X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/blobdiff_plain/2125e869604558b82c61dfc788400a9a29fcc791..7ab93691b4b6a45e99f78b37796413c5f24629a4:/code/main.py

diff --git a/code/main.py b/code/main.py
index 91ce41f..8506ee5 100755
--- a/code/main.py
+++ b/code/main.py
@@ -6,6 +6,7 @@ import cPickle
 import cgi
 import datetime
 import hmac
+import random
 import sha
 import simplejson
 import sys
@@ -33,12 +34,22 @@ if __name__ == '__main__':
 
 import templates
 from Cheetah.Template import Template
-import sipb_xen_database
-from sipb_xen_database import Machine, CDROM, ctx, connect, MachineAccess, Type, Autoinstall
 import validation
 import cache_acls
 from webcommon import InvalidInput, CodeError, State
 import controls
+from getafsgroups import getAfsGroupMembers
+import sipb_xen_database as database
+from sipb_xen_database import Machine, CDROM, ctx, connect, MachineAccess, Type, Autoinstall
+from invirt.config import structs as config
+
+def pathSplit(path):
+    if path.startswith('/'):
+        path = path[1:]
+    i = path.find('/')
+    if i == -1:
+        i = len(path)
+    return path[:i], path[i:]
 
 class Checkpoint:
     def __init__(self):
@@ -73,7 +84,7 @@ def makeErrorPre(old, addition):
     else:
         return '<p>STDERR:</p><pre>' + str(addition) + '</pre>'
 
-Template.sipb_xen_database = sipb_xen_database
+Template.database = database
 Template.helppopup = staticmethod(helppopup)
 Template.err = None
 
@@ -141,7 +152,7 @@ def parseCreate(username, state, fields):
                 cdrom=getattr(validate, 'cdrom', None),
                 autoinstall=getattr(validate, 'autoinstall', None))
 
-def create(username, state, fields):
+def create(username, state, path, fields):
     """Handler for create requests."""
     try:
         parsed_fields = parseCreate(username, state, fields)
@@ -204,14 +215,14 @@ def getListDict(username, state):
              can_clone=can_clone)
     return d
 
-def listVms(username, state, fields):
+def listVms(username, state, path, fields):
     """Handler for list requests."""
     checkpoint.checkpoint('Getting list dict')
     d = getListDict(username, state)
     checkpoint.checkpoint('Got list dict')
     return templates.list(searchList=[d])
 
-def vnc(username, state, fields):
+def vnc(username, state, path, fields):
     """VNC applet page.
 
     Note that due to same-domain restrictions, the applet connects to
@@ -245,6 +256,11 @@ def vnc(username, state, fields):
     token = {'data': pickled_data, 'digest': m.digest()}
     token = cPickle.dumps(token)
     token = base64.urlsafe_b64encode(token)
+    host = controls.listHost(machine)
+    if host:
+        port = 10003 + [h.hostname for h in config.hosts].index(host)
+    else:
+        port = 5900 # dummy
 
     status = controls.statusInfo(machine)
     has_vnc = hasVnc(status)
@@ -254,6 +270,7 @@ def vnc(username, state, fields):
              has_vnc=has_vnc,
              machine=machine,
              hostname=state.environ.get('SERVER_NAME', 'localhost'),
+             port=port,
              authtoken=token)
     return templates.vnc(searchList=[d])
 
@@ -265,7 +282,7 @@ def getHostname(nic):
     if nic.hostname and '.' in nic.hostname:
         return nic.hostname
     elif nic.machine:
-        return nic.machine.name + '.xvm.mit.edu'
+        return nic.machine.name + '.' + config.dns.domains[0]
     else:
         return None
 
@@ -308,7 +325,7 @@ def getDiskInfo(data_dict, machine):
         data_dict['%s_size' % name] = "%0.1f GiB" % (disk.size / 1024.)
     return disk_fields
 
-def command(username, state, fields):
+def command(username, state, path, fields):
     """Handler for running commands like boot and delete on a VM."""
     back = fields.getfirst('back')
     try:
@@ -332,7 +349,7 @@ def command(username, state, fields):
     elif back == 'info':
         machine = validation.Validate(username, state, machine_id=fields.getfirst('machine_id')).machine
         return ({'Status': '303 See Other',
-                 'Location': '/info?machine_id=%d' % machine.machine_id},
+                 'Location': 'info?machine_id=%d' % machine.machine_id},
                 "You shouldn't see this message.")
     else:
         raise InvalidInput('back', back, 'Not a known back page.')
@@ -394,7 +411,7 @@ def modifyDict(username, state, fields):
                 command="modify",
                 machine=machine)
 
-def modify(username, state, fields):
+def modify(username, state, path, fields):
     """Handler for modifying attributes of a machine."""
     try:
         modify_dict = modifyDict(username, state, fields)
@@ -414,7 +431,7 @@ def modify(username, state, fields):
     return templates.info(searchList=[info_dict])
 
 
-def helpHandler(username, state, fields):
+def helpHandler(username, state, path, fields):
     """Handler for help messages."""
     simple = fields.getfirst('simple')
     subjects = fields.getlist('subject')
@@ -422,8 +439,8 @@ def helpHandler(username, state, fields):
     help_mapping = {'ParaVM Console': """
 ParaVM machines do not support local console access over VNC.  To
 access the serial console of these machines, you can SSH with Kerberos
-to console.xvm.mit.edu, using the name of the machine as your
-username.""",
+to console.%s, using the name of the machine as your
+username.""" % config.dns.domains[0],
                     'HVM/ParaVM': """
 HVM machines use the virtualization features of the processor, while
 ParaVM machines use Xen's emulation of virtualization features.  You
@@ -465,7 +482,7 @@ console will suffer artifacts.
     return templates.help(searchList=[d])
 
 
-def badOperation(u, s, e):
+def badOperation(u, s, p, e):
     """Function called when accessing an unknown URI."""
     return ({'Status': '404 Not Found'}, 'Invalid operation.')
 
@@ -481,6 +498,7 @@ def infoDict(username, state, machine):
         cputime = None
     else:
         main_status = dict(status[1:])
+        main_status['host'] = controls.listHost(machine)
         start_time = float(main_status.get('start_time', 0))
         uptime = datetime.timedelta(seconds=int(time.time()-start_time))
         cpu_time_float = float(main_status.get('cpu_time', 0))
@@ -497,6 +515,7 @@ def infoDict(username, state, machine):
                       'NIC_INFO',
                       ('uptime', 'uptime'),
                       ('cputime', 'CPU usage'),
+                      ('host', 'Hosted on'),
                       ('memory', 'RAM'),
                       'DISK_INFO',
                       ('state', 'state (xen format)'),
@@ -564,18 +583,29 @@ def infoDict(username, state, machine):
              fields = fields)
     return d
 
-def info(username, state, fields):
+def info(username, state, path, fields):
     """Handler for info on a single VM."""
     machine = validation.Validate(username, state, machine_id=fields.getfirst('machine_id')).machine
     d = infoDict(username, state, machine)
     checkpoint.checkpoint('Got infodict')
     return templates.info(searchList=[d])
 
-def unauthFront(_, _2, fields):
+def unauthFront(_, _2, _3, fields):
     """Information for unauth'd users."""
     return templates.unauth(searchList=[{'simple' : True}])
 
-def throwError(_, __, ___):
+def overlord(username, state, path, fields):
+    if path == '':
+        return ({'Status': '303 See Other',
+                 'Location': 'overlord/'},
+                "You shouldn't see this message.")
+    if not username in getAfsGroupMembers('system:xvm', 'athena.mit.edu'):
+        raise InvalidInput('username', username, 'Not an overlord.')
+    newstate = State(username, overlord=True)
+    newstate.environ = state.environ
+    return handler(username, newstate, path, fields)
+
+def throwError(_, __, ___, ____):
     """Throw an error, to test the error-tracing mechanisms."""
     raise RuntimeError("test of the emergency broadcast system")
 
@@ -587,6 +617,7 @@ mapping = dict(list=listVms,
                create=create,
                help=helpHandler,
                unauth=unauthFront,
+               overlord=overlord,
                errortest=throwError)
 
 def printHeaders(headers):
@@ -598,13 +629,13 @@ def printHeaders(headers):
 def send_error_mail(subject, body):
     import subprocess
 
-    to = 'xvm@mit.edu'
+    to = config.web.errormail
     mail = """To: %s
-From: root@xvm.mit.edu
+From: root@%s
 Subject: %s
 
 %s
-""" % (to, subject, body)
+""" % (to, config.web.hostname, subject, body)
     p = subprocess.Popen(['/usr/sbin/sendmail', to], stdin=subprocess.PIPE)
     p.stdin.write(mail)
     p.stdin.close()
@@ -625,6 +656,14 @@ def getUser(environ):
     """Return the current user based on the SSL environment variables"""
     return environ.get('REMOTE_USER', None)
 
+def handler(username, state, path, fields):
+    operation, path = pathSplit(path)
+    if not operation:
+        operation = 'list'
+    print 'Starting', operation
+    fun = mapping.get(operation, badOperation)
+    return fun(username, state, path, fields)
+
 class App:
     def __init__(self, environ, start_response):
         self.environ = environ
@@ -634,28 +673,23 @@ class App:
         self.state = State(self.username)
         self.state.environ = environ
 
+        random.seed() #sigh
+
     def __iter__(self):
-        sipb_xen_database.clear_cache()
+        start_time = time.time()
+        database.clear_cache()
         sys.stderr = StringIO()
         fields = cgi.FieldStorage(fp=self.environ['wsgi.input'], environ=self.environ)
         operation = self.environ.get('PATH_INFO', '')
         if not operation:
-            self.start("301 Moved Permanently", [('Location',
-                                                  self.environ['SCRIPT_NAME']+'/')])
+            self.start("301 Moved Permanently", [('Location', './')])
             return
         if self.username is None:
             operation = 'unauth'
-        if operation.startswith('/'):
-            operation = operation[1:]
-        if not operation:
-            operation = 'list'
-        print 'Starting', operation
 
-        start_time = time.time()
-        fun = mapping.get(operation, badOperation)
         try:
             checkpoint.checkpoint('Before')
-            output = fun(self.username, self.state, fields)
+            output = handler(self.username, self.state, operation, fields)
             checkpoint.checkpoint('After')
 
             headers = dict(DEFAULT_HEADERS)
@@ -664,14 +698,12 @@ class App:
                 headers.update(new_headers)
             e = revertStandardError()
             if e:
-                if isinstance(output, basestring):
-                    sys.stderr = StringIO()
-                    x = str(output)
-                    print >> sys.stderr, x
-                    print >> sys.stderr, 'XXX'
-                    print >> sys.stderr, e
-                    raise Exception()
-                output.addError(e)
+                if hasattr(output, 'addError'):
+                    output.addError(e)
+                else:
+                    # This only happens on redirects, so it'd be a pain to get
+                    # the message to the user.  Maybe in the response is useful.
+                    output = output + '\n\nstderr:\n' + e
             output_string =  str(output)
             checkpoint.checkpoint('output as a string')
         except Exception, err:
@@ -698,7 +730,7 @@ class App:
             yield '<pre>%s</pre>' % cgi.escape(str(checkpoint))
 
 def constructor():
-    connect('postgres://sipb-xen@sipb-xen-dev.mit.edu/sipb_xen')
+    connect()
     return App
 
 def main():