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Viewing changes to build-ec2-image

  • Committer: Ben Howard
  • Date: 2011-07-27 23:17:10 UTC
  • Revision ID: ben.howard@canonical.com-20110727231710-iv7naynricd0x5jk
Code-review for new build-lb-ec2-image changes

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build-ec2-image
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#!/bin/bash
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# vi: ts=4 noexpandtab
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cmd_args=$*
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base_d=$(dirname $(readlink -f "${0}"))
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SKIP_FINISH=0
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error() { echo "$@" 1>&2; }
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debug() { error "$(date -R):" "$@"; }
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cleanup() {
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        [ -z "${TEMP_D}" -o ! -d "${TEMP_D}" ] || rm -Rf "${TEMP_D}"
 
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        [ "${preserve_image}" = "1" -o -z "${TEMP_D}" -o ! -d "${TEMP_D}" ] || rm -Rf "${TEMP_D}"
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}
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cat_partfile() {
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        # Note: this function may be overwritten in a config file
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        eval set -- "${getopt_out}" ||
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        bad_Usage
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skip_gen_image=""
 
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preserve_image=1
 
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while [ $# -ne 0 ]; do
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        cur=${1}; next=${2};
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        case "$cur" in
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                -h|--help) Usage; exit 0;;
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                   --serial) serial=$2; shift;;
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                   --skip-finish) SKIP_FINISH=1;;
 
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           --image) skip_gen_image=$1;;
 
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           --preserve) preserve_image=1;;
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                --) shift; break;;
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        esac
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        shift;
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[ -f "${conf}" ] || fail "${conf}: not a file"
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owner=${USER}
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suite=""
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build_name=""
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description=""
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done
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VMBUILDER=$(which vmbuilder 2>/dev/null) || fail "cannot find vmbuilder"
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LBBUILD=${base_d}/build-lb-ec2-image
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{ [ -d "${pub_d}" ] || mkdir -p "${pub_d}"; } ||
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        fail "failed to make ${pub_d}"
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        # seems more reliable
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        execscript="${TEMP_D}/execscript"
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        {
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        spin=
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        printf "#!/bin/bash\n"
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        for v in serial build_name root_fs_label; do
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                printf "%s='%s'\n" "$v" "${!v}"
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        done
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        printf "\n"
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        cat "${base_d}/vmbuilder-uec-ec2-fixes"
 
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            spin=
 
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            printf "#!/bin/bash\n"
 
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            for v in serial build_name root_fs_label; do
 
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                    printf "%s='%s'\n" "$v" "${!v}"
 
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            done
 
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            printf "\n"
 
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            cat "${base_d}/vmbuilder-uec-ec2-fixes"
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        } > "${execscript}"
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        chmod 755 "${execscript}"
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        kinfo="${img_base}-kernel-info.txt"
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        image="${img_base}.img"
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        cmdline=(
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                ${VMBUILDER} xen ubuntu
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                "--suite=${suite}"
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                "--arch=${arch}"
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                "--dest=${tmpdest}"
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                --ec2
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                "--ec2-version=${description}"
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                --components main,restricted,universe,multiverse
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                --part "${partfile}"
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                --ec2-landscape --lock-user
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                "--manifest=${tmpdest}/${img_base}.manifest"
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                "--tmp=${TMPDIR:-/tmp}"
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                --execscript "${execscript}"
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                --debug "${vmb_addargs[@]}" )
 
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    # Use old scripts for Natty and older, and new for Oneiric and later
 
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    if [ "${suite}" \< "oneiric" ]
 
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    then
 
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        cmdline=(
 
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           ${VMBUILDER} xen ubuntu
 
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           "--suite=${suite}"
 
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           "--arch=${arch}"
 
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           "--dest=${tmpdest}"
 
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           --ec2
 
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           "--ec2-version=${description}"
 
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           --components main,restricted,universe,multiverse
 
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           --part "${partfile}"
 
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           --ec2-landscape --lock-user
 
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           "--manifest=${tmpdest}/${img_base}.manifest"
 
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           "--tmp=${TMPDIR:-/tmp}"
 
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           --execscript "${execscript}"
 
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           --debug "${vmb_addargs[@]}" )
 
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    else
 
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        cmdline=(
 
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            ${LBBUILD}
 
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            "--suite=${suite}"
 
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            "--arch=${arch}"
 
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            "--dest=${tmpdest}"
 
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            "--image=root.img"
 
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            "--part=${partfile}"
 
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            "--rootlabel=${root_fs_label}"
 
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            "--rootsize=${root_fs_size}"
 
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            "--owner=${owner}"
 
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            "--logscreen"
 
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            "--manifest=${tmpdest}/${img_base}.manifest"
 
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         )
 
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    fi
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        debug "invoking ${cmdline[*]}"
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        sudo env "PATH=$PATH" "${cmdline[@]}" ||
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                fail "vmbuilder failed: ${cmdline[*]}";
 
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    if [ -z ${skip_gen_image} ]; then
 
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        sudo env "PATH=$PATH" "${cmdline[@]}" ||
 
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                fail "image generation command failed: ${cmdline[*]}";
 
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    else
 
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        sudo cp ${skip_gen_image} ${tmpdest} ||
 
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            fail "unable to copy ${skip_gen_image} to ${tmpdest}";
 
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    fi
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        if [ ${copy_out_kernels} -ne 0 ]; then
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                debug "${img_base}: copying out kernels"
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                mp=$(mktemp -d "${tmpdest}/mnt.XXXXXX")
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                sudo mount -o loop,ro "${tmpdest}/root.img" "${mp}" ||
 
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                sudo mount --read-only -o loop "${tmpdest}/root.img" "${mp}" ||
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                        fail "failed to mount image for copy out kernels"
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                sudo env "PATH=$PATH" copy-out-kernels \
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        rm "${unpacked_d}/${img_base}.img" ||
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                fail "failed deletion of ${img_base}.img"
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        rm -rf "${tmpdest}" || fail "failed to delete ${tmpdest}"
 
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    if [ "${preserve_image}" = 0 ]; then
 
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        rm -rf "${tmpdest}" || fail "failed to delete ${tmpdest}"
 
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    fi
 
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    set -x
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done
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exit 0