my container creation script

There is possible room for further improvement as per my needs.

1 files changed, 93 insertions, 0 deletions

diff --git a/bootstrap_debian b/bootstrap_debian
new file mode 100755
index 0000000..f4c5d63
--- /dev/null
+++ b/bootstrap_debian
@@ -0,0 +1,93 @@
+#!/bin/sh
+
+set -e
+set -x
+
+usage () {
+    echo "${0##/*} [options] <suite> <target> [<mirror>]"
+    echo "Bootstrap rootfs for Debian"
+    echo
+    cat <<EOF
+      --arch         set the architecture to install
+      --root-passwd  set the root password for bootstrapped rootfs
+EOF
+}
+
+# copied from the lxc-debian template
+packages=ifupdown,\
+locales,\
+libui-dialog-perl,\
+dialog,\
+isc-dhcp-client,\
+netbase,\
+net-tools,\
+iproute,\
+openssh-server
+
+if [ $(id -u) -ne 0 ]; then
+    echo "You must be root to execute this command"
+    exit 2
+fi
+
+if [ $# -lt 2 ]; then
+    usage $0
+fi
+
+while true; do
+    case "$1" in
+	 --root-passwd|--root-passwd=?*)
+	     if [ "$1" = "--root-passwd" -a -n "$2" ]; then
+		 ROOT_PASSWD="$2"
+		 shift 2
+	     elif [ "$1" != "${1#--root-passwd=}" ]; then
+		 ROOT_PASSWD="${1#--root-passwd=}"
+		 shift 1
+	     else
+		 # copied from lxc-debian template
+		 ROOT_PASSWD="$(dd if=/dev/urandom bs=6 count=1 2>/dev/null|base64)"
+		 ECHO_PASSWD="yes"
+	     fi
+	     ;;
+	 --arch|--arch=?*)
+	     if [ "$1" = "--arch" -a -n "$2" ]; then
+		 ARCHITECTURE="$2"
+		 shift 2
+	     elif [ "$1" != "${1#--arch=}" ]; then
+		 ARCHITECTURE="${1#--arch=}"
+		 shift 1
+	     else
+		 ARCHITECTURE="$(dpkg-architecture -q DEB_HOST_ARCH)"
+	     fi
+	     ;;
+	 *)
+	     break
+	     ;;
+    esac
+done
+				
+
+				
+release="$1"
+target="$2"
+
+if [ -z "$1" ] || [ -z "$2" ]; then
+    echo "You must specify suite and target"
+    exit 1
+fi
+
+if [ -n "$3" ]; then
+    MIRROR="$3"
+fi
+
+MIRROR=${MIRROR:-http://httpredir.debian.org/debian}
+
+echo "Downloading Debian $release ..."
+debootstrap --verbose --variant=minbase --arch=$ARCHITECTURE \
+	    --include=$packages \
+	    "$release" "$target" "$MIRROR"
+
+echo "root:$ROOT_PASSWD" | chroot "$target" chpasswd
+
+if [ -n "$ECHO_PASSWD" ]; then
+    echo "Root password is '$ROOT_PASSWRD', please change!"
+fi