rename local repo snippet and add failover repo support

Change-Id: I12130fe0bc9b8f39d755495348546a308dd652d5

cobbler/kickstarts/default.ks

@@ -95,7 +95,8 @@ chkconfig ip6tables off
 
 $SNIPPET('kickstart_yum.conf')
 #if $getVar('local_repo', '') != ''
-    $SNIPPET('local_repo')
+    #set $kickstart_local_repo = "kickstart_%s" % $local_repo
+$SNIPPET($kickstart_local_repo)
 #end if
 $SNIPPET('kickstart_ssh')
 $SNIPPET('kickstart_ntp')

cobbler/snippets/kickstart_local_repo

@@ -1,21 +1,21 @@
-mkdir /tmp/backup
-mv /etc/yum.repos.d/* /tmp/backup
-
 cat << EOF > /etc/yum.repos.d/Compass.repo
 [compass_repo]
 name=Compass yum repo
 baseurl=$local_repo/compass_repo/
 enabled=1
 gpgcheck=0
+priority=1
+proxy=_none_
 EOF
 
-cat << EOF > /root/.gemrc
----
+cat << EOF > /etc/gemrc
+gem: --no-ri --no-rdoc
 :backtrace: false
 :benchmark: false
 :bulk_threshold: 1000
 :sources:
+- http://gems.rubyforge.org/
 - $local_repo/gem_repo/
 :update_sources: true
 :verbose: true
-EOF
+EOF