On 20.11.2014 15:57, Thomas Renninger wrote:
> cmdline
>
> If the rootfs is an nfs mount, also know as nfsroot, add the correct
> parameter to the dracut cmdline.
>
> Signed-off-by: Thomas Renninger <trenn@xxxxxxx>
> ---
> modules.d/95nfs/module-setup.sh | 46 ++++++++++++++++++++++++++++++++++++++---
> 1 file changed, 43 insertions(+), 3 deletions(-)
>
> diff --git a/modules.d/95nfs/module-setup.sh b/modules.d/95nfs/module-setup.sh
> index e1340b3..41c6ef7 100755
> --- a/modules.d/95nfs/module-setup.sh
> +++ b/modules.d/95nfs/module-setup.sh
> @@ -14,7 +14,6 @@ check() {
> done
> return 255
> }
> -
> return 0
> }
>
> @@ -29,14 +28,56 @@ installkernel() {
> instmods nfs sunrpc ipv6 nfsv2 nfsv3 nfsv4 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 $(echo ${nfs_device%%:*})| head -n1)
> + nfs_address=${lookup##* }
> + fi
> + ifname=$(ip -o route get to $nfs_address | sed -n 's/.*dev \([^ ]*\).*/\1/p')
> + if [ -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
> + mount.nfs4 umount rpc.idmapd sed /etc/netconfig host sed
Why "host" and "sed" ?? Just because it's used in cmdline() does not mean it
has to be installed in the initramfs?
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