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-rw-r--r--archiso/initcpio/hooks/archiso198
-rw-r--r--archiso/initcpio/hooks/archiso_loop_mnt32
-rw-r--r--archiso/initcpio/hooks/archiso_pxe_common50
-rw-r--r--archiso/initcpio/hooks/archiso_pxe_http61
-rw-r--r--archiso/initcpio/hooks/archiso_pxe_nbd37
-rw-r--r--archiso/initcpio/hooks/archiso_pxe_nfs27
-rw-r--r--archiso/initcpio/hooks/archiso_shutdown6
7 files changed, 411 insertions, 0 deletions
diff --git a/archiso/initcpio/hooks/archiso b/archiso/initcpio/hooks/archiso
new file mode 100644
index 0000000..9445498
--- /dev/null
+++ b/archiso/initcpio/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 [[ "${copytoram}" == "y" ]]; then
+ umount /run/archiso/bootmnt
+ fi
+}
+
+# vim:ft=sh:ts=4:sw=4:et:
diff --git a/archiso/initcpio/hooks/archiso_loop_mnt b/archiso/initcpio/hooks/archiso_loop_mnt
new file mode 100644
index 0000000..a02cfac
--- /dev/null
+++ b/archiso/initcpio/hooks/archiso_loop_mnt
@@ -0,0 +1,32 @@
+# vim: set ft=sh:
+
+run_hook () {
+ [[ -n "${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 ${_dev_loop}
+ umount /run/archiso/img_dev
+ fi
+}
diff --git a/archiso/initcpio/hooks/archiso_pxe_common b/archiso/initcpio/hooks/archiso_pxe_common
new file mode 100644
index 0000000..d8ac709
--- /dev/null
+++ b/archiso/initcpio/hooks/archiso_pxe_common
@@ -0,0 +1,50 @@
+# vim: set ft=sh:
+
+run_hook () {
+ local i net_mac bootif_mac bootif_dev
+ # These variables will be parsed from /tmp/net-*.conf generated by ipconfig
+ local DEVICE
+ local IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY IPV4DNS0 IPV4DNS1
+ local HOSTNAME DNSDOMAIN NISDOMAIN ROOTSERVER ROOTPATH
+ local filename
+ # /tmp/net-*.conf
+
+ if [[ -n "${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 [[ "${copy_resolvconf}" != "n" && -f /etc/resolv.conf ]]; then
+ cp /etc/resolv.conf /new_root/etc/resolv.conf
+ fi
+}
diff --git a/archiso/initcpio/hooks/archiso_pxe_http b/archiso/initcpio/hooks/archiso_pxe_http
new file mode 100644
index 0000000..32e8ab0
--- /dev/null
+++ b/archiso/initcpio/hooks/archiso_pxe_http
@@ -0,0 +1,61 @@
+# vim: set ft=sh:
+
+run_hook() {
+ if [[ -n "${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 ${newroot}
+}
diff --git a/archiso/initcpio/hooks/archiso_pxe_nbd b/archiso/initcpio/hooks/archiso_pxe_nbd
new file mode 100644
index 0000000..a9f84d5
--- /dev/null
+++ b/archiso/initcpio/hooks/archiso_pxe_nbd
@@ -0,0 +1,37 @@
+# vim: set ft=sh:
+
+run_hook() {
+ if [[ -n "${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 ${archiso_nbd_srv} at /dev/nbd0"
+ nbd-client -d /dev/nbd0
+}
diff --git a/archiso/initcpio/hooks/archiso_pxe_nfs b/archiso/initcpio/hooks/archiso_pxe_nfs
new file mode 100644
index 0000000..ef41c01
--- /dev/null
+++ b/archiso/initcpio/hooks/archiso_pxe_nfs
@@ -0,0 +1,27 @@
+# vim: set ft=sh:
+
+run_hook() {
+ if [[ -n "${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/archiso/initcpio/hooks/archiso_shutdown b/archiso/initcpio/hooks/archiso_shutdown
new file mode 100644
index 0000000..e50dedb
--- /dev/null
+++ b/archiso/initcpio/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:
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-22 13:44:33 +0000