Add pre-install scripts

These scripts transform vanilla Ubuntu 12.04 to deploy-ready snapshot

Change-Id: I8deb909682ced7505687313b7665467d1c8f7c51

bin/pre_install_ovs.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+## Install Open vSwitch. This file is translated from
+## cookbook/openvswitch/recipes/default.
+
+# dependencies
+sudo apt-get -y install build-essential \
+    git \
+    autoconf \
+    python-simplejson \
+    python-qt4 \
+    python-twisted-conch \
+    uml-utilities \
+    libtool \
+    pkg-config
+
+sudo mkdir -p /opt/openvswitch
+sudo chmod 00755 /opt/openvswitch
+sudo chown root:root /opt/openvswitch
+
+sudo mkdir -p /etc/openvswitch
+sudo chmod 00755 /etc/openvswitch
+sudo chown root:root /opt/openvswitch
+
+sudo chmod a+w /opt/openvswitch
+cd /opt/openvswitch
+git clone git://openvswitch.org/openvswitch
+cd openvswitch
+git checkout 3b6f2889400fd340b851c2d36356457559ae6e81
+./boot.sh
+./configure --with-linux=/lib/modules/`uname -r`/build \
+    --prefix=/usr --localstatedir=/var # default to these libraries
+make -j
+sudo make install
+sudo ovsdb-tool create /etc/openvswitch/conf.db \
+    vswitchd/vswitch.ovsschema
+
+echo "start on (filesystem and net-device-up)
+stop on runlevel [016]
+
+# Automatically restart process if crashed
+respawn
+
+# Essentially lets upstart know the process will detach itself to the background
+expect fork
+
+pre-start script
+  /sbin/insmod /opt/openvswitch/openvswitch/datapath/linux/openvswitch.ko
+  mkdir -p /var/run/openvswitch/
+end script
+
+script
+  exec /usr/sbin/ovsdb-server /etc/openvswitch/conf.db \\
+        --remote=punix:/var/run/openvswitch/db.sock \\
+        --remote=db:Open_vSwitch,manager_options \\
+        --private-key=db:SSL,private_key \\
+        --certificate=db:SSL,certificate \\
+        --bootstrap-ca-cert=db:SSL,ca_cert --pidfile --detach --log-file
+end script
+
+# seems main script only allows one daemon, so we move another
+# daemon(s) to post-start and pre-stop
+post-start script
+  exec /usr/sbin/ovs-vswitchd --pidfile --detach
+end script
+
+pre-stop script
+  exec killall -9 ovs-vswitchd
+end script
+
+post-stop script
+  /sbin/rmmod openvswitch
+end script
+" | sudo tee /etc/init/openvswitch.conf
+sudo chmod 00755 /etc/init/openvswitch.conf
+sudo chown root:root /opt/openvswitch
+sudo service openvswitch start

bin/pre_virtual_to_generic.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+## Switch kernel from virtual to generic, for vanilla Ubuntu 12.04
+## image launched instance.
+
+# routine
+sudo apt-get -y update
+sudo apt-get -y upgrade
+
+# install generic and reomve virtual kernel
+sudo apt-get -y install linux-generic
+sudo apt-get -y purge linux-virtual
+
+# cleanup
+sudo apt-get -y autoremove
+sudo apt-get -y autoclean
+
+# reboot
+sudo reboot