91 lines
3.1 KiB
Bash
91 lines
3.1 KiB
Bash
# vim: set ft=sh:
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run_hook() {
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local line i net_mac bootif_mac bootif_dev defaultrootpath defaultserver
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# These variables will be parsed from /tmp/net-*.conf generated by ipconfig
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local DEVICE
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local IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY IPV4DNS0 IPV4DNS1
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local HOSTNAME DNSDOMAIN NISDOMAIN ROOTSERVER ROOTPATH
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local filename
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# /tmp/net-*.conf
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if [ -z "${ip}" -a -n "${nfsaddrs}" ]; then
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ip="${nfsaddrs}"
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fi
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if [ -n "${ip}" ]; then
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if [ -n "${BOOTIF}" ]; then
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bootif_mac=${BOOTIF#01-}
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bootif_mac=${bootif_mac//-/:}
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for i in /sys/class/net/*/address; do
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read net_mac < ${i}
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if [ "${bootif_mac}" == "${net_mac}" ]; then
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bootif_dev=${i#/sys/class/net/}
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bootif_dev=${bootif_dev%/address}
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break
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fi
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done
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ip="${ip}::${bootif_dev}"
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fi
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# setup network and save some values
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ipconfig "ip=${ip}"
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for conf in /tmp/net-*.conf; do
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[ -f "$conf" ] && . "$conf"
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done
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# calculate nfs_server, nfs_path and nfs_option for later nfs mount
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if [ "${root}" = "/dev/nfs" -o "${nfsroot}" != "" ]; then
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# parse ROOTPATH if defined by dhcp server
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if [ -n "${ROOTPATH}" ]; then
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line="${ROOTPATH}"
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nfs_server="${line%%:*}"
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[ "${nfs_server}" = "${line}" ] && nfs_server="${ROOTSERVER}"
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defaultserver="${nfs_server}"
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line="${line#*:}"
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nfs_path="${line}"
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defaultrootpath="${nfs_path}"
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else
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# define a default ROOTPATH
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if [ "${ROOTPATH}" = "" ]; then
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defaultrootpath="/tftpboot/${IPV4ADDR}"
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fi
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fi
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# parse nfsroot if present (overrides ROOTPATH)
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if [ -n "${nfsroot}" ]; then
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line="${nfsroot}"
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nfs_server="${line%%:*}"
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[ -z "${nfs_server}" ] && nfs_server="${defaultserver}"
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line="${line#*:}"
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nfs_path="${line%%,*}"
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line="${line#"${nfs_path}"}"
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[ -z "${nfs_path}" ] && nfs_path="${defaultrootpath}"
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nfs_option="${line#","}"
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fi
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# ensure root and filesystem type are set proper for nfs boot
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root="/dev/nfs"
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rootfstype="nfs"
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echo "NFS-Mount: ${nfs_server}:${nfs_path}"
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# set mount handler for NFS
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mount_handler="nfs_mount_handler"
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fi
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fi
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}
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nfs_mount_handler() {
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if [ -z "$nfs_server" -o -z "$nfs_path" ]; then
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err "Unable to mount root filesystem over NFS: wrong parameters."
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echo "You are being dropped to a recovery shell"
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echo " Type 'exit' to try and continue booting"
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launch_interactive_shell
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msg "Trying to continue (this will most likely fail) ..."
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fi
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nfsmount ${nfs_option:+-o ${nfs_option}} "${nfs_server}:${nfs_path}" "$1"
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}
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# vim: set ft=sh ts=4 sw=4 et:
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