Create a container LXC to test salt formulas on Debian

boot-lxc-salt-formula.sh

#!/bin/bash

PROJECT_DIR=$(pwd)
CNAME=$1
CNAME_ROOTFS=/var/lib/lxc/$CNAME/rootfs


usage() {
    echo "Usage: `basename $0` <container-name>"
    echo ""
    echo "Create a LXC container and setup salt in masterless mode."
    echo "It assumes that your current work directory is a salt"
    echo "formula project."
    echo ""
    echo "This script must be run as root."
    echo ""
}

if [ -z $CNAME ]; then
    usage
    exit 1
fi

if [[ $EUID -ne 0 ]]; then
    usage
    exit 1
fi

lxc-create -n $CNAME -t debian -- -r wheezy

mkdir -p $CNAME_ROOTFS/srv/salt
mkdir -p $CNAME_ROOTFS/srv/pillar
mkdir -p $CNAME_ROOTFS/srv/formulas/$CNAME

echo "lxc.mount.entry=$PROJECT_DIR $CNAME_ROOTFS/srv/formulas/$CNAME none, defaults,bind,uid=0 0 0" >> /var/lib/lxc/$CNAME/config
lxc-start --daemon --name $CNAME

while true; do
    IP=`sudo lxc-info --ips --name $CNAME`
    if [ ! -z "$IP" ]; then
        break
    fi
    sleep 1
done

cat > $CNAME_ROOTFS/root/bootstrap.sh << EOF
#!/bin/sh

apt-get update
apt-get install --yes wget
wget -q -O- "http://debian.saltstack.com/debian-salt-team-joehealy.gpg.key" | apt-key add -
echo "deb http://debian.saltstack.com/debian wheezy-saltstack-2014-01 main" > /etc/apt/sources.list.d/saltstack.list
apt-get update
apt-get install --yes salt-minion
EOF
lxc-attach --name $CNAME -- sh /root/bootstrap.sh

cat > $CNAME_ROOTFS/etc/salt/minion.d/masterless.conf << EOF
file_client: local
file_roots:
  base:
    - /srv/salt
    - /srv/formulas/$CNAME
EOF

cat > $CNAME_ROOTFS/srv/salt/top.sls << EOF
base:
  '*':
    - packages
EOF

cat > $CNAME_ROOTFS/srv/salt/packages.sls << EOF
install_base_packages:
  pkg.installed:
    - pkgs:
      - vim
      - less
EOF

echo ""
echo "You can connect to the new container typing:"
echo ""
echo "ssh root@$CNAME.lxc"
echo ""
echo "Root password is 'root'."
echo "Run a highstate with"
echo ""
echo "salt-call state.highstate"
echo ""