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simplify pre-cache procedure

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This commit is contained in:
Anthony Young 2011-09-13 10:40:04 -07:00
parent b748e69f0b
commit 6053496ebc
1 changed files with 21 additions and 23 deletions
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44
build_lxc.sh
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@ -8,30 +8,9 @@ CONTAINER_NETMASK=${CONTAINER_NETMASK:-255.255.255.0}
CONTAINER_GATEWAY=${CONTAINER_GATEWAY:-192.168.1.1}
NAMESERVER=${NAMESERVER:-192.168.1.1}
COPYENV=${COPYENV:-1}
WARMCACHE=${WARMCACHE:-0}
# Shutdown any existing container
lxc-stop -n $CONTAINER
# This prevents zombie containers
cgdelete -r cpu,net_cls:$CONTAINER
# Destroy the old container
lxc-destroy -n $CONTAINER
# Warm the base image on first run or when WARMCACHE=1
CACHEDIR=/var/cache/lxc/natty/rootfs-amd64
if [ "$WARMCACHE" = "1" ] || [ ! -d $CACHEDIR ]; then
if [ -d $CACHEDIR ]; then
# Pre-cache files
chroot $CACHEDIR apt-get update
chroot $CACHEDIR apt-get install -y `cat apts/* | cut -d\# -f1 | egrep -v "(rabbitmq|libvirt-bin|mysql-server)"`
chroot $CACHEDIR pip install `cat pips/*`
fi
fi
# Create network configuration
LXC_CONF=/tmp/net.conf
# Create lxc configuration
LXC_CONF=/tmp/$CONTAINER.conf
cat > $LXC_CONF <<EOF
lxc.network.type = veth
lxc.network.link = $BRIDGE
@ -41,6 +20,25 @@ lxc.network.ipv4 = $CONTAINER_CIDR
lxc.cgroup.devices.allow = c 10:200 rwm
EOF
# Shutdown any existing container
lxc-stop -n $CONTAINER
# This prevents zombie containers
cgdelete -r cpu,net_cls:$CONTAINER
# Warm the base image on first install
CACHEDIR=/var/cache/lxc/natty/rootfs-amd64
if [ ! -d $CACHEDIR ]; then
# trigger the initial debootstrap
lxc-create -n $CONTAINER -t natty -f $LXC_CONF
chroot $CACHEDIR apt-get update
chroot $CACHEDIR apt-get install -y `cat apts/* | cut -d\# -f1 | egrep -v "(rabbitmq|libvirt-bin|mysql-server)"`
chroot $CACHEDIR pip install `cat pips/*`
fi
# Destroy the old container
lxc-destroy -n $CONTAINER
# Create the container
lxc-create -n $CONTAINER -t natty -f $LXC_CONF