qcg/views.py

   1 # coding=utf-8
   2 from datetime import datetime, timedelta
   3
   4 from django.conf import settings
   5 from django.contrib import messages
   6 from django.contrib.auth import REDIRECT_FIELD_NAME
   7 from django.contrib.auth.decorators import login_required
   8 from django.core.exceptions import SuspiciousOperation
   9 from django.core.urlresolvers import reverse
  10 from django.db.models import Q
  11 from django.http import HttpResponse, QueryDict
  12 from django.shortcuts import render, get_object_or_404, redirect
  13 from django.utils.html import format_html
  14 from django.utils.http import urlencode
  15 from django.utils.timezone import UTC
  16 from django.views.decorators.http import require_POST
  17 from django_openid_auth.views import make_consumer
  18 from openid.extensions import ax
  19 from pyqcg.utils import PyqcgException
  20
  21 from filex.forms import HostPathNameForm, RenameForm, ArchiveForm, HostPathForm
  22 from filex.ftp import FTPOperation, FTPError
  23 from filex.views import make_url
  24 from qcg.forms import FiltersForm, ColumnsForm, JobDescriptionForm, EnvFormSet, JobTemplateForm
  25 from qcg.models import JobTemplate
  26 from qcg.utils import paginator_context, to_job_desc, to_form_data, restricted
  27 from qcg.service import update_user_data, update_job, cancel, clean, submit
  28
  29
  30 from django.utils import encoding
  31 import string
  32 import random
  33 import os
  34 from qcg import constants
  35 from qcg.utils import chunks, generate_md_inputfile
  36 # for Debugging
  37 from pprint import pprint
  38
  39 def index(request):
  40     return render(request, 'qcg/base.html')
  41
  42
  43 def openid_begin(request):
  44     openid_request = make_consumer(request).begin(settings.OPENID_SSO_SERVER_URL)
  45
  46     fetch_request = ax.FetchRequest()
  47     for (attr, alias) in [('http://axschema.org/namePerson/friendly', 'nickname'),
  48                           ('http://axschema.org/contact/email', 'email'),
  49                           ('http://axschema.org/namePerson', 'fullname'),
  50                           ('http://openid.plgrid.pl/certificate/proxy', 'proxy'),
  51                           ('http://openid.plgrid.pl/certificate/userCert', 'userCert'),
  52                           ('http://openid.plgrid.pl/certificate/proxyPrivKey', 'proxyPrivKey'),
  53                           ('http://openid.plgrid.pl/POSTresponse', 'POSTresponse')]:
  54         fetch_request.add(ax.AttrInfo(attr, alias=alias, required=True))
  55     openid_request.addExtension(fetch_request)
  56
  57     return_to = request.build_absolute_uri(reverse('openid-complete'))
  58
  59     redirect_to = request.GET.get(REDIRECT_FIELD_NAME)
  60     if redirect_to:
  61         return_to += '?' + urlencode({REDIRECT_FIELD_NAME: redirect_to})
  62
  63     return HttpResponse(openid_request.htmlMarkup(request.build_absolute_uri('/'), return_to))
  64
  65
  66 search_fields = ('status_description', 'type', 'note', 'task_id', 'job__note', 'job__project', 'job__job_id',
  67                  'allocations__status_description', 'allocations__processes_group_id', 'allocations__comment')
  68
  69
  70 def parse_date(string):
  71     return datetime.strptime(string.strip(), "%d.%m.%Y").replace(tzinfo=UTC())
  72
  73
  74 @restricted
  75 def jobs_list(request):
  76     update_user_data(request.user, request.session['proxy'])
  77
  78     tasks = request.user.tasks.order_by('-job__submission_time', '-submission_time') \
  79         .select_related('job').prefetch_related('allocations__nodes')
  80
  81     filters = FiltersForm(request.GET)
  82     selected_filters = []
  83     if filters.is_valid():
  84         keywords = filters.cleaned_data['keywords']
  85         status = filters.cleaned_data['status']
  86         host = filters.cleaned_data['host']
  87         purged = filters.cleaned_data['purged']
  88         submission = filters.cleaned_data['submission']
  89         finish = filters.cleaned_data['finish']
  90
  91         if keywords:
  92             and_query = Q()
  93
  94             for q in keywords.split():
  95                 or_query = Q()
  96                 for field in search_fields:
  97                     or_query |= Q(**{field + '__icontains': q})
  98                 and_query &= or_query
  99
 100             tasks = tasks.filter(and_query)
 101             selected_filters.append((keywords, 'keywords', keywords))
 102
 103         if status:
 104             statuses = []
 105             for s in status:
 106                 si = int(s)
 107                 statuses.extend(FiltersForm.STATUS_MAP[si])
 108                 selected_filters.append((FiltersForm.STATUS_CHOICES_DICT[si], 'status', s))
 109
 110             tasks = tasks.filter(status__in=statuses)
 111
 112         if host:
 113             tasks = tasks.filter(allocations__host_name__in=host)
 114
 115             host_dict = dict(filters.fields['host'].choices)
 116             for h in host:
 117                 selected_filters.append((host_dict[h], 'host', h))
 118
 119         if isinstance(purged, bool):
 120             tasks = tasks.filter(purged=purged)
 121
 122             if purged:
 123                 selected_filters.append((u"Usunięty katalog roboczy", 'purged', '1'))
 124             else:
 125                 selected_filters.append((u"Istniejący katalog roboczy", 'purged', '0'))
 126
 127         if submission:
 128             start, end = submission.split('-')
 129
 130             tasks = tasks.filter(submission_time__gte=parse_date(start),
 131                                  submission_time__lte=parse_date(end) + timedelta(days=1))
 132             selected_filters.append((u'Data zlecenia: ' + submission, 'submission', submission))
 133
 134         if finish:
 135             start, end = finish.split('-')
 136
 137             tasks = tasks.filter(finish_time__gte=parse_date(start),
 138                                  finish_time__lte=parse_date(end) + timedelta(days=1))
 139             selected_filters.append((u'Data zakończenia: ' + finish, 'finish', finish))
 140
 141         tasks = tasks.distinct()
 142
 143     checked_status = {i: widget.is_checked() for i, widget in enumerate(filters['status'])}
 144
 145     columns = ColumnsForm(QueryDict(request.COOKIES.get('columns', '')))
 146
 147     displayed = None
 148     if columns.is_valid():
 149         displayed = {int(c) for c in columns.cleaned_data['columns']}
 150
 151     # if invalid or empty
 152     if not displayed:
 153         displayed = set(columns.fields['columns'].initial)
 154
 155     context = {'filters': filters, 'checked_status': checked_status, 'selected_filters': selected_filters,
 156                'columns': ColumnsForm(initial={'columns': displayed}), 'displayed': displayed}
 157
 158     context.update(paginator_context(request, tasks))
 159
 160     return render(request, 'qcg/jobs.html', context)
 161
 162
 163 @restricted
 164 def job_details(request, job_id):
 165     job = get_object_or_404(request.user.jobs.select_related('owner').prefetch_related('tasks'), job_id=job_id)
 166
 167     return render(request, 'qcg/job.html', process_details(request, job))
 168
 169
 170 @restricted
 171 def task_details(request, job_id, task_id):
 172     task = get_object_or_404(request.user.tasks.select_related('job__owner').prefetch_related('allocations'),
 173                              job__job_id=job_id, task_id=task_id)
 174
 175     return render(request, 'qcg/task.html', process_details(request, task.job, task))
 176
 177
 178 def process_details(request, job, task=None):
 179     if not job.terminated or not job.purged:
 180         update_job(job, request.session['proxy'])
 181
 182     form_data = to_form_data(job.qcg_description)
 183     env_formset_data = [{'name': name, 'value': value} for name, value in form_data.pop('env_variables', ())]
 184
 185     form = JobDescriptionForm(initial=form_data)
 186     env_formset = EnvFormSet(initial=env_formset_data)
 187     template_form = JobTemplateForm(initial={'name': (task and task.note) or u'Szablon z {}'.format(job.job_id)})
 188
 189     for field in form:
 190         field.field.widget.attrs['disabled'] = 'True'
 191     for env_form in env_formset:
 192         for field in env_form:
 193             field.field.widget.attrs['disabled'] = 'True'
 194
 195     return {'job': job, 'task': task, 'form': form, 'env_formset': env_formset, 'template_form': template_form}
 196
 197
 198 def id_generator(size=6, chars=string.ascii_uppercase + string.digits):
 199     return ''.join(random.choice(chars) for _ in range(size))
 200
 201 @restricted
 202 def job_submit(request, template_id=None):
 203     save_template = 'save-template' in request.POST
 204     template = get_object_or_404(request.user.templates, id=template_id) if template_id is not None else None
 205
 206     if template is not None:
 207         form_data = to_form_data(template.description)
 208         env_formset_data = [{'name': name, 'value': value} for name, value in form_data.pop('env_variables', ())]
 209     else:
 210         form_data, env_formset_data = None, None
 211
 212     if request.method == 'POST':
 213         form = JobDescriptionForm(request.POST, initial=form_data)
 214         env_formset = EnvFormSet(request.POST, initial=env_formset_data)
 215         template_form = JobTemplateForm(request.POST, prefix='template', instance=template)
 216
 217         if form.is_valid() and env_formset.is_valid() and (not save_template or template_form.is_valid()):
 218             params = form.cleaned_data
 219             params['env_variables'] = [(env['name'], env['value'])
 220                                        for env in env_formset.cleaned_data if env and not env['DELETE']]
 221
 222             # Generowanie pliku inputowego
 223             md_input=generate_md_inputfile(params)
 224             url=os.path.splitext(params['pdb_file'])[0]+'_MD_genarated.inp'
 225             params['master_file']=url
 226             params['stage_in'].append(params['pdb_file'])
 227             # Upload
 228             ftp = FTPOperation(request.session['proxy'])
 229             ftp.put(url)
 230             for chunk in chunks('\n'.join([str(i) for i in md_input] ), 4096):
 231                 ftp.stream.put(chunk)
 232             ftp.stream.put(None)
 233             ftp.wait()
 234
 235             params['persistent'] = True
 236
 237             job_desc = to_job_desc(params, request.session['proxy'])
 238
 239
 240             if save_template:
 241                 template = template_form.save(commit=False)
 242
 243                 template.owner = request.user
 244                 template.description = job_desc.xml_description
 245                 template.save()
 246
 247                 return redirect(template)
 248
 249             job = submit(job_desc, request.session['proxy'])
 250
 251
 252             messages.success(request,
 253                              format_html('<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> '
 254                                          u'Zlecono zadanie <em>{}</em>.', job.job_id))
 255
 256             return redirect('jobs')
 257     else:
 258         form = JobDescriptionForm(initial=form_data)
 259         env_formset = EnvFormSet(initial=env_formset_data)
 260         template_form = JobTemplateForm(prefix='template', instance=template)
 261
 262     errors = form.errors or (env_formset.is_bound and not env_formset.is_valid) or (
 263         save_template and template_form.errors)
 264
 265     return render(request, 'qcg/job_submit.html', {'form': form, 'env_formset': env_formset, 'errors': errors,
 266                                                    'template_form': template_form, 'template': template})
 267
 268
 269 @require_POST
 270 @login_required
 271 def job_cancel(request, job_id):
 272     return obj_cancel(request, get_object_or_404(request.user.jobs, job_id=job_id))
 273
 274
 275 @require_POST
 276 @login_required
 277 def task_cancel(request, job_id, task_id):
 278     return obj_cancel(request, get_object_or_404(request.user.tasks, job__job_id=job_id, task_id=task_id))
 279
 280
 281 def obj_cancel(request, obj):
 282     try:
 283         cancel(obj, request.session['proxy'])
 284     except PyqcgException as e:
 285         messages.error(request, format_html('<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> {}',
 286                                             e.message))
 287     else:
 288         messages.success(request, format_html('<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> '
 289                                               'Zadanie anulowano.'))
 290
 291     return redirect(obj)
 292
 293
 294 @require_POST
 295 @login_required
 296 def job_clean(request, job_id):
 297     return obj_clean(request, get_object_or_404(request.user.jobs, job_id=job_id))
 298
 299
 300 @require_POST
 301 @login_required
 302 def task_clean(request, job_id, task_id):
 303     return obj_clean(request, get_object_or_404(request.user.tasks, job__job_id=job_id, task_id=task_id))
 304
 305
 306 def obj_clean(request, obj):
 307     try:
 308         clean(obj, request.session['proxy'])
 309     except PyqcgException as e:
 310         messages.error(request, format_html('<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> {}',
 311                                             e.message))
 312     else:
 313         messages.success(request, format_html('<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> '
 314                                               'Usunięto katalog roboczy.'))
 315
 316     return redirect(obj)
 317
 318
 319 @restricted
 320 def gridftp(request):
 321     return render(request, 'qcg/gridftp.html',
 322                   {'new_dir_form': HostPathNameForm(), 'rename_form': RenameForm(), 'archive_form': ArchiveForm()})
 323
 324
 325 @restricted
 326 def gridftp_upload(request):
 327     form = HostPathForm(request.GET)
 328
 329     if not form.is_valid():
 330         raise SuspiciousOperation('Invalid parameters for `gridftp_upload`!')
 331
 332     error = None
 333     try:
 334         FTPOperation(request.session['proxy']).info(make_url(form.cleaned_data, 'path'))
 335     except FTPError as e:
 336         error = e.message
 337
 338     return render(request, 'qcg/gridftp_upload.html',
 339                   {'error': error, 'url': reverse('filex:upload') + '?' + urlencode(form.cleaned_data),
 340                    'host': form.cleaned_data['host'], 'path': form.cleaned_data['path'],
 341                    'sep': '/' if form.cleaned_data['path'].startswith('~') else ''})
 342
 343
 344 @restricted
 345 def job_templates(request):
 346     return render(request, 'qcg/job_templates.html', {'templates': request.user.templates.all()})
 347
 348
 349 @require_POST
 350 @login_required
 351 def template_delete(request, template_id):
 352     template = get_object_or_404(request.user.templates, id=template_id)
 353     template.delete()
 354
 355     messages.success(request, format_html('<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> '
 356                                           u'Usunięto szablon <em>{}</em>.', template.name))
 357
 358     return redirect('job_templates')
 359
 360
 361 @require_POST
 362 @login_required
 363 def job_save_template(request, job_id):
 364     job = get_object_or_404(request.user.jobs, job_id=job_id)
 365
 366     template_form = JobTemplateForm(request.POST,
 367                                     instance=JobTemplate(owner=request.user, description=job.qcg_description))
 368
 369     if template_form.is_valid():
 370         template = template_form.save()
 371
 372         return redirect(template)
 373
 374     messages.error(request, format_html('<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> {}'
 375                                         'Nie udało się zapisać szablonu!', template_form.errors))
 376
 377     return redirect(job)