| index : mkinitcpio-archiso32 | |
| Archlinux32 initcpio scripts used by archiso | gitolite user |
| summaryrefslogtreecommitdiff |
| -rw-r--r-- | hooks/archiso | 198 | ||||
| -rw-r--r-- | hooks/archiso_loop_mnt | 32 | ||||
| -rw-r--r-- | hooks/archiso_pxe_common | 50 | ||||
| -rw-r--r-- | hooks/archiso_pxe_http | 61 | ||||
| -rw-r--r-- | hooks/archiso_pxe_nbd | 37 | ||||
| -rw-r--r-- | hooks/archiso_pxe_nfs | 27 | ||||
| -rw-r--r-- | hooks/archiso_shutdown | 6 |
diff --git a/hooks/archiso b/hooks/archiso new file mode 100644 index 0000000..9445498 --- /dev/null +++ b/hooks/archiso @@ -0,0 +1,198 @@ +# args: source, newroot, mountpoint +_mnt_fs() { + local img="${1}" + local newroot="${2}" + local mnt="${3}" + local img_fullname="${img##*/}"; + local img_name="${img_fullname%%.*}" + local dm_snap_name="${dm_snap_prefix}_${img_name}" + local ro_dev ro_dev_size rw_dev + + ro_dev=$(losetup --find --show --read-only "${img}") + echo ${ro_dev} >> /run/archiso/used_block_devices + ro_dev_size=$(blockdev --getsz ${ro_dev}) + + if [[ "${cow_persistent}" == "P" ]]; then + if [[ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]]; then + msg ":: Found '/run/archiso/cowspace/${cow_directory}/${img_name}.cow', using as persistent." + else + msg ":: Creating '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' as persistent." + dd of="/run/archiso/cowspace/${cow_directory}/${img_name}.cow" count=0 seek=${ro_dev_size} &> /dev/null + fi + else + if [[ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]]; then + msg ":: Found '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' but non-persistent requested, removing." + rm -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" + fi + msg ":: Creating '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' as non-persistent." + dd of="/run/archiso/cowspace/${cow_directory}/${img_name}.cow" count=0 seek=${ro_dev_size} &> /dev/null + fi + + rw_dev=$(losetup --find --show "/run/archiso/cowspace/${cow_directory}/${img_name}.cow") + echo ${rw_dev} >> /run/archiso/used_block_devices + + echo "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} ${cow_persistent} 8" | dmsetup create ${dm_snap_name} + + _mnt_dev "/dev/mapper/${dm_snap_name}" "${newroot}${mnt}" "-w" + echo $(readlink -f /dev/mapper/${dm_snap_name}) >> /run/archiso/used_block_devices + echo "/dev/mapper/${dm_snap_name} ${mnt} auto defaults 0 0" >> ${newroot}/etc/fstab +} + +# args: /path/to/image_file, mountpoint +_mnt_sfs() { + local img="${1}" + local mnt="${2}" + local img_fullname="${img##*/}" + local sfs_dev + + if [[ "${copytoram}" == "y" ]]; then + msg -n ":: Copying squashfs image to RAM..." + if ! cp "${img}" "/run/archiso/copytoram/${img_fullname}" ; then + echo "ERROR: while copy '${img}' to '/run/archiso/copytoram/${img_fullname}'" + launch_interactive_shell + fi + img="/run/archiso/copytoram/${img_fullname}" + msg "done." + fi + sfs_dev=$(losetup --find --show --read-only "${img}") + echo ${sfs_dev} >> /run/archiso/used_block_devices + _mnt_dev "${sfs_dev}" "${mnt}" "-r" +} + +# args: device, mountpoint, flags +_mnt_dev() { + local dev="${1}" + local mnt="${2}" + local flg="${3}" + + mkdir -p "${mnt}" + + msg ":: Mounting '${dev}' to '${mnt}'" + + while ! poll_device "${dev}" 30; do + echo "ERROR: '${dev}' device did not show up after 30 seconds..." + echo " Falling back to interactive prompt" + echo " You can try to fix the problem manually, log out when you are finished" + launch_interactive_shell + done + + if mount "${flg}" "${dev}" "${mnt}"; then + msg ":: Device '${dev}' mounted successfully." + else + echo "ERROR; Failed to mount '${dev}'" + echo " Falling back to interactive prompt" + echo " You can try to fix the problem manually, log out when you are finished" + launch_interactive_shell + fi +} + +_verify_checksum() { + local _status + cd "/run/archiso/bootmnt/${archisobasedir}" + md5sum -c checksum.${arch}.md5 > /tmp/checksum.${arch}.log 2>&1 + _status=$? + cd "${OLDPWD}" + return ${_status} +} + +run_hook() { + [[ -z "${arch}" ]] && arch="$(uname -m)" + [[ -z "${cowspace_size}" ]] && cowspace_size="75%" + [[ -z "${copytoram_size}" ]] && copytoram_size="75%" + [[ -z "${archisobasedir}" ]] && archisobasedir="arch" + [[ -z "${dm_snap_prefix}" ]] && dm_snap_prefix="arch" + [[ -z "${archisodevice}" ]] && archisodevice="/dev/disk/by-label/${archisolabel}" + + if [[ -z "${aitab}" ]]; then + aitab="/run/archiso/bootmnt/${archisobasedir}/aitab" + else + aitab="/run/archiso/bootmnt/${archisobasedir}/${aitab}" + fi + + if [[ -n "${cow_label}" ]]; then + cow_device="/dev/disk/by-label/${cow_label}" + [[ -z "${cow_persistent}" ]] && cow_persistent="P" + elif [[ -n "${cow_device}" ]]; then + [[ -z "${cow_persistent}" ]] && cow_persistent="P" + else + cow_persistent="N" + fi + + [[ -z "${cow_directory}" ]] && cow_directory="persistent_${archisolabel}/${arch}" + + # set mount handler for archiso + mount_handler="archiso_mount_handler" +} + +# This function is called normally from init script, but it can be called +# as chain from other mount handlers. +# args: /path/to/newroot +archiso_mount_handler() { + local newroot="${1}" + + if ! mountpoint -q "/run/archiso/bootmnt"; then + _mnt_dev "${archisodevice}" "/run/archiso/bootmnt" "-r" + if [[ "${copytoram}" != "y" ]]; then + echo $(readlink -f ${archisodevice}) >> /run/archiso/used_block_devices + fi + fi + + + if [[ ! -f "${aitab}" ]]; then + echo "ERROR: '${aitab}' file does not exist." + echo " Falling back to interactive prompt" + echo " You can try to fix the problem manually, log out when you are finished" + launch_interactive_shell + fi + + if [[ "${checksum}" == "y" ]]; then + if [[ -f "/run/archiso/bootmnt/${archisobasedir}/checksum.${arch}.md5" ]]; then + msg -n ":: Self-test requested, please wait..." + if _verify_checksum; then + msg "done. Checksum is OK, continue booting." + else + echo "ERROR: one or more files are corrupted" + echo "see /tmp/checksum.${arch}.log for details" + launch_interactive_shell + fi + else + echo "ERROR: checksum=y option specified but checksum.${arch}.md5 not found" + launch_interactive_shell + fi + fi + + if [[ "${copytoram}" == "y" ]]; then + msg ":: Mounting /run/archiso/copytoram (tmpfs) filesystem, size=${copytoram_size}" + mkdir -p /run/archiso/copytoram + mount -t tmpfs -o "size=${copytoram_size}",mode=0755 copytoram /run/archiso/copytoram + fi + + if [[ -n "${cow_device}" ]]; then + _mnt_dev "${cow_device}" "/run/archiso/cowspace" "-r" + echo $(readlink -f ${cow_device}) >> /run/archiso/used_block_devices + mount -o remount,rw "/run/archiso/cowspace" + else + msg ":: Mounting /run/archiso/cowspace (tmpfs) filesystem, size=${cowspace_size}..." + mkdir -p /run/archiso/cowspace + mount -t tmpfs -o "size=${cowspace_size}",mode=0755 cowspace /run/archiso/cowspace + fi + mkdir -p "/run/archiso/cowspace/${cow_directory}" + + local aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size + while read aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size; do + [[ "${aitab_img#\#}" != "${aitab_img}" ]] && continue + [[ "${aitab_arch}" != "any" && "${aitab_arch}" != "${arch}" ]] && continue + if [[ "${aitab_fs_type}" != "none" ]]; then + _mnt_sfs "/run/archiso/bootmnt/${archisobasedir}/${aitab_arch}/${aitab_img}.fs.sfs" "/run/archiso/sfs/${aitab_img}" + _mnt_fs "/run/archiso/sfs/${aitab_img}/${aitab_img}.fs" "${newroot}" "${aitab_mnt}" + else + _mnt_sfs "/run/archiso/bootmnt/${archisobasedir}/${aitab_arch}/${aitab_img}.sfs" "${newroot}${aitab_mnt}" + fi + done < "${aitab}" + + if [[ "${copytoram}" == "y" ]]; then + umount /run/archiso/bootmnt + fi +} + +# vim:ft=sh:ts=4:sw=4:et: diff --git a/hooks/archiso_loop_mnt b/hooks/archiso_loop_mnt new file mode 100644 index 0000000..a02cfac --- /dev/null +++ b/hooks/archiso_loop_mnt @@ -0,0 +1,32 @@ +# vim: set ft=sh: + +run_hook () { + [[ -n "${img_label}" ]] && img_dev="/dev/disk/by-label/${img_label}" + if [[ -n "${img_dev}" && -n "${img_loop}" ]]; then + mount_handler="archiso_loop_mount_handler" + fi +} + +archiso_loop_mount_handler () { + newroot="${1}" + + local _dev_loop + + msg ":: Setup a loop device from ${img_loop} located at device ${img_dev}" + _mnt_dev "${img_dev}" "/run/archiso/img_dev" "-r" + if [[ "${copytoram}" != "y" ]]; then + echo $(readlink -f ${img_dev}) >> /run/archiso/used_block_devices + fi + + if ! _dev_loop=$(losetup --find --show --read-only "/run/archiso/img_dev/${img_loop}"); then + echo "ERROR: Setting loopback device for file '/run/archiso/img_dev/${img_loop}'" + launch_interactive_shell + fi + + archiso_mount_handler ${newroot} + + if [[ "${copytoram}" == "y" ]]; then + losetup -d ${_dev_loop} + umount /run/archiso/img_dev + fi +} diff --git a/hooks/archiso_pxe_common b/hooks/archiso_pxe_common new file mode 100644 index 0000000..d8ac709 --- /dev/null +++ b/hooks/archiso_pxe_common @@ -0,0 +1,50 @@ +# vim: set ft=sh: + +run_hook () { + local i net_mac bootif_mac bootif_dev + # These variables will be parsed from /tmp/net-*.conf generated by ipconfig + local DEVICE + local IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY IPV4DNS0 IPV4DNS1 + local HOSTNAME DNSDOMAIN NISDOMAIN ROOTSERVER ROOTPATH + local filename + # /tmp/net-*.conf + + if [[ -n "${ip}" ]]; then + if [[ -n "${BOOTIF}" ]]; then + bootif_mac=${BOOTIF#01-} + bootif_mac=${bootif_mac//-/:} + for i in /sys/class/net/*/address; do + read net_mac < ${i} + if [[ "${bootif_mac}" == "${net_mac}" ]]; then + bootif_dev=${i#/sys/class/net/} + bootif_dev=${bootif_dev%/address} + break + fi + done + ip="${ip}::${bootif_dev}" + fi + + # setup network and save some values + ipconfig "ip=${ip}" + + . /tmp/net-*.conf + + pxeserver=${ROOTSERVER} + + # setup DNS resolver + if [[ "${IPV4DNS0}" != "0.0.0.0" ]]; then + echo "nameserver ${IPV4DNS0}" > /etc/resolv.conf + fi + if [[ "${IPV4DNS1}" != "0.0.0.0" ]]; then + echo "nameserver ${IPV4DNS1}" >> /etc/resolv.conf + fi + fi +} + +run_latehook () { + [[ -z "${copy_resolvconf}" ]] && copy_resolvconf="y" + + if [[ "${copy_resolvconf}" != "n" && -f /etc/resolv.conf ]]; then + cp /etc/resolv.conf /new_root/etc/resolv.conf + fi +} diff --git a/hooks/archiso_pxe_http b/hooks/archiso_pxe_http new file mode 100644 index 0000000..32e8ab0 --- /dev/null +++ b/hooks/archiso_pxe_http @@ -0,0 +1,61 @@ +# vim: set ft=sh: + +run_hook() { + if [[ -n "${ip}" && -n "${archiso_http_srv}" ]]; then + + archiso_http_srv=$(eval echo ${archiso_http_srv}) + [[ -z "${archiso_http_spc}" ]] && archiso_http_spc="75%" + + mount_handler="archiso_pxe_http_mount_handler" + fi +} + +# Fetch a file with CURL +# +# $1 URL +# $2 Destination directory inside httpspace/${archisobasedir} +_curl_get() { + local _url="${1}" + local _dst="${2}" + + msg ":: Downloading '${_url}'" + if ! curl -L -f -o "/run/archiso/httpspace/${archisobasedir}${_dst}/${_url##*/}" --create-dirs "${_url}"; then + echo "ERROR: Downloading '${_url}'" + echo " Falling back to interactive prompt" + echo " You can try to fix the problem manually, log out when you are finished" + launch_interactive_shell + fi +} + +archiso_pxe_http_mount_handler () { + newroot="${1}" + + msg ":: Mounting /run/archiso/httpspace (tmpfs) filesystem, size='${archiso_http_spc}'" + mkdir -p "/run/archiso/httpspace" + mount -t tmpfs -o size="${archiso_http_spc}",mode=0755 httpspace "/run/archiso/httpspace" + + local _aitab_url="${archiso_http_srv}${aitab#/run/archiso/bootmnt/}" + local _aitab_file="/run/archiso/httpspace/${aitab#/run/archiso/bootmnt/}" + + _curl_get "${_aitab_url}" "/" + + local aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size + while read aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size; do + [[ "${aitab_img#\#}" != "${aitab_img}" ]] && continue + [[ "${aitab_arch}" != "any" && "${aitab_arch}" != "${arch}" ]] && continue + if [[ "${aitab_fs_type}" != "none" ]]; then + _curl_get "${archiso_http_srv}${archisobasedir}/${aitab_arch}/${aitab_img}.fs.sfs" "/${aitab_arch}" + else + _curl_get "${archiso_http_srv}${archisobasedir}/${aitab_arch}/${aitab_img}.sfs" "/${aitab_arch}" + fi + done < "${_aitab_file}" + + if [[ "${checksum}" == "y" ]]; then + _curl_get "${archiso_http_srv}${archisobasedir}/checksum.${arch}.md5" "/" + fi + + mkdir -p "/run/archiso/bootmnt" + mount -o bind /run/archiso/httpspace /run/archiso/bootmnt + + archiso_mount_handler ${newroot} +} diff --git a/hooks/archiso_pxe_nbd b/hooks/archiso_pxe_nbd new file mode 100644 index 0000000..a9f84d5 --- /dev/null +++ b/hooks/archiso_pxe_nbd @@ -0,0 +1,37 @@ +# vim: set ft=sh: + +run_hook() { + if [[ -n "${ip}" && -n "${archiso_nbd_srv}" ]]; then + + archiso_nbd_srv=$(eval echo ${archiso_nbd_srv}) + [[ -z "${archiso_nbd_name}" ]] && archiso_nbd_name="archiso" + + mount_handler="archiso_pxe_nbd_mount_handler" + fi +} + +archiso_pxe_nbd_mount_handler () { + newroot="${1}" + + # Module autoloading like with loop devices does not work, doing manually... + modprobe nbd 2> /dev/null + + msg ":: Waiting for boot device..." + while ! poll_device /dev/nbd0 30; do + echo "ERROR: boot device didn't show up after 30 seconds..." + echo " Falling back to interactive prompt" + echo " You can try to fix the problem manually, log out when you are finished" + launch_interactive_shell + done + + msg ":: Setup NBD from ${archiso_nbd_srv} at /dev/nbd0" + nbd-client ${archiso_nbd_srv} -N ${archiso_nbd_name} /dev/nbd0 + + copytoram="y" + archisodevice=/dev/nbd0 + + archiso_mount_handler ${newroot} + + msg ":: Disconnect NBD from ${archiso_nbd_srv} at /dev/nbd0" + nbd-client -d /dev/nbd0 +} diff --git a/hooks/archiso_pxe_nfs b/hooks/archiso_pxe_nfs new file mode 100644 index 0000000..ef41c01 --- /dev/null +++ b/hooks/archiso_pxe_nfs @@ -0,0 +1,27 @@ +# vim: set ft=sh: + +run_hook() { + if [[ -n "${ip}" && -n "${archiso_nfs_srv}" ]]; then + + archiso_nfs_srv=$(eval echo ${archiso_nfs_srv}) + [[ -n "${archiso_nfs_opt}" ]] && archiso_nfs_opt="-o ${archiso_nfs_opt}" + + mount_handler="archiso_nfs_mount_handler" + fi +} + +archiso_nfs_mount_handler() { + newroot="${1}" + mkdir -p "/run/archiso/bootmnt" + msg ":: Mounting '${archiso_nfs_srv}'" + # Do not put "${archiso_nfs_opt}" nfsmount fails! + if ! nfsmount ${archiso_nfs_opt} "${archiso_nfs_srv}" "/run/archiso/bootmnt"; then + echo "ERROR: Mounting '${archiso_nfs_srv}'" + echo " Falling back to interactive prompt" + echo " You can try to fix the problem manually, log out when you are finished" + launch_interactive_shell + fi + + copytoram="y" + archiso_mount_handler ${newroot} +} diff --git a/hooks/archiso_shutdown b/hooks/archiso_shutdown new file mode 100644 index 0000000..e50dedb --- /dev/null +++ b/hooks/archiso_shutdown @@ -0,0 +1,6 @@ +run_cleanuphook() { + rm -rf /usr/lib/modules + cp -ax / /run/initramfs +} + +# vim: set ft=sh ts=4 sw=4 et: |