75 lines
2.4 KiB
Diff
75 lines
2.4 KiB
Diff
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From 25e7640c04a687f7bbd3ac2416ea2f1fef122c48 Mon Sep 17 00:00:00 2001
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From: Thomas Renninger <trenn@suse.de>
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Date: Wed, 24 Sep 2014 17:23:32 +0200
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Subject: nfs: Add ip=... and root=nfs... parameters to internal dracut
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cmdline
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If the rootfs is an nfs mount, also know as nfsroot, add the correct
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parameter to the dracut cmdline.
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Signed-off-by: Thomas Renninger <trenn@suse.de>
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---
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modules.d/95nfs/module-setup.sh | 39 ++++++++++++++++++++++++++++++++++++++-
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1 files changed, 38 insertions(+), 1 deletions(-)
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diff --git a/modules.d/95nfs/module-setup.sh b/modules.d/95nfs/module-setup.sh
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index c126efc..b6ddb21 100755
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--- a/modules.d/95nfs/module-setup.sh
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+++ b/modules.d/95nfs/module-setup.sh
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@@ -31,14 +31,51 @@ installkernel() {
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hostonly='' instmods nfs sunrpc ipv6 nfsv2 nfsv3 nfsv4 nfs_acl nfs_layout_nfsv41_files lockd rpcsec_gss_krb5 auth_rpcgss
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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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+
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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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+
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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 $(echo ${nfs_device%%:*})| head -n1)
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+ nfs_address=${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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+ printf 'ip=%s:static\n' ${ifname}
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+}
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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
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+ mount.nfs4 umount rpc.idmapd sed /etc/netconfig host sed
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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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+
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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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--
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1.7.6.1
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