135 lines
3.5 KiB
Bash
Executable file
135 lines
3.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Configurable params
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BRIDGE=${BRIDGE:-br0}
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CONTAINER=${CONTAINER:-STACK}
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CONTAINER_IP=${CONTAINER_IP:-192.168.1.50}
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CONTAINER_CIDR=${CONTAINER_CIDR:-$CONTAINER_IP/24}
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CONTAINER_NETMASK=${CONTAINER_NETMASK:-255.255.255.0}
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CONTAINER_GATEWAY=${CONTAINER_GATEWAY:-192.168.1.1}
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NAMESERVER=${NAMESERVER:-192.168.1.1}
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COPYENV=${COPYENV:-1}
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# Param string to pass to stack.sh. Like "EC2_DMZ_HOST=192.168.1.1 MYSQL_USER=nova"
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STACKSH_PARAMS=${STACKSH_PARAMS:-}
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# Install cgroup-bin if we don't have it yet
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if ! which cgdelete | grep -q cgdelete; then
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apt-get install cgroup-bin
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fi
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# Create lxc configuration
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LXC_CONF=/tmp/$CONTAINER.conf
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cat > $LXC_CONF <<EOF
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lxc.network.type = veth
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lxc.network.link = $BRIDGE
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lxc.network.flags = up
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lxc.network.ipv4 = $CONTAINER_CIDR
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# allow tap/tun devices
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lxc.cgroup.devices.allow = c 10:200 rwm
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EOF
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# Shutdown any existing container
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lxc-stop -n $CONTAINER
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# This kills zombie containers
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if [ -d /cgroup/$CONTAINER ]; then
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cgdelete -r cpu,net_cls:$CONTAINER
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fi
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# Warm the base image on first install
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CACHEDIR=/var/cache/lxc/natty/rootfs-amd64
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if [ ! -d $CACHEDIR ]; then
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# trigger the initial debootstrap
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lxc-create -n $CONTAINER -t natty -f $LXC_CONF
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chroot $CACHEDIR apt-get update
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chroot $CACHEDIR apt-get install -y `cat apts/* | cut -d\# -f1 | egrep -v "(rabbitmq|libvirt-bin|mysql-server)"`
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chroot $CACHEDIR pip install `cat pips/*`
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fi
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# Destroy the old container
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lxc-destroy -n $CONTAINER
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# Create the container
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lxc-create -n $CONTAINER -t natty -f $LXC_CONF
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# Specify where our container rootfs lives
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ROOTFS=/var/lib/lxc/$CONTAINER/rootfs/
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# Create a stack user that is a member of the libvirtd group so that stack
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# is able to interact with libvirt.
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chroot $ROOTFS groupadd libvirtd
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chroot $ROOTFS useradd stack -s /bin/bash -d /opt -G libvirtd
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# a simple password - pass
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echo stack:pass | chroot $ROOTFS chpasswd
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# and has sudo ability (in the future this should be limited to only what
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# stack requires)
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echo "stack ALL=(ALL) NOPASSWD: ALL" >> $ROOTFS/etc/sudoers
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function cp_it {
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if [ -e $1 ] || [ -d $1 ]; then
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cp -pr $1 $2
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fi
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}
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# Copy over your ssh keys and env if desired
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if [ "$COPYENV" = "1" ]; then
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cp_it ~/.ssh $ROOTFS/opt/.ssh
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cp_it ~/.ssh/id_rsa.pub $ROOTFS/opt/.ssh/authorized_keys
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cp_it ~/.gitconfig $ROOTFS/opt/.gitconfig
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cp_it ~/.vimrc $ROOTFS/opt/.vimrc
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cp_it ~/.bashrc $ROOTFS/opt/.bashrc
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fi
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# Give stack ownership over /opt so it may do the work needed
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chroot $ROOTFS chown -R stack /opt
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# Configure instance network
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INTERFACES=$ROOTFS/etc/network/interfaces
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cat > $INTERFACES <<EOF
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auto lo
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iface lo inet loopback
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auto eth0
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iface eth0 inet static
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address $CONTAINER_IP
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netmask $CONTAINER_NETMASK
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gateway $CONTAINER_GATEWAY
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EOF
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# Configure the runner
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RUN_SH=$ROOTFS/root/run.sh
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cat > $RUN_SH <<EOF
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#!/bin/bash
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# Make sure dns is set up
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echo "nameserver $NAMESERVER" | resolvconf -a eth0
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sleep 1
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# Install and run stack.sh
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apt-get update
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apt-get -y --force-yes install git-core vim-nox sudo
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if [ ! -d "~/nfs-stack" ]
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su -c "git clone git://github.com/cloudbuilders/nfs-stack.git ~/nfs-stack" stack
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fi
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su -c "cd ~/nfs-stack && $STACKSH_PARAMS ./stack.sh" stack
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EOF
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# Make the run.sh executable
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chmod 700 $RUN_SH
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# Make runner launch on boot
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RC_LOCAL=$ROOTFS/etc/rc.local
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cat > $RC_LOCAL <<EOF
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#!/bin/sh -e
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/root/run.sh
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EOF
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# Configure cgroup directory
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if ! mount | grep -q cgroup; then
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mkdir -p /cgroup
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mount none -t cgroup /cgroup
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fi
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# Start our container
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lxc-start -d -n $CONTAINER
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