79 lines
2.8 KiB
Bash
79 lines
2.8 KiB
Bash
#!/usr/bin/env bash
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#
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# Okay, so here's some real meat. We take a drive (as 02 said, I use a VM),
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# and we spray that stage4 all over it. Then we rub some grub (0.97) all over
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# it to make it feel better, and then we box it up and ship it out.
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set -e -u -x -o pipefail
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# Vars
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export TEMP_DIR=${TEMP_DIR:-'/root/tmp/catalyst/gentoo'}
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export MOUNT_DIR=${MOUNT_DIR:-'/mnt'}
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export DATE=${DATE:-"$(date +%Y%m%d)"}
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export PORTAGE_DIR=${PORTAGE_DIR:-"/var/tmp/catalyst/snapshots"}
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# profiles supported are as follows
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# default/linux/amd64/13.0
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# default/linux/amd64/13.0/no-multilib
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# hardened/linux/amd64
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# hardened/linux/amd64/no-multilib
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# hardened/linux/amd64/selinux (eventually)
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# hardened/linux/amd64/no-multilib/selinux (eventually)
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export PROFILE=${PROFILE:-"default/linux/amd64/13.0"}
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if [[ "${PROFILE}" == "default/linux/amd64/13.0" ]]; then
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PROFILE_SHORTNAME="amd64-default"
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elif [[ "${PROFILE}" == "default/linux/amd64/13.0/no-multilib" ]]; then
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PROFILE_SHORTNAME="amd64-default-nomultilib"
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elif [[ "${PROFILE}" == "hardened/linux/amd64" ]]; then
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PROFILE_SHORTNAME="amd64-hardened"
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elif [[ "${PROFILE}" == "hardened/linux/amd64/no-multilib" ]]; then
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PROFILE_SHORTNAME="amd64-hardened-nomultilib"
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else
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echo 'invalid profile, exiting'
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exit 1
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fi
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export TARBALL=${TARBALL:-"/root/tmp/catalyst/gentoo/stage4-${PROFILE_SHORTNAME}-${DATE}.tar.bz2"}
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export TEMP_IMAGE=${TEMP_IMAGE:-"gentoo-${PROFILE_SHORTNAME}.img"}
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export TARGET_IMAGE=${TARGET_IMAGE:-"/root/openstack-${PROFILE_SHORTNAME}-${DATE}.qcow2"}
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# create a raw partition and do stuff with it
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fallocate -l 5G "${TEMP_DIR}/${TEMP_IMAGE}"
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BLOCK_DEV=$(losetup -f --show "${TEMP_DIR}/${TEMP_IMAGE}")
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# Okay, we have the disk, let's prep it
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echo 'Building disk'
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parted -s "${BLOCK_DEV}" mklabel gpt
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parted -s --align=none "${BLOCK_DEV}" mkpart bios_boot 0 2M
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parted -s --align=none "${BLOCK_DEV}" mkpart primary 2M 100%
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parted -s "${BLOCK_DEV}" set 1 boot on
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parted -s "${BLOCK_DEV}" set 1 bios_grub on
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mkfs.ext4 -F "${BLOCK_DEV}p2"
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# Mount it
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echo 'Mounting disk'
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mkdir -p "${MOUNT_DIR}/${PROFILE_SHORTNAME}"
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mount "${BLOCK_DEV}p2" "${MOUNT_DIR}/${PROFILE_SHORTNAME}"
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# Expand the stage
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echo 'Expanding tarball'
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tar --xattrs -xjpf "${TARBALL}" -C "${MOUNT_DIR}/${PROFILE_SHORTNAME}"
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echo 'Adding in /usr/portage'
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tar --xattrs -xjpf "${PORTAGE_DIR}/portage-latest.tar.bz2" -C "${MOUNT_DIR}/${PROFILE_SHORTNAME}/usr"
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# Install grub
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echo 'Installing grub'
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grub2-install "${BLOCK_DEV}" --boot-directory "${MOUNT_DIR}/${PROFILE_SHORTNAME}/boot"
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# Clean up
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echo 'Syncing; unmounting'
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sync
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umount "${MOUNT_DIR}/${PROFILE_SHORTNAME}"
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# get rid of block mapping
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losetup -d "${BLOCK_DEV}"
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echo 'Converting raw image to qcow2'
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qemu-img convert -c -f raw -O qcow2 "${TEMP_DIR}/${TEMP_IMAGE}" "${TARGET_IMAGE}"
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echo 'Cleaning up'
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rm "${TEMP_DIR}/${TEMP_IMAGE}"
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