From eb9adb539fb47ab4b5c4e859cf119b554b9116cb Mon Sep 17 00:00:00 2001
From: Greg Price <price@mit.edu>
Date: Sun, 30 Mar 2008 04:28:10 -0400
Subject: [PATCH] expose cloning autoinstaller in web interface

svn path=/trunk/packages/sipb-xen-www/; revision=340
---
 code/controls.py         |    8 +++++++-
 code/main.py             |    7 ++++++-
 code/templates/list.tmpl |    6 ++++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/code/controls.py b/code/controls.py
index 7134668..b2c60d5 100644
--- a/code/controls.py
+++ b/code/controls.py
@@ -68,6 +68,10 @@ def makeDisks(machine):
     for disk in machine.disks:
         lvcreate(machine, disk)
 
+def lvcopy(machine_orig_name, machine, rootpw):
+    """Copy a golden image onto a machine's disk"""
+    remctl('web', 'lvcopy', machine_orig_name, machine.name, rootpw)
+
 def bootMachine(machine, cdtype):
     """Boot a machine with a given boot CD.
 
@@ -95,7 +99,7 @@ def unregisterMachine(machine):
     """Unregister a machine to not be controlled by the web interface"""
     remctl('web', 'unregister', machine.name)
 
-def createVm(owner, contact, name, memory, disk_size, is_hvm, cdrom):
+def createVm(owner, contact, name, memory, disk_size, is_hvm, cdrom, clone_from):
     """Create a VM and put it in the database"""
     # put stuff in the table
     transaction = ctx.current.create_transaction()
@@ -136,6 +140,8 @@ def createVm(owner, contact, name, memory, disk_size, is_hvm, cdrom):
         raise
     registerMachine(machine)
     makeDisks(machine)
+    if clone_from:
+        lvcopy(clone_from, machine, 'password')
     # tell it to boot with cdrom
     bootMachine(machine, cdrom)
     return machine
diff --git a/code/main.py b/code/main.py
index 31465f6..8bc9ece 100755
--- a/code/main.py
+++ b/code/main.py
@@ -159,8 +159,13 @@ def parseCreate(user, fields):
     cdrom = fields.getfirst('cdrom')
     if cdrom is not None and not CDROM.get(cdrom):
         raise CodeError("Invalid cdrom type '%s'" % cdrom)
+
+    clone_from = fields.getfirst('clone_from')
+    if clone_from and clone_from != 'ice3':
+        raise CodeError("Invalid clone image '%s'" % clone_from)
+    
     return dict(contact=user, name=name, memory=memory, disk_size=disk_size,
-                owner=owner, is_hvm=is_hvm, cdrom=cdrom)
+                owner=owner, is_hvm=is_hvm, cdrom=cdrom, clone_from=clone_from)
 
 def create(user, fields):
     """Handler for create requests."""
diff --git a/code/templates/list.tmpl b/code/templates/list.tmpl
index 6e06c53..b6e9e33 100644
--- a/code/templates/list.tmpl
+++ b/code/templates/list.tmpl
@@ -52,6 +52,12 @@ $errorRow('vmtype', $err)
 	</tr>
 $errorRow('cdrom', $err)
 	<tr>
+	  <td>Clone image?</td>
+	  <td><input type="checkbox" name="clone_from" value="ice3"/>
+	      (experimental; 1-2 minutes, and you have an etch machine; root pw is 'password'.)</td>
+	</tr>
+$errorRow('cdrom', $err)
+	<tr>
 	  <td>Owner</td>
 	  <td><input type="text" name="owner" value="$defaults.owner"/></td>
 	</tr>
-- 
1.7.9.5