xos/openstack_observer/templates/start-container.sh.j2

#!/bin/bash

iptables -L > /dev/null
ip6tables -L > /dev/null

CONTAINER={{ container_name }}
IMAGE={{ docker_image }}

{% if volumes %}
{% for volume in volumes %}
DEST_DIR=/var/container_volumes/$CONTAINER/{{ volume }}
mkdir -p $DEST_DIR
VOLUME_ARGS="$VOLUME_ARGS -v $DEST_DIR:{{ volume }}"
{% endfor %}
{% endif %}

docker inspect $CONTAINER > /dev/null 2>&1
if [ "$?" == 1 ]
then
    docker pull $IMAGE
    docker run -d --name=$CONTAINER --privileged=true --net=none $VOLUME_ARGS $IMAGE
else
    docker start $CONTAINER
fi

{% if ports %}
{% for port in ports %}
{% if port.src_device %}
# container-in-VM
docker exec $CONTAINER ifconfig {{ port.src_device }} >> /dev/null || pipework {{ port.src_device }} -i {{ port.device }} $CONTAINER {{ port.ip }}/24 {{ port.mac }}
{% else %}
# container-on-metal
IP="{{ port.ip }}"
MAC="{{ port.mac }}"
DEVICE="{{ port.device }}"
INSTANCE_MAC="{{ port.snoop_instance_mac }}"
INSTANCE_ID="{{ port.snoop_instance_id }}"
INSTANCE_TAP=`virsh domiflist $INSTANCE_ID | grep -i $INSTANCE_MAC | awk '{print $1}'`
INSTANCE_TAP=${INSTANCE_TAP:3}
VLAN_ID=`ovs-vsctl show | grep -i -A 1 port.*$INSTANCE_TAP | grep -i tag | awk '{print $2}'`
TAP="con`echo ${CONTAINER}_$DEVICE|md5sum|awk '{print $1}'`"
TAP=${TAP:0:12}
echo im=$INSTANCE_MAC ii=$INSTANCE_ID it=$INSTANCE_TAP vlan=$VLAN_ID tap=$TAP con=$CONTAINER dev=$DEVICE mac=$MAC
ovs-vsctl show | grep -i $TAP
if [[ $? == 1 ]]; then
    echo creating tap
    ovs-vsctl add-port br-int $TAP tag=$VLAN_ID -- set interface $TAP type=internal
else
    echo tap exists
fi

docker exec $CONTAINER ifconfig $DEVICE >> /dev/null || pipework $TAP -i $DEVICE $CONTAINER $IP/24 $MAC
{% endif %}
{% endfor %}
{% endif %}

# Attach to container
# docker start -a $CONTAINER