[systemimager-commits] r4186 - trunk/initrd_source/skel/etc/init.d

[<ar...@sy...>]

Author: arighi
Date: 2007-08-17 09:06:05 -0500 (Fri, 17 Aug 2007)
New Revision: 4186

Modified:
   trunk/initrd_source/skel/etc/init.d/functions
Log:
- overrides: hanlde file overlaps in nodes that belong to more host groups

If a node belongs to more groups (defined by si_clusterconfig) sort the groups
by name in alphabetical order to distribute the overrides.

This means that in case of file overlaps the first hit wins: the node will
receive the file that is in the first group.

All the files that do not overlap will be distributed as a union of the groups.

Example:

group: Login   = node001,node002 (override Login)
group: Storage = node001,node003 (override RHEL4_Storage)

Suppose to have the following files into the overrides "Login" and
"RH4_Storage":

/var/lib/systemimager/overrides/Login/etc/hosts
/var/lib/systemimager/overrides/Login/etc/passwd
/var/lib/systemimager/overrides/Login/etc/group
/var/lib/systemimager/overrides/Login/etc/shadow
/var/lib/systemimager/overrides/RH4_Storage/etc/hosts
/var/lib/systemimager/overrides/RH4_Storage/etc/profile

During the overrides distribution (at the end of the imaging) node001 will
receive the following files:

/var/lib/systemimager/overrides/Login/etc/hosts -> /etc/hosts
/var/lib/systemimager/overrides/Login/etc/passwd -> /etc/passwd
/var/lib/systemimager/overrides/Login/etc/group  -> /etc/group
/var/lib/systemimager/overrides/Login/etc/shadow -> /etc/shadow
/var/lib/systemimager/overrides/RH4_Storage/etc/hosts (skipped)
/var/lib/systemimager/overrides/RH4_Storage/etc/profile -> /etc/profile


Modified: trunk/initrd_source/skel/etc/init.d/functions
===================================================================
--- trunk/initrd_source/skel/etc/init.d/functions	2007-08-17 14:00:12 UTC (rev 4185)
+++ trunk/initrd_source/skel/etc/init.d/functions	2007-08-17 14:06:05 UTC (rev 4186)
@@ -1253,7 +1253,7 @@
 #
 get_group_name() {
     [ -f ${SCRIPTS_DIR}/cluster.txt ] && \
-        GROUPNAMES=`grep ${HOSTNAME} ${SCRIPTS_DIR}/cluster.txt | cut -d: -f2 | tr "\n" ' '` 
+        GROUPNAMES=`grep ${HOSTNAME} ${SCRIPTS_DIR}/cluster.txt | cut -d: -f2 | sort -u | tr "\n" ' '` 
 }
 #
 ################################################################################