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133 lines
4.3 KiB
133 lines
4.3 KiB
#!/bin/bash |
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# return value: |
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# 'nfs4': Only nfs4 founded |
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# 'nfs': nfs with version < 4 founded |
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# '': No nfs founded |
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get_nfs_type() { |
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local _nfs _nfs4 |
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for fs in "${host_fs_types[@]}"; do |
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[[ "$fs" == "nfs" ]] && _nfs=1 |
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[[ "$fs" == "nfs3" ]] && _nfs=1 |
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[[ "$fs" == "nfs4" ]] && _nfs4=1 |
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done |
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[[ "$_nfs" ]] && echo "nfs" && return |
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[[ "$_nfs4" ]] && echo "nfs4" && return |
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} |
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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 ]] || [[ $mount_needs ]] && { |
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[[ "$(get_nfs_type)" ]] && return 0 |
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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=$(optional_hostonly) instmods '=net/sunrpc' '=fs/nfs' ipv6 nfs_acl nfs_layout_nfsv41_files |
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} |
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cmdline() { |
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local nfs_device |
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local nfs_options |
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local nfs_root |
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local nfs_address |
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local lookup |
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### nfsroot= ### |
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nfs_device=$(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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[[ $nfs_address ]] || return |
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ip_params_for_remote_addr "$nfs_address" |
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} |
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# called by dracut |
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install() { |
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local _nsslibs |
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inst_multiple -o rpc.idmapd mount.nfs mount.nfs4 umount 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 [[ $hostonly_cmdline == "yes" ]]; then |
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local _netconf |
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_netconf="$(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 $dracutsysrootdir/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/\[NOTFOUND=return\]//' "$dracutsysrootdir"/etc/nsswitch.conf \ |
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| tr -s '[:space:]' '\n' | sort -u | tr -s '[:space:]' '|') |
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_nsslibs=${_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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# For strict hostonly, only install rpcbind for NFS < 4 |
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if [[ $hostonly_mode != "strict" ]] || [[ "$(get_nfs_type)" != "nfs4" ]]; then |
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inst_multiple -o portmap rpcbind rpc.statd |
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fi |
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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" |
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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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[ -d "/var/lib/nfs/statd/sm" ] && mkdir -m 0755 -p "$initdir/var/lib/nfs/statd/sm" |
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[ -d "/var/lib/nfs/sm" ] && mkdir -m 0755 -p "$initdir/var/lib/nfs/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:' "$dracutsysrootdir"/etc/passwd >> "$initdir/etc/passwd" |
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grep -E '^nogroup:|^rpc:|^nobody:' "$dracutsysrootdir"/etc/group >> "$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 "$initdir/var/lib/rpcbind" |
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grep -q '^rpc:' "$dracutsysrootdir"/etc/passwd \ |
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&& grep -q '^rpc:' "$dracutsysrootdir"/etc/group |
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dracut_need_initqueue |
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}
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