From faf067f3761cfd290aa9aa3c69b896175dbaa5f9 Mon Sep 17 00:00:00 2001
From: Felix Endres
Date: Mon, 26 Feb 2007 00:15:41 +0000
Subject: First draft of function to stack the root fs from different sources
 with unionfs

git-svn-id: http://svn.openslx.org/svn/openslx/trunk@720 95ad53e4-c205-0410-b2fa-d234c58c8868
---
 initramfs/initrd-stuff/etc/functions | 40 ++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'initramfs/initrd-stuff/etc/functions')

diff --git a/initramfs/initrd-stuff/etc/functions b/initramfs/initrd-stuff/etc/functions
index a193fb59..bba03f4a 100644
--- a/initramfs/initrd-stuff/etc/functions
+++ b/initramfs/initrd-stuff/etc/functions
@@ -932,6 +932,46 @@ for i in boot.ld ${D_INITSCRIPTS}; do
   #ln -sf /etc${D_INITDIR}/$i /mnt/etc/${D_INITBOOTD}/K${revcnt}$i
 done
 }
+# This function gets an uri as parameter.
+# It will then try to mount this uri and add it to the union at /
+include_in_fsroot_union () {
+  ROOTFS=$1
+  srvproto=$(uri_token $ROOTFS prot)
+  case $srvproto in
+        nfs)
+          # nfsroot consists now of two different parts
+          root_path=/$(uri_token $ROOTFS path)
+          nfsserver=$(uri_token $ROOTFS server)
+          echo -e "NFS $ROOTFS parsed to $srvproto - $nfsserver - \
+$root_path" >> /tmp/felixtestlog
+          mkdir -p /mnt/tmp/rootunion
+          nfsmnt $nfsserver:$root_path /mnt/tmp/rootunion || error "Fehler beim mounten der zusatzunion (FIXME)"
+        ;;
+        *nbd)
+          nbdmod=$srvproto
+          # get settings for nbd-client, filesystem equals to path in URI
+          # notation
+          nbdhost=$(uri_token $ROOTFS server)
+          nbdport=$(uri_token $ROOTFS port)
+          nbdrfst=$(uri_token $ROOTFS path)
+          echo -e "(D)NBD $ROOTFS parsed to $srvproto - $nbdhost - \
+$nbdport - $nbdrfst" >> /tmp/felixtestlog
+          #FIXME: mount durchführen
+        ;;
+        aoe)
+          echo "Not implemented yet"
+        ;;
+        iscsi)
+          echo "Not implemented yet"
+          #iscsiserver=$(uri_token $ROOTFS server)
+          #iscsiport=$(uri_token $ROOTFS port)
+          #iscsitarget=$(uri_token $ROOTFS path)
+        ;;
+      esac
+  unionctl /mnt/ --add --after 1 --mode ro /mnt/tmp/rootunion
+  bash
+
+}
 
 # kdmrc template started from distro specific functions files
 config_kdm_template () {
-- 
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