CLOUDSTACK-1340: Fix path issues in postinstall.sh, zerodisk on all partitions

Signed-off-by: Rohit Yadav <bhaisaab@apache.org>

tools/appliance/definitions/systemvmtemplate/postinstall.sh

@@ -91,7 +91,7 @@ EOF
 
 fix_inittab() {
   # Fix inittab
-  cat >> etc/inittab << EOF
+  cat >> /etc/inittab << EOF
 
 vc:2345:respawn:/sbin/getty 38400 hvc0
 EOF
@@ -99,16 +99,16 @@ EOF
 
 fix_acpid() {
   # Fix acpid
-  mkdir -p etc/acpi/events
-  cat >> etc/acpi/events/power << EOF
+  mkdir -p /etc/acpi/events
+  cat >> /etc/acpi/events/power << EOF
 event=button/power.*
 action=/usr/local/sbin/power.sh "%e"
 EOF
-  cat >> usr/local/sbin/power.sh << EOF
+  cat >> /usr/local/sbin/power.sh << EOF
 #!/bin/bash
 /sbin/poweroff
 EOF
-  chmod a+x usr/local/sbin/power.sh
+  chmod a+x /usr/local/sbin/power.sh
 }
 
 fix_hostname() {
@@ -149,8 +149,8 @@ configure_services() {
 
   # Get config files from master
   snapshot_url="https://git-wip-us.apache.org/repos/asf?p=incubator-cloudstack.git;a=snapshot;h=HEAD;sf=tgz"
-  snapshot_dir="/tmp/incubator-cloudstack*"
-  cd /tmp
+  snapshot_dir="/opt/incubator-cloudstack*"
+  cd /opt
   wget $snapshot_url -O cloudstack.tar.gz
   tar -zxvf cloudstack.tar.gz
   cp -rv $snapshot_dir/patches/systemvm/debian/config/* /

tools/appliance/definitions/systemvmtemplate/zerodisk.sh

@@ -1,8 +1,10 @@
-#clean up stuff copied in by veewee
+# Clean up stuff copied in by veewee
 rm -f /root/*
 
 # Zero out the free space to save space in the final image:
-dd if=/dev/zero of=/EMPTY bs=1M
-sync
-rm -f /EMPTY
-
+for path in / /boot /usr /var /opt /tmp
+do
+  dd if=/dev/zero of=$path/zero bs=1M
+  sync
+  rm -f $i/zero
+done