $(basename $0) <instance ID> [image name] [--enable-boot-srv]" >&2
echo "Instance ID must be 0 or a positive integer (1,2,...)" >&2
echo "Image name is optional: 'make show-image' is used by default to get image" >&2
echo "--enable-boot-srv: Enable binding tftp/nbd port." >&2
echo "Default image: $DEFIMAGE" >&2
exit 1
}
function updateContainerUid () {
echo -n "Setup docker user and group id to match yours "
res=3
max=30
count=0
while [ $res -ne 1 ] && [ $count -le $max ]; do
sleep 1
docker exec ${NAME} bash -c "loginctl user-status $DOCKER_USER |grep sd-pam" 2>/dev/null 1>&2
res=$?
echo -n "."
count=$((count + 1));
done
echo -n "."
# Set uid
if docker exec -t ${NAME} bash -c "id $(id -u)" > /dev/null 2>&1 && \
[ "$(id -u)" != "$DOCKER_UID" ]; then
echo "Cannot set docker $DOCKER_USER user id to your id: conflicting id $(id -u) !"
exit 1
fi
docker exec -t ${NAME} bash -c "usermod -u $(id -u) $DOCKER_USER" || exit 1
echo -n "."
# Set gid
if docker exec -t ${NAME} bash -c "grep $(id -g) /etc/group" > /dev/null 2>&1; then
docker exec -t ${NAME} bash -c "usermod -g $(id -g) $DOCKER_USER" || exit 1
else
docker exec -t ${NAME} bash -c "groupmod -g $(id -g) $DOCKER_USER" || exit 1
fi
echo -n "."
docker exec -t ${NAME} bash -c "chown -R $DOCKER_USER:$DOCKER_USER /home/$DOCKER_USER" || exit 1
echo -n "."
docker exec -t ${NAME} bash -c "chown -R $DOCKER_USER:$DOCKER_USER $XDTDIR_MAPPED"
echo "."
}
function setupContainerSsh () {
echo "Copying your SSH identity to container $NAME"
echo -n Waiting for the ssh service to come up in the container ...
res=3
max=30
count=0
while [ $res -ne 0 ] && [ $count -le $max ]; do
sleep 1
docker exec ${NAME} bash -c "systemctl status ssh" 2>/dev/null 1>&2
res=$?
echo -n "."
count=$(expr $count + 1);
done
echo
ssh-keygen -R [$(hostname)]:$SSH_PORT -f ~/.ssh/known_hosts
docker exec ${NAME} bash -c "mkdir -p /home/$DOCKER_USER/.ssh"
docker cp ~/.ssh/id_rsa.pub ${NAME}:/home/$DOCKER_USER/.ssh/authorized_keys
docker exec ${NAME} bash -c "chown $DOCKER_USER:$DOCKER_USER -R /home/$DOCKER_USER/.ssh ;chmod 0700 /home/$DOCKER_USER/.ssh;chmod 0600 /home/$DOCKER_USER/.ssh/*"
ssh -o StrictHostKeyChecking=no -p $SSH_PORT $DOCKER_USER@$(hostname) exit
}
while [ $# -ne 0 ]; do
case $1 in
-h|--help|"")
usage
;;
--enable-boot-srv)
BOOTSRV="TRUE";
shift
;;
*)
if [ -z "${ID}" ] ; then
ID=$1
shift
elif [ -z "${IMAGE}" ] ; then
IMAGE=$1
shift
else
usage
fi
;;
esac
done
if [ -z "${IMAGE}" ] ; then
IMAGE=${DEFIMAGE}
fi
USER=$(id -un)
echo "Using instance ID #$ID (user $(id -un))"
NAME=${PREFIX}-$(hostname|cut -f1 -d'.')-$ID-$USER
for n in $(docker ps -a -f name=${PREFIX} --format "{{.Names}}")
do
if [ $NAME = $n ]
then
echo "This id is already taken."
echo "Please choose another one."
echo "ids already in use: ${OCCUPIED_ID}"
exit 2
fi
done
MIRRORDIR=$HOME/ssd/localmirror_$ID
XDTDIR=$HOME/ssd/xdt_$ID
SHAREDDIR=$HOME/ssd/share
MIRRORDIR_MAPPED=/home/$DOCKER_USER/mirror
XDTDIR_MAPPED=/xdt
SHAREDDIR_MAPPED=/home/$DOCKER_USER/share
SSH_PORT=$((2222 + ID))
WWW_PORT=$((8000 + ID))
BOOT_PORT=69
NBD_PORT=10809
mkdir -p $MIRRORDIR $XDTDIR $SHAREDDIR
if [ -n "${BOOTSRV}" ] ; then
BOOTSRV_CONFIG="--publish=${BOOT_PORT}:69/udp --publish=${NBD_PORT}:10809";
fi
docker run \
--publish=${SSH_PORT}:22 \
--publish=${WWW_PORT}:8000 \
${BOOTSRV_CONFIG} \
--detach=true \
--hostname=$NAME --name=$NAME \
--privileged -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
-v $MIRRORDIR:$MIRRORDIR_MAPPED \
-v $SHAREDDIR:$SHAREDDIR_MAPPED \
-v $XDTDIR:$XDTDIR_MAPPED \
-it $IMAGE
if [ $? -ne 0 ]; then
echo "Failed to run docker"
exit 1
fi
setupContainerSsh
updateContainerUid
echo "You can now login using:"
echo " ssh -p $SSH_PORT $DOCKER_USER@$(hostname)"
|
