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authorJames Meyer <james.meyer@operamail.com>2012-08-07 17:37:34 (GMT)
committerJames Meyer <james.meyer@operamail.com>2012-08-07 17:37:34 (GMT)
commitf256562a1694548609d6437f06d62a8b092a5330 (patch)
treeac6e4d98630f85028c8ad884d4b828a346964b56 /abs/core/mkinitcpio-nfs-utils/initcpio-hook-net
parent44e7607393e9b20430485092662790ecca3ebbf7 (diff)
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mkinitcpio-nfs-utils .3
Diffstat (limited to 'abs/core/mkinitcpio-nfs-utils/initcpio-hook-net')
-rw-r--r--abs/core/mkinitcpio-nfs-utils/initcpio-hook-net90
1 files changed, 90 insertions, 0 deletions
diff --git a/abs/core/mkinitcpio-nfs-utils/initcpio-hook-net b/abs/core/mkinitcpio-nfs-utils/initcpio-hook-net
new file mode 100644
index 0000000..4d1ebb9
--- /dev/null
+++ b/abs/core/mkinitcpio-nfs-utils/initcpio-hook-net
@@ -0,0 +1,90 @@
+# vim: set ft=sh:
+run_hook() {
+ local line i net_mac bootif_mac bootif_dev defaultrootpath defaultserver
+ # 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 [ -z "${ip}" -a -n "${nfsaddrs}" ]; then
+ ip="${nfsaddrs}"
+ fi
+
+ if [ -n "${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}"
+
+ for conf in /tmp/net-*.conf; do
+ [ -f "$conf" ] && . "$conf"
+ done
+
+ # calculate nfs_server, nfs_path and nfs_option for later nfs mount
+ if [ "${root}" = "/dev/nfs" -o "${nfsroot}" != "" ]; then
+ # parse ROOTPATH if defined by dhcp server
+ if [ -n "${ROOTPATH}" ]; then
+ line="${ROOTPATH}"
+ nfs_server="${line%%:*}"
+ [ "${nfs_server}" = "${line}" ] && nfs_server="${ROOTSERVER}"
+ defaultserver="${nfs_server}"
+ line="${line#*:}"
+ nfs_path="${line}"
+ defaultrootpath="${nfs_path}"
+ else
+ # define a default ROOTPATH
+ if [ "${ROOTPATH}" = "" ]; then
+ defaultrootpath="/tftpboot/${IPV4ADDR}"
+ fi
+ fi
+
+ # parse nfsroot if present (overrides ROOTPATH)
+ if [ -n "${nfsroot}" ]; then
+ line="${nfsroot}"
+ nfs_server="${line%%:*}"
+ [ -z "${nfs_server}" ] && nfs_server="${defaultserver}"
+ line="${line#*:}"
+ nfs_path="${line%%,*}"
+ line="${line#"${nfs_path}"}"
+ [ -z "${nfs_path}" ] && nfs_path="${defaultrootpath}"
+ nfs_option="${line#","}"
+ fi
+
+ # ensure root and filesystem type are set proper for nfs boot
+ root="/dev/nfs"
+ rootfstype="nfs"
+
+ echo "NFS-Mount: ${nfs_server}:${nfs_path}"
+
+ # set mount handler for NFS
+ mount_handler="nfs_mount_handler"
+ fi
+ fi
+}
+
+nfs_mount_handler() {
+ if [ -z "$nfs_server" -o -z "$nfs_path" ]; then
+ err "Unable to mount root filesystem over NFS: wrong parameters."
+ echo "You are being dropped to a recovery shell"
+ echo " Type 'exit' to try and continue booting"
+ launch_interactive_shell
+ msg "Trying to continue (this will most likely fail) ..."
+ fi
+ nfsmount ${nfs_option:+-o ${nfs_option}} "${nfs_server}:${nfs_path}" "$1"
+}
+
+# vim: set ft=sh ts=4 sw=4 et: