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, cached_resources
  27 from qcg import service
  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     service.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         service.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     hosts, applications, modules = cached_resources(request.session['proxy'])
 212
 213     if request.method == 'POST':
 214         form = JobDescriptionForm(request.POST, form_data, hosts, applications, modules)
 215         env_formset = EnvFormSet(request.POST, initial=env_formset_data)
 216         template_form = JobTemplateForm(request.POST, prefix='template', instance=template)
 217
 218         if form.is_valid() and env_formset.is_valid() and (not save_template or template_form.is_valid()):
 219             params = form.cleaned_data
 220             params['env_variables'] = [(env['name'], env['value'])
 221                                        for env in env_formset.cleaned_data if env and not env['DELETE']]
 222
 223             # Generowanie pliku inputowego
 224             md_input=generate_md_inputfile(params)
 225             url=os.path.splitext(params['pdb_file'])[0]+'_MD_genarated.inp'
 226             params['master_file']=url
 227             params['stage_in'].append(params['pdb_file'])
 228             # Upload
 229             ftp = FTPOperation(request.session['proxy'])
 230             ftp.put(url)
 231             for chunk in chunks('\n'.join([str(i) for i in md_input] ), 4096):
 232                 ftp.stream.put(chunk)
 233             ftp.stream.put(None)
 234             ftp.wait()
 235
 236             params['persistent'] = True
 237
 238             job_desc = to_job_desc(params, request.session['proxy'])
 239
 240
 241             if save_template:
 242                 template = template_form.save(commit=False)
 243
 244                 template.owner = request.user
 245                 template.description = job_desc.xml_description
 246                 template.save()
 247
 248                 return redirect(template)
 249
 250             #pprint(params)
 251             job = service.submit(job_desc, request.session['proxy'])
 252
 253
 254             messages.success(request,
 255                              format_html(u'<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> '
 256                                          u'Zlecono zadanie <em>{}</em>.', job.job_id))
 257
 258             return redirect('jobs')
 259     else:
 260         form = JobDescriptionForm(initial=form_data, hosts=hosts, applications=applications, modules=modules)
 261         env_formset = EnvFormSet(initial=env_formset_data)
 262         template_form = JobTemplateForm(prefix='template', instance=template)
 263
 264     errors = form.errors or (env_formset.is_bound and not env_formset.is_valid) or (
 265         save_template and template_form.errors)
 266
 267     return render(request, 'qcg/job_submit.html', {'form': form, 'env_formset': env_formset, 'errors': errors,
 268                                                    'template_form': template_form, 'template': template})
 269
 270
 271 @require_POST
 272 @login_required
 273 def job_cancel(request, job_id):
 274     job = get_object_or_404(request.user.jobs, job_id=job_id)
 275     return obj_run(request, job, service.cancel, u'Zadanie anulowano.')
 276
 277
 278 @require_POST
 279 @login_required
 280 def task_cancel(request, job_id, task_id):
 281     task = get_object_or_404(request.user.tasks, job__job_id=job_id, task_id=task_id)
 282     return obj_run(request, task, service.cancel, u'Zadanie anulowano.')
 283
 284
 285 @require_POST
 286 @login_required
 287 def job_clean(request, job_id):
 288     job = get_object_or_404(request.user.jobs, job_id=job_id)
 289     return obj_run(request, job, service.clean, u'Usunięto katalog roboczy.')
 290
 291
 292 @require_POST
 293 @login_required
 294 def task_clean(request, job_id, task_id):
 295     task = get_object_or_404(request.user.tasks, job__job_id=job_id, task_id=task_id)
 296     return obj_run(request, task, service.clean, u'Usunięto katalog roboczy.')
 297
 298
 299 def obj_run(request, obj, func, msg):
 300     try:
 301         func(obj, request.session['proxy'])
 302     except PyqcgException as e:
 303         messages.error(request, format_html(u'<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> {}',
 304                                             e.message))
 305     else:
 306         messages.success(request,
 307                          format_html(u'<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> {}', msg))
 308
 309     return redirect(obj)
 310
 311
 312 @restricted
 313 def gridftp(request):
 314     return render(request, 'qcg/gridftp.html',
 315                   {'new_dir_form': HostPathNameForm(), 'rename_form': RenameForm(), 'archive_form': ArchiveForm()})
 316
 317
 318 @restricted
 319 def gridftp_upload(request):
 320     form = HostPathForm(request.GET)
 321
 322     if not form.is_valid():
 323         raise SuspiciousOperation('Invalid parameters for `gridftp_upload`!')
 324
 325     error = None
 326     try:
 327         FTPOperation(request.session['proxy']).info(make_url(form.cleaned_data, 'path'))
 328     except FTPError as e:
 329         error = e.message
 330
 331     return render(request, 'qcg/gridftp_upload.html',
 332                   {'error': error, 'url': reverse('filex:upload') + '?' + urlencode(form.cleaned_data),
 333                    'host': form.cleaned_data['host'], 'path': form.cleaned_data['path'],
 334                    'sep': '/' if form.cleaned_data['path'].startswith('~') else ''})
 335
 336
 337 @restricted
 338 def job_templates(request):
 339     return render(request, 'qcg/job_templates.html', {'templates': request.user.templates.all()})
 340
 341
 342 @require_POST
 343 @login_required
 344 def template_delete(request, template_id):
 345     template = get_object_or_404(request.user.templates, id=template_id)
 346     template.delete()
 347
 348     messages.success(request, format_html(u'<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> '
 349                                           u'Usunięto szablon <em>{}</em>.', template.name))
 350
 351     return redirect('job_templates')
 352
 353
 354 @require_POST
 355 @login_required
 356 def job_save_template(request, job_id):
 357     job = get_object_or_404(request.user.jobs, job_id=job_id)
 358
 359     template_form = JobTemplateForm(request.POST,
 360                                     instance=JobTemplate(owner=request.user, description=job.qcg_description))
 361
 362     if template_form.is_valid():
 363         template = template_form.save()
 364
 365         return redirect(template)
 366
 367     messages.error(request, format_html(u'<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> {}'
 368                                         u'Nie udało się zapisać szablonu!', template_form.errors))
 369
 370     return redirect(job)