portal/slicerequestview.py

   1 import json
   2 import time
   3 import re
   4
   5 from django.shortcuts           import render
   6 from django.shortcuts           import render_to_response
   7 from django.template                    import RequestContext
   8
   9 from unfold.page                import Page
  10
  11 from manifold.core.query        import Query
  12 from manifoldapi.manifoldapi    import execute_admin_query, execute_query
  13
  14 from portal.actions             import is_pi, create_slice, create_pending_slice, clear_user_creds, authority_check_pis, getAuthorities
  15 #from portal.forms               import SliceRequestForm
  16 from unfold.loginrequired       import LoginRequiredAutoLogoutView
  17 from ui.topmenu                 import topmenu_items_live, the_user
  18
  19 from myslice.theme import ThemeView
  20 from myslice.settings import logger
  21
  22 import activity.user
  23 theme = ThemeView()
  24
  25 class SliceRequestView (LoginRequiredAutoLogoutView, ThemeView):
  26     template_name = 'slicerequest_view.html'
  27
  28     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  29     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  30     def post (self, request):
  31         return self.get_or_post (request, 'POST')
  32
  33     def get (self, request):
  34         return self.get_or_post (request, 'GET')
  35
  36     def get_or_post  (self, request, method):
  37         """
  38         """
  39
  40         errors = []
  41         slice_name =''
  42         #purpose=''
  43         #url=''
  44         authority_hrn = None
  45         authority_name = None
  46         # Retrieve the list of authorities
  47
  48         authorities = getAuthorities(request, admin=True)
  49
  50         ##if self.theme == 'fed4fire' or self.theme == 'onelab':
  51         #authorities_query = Query.get('myslice:authority').select('authority_hrn')
  52         ##else:
  53         ##    authorities_query = Query.get('authority').select('name', 'authority_hrn')
  54         #authorities = execute_admin_query(request, authorities_query)
  55         #if authorities is not None:
  56         #    authorities = sorted(authorities, key=lambda k: k['authority_hrn'])
  57         #    #if self.theme != 'fed4fire' or  self.theme != 'onelab':
  58         #    #    authorities = sorted(authorities, key=lambda k: k['name'])
  59
  60         # Get user_email (XXX Would deserve to be simplified)
  61         user_query  = Query().get('local:user').select('email','config')
  62         user_details = execute_query(request, user_query)
  63         user_email = user_details[0].get('email')
  64         # getting user_hrn
  65         for user_detail in user_details:
  66             user_config = json.loads(user_detail['config'])
  67             user_authority = user_config.get('authority','N/A')
  68         # getting the org from authority
  69        # for authority in authorities:
  70        #     if 'name' in authority and authority['authority_hrn'] == user_authority:
  71        #         authority_name = authority['name']
  72
  73         # Handle the case when we use only hrn and not name
  74         #if authority_name is None:
  75         #    authority_name = user_authority
  76
  77         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  78         account_details = execute_query(request, account_query)
  79
  80         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  81         platform_details = execute_query(request, platform_query)
  82         user_hrn = None
  83         #getting user_hrn from local:account
  84         for account_detail in account_details:
  85             for platform_detail in platform_details:
  86                 if platform_detail['platform_id'] == account_detail['platform_id']:
  87                     # taking user_hrn only from myslice account
  88                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  89                     if 'myslice' in platform_detail['platform']:
  90                         account_config = json.loads(account_detail['config'])
  91                         user_hrn = account_config.get('user_hrn','N/A')
  92         #                acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
  93
  94         pi = request.session['user']['pi']
  95
  96         # Page rendering
  97         page = Page(request)
  98         page.add_js_files  ( [ "js/jquery.validate.js", "js/jquery-ui.js" ] )
  99         page.add_css_files ( [ "css/jquery-ui.css" ] )
 100         page.expose_js_metadata()
 101
 102         if method == 'POST':
 103             # The form has been submitted
 104
 105             if request.is_secure():
 106                 current_site = 'https://'
 107             else:
 108                 current_site = 'http://'
 109             current_site += request.META['HTTP_HOST']
 110
 111             #if theme.theme != 'fed4fire' or  self.theme != 'onelab':
 112                 # getting the authority_hrn from the selected organization
 113             #    for authority in authorities:
 114              #       if authority['name'] == request.POST.get('org_name', ''):
 115               #          authority_hrn = authority['authority_hrn']
 116
 117             # Handle the case when we use only hrn and not name
 118             if authority_hrn is None:
 119                 authority_hrn = request.POST.get('org_name', '')
 120
 121             # Handle project if used
 122             project = request.POST.get('org_name', None)
 123             if project is not None and project != '':
 124                 authority_hrn = project
 125             slice_name = request.POST.get('slice_name', '')
 126             if not slice_name or len(slice_name) == 0 :
 127                 errors.append('Slice name can\'t be empty')
 128
 129             # accept only lowercase names
 130             slice_name = slice_name.lower()
 131
 132             slice_request = {
 133                 'type'              : 'slice',
 134                 'id'                : None,
 135                 'user_hrn'          : user_hrn,
 136                 'email'             : user_email,
 137                 'timestamp'         : time.time(),
 138                 'authority_hrn'     : authority_hrn,
 139                 'organization'      : request.POST.get('org_name', ''),
 140                 'slice_name'        : slice_name,
 141                 #'url'               : request.POST.get('url', ''),
 142                 #'purpose'           : request.POST.get('purpose', ''),
 143                 'current_site'      : current_site
 144             }
 145
 146             # slice name is unique among all authorities
 147             slice_query = Query().get('myslice:slice').select('slice_hrn')
 148             slice_details_sfa = execute_admin_query(request, slice_query)
 149             for _slice in slice_details_sfa:
 150                 split_list = _slice['slice_hrn'].split('.')
 151                 sfa_slice_name = split_list[-1]
 152                 if sfa_slice_name == slice_name:
 153                     errors.append('Slice already exists. Please use a different slice name.')
 154
 155
 156             # What kind of slice name is valid?
 157             if slice_name is None or slice_name == '':
 158                 errors.append('Slice name is mandatory')
 159
 160             if re.search(r'^[A-Za-z0-9_]*$', slice_name) is None:
 161                 errors.append('Slice name may contain only letters, numbers, and underscore.')
 162
 163             organization = slice_request['organization']
 164             if theme.theme == 'fed4fire' or  self.theme == 'onelab':
 165                 if organization is None or organization == '':
 166                     errors.append('Selecting project is mandatory')
 167             else:
 168                 if organization is None or organization == '':
 169                     errors.append('Organization is mandatory')
 170
 171             slice_length= len(slice_request['slice_name'])
 172             if slice_length >19:
 173                 errors.append('Slice name can be maximum 19 characters long')
 174
 175
 176
 177            # purpose = slice_request['purpose']
 178            # if purpose is None or purpose == '':
 179            #     errors.append('Experiment purpose is mandatory')
 180
 181             #url = slice_request['url']
 182
 183             if not errors:
 184                 if is_pi(request, user_hrn, authority_hrn):
 185                     # PIs can directly create slices in their own authority...
 186                     create_slice(request, slice_request)
 187                     clear_user_creds(request, user_email)
 188                     self.template_name = 'slice-request-done-view.html'
 189                 else:
 190                     # Otherwise a request is sent to the PI
 191                     create_pending_slice(request, slice_request, user_email)
 192                     self.template_name = 'slice-request-ack-view.html'
 193
 194                 # log user activity
 195                 activity.user.slice(request)
 196                 return render_to_response(self.template, {'theme': self.theme, 'request':request}, context_instance=RequestContext(request))
 197                 #return render(request, self.template, {'theme': self.theme}) # Redirect after POST
 198         else:
 199             slice_request = {}
 200
 201         template_env = {
 202             'username': request.user.email,
 203             'topmenu_items': topmenu_items_live('Request a slice', page),
 204             'errors': errors,
 205             'slice_name': slice_name,
 206             #'purpose': purpose,
 207             'email': user_email,
 208             'user_hrn': user_hrn,
 209             #'url': url,
 210             'pi': pi,
 211             'authority_name': authority_name,
 212             'authority_hrn': user_authority,
 213             'cc_myself': True,
 214             'authorities': authorities,
 215             'theme': self.theme,
 216             'section': "Slice request",
 217             'request': request,
 218         }
 219         template_env.update(slice_request)
 220         template_env.update(page.prelude_env())
 221
 222         return render_to_response(self.template,template_env, context_instance=RequestContext(request))
 223         #return render(request, self.template, template_env)