terom@0: #!/bin/bash
terom@0: 
terom@7: ### Initialize 
terom@7: set -u
terom@7: set -e
terom@0: 
terom@7: TESTING=
terom@7: 
terom@7: DO_VIRTINSTALL=
terom@7: 
terom@7: scripts=$(dirname $0)/scripts
terom@7: . $scripts/lib.sh
terom@7: 
terom@7: ### Command-line input
terom@7: ## Command-line options
terom@7: function _help () {
terom@7:     cat <<END
terom@7: Usage: $1 [options] [param=value [...]]
terom@7: 
terom@7: Options:
terom@7:     -h      Show this help text
terom@7: 
terom@7:     -D      Debug
terom@7:     -v      Verbose
terom@7:     -q      Quiet
terom@7: 
terom@7:     -N      Mock command execution
terom@7:     -P      Skip command prompts
terom@7: 
terom@7:     -I      Do a virt-install
terom@7: 
terom@7:     -T      Just testing..
terom@7: 
terom@7: Parameters are given as:
terom@7: 
terom@7:     NAME=value-{FOO}
terom@7: 
terom@7: END
terom@7: }
terom@7: 
terom@7: while getopts "hDvqNPTI" opt; do
terom@7:     case "$opt" in
terom@7:         h)
terom@7:             _help $0
terom@7: 
terom@7:             exit 0
terom@7:             ;;
terom@7: 
terom@7:         D)
terom@7:             LOG_DEBUG=y
terom@7:             LOG_CMD=y
terom@7: 
terom@7:             ;;
terom@7: 
terom@7:         v)
terom@7:             LOG_CMD=y
terom@7: 
terom@7:             log_debug "log: Commands"
terom@7:             ;;
terom@7: 
terom@7:         q)
terom@7:             LOG_CMD=
terom@7:             LOG_INFO=
terom@7:             
terom@7:             log_debug "log: Quiet"
terom@7:             ;;
terom@7: 
terom@7:         N)
terom@7:             log_info "Mock-executing commands (this will break functionality..)"
terom@7: 
terom@7:             CMD_MOCK=y
terom@7:             ;;
terom@7: 
terom@7:         P)
terom@7:             log_info "Skipping command confirmations"
terom@7: 
terom@7:             CMD_PROMPT=
terom@7:             ;;
terom@7: 
terom@7:         T)
terom@7:             log_info "Just testing.."
terom@7: 
terom@7:             TESTING=y
terom@7:             ;;
terom@7: 
terom@7:         I)
terom@7:             log_info "Do virt-install"
terom@7: 
terom@7:             DO_VIRTINSTALL=y
terom@7:             ;;
terom@7:         ?)
terom@7:             _help $0
terom@7: 
terom@7:             exit 1
terom@7:             ;;
terom@7:     esac
terom@7: done
terom@7: 
terom@7: # forget them
terom@7: shift $(( $OPTIND - 1 ))
terom@7: 
terom@7: ## Command-line arguments
terom@7: log_info "Processing ${#@} arguments"
terom@7: for param in "$@"; do
terom@7:     name=${param%=*}
terom@7:     value=${param##*=}
terom@7: 
terom@7:     # evaluate
terom@7:     value=$(expand_line "$value")
terom@7: 
terom@7:     log_debug " $name = $value"
terom@7: 
terom@7:     eval "opt_${name}=${value}"
terom@7: done
terom@7: 
terom@7: ### State
terom@1: ## Guest info
terom@7: GUEST_NAME=$opt_name
terom@1: 
terom@1: # Basic params
terom@7: GUEST_RAM=${opt_ram:-1G}
terom@7: GUEST_VCPUS=${opt_cpus:-2}
terom@1: 
terom@1: # OS variant (for virt-install)
terom@7: GUEST_OS_VARIANT=${opt_os:-debiansqueeze}
terom@1: 
terom@1: ## Disk
terom@1: # Size of LV to create
terom@7: DISK_SIZE=${opt_disk_size:-10G}
terom@0: 
terom@1: # LVM vg to use
terom@7: DISK_VG=${opt_disk_vg:-pvl}
terom@0: 
terom@1: # LVM lv to use
terom@7: DISK_NAME=${opt_disk_lv:-${GUEST_NAME}}
terom@0: 
terom@1: # Path to disk block device
terom@1: DISK_PATH=/dev/mapper/${DISK_VG}-${DISK_NAME}
terom@7: DISK_BUS=${opt_disk_bus:-virtio}
terom@7: GUEST_DISK=${opt_guest_disk:-/dev/vda}
terom@0: 
terom@1: ## Network
terom@7: NET_HOSTNAME=${opt_hostname:-${GUEST_NAME}}
terom@7: NET_BRIDGE=${opt_bridge:-br-lan}
terom@7: NET_IPADDR=${opt_ip:-194.197.235.36}
terom@1: 
terom@1: ## Installation image
terom@1: # Original Debian Installer image (iso)
terom@1: INSTALLER_NAME="debian-6.0.3-amd64"
terom@1: INSTALLER_ISO="iso-in/${INSTALLER_NAME}-netinst.iso"
terom@1: INSTALLER_TREE="iso-in/$INSTALLER_NAME"
terom@1: INSTALLER_FLAG="${INSTALLER_TREE}.unpacked"
terom@1: 
terom@1: # Customized preseed image name
terom@1: INSTALL_NAME="debian-6.0.3-amd64_${GUEST_NAME}"
terom@1: 
terom@1: # Customized image content
terom@1: INSTALL_TREE="images/${INSTALL_NAME}"
terom@1: INSTALL_ISO="iso-out/${INSTALL_NAME}.iso"
terom@1: 
terom@1: # Preseed output file in install tree
terom@1: 
terom@1: # Preseed source template
terom@7: PRESEED_NAME="preseed.cfg"
terom@7: PRESEED_TEMPLATE="preseed/${PRESEED_NAME}"
terom@7: PRESEED_FILE="${INSTALL_TREE}/${PRESEED_NAME}"
terom@1: PRESEED_ISOLINUX="preseed/isolinux.cfg"
terom@4: PRESEED_INCLUDES=("preseed/passwords.cfg" "preseed/host.cfg")
terom@1: 
terom@7: PRESEED_CHECKSUM= # set later
terom@7: 
terom@1: ## External progs
terom@1: # Bootable .iso for Debian isolinux-based installer CDs
terom@1: GENISOIMAGE=/usr/bin/genisoimage
terom@1: GENISOIMAGE_OPTS="-r -J -no-emul-boot -boot-load-size 4 -boot-info-table -b isolinux/isolinux.bin -c isolinux/boot.cat"
terom@1: 
terom@1: # LVM
terom@1: LVM=/sbin/lvm
terom@1: 
terom@1: # Libvirt --connect URL
terom@1: LIBVIRT=qemu:///system
terom@1: VIRSH=/usr/bin/virsh
terom@1: 
terom@1: function virsh () {
terom@1:     $VIRSH --connect $LIBVIRT "$@"
terom@1: }
terom@1: 
terom@1: # type of guest to create
terom@1: LIBVIRT_TYPE=kvm
terom@1: 
terom@1: # virt-install
terom@1: VIRT_INSTALL="/usr/bin/virt-install"
terom@1: 
terom@1: ## SELinux?
terom@0: #SEMANAGE=/usr/sbin/semanage
terom@0: #RESTORECON=/sbin/restorecon
terom@0: 
terom@7: ### Prepare
terom@7: cat <<END
terom@7: Guest:
terom@7:     Name:       $GUEST_NAME
terom@7:     CPUs:       $GUEST_VCPUS
terom@7:     RAM:        $GUEST_RAM
terom@7:     OS:         $GUEST_OS_VARIANT
terom@0: 
terom@7:     Disk:       $GUEST_DISK
terom@7: 
terom@7: Disk:
terom@7:     Method:     LVM
terom@7:     Size:       $DISK_SIZE
terom@7:     LVM:
terom@7:         VG:     $DISK_VG
terom@7:         LV:     $DISK_NAME
terom@7: 
terom@7:     Path:       $DISK_PATH
terom@7:     Bus:        $DISK_BUS
terom@7: 
terom@7: Net:
terom@7:     Hostname:   $NET_HOSTNAME
terom@7:     Method:     Bridge
terom@7:     IP:         $NET_IPADDR
terom@7: 
terom@7:     Bridge:
terom@7:         Name:   $NET_BRIDGE
terom@7: 
terom@7: Installer:
terom@7:     Name:       $INSTALLER_NAME
terom@7:     ISO:        $INSTALLER_ISO
terom@7:     Tree:       $INSTALLER_TREE
terom@7: 
terom@7: Install:
terom@7:     Name:       $INSTALL_NAME
terom@7:     Tree:       $INSTALL_TREE
terom@7:     ISO:        $INSTALL_ISO
terom@7: 
terom@7: Preseed:
terom@7:     Name:       $PRESEED_NAME
terom@7:     Template:   $PRESEED_TEMPLATE
terom@7:     Target:     $PRESEED_FILE
terom@7:     Isolinux:   $PRESEED_ISOLINUX
terom@7:     Includes:   $PRESEED_INCLUDES
terom@7: 
terom@7: END
terom@7: 
terom@7: 
terom@7: [ $TESTING ] && exit 0
terom@0: 
terom@1: ### Check
terom@1: # VM exists?
terom@1: if cmd virsh domid ${GUEST_NAME} 2> /dev/null; then
terom@1:     die "Virtual machine already exists: ${GUEST_NAME}"
terom@1: fi
terom@1: 
terom@1: # Installer exists?
terom@1: if cmd test ! -f ${INSTALLER_ISO}; then
terom@1:     die "Installer not found: ${INSTALLER_ISO}"
terom@1: fi
terom@0: 
terom@7: ### Prepare install
terom@7: ## Extract .iso
terom@1: if [ -f ${INSTALLER_FLAG} ]; then
terom@7:     log_info "Installer already unpacked: ${INSTALLER_TREE}"
terom@1: 
terom@1: else
terom@7:     log_info "Unpacking installer: ${INSTALLER_ISO}"
terom@1:     cmd extract_iso ${INSTALLER_ISO} ${INSTALLER_TREE}
terom@1:     cmd touch ${INSTALLER_FLAG}
terom@1: fi
terom@1: 
terom@1: # Copy to customized tree
terom@1: cmd cp -r ${INSTALLER_TREE} ${INSTALL_TREE}
terom@1: cmd chmod -R u=rwX,og=rX ${INSTALL_TREE}
terom@1: 
terom@7: log_info "Installer extracted: $INSTALL_TREE"
terom@7: 
terom@7: ## Customize preseed
terom@7: cmd expand_template ${PRESEED_TEMPLATE} ${PRESEED_FILE}
terom@1: 
terom@1: # md5sum
terom@7: PRESEED_CHECKSUM=$(my_md5sum $PRESEED_FILE)
terom@1: 
terom@1: # Isolinux .cfg
terom@1: cmd expand_template ${PRESEED_ISOLINUX} ${INSTALL_TREE}/isolinux/isolinux.cfg
terom@1: 
terom@1: # Others
terom@4: for file in ${PRESEED_INCLUDES[@]}; do
terom@1:     name=$(basename $file)
terom@1: 
terom@1:     cmd expand_template $file ${INSTALL_TREE}/${name}
terom@1: done
terom@1: 
terom@7: log_info "Preseed generated: $PRESEED_FILE"
terom@0: 
terom@7: ## Create .iso
terom@7: [ -f ${INSTALL_ISO} ] && cmd rm -f ${INSTALL_ISO}
terom@0: 
terom@7: # generates a lot of output
terom@7: cmd ${GENISOIMAGE} -o ${INSTALL_ISO} -quiet ${GENISOIMAGE_OPTS} ${INSTALL_TREE} 
terom@7: 
terom@7: log_info "Install ISO generated: $INSTALL_ISO"
terom@7: 
terom@7: ### Create virtual machine
terom@7: if [ $DO_VIRTINSTALL ]; then
terom@7:     ## Disk
terom@7:     # Create LV (unless it already exists)
terom@7:     [ -e $DISK_PATH ] || cmd_confirm sudo $LVM lvcreate -L $DISK_SIZE -n $DISK_NAME $DISK_VG
terom@7: 
terom@7:     ## SELinux?
terom@7:     #$SEMANAGE fcontext -a -t virt_image_t $DISK
terom@7:     #$RESTORECON -v $DISK
terom@7: 
terom@7:     ## virt-install
terom@7:     cmd_confirm $VIRT_INSTALL \
terom@7:             --connect $LIBVIRT \
terom@7:             --name $GUEST_NAME \
terom@7:             --ram $(expand_MB $GUEST_RAM) --vcpus $GUEST_VCPUS \
terom@7:             --cdrom "$INSTALL_ISO" \
terom@7:             --os-variant $GUEST_OS_VARIANT \
terom@7:             --disk path=$DISK_PATH,bus=$DISK_BUS \
terom@7:             --network bridge:$NET_BRIDGE \
terom@7:             --vnc \
terom@7:             --virt-type $LIBVIRT_TYPE \
terom@7:             --accelerate --hvm \
terom@7:             --serial pty
terom@7: fi
terom@7: