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