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Current Path : /usr/lib/dracut/modules.d/95nfs/ |
Current File : //usr/lib/dracut/modules.d/95nfs/module-setup.sh |
#!/bin/bash # called by dracut check() { # If our prerequisites are not met, fail anyways. require_any_binary rpcbind portmap || return 1 require_binaries rpc.statd mount.nfs mount.nfs4 umount || return 1 [[ $hostonly ]] || [[ $mount_needs ]] && { for fs in "${host_fs_types[@]}"; do [[ "$fs" == "nfs" ]] && return 0 [[ "$fs" == "nfs3" ]] && return 0 [[ "$fs" == "nfs4" ]] && return 0 done return 255 } return 0 } # called by dracut depends() { # We depend on network modules being loaded echo network } # called by dracut installkernel() { hostonly='' instmods =net/sunrpc =fs/nfs ipv6 nfs_acl nfs_layout_nfsv41_files } cmdline() { local nfs_device local nfs_options local nfs_root local nfs_address local lookup local ifname ### nfsroot= ### nfs_device=$(findmnt -t nfs4 -n -o SOURCE /) if [ -n "$nfs_device" ];then nfs_root="root=nfs4:$nfs_device" else nfs_device=$(findmnt -t nfs -n -o SOURCE /) [ -z "$nfs_device" ] && return nfs_root="root=nfs:$nfs_device" fi nfs_options=$(findmnt -t nfs4,nfs -n -o OPTIONS /) [ -n "$nfs_options" ] && nfs_root="$nfs_root:$nfs_options" echo "$nfs_root" ### ip= ### if [[ $nfs_device = [0-9]*\.[0-9]*\.[0-9]*.[0-9]* ]] || [[ $nfs_device = \[.*\] ]]; then nfs_address="${nfs_device%%:*}" else lookup=$(host "${nfs_device%%:*}"| grep " address " | head -n1) nfs_address=${lookup##* } fi ifname=$(ip -o route get to $nfs_address | sed -n 's/.*dev \([^ ]*\).*/\1/p') if [ -d /sys/class/net/$ifname/bonding ]; then dinfo "Found bonded interface '${ifname}'. Make sure to provide an appropriate 'bond=' cmdline." return elif [ -e /sys/class/net/$ifname/address ] ; then ifmac=$(cat /sys/class/net/$ifname/address) printf 'ifname=%s:%s ' ${ifname} ${ifmac} fi printf 'ip=%s:static\n' ${ifname} } # called by dracut install() { local _i local _nsslibs inst_multiple -o portmap rpcbind rpc.statd mount.nfs \ mount.nfs4 umount rpc.idmapd sed /etc/netconfig chmod "$tmpfilesdir/rpcbind.conf" inst_multiple /etc/services /etc/nsswitch.conf /etc/rpc /etc/protocols /etc/idmapd.conf if [[ $hostonly_cmdline == "yes" ]]; then local _netconf="$(cmdline)" [[ $_netconf ]] && printf "%s\n" "$_netconf" >> "${initdir}/etc/cmdline.d/95nfs.conf" fi if [ -f /lib/modprobe.d/nfs.conf ]; then inst_multiple /lib/modprobe.d/nfs.conf else [ -d $initdir/etc/modprobe.d/ ] || mkdir $initdir/etc/modprobe.d echo "alias nfs4 nfs" > $initdir/etc/modprobe.d/nfs.conf fi inst_libdir_file 'libnfsidmap_nsswitch.so*' 'libnfsidmap/*.so' 'libnfsidmap*.so*' _nsslibs=$(sed -e '/^#/d' -e 's/^.*://' -e 's/\[NOTFOUND=return\]//' /etc/nsswitch.conf \ | tr -s '[:space:]' '\n' | sort -u | tr -s '[:space:]' '|') _nsslibs=${_nsslibs#|} _nsslibs=${_nsslibs%|} inst_libdir_file -n "$_nsslibs" 'libnss_*.so*' inst_hook cmdline 90 "$moddir/parse-nfsroot.sh" inst_hook pre-udev 99 "$moddir/nfs-start-rpc.sh" inst_hook cleanup 99 "$moddir/nfsroot-cleanup.sh" inst "$moddir/nfsroot.sh" "/sbin/nfsroot" inst "$moddir/nfs-lib.sh" "/lib/nfs-lib.sh" mkdir -m 0755 -p "$initdir/var/lib/nfs/rpc_pipefs" mkdir -m 0770 -p "$initdir/var/lib/rpcbind" [ -d "$dracutsysrootdir/var/lib/nfs/statd/sm" ] && \ mkdir -m 0700 -p "$initdir/var/lib/nfs/statd" && \ mkdir -m 0755 -p "$initdir/var/lib/nfs/statd/sm" && \ chown -R rpcuser:rpcuser "$initdir/var/lib/nfs/statd" [ -d "$dracutsysrootdir/var/lib/nfs/sm" ] && \ mkdir -m 0755 -p "$initdir/var/lib/nfs/sm" && chown -R rpcuser:rpcuser "$initdir/var/lib/nfs/sm" # Rather than copy the passwd file in, just set a user for rpcbind # We'll save the state and restart the daemon from the root anyway grep -E '^nfsnobody:|^rpc:|^rpcuser:' /etc/passwd >> "$initdir/etc/passwd" grep -E '^nogroup:|^rpc:|^nobody:' /etc/group >> "$initdir/etc/group" # rpc user needs to be able to write to this directory to save the warmstart # file chmod 770 "$initdir/var/lib/rpcbind" grep -q '^rpc:' /etc/passwd \ && grep -q '^rpc:' /etc/group dracut_need_initqueue }