[Xen-changelog] Add support in 'xm create' for spawning a vncviewer.

[BitKeeper Bot <riel@xxxxxxxxxxx>]

ChangeSet 1.1159.267.6, 2005/03/17 16:28:34+00:00, mjw@xxxxxxxxxxxxxxxxxxx

        Add support in 'xm create' for spawning a vncviewer.
        
        Signed-off-by: Mike Wray <mike.wray@xxxxxx>



 create.py |   30 ++++++++++++++++++++++++++++++
 1 files changed, 30 insertions(+)


diff -Nru a/tools/python/xen/xm/create.py b/tools/python/xen/xm/create.py
--- a/tools/python/xen/xm/create.py     2005-03-25 07:03:25 -05:00
+++ b/tools/python/xen/xm/create.py     2005-03-25 07:03:25 -05:00
@@ -5,6 +5,7 @@
 import random
 import string
 import sys
+import socket
 
 from xen.xend import sxp
 from xen.xend import PrettyPrint
@@ -81,6 +82,13 @@
           fn=set_true, default=0,
           use="Connect to the console after the domain is created.")
 
+gopts.opt('vnc', val='DISPLAY',
+          fn=set_int, default=None,
+          use="""Spawn a vncviewer listening for a vnc server in the domain.
+          The address of the vncviewer is passed to the domain on the kernel 
command
+          line using 'VNC_SERVER=<host>:<port>'. The port used by vnc is 5500 
+ DISPLAY.
+          """)
+
 gopts.var('name', val='NAME',
           fn=set_value, default=None,
           use="Domain name. Must be unique.")
@@ -415,6 +423,27 @@
         opts.err('Must set nfs root and nfs server')
     nfs = 'nfsroot=' + vals.nfs_server + ':' + vals.nfs_root
     vals.extra = nfs + ' ' + vals.extra
+
+
+def get_host_addr():
+    host = socket.gethostname()
+    addr = socket.gethostbyname(host)
+    return addr
+
+def spawn_vnc(display):
+    os.system("vncviewer -listen %d &" % display)
+    return 5500 + display
+    
+def preprocess_vnc(opts, vals):
+    """If vnc was specified, spawn a vncviewer in listen mode
+    and pass its address to the domain on the kernel command line.
+    """
+    if vals.vnc is None: return
+    vnc_host = get_host_addr()
+    vnc_port = spawn_vnc(vals.vnc)
+    if vnc_port > 0:
+        vnc = 'VNC_VIEWER=%s:%d' % (vnc_host, vnc_port)
+        vals.extra = vnc + ' ' + vals.extra
     
 def preprocess(opts, vals):
     if not vals.kernel:
@@ -424,6 +453,7 @@
     preprocess_vifs(opts, vals)
     preprocess_ip(opts, vals)
     preprocess_nfs(opts, vals)
+    preprocess_vnc(opts, vals)
          
 def make_domain(opts, config):
     """Create, build and start a domain.


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