From fb10bde9f190d465532c43e613b45fc80971c125 Mon Sep 17 00:00:00 2001
From: Kushal Das <kushaldas@gmail.com>
Date: Aug 06 2015 12:21:15 +0000
Subject: setup_instance function will setup a new instance.


---

diff --git a/computer/virt.py b/computer/virt.py
index 996d9a6..a963c37 100644
--- a/computer/virt.py
+++ b/computer/virt.py
@@ -1,4 +1,5 @@
 import os
+import time
 import subprocess
 
 def system(cmd):
@@ -54,3 +55,25 @@ def setup_instance_storage(image_name, instance_name, path='/var/lib/libvirt/ima
     return True, file_path
 
 
+def setup_instance(instance_name, storage_path, ram=1024, vcpus=1):
+    """
+    Sets up an instance, and boot it.
+
+    :param instance_name: Name of the instance.
+    :param storage_path: Path of the storage.
+    :param ram: RAM for the instance, default is 1024MB
+    :param vcpus: Default is one.
+    :return:
+    """
+
+    cmd = '/usr/bin/virt-install --connect qemu:///system --import -n {0} --nographics -r {1} --os-type=linux --disk {2},device=disk,bus=virtio,format=qcow2  --vcpus={3}'.format(instance_name, ram, storage_path, vcpus)
+    out, err, ret_code = system(cmd)
+    #TODO:
+    # Find out how to handle serial console in a better way.
+    if ret_code: # Installation failed.
+        return False
+
+    # When we are here, means the system booted properly.
+    return True
+
+