add ipv6 rpc.idmapd and various conf files for NFS

rpcbind on Fedora does not seem work for NFS4 without IPv6

modules.d/95nfs/install

@@ -1,10 +1,19 @@
 #!/bin/sh
 dracut_install rpcbind rpc.statd mount.nfs mount.nfs4 umount 
-dracut_install /etc/netconfig /etc/passwd /etc/services
+dracut_install /etc/netconfig /etc/passwd /etc/services 
+dracut_install /etc/nsswitch.conf /etc/rpc /etc/protocols
 dracut_install rpc.idmapd /etc/idmapd.conf
+if ldd $(which rpc.idmapd) |grep -q lib64; then
+    LIBDIR="/lib64"
+else
+    LIBDIR="/lib"
+fi
+
+dracut_install $(ls {/usr,}$LIBDIR/libnfsidmap*.so* 2>/dev/null )
+dracut_install $(ls {/usr,}$LIBDIR/libnss*.so 2>/dev/null)
 dracut_install grep
 
-instmods nfs sunrpc
+instmods nfs sunrpc ipv6
 inst_hook cmdline 90 "$moddir/parse-nfsroot.sh"
 inst_hook netroot 90 "$moddir/nfs-netroot.sh"
 inst_hook pre-pivot 70 "$moddir/nfsroot-cleanup.sh"

modules.d/95nfs/nfsroot-cleanup.sh

@@ -1,6 +1,9 @@
 pid=$(pidof rpc.statd)
 [ -n "$pid" ] && kill $pid
 
+pid=$(pidof rpc.idmapd)
+[ -n "$pid" ] && kill $pid
+
 pid=$(pidof rpcbind)
 [ -n "$pid" ] && kill $pid
 

test/TEST-20-NFS/server-init

@@ -21,10 +21,13 @@ mount -t nfsd nfsd /proc/fs/nfsd
 exportfs -r
 rpc.nfsd
 rpc.mountd
+rpc.idmapd
+exportfs -r
 >/var/lib/dhcpd/dhcpd.leases
 dhcpd -cf /etc/dhcpd.conf
 #sh -i
 # Wait forever for the VM to die
+echo "Serving NFS mounts"
 while sleep 60; do sleep 60; done
 mount -n -o remount,ro /
 poweroff -f

test/TEST-20-NFS/test.sh

@@ -228,7 +228,7 @@ test_run() {
 
 test_setup() {
     # Make server root
-    dd if=/dev/zero of=server.ext2 bs=1M count=30
+    dd if=/dev/zero of=server.ext2 bs=1M count=60
     mke2fs -F server.ext2
     mkdir mnt
     sudo mount -o loop server.ext2 mnt
@@ -241,11 +241,21 @@ test_setup() {
 	    /lib/terminfo/l/linux dmesg mkdir cp ping exportfs \
 	    rpcbind modprobe rpc.nfsd rpc.mountd dhcpd showmount tcpdump \
 	    /etc/netconfig /etc/services sleep mount
-	instmods nfsd sunrpc
+	instmods nfsd sunrpc ipv6
 	inst ./server-init /sbin/init
 	inst ./hosts /etc/hosts
 	inst ./exports /etc/exports
 	inst ./dhcpd.conf /etc/dhcpd.conf
+	dracut_install /etc/nsswitch.conf /etc/rpc /etc/protocols
+	dracut_install rpc.idmapd /etc/idmapd.conf
+	if ldd $(which rpc.idmapd) |grep -q lib64; then
+	    LIBDIR="/lib64"
+	else
+	    LIBDIR="/lib"
+	fi
+
+	dracut_install $(ls {/usr,}$LIBDIR/libnfsidmap*.so* 2>/dev/null )
+	dracut_install $(ls {/usr,}$LIBDIR/libnss*.so 2>/dev/null)
 	(
 	    cd "$initdir";
 	    mkdir -p dev sys proc etc var/run tmp var/lib/{dhcpd,rpcbind}