X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/blobdiff_plain/7633211e629493fd53f3f24762f34dc0ff46cfa4..72d59c7b46a21de59874b84c418a01073f55e139:/code/main.py
diff --git a/code/main.py b/code/main.py
index fdc2837..6dcb70d 100755
--- a/code/main.py
+++ b/code/main.py
@@ -6,7 +6,6 @@ import cPickle
import cgi
import datetime
import hmac
-import os
import sha
import simplejson
import sys
@@ -41,7 +40,7 @@ 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
+from webcommon import InvalidInput, CodeError, State
import controls
class Checkpoint:
@@ -144,7 +143,7 @@ def hasVnc(status):
def parseCreate(username, state, fields):
kws = dict([(kw, fields.getfirst(kw)) for kw in 'name owner memory disksize vmtype cdrom clone_from'.split()])
- validate = validation.Validate(username, state, **kws)
+ validate = validation.Validate(username, state, strict=True, **kws)
return dict(contact=username, name=validate.name, memory=validate.memory,
disksize=validate.disksize, owner=validate.owner, machine_type=validate.vmtype,
cdrom=getattr(validate, 'cdrom', None),
@@ -154,7 +153,7 @@ def create(username, state, fields):
"""Handler for create requests."""
try:
parsed_fields = parseCreate(username, state, fields)
- machine = controls.createVm(username, **parsed_fields)
+ machine = controls.createVm(username, state, **parsed_fields)
except InvalidInput, err:
pass
else:
@@ -262,7 +261,7 @@ def vnc(username, state, fields):
on=status,
has_vnc=has_vnc,
machine=machine,
- hostname=os.environ.get('SERVER_NAME', 'localhost'),
+ hostname=state.environ.get('SERVER_NAME', 'localhost'),
authtoken=token)
return templates.vnc(searchList=[d])
@@ -412,7 +411,7 @@ def modify(username, state, fields):
machine = modify_dict['machine']
result = 'Success!'
err = None
- info_dict = infoDict(username, machine)
+ info_dict = infoDict(username, state, machine)
info_dict['err'] = err
if err:
for field in fields.keys():
@@ -472,11 +471,11 @@ console will suffer artifacts.
return templates.help(searchList=[d])
-def badOperation(u, e):
+def badOperation(u, s, e):
"""Function called when accessing an unknown URI."""
raise CodeError("Unknown operation")
-def infoDict(username, machine):
+def infoDict(username, state, machine):
"""Get the variables used by info.tmpl."""
status = controls.statusInfo(machine)
checkpoint.checkpoint('Getting status info')
@@ -572,7 +571,7 @@ def infoDict(username, machine):
def info(username, state, fields):
"""Handler for info on a single VM."""
machine = validation.Validate(username, state, machine_id=fields.getfirst('machine_id')).machine
- d = infoDict(username, machine)
+ d = infoDict(username, state, machine)
checkpoint.checkpoint('Got infodict')
return templates.info(searchList=[d])
@@ -605,83 +604,89 @@ def getUser(environ):
return None
return email[:-8]
-def main(operation, username, state, fields):
- start_time = time.time()
- fun = mapping.get(operation, badOperation)
-
- if fun not in (helpHandler, ):
- connect('postgres://sipb-xen@sipb-xen-dev.mit.edu/sipb_xen')
- try:
- checkpoint.checkpoint('Before')
- output = fun(username, state, fields)
- checkpoint.checkpoint('After')
-
- headers = dict(DEFAULT_HEADERS)
- if isinstance(output, tuple):
- new_headers, output = output
- 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)
- printHeaders(headers)
- output_string = str(output)
- checkpoint.checkpoint('output as a string')
- print output_string
+class App:
+ def __init__(self, environ, start_response):
+ self.environ = environ
+ self.start = start_response
+
+ self.username = getUser(environ)
+ self.state = State(self.username)
+ self.state.environ = environ
+
+ def __iter__(self):
+ fields = cgi.FieldStorage(fp=self.environ['wsgi.input'], environ=self.environ)
+ print >> sys.stderr, fields
+ operation = self.environ.get('PATH_INFO', '')
+ if not operation:
+ self.start("301 Moved Permanently", [('Location',
+ self.environ['SCRIPT_NAME']+'/')])
+ 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)
+ checkpoint.checkpoint('After')
+
+ headers = dict(DEFAULT_HEADERS)
+ if isinstance(output, tuple):
+ new_headers, output = output
+ headers.update(new_headers)
+ print 'MOO2'
+ 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)
+ output_string = str(output)
+ checkpoint.checkpoint('output as a string')
+ except Exception, err:
+ if not fields.has_key('js'):
+ if isinstance(err, CodeError):
+ self.start('500 Internal Server Error', [('Content-Type', 'text/html')])
+ e = revertStandardError()
+ s = error(operation, self.username, fields, err, e)
+ yield str(s)
+ return
+ if isinstance(err, InvalidInput):
+ self.start('200 OK', [('Content-Type', 'text/html')])
+ e = revertStandardError()
+ yield str(invalidInput(operation, self.username, fields, err, e))
+ return
+ self.start('500 Internal Server Error', [('Content-Type', 'text/plain')])
+ import traceback
+ yield '''Uh-oh! We experienced an error.'
+Please email xvm-dev@mit.edu with the contents of this page.'
+----
+%s
+----
+%s
+----''' % (str(err), traceback.format_exc())
+ self.start('200 OK', headers.items())
+ yield output_string
if fields.has_key('timedebug'):
- print '%s
' % cgi.escape(checkpoint)
- except Exception, err:
- if not fields.has_key('js'):
- if isinstance(err, CodeError):
- print 'Content-Type: text/html\n'
- e = revertStandardError()
- print error(operation, state.username, fields, err, e)
- sys.exit(1)
- if isinstance(err, InvalidInput):
- print 'Content-Type: text/html\n'
- e = revertStandardError()
- print invalidInput(operation, state.username, fields, err, e)
- sys.exit(1)
- print 'Content-Type: text/plain\n'
- print 'Uh-oh! We experienced an error.'
- print 'Please email xvm-dev@mit.edu with the contents of this page.'
- print '----'
- e = revertStandardError()
- print e
- print '----'
- raise
+ yield '%s
' % cgi.escape(str(checkpoint))
+
+def constructor():
+ connect('postgres://sipb-xen@sipb-xen-dev.mit.edu/sipb_xen')
+ return App
+
+def main():
+ from flup.server.fcgi_fork import WSGIServer
+ WSGIServer(constructor()).run()
if __name__ == '__main__':
- fields = cgi.FieldStorage()
-
- if fields.has_key('sqldebug'):
- import logging
- logging.basicConfig()
- logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)
- logging.getLogger('sqlalchemy.orm.unitofwork').setLevel(logging.INFO)
-
- username = getUser(os.environ)
- state.username = username
- operation = os.environ.get('PATH_INFO', '')
- if not operation:
- print "Status: 301 Moved Permanently"
- print 'Location: ' + os.environ['SCRIPT_NAME']+'/\n'
- sys.exit(0)
- if username is None:
- operation = 'unauth'
- if operation.startswith('/'):
- operation = operation[1:]
- if not operation:
- operation = 'list'
-
- if os.getenv("SIPB_XEN_PROFILE"):
- import profile
- profile.run('main(operation, username, state, fields)', 'log-'+operation)
- else:
- main(operation, username, state, fields)
+ main()