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             job = service.submit(job_desc, request.session['proxy'])
 251
 252
 253             messages.success(request,
 254                              format_html(u'<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> '
 255                                          u'Zlecono zadanie <em>{}</em>.', job.job_id))
 256
 257             return redirect('jobs')
 258     else:
 259         form = JobDescriptionForm(initial=form_data, hosts=hosts, applications=applications, modules=modules)
 260         env_formset = EnvFormSet(initial=env_formset_data)
 261         template_form = JobTemplateForm(prefix='template', instance=template)
 262
 263     errors = form.errors or (env_formset.is_bound and not env_formset.is_valid) or (
 264         save_template and template_form.errors)
 265
 266     return render(request, 'qcg/job_submit.html', {'form': form, 'env_formset': env_formset, 'errors': errors,
 267                                                    'template_form': template_form, 'template': template})
 268
 269
 270 @require_POST
 271 @login_required
 272 def job_cancel(request, job_id):
 273     job = get_object_or_404(request.user.jobs, job_id=job_id)
 274     return obj_run(request, job, service.cancel, u'Zadanie anulowano.')
 275
 276
 277 @require_POST
 278 @login_required
 279 def task_cancel(request, job_id, task_id):
 280     task = get_object_or_404(request.user.tasks, job__job_id=job_id, task_id=task_id)
 281     return obj_run(request, task, service.cancel, u'Zadanie anulowano.')
 282
 283
 284 @require_POST
 285 @login_required
 286 def job_clean(request, job_id):
 287     job = get_object_or_404(request.user.jobs, job_id=job_id)
 288     return obj_run(request, job, service.clean, u'Usunięto katalog roboczy.')
 289
 290
 291 @require_POST
 292 @login_required
 293 def task_clean(request, job_id, task_id):
 294     task = get_object_or_404(request.user.tasks, job__job_id=job_id, task_id=task_id)
 295     return obj_run(request, task, service.clean, u'Usunięto katalog roboczy.')
 296
 297
 298 def obj_run(request, obj, func, msg):
 299     try:
 300         func(obj, request.session['proxy'])
 301     except PyqcgException as e:
 302         messages.error(request, format_html(u'<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> {}',
 303                                             e.message))
 304     else:
 305         messages.success(request,
 306                          format_html(u'<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> {}', msg))
 307
 308     return redirect(obj)
 309
 310
 311 @restricted
 312 def gridftp(request):
 313     return render(request, 'qcg/gridftp.html',
 314                   {'new_dir_form': HostPathNameForm(), 'rename_form': RenameForm(), 'archive_form': ArchiveForm()})
 315
 316
 317 @restricted
 318 def gridftp_upload(request):
 319     form = HostPathForm(request.GET)
 320
 321     if not form.is_valid():
 322         raise SuspiciousOperation('Invalid parameters for `gridftp_upload`!')
 323
 324     error = None
 325     try:
 326         FTPOperation(request.session['proxy']).info(make_url(form.cleaned_data, 'path'))
 327     except FTPError as e:
 328         error = e.message
 329
 330     return render(request, 'qcg/gridftp_upload.html',
 331                   {'error': error, 'url': reverse('filex:upload') + '?' + urlencode(form.cleaned_data),
 332                    'host': form.cleaned_data['host'], 'path': form.cleaned_data['path'],
 333                    'sep': '/' if form.cleaned_data['path'].startswith('~') else ''})
 334
 335
 336 @restricted
 337 def job_templates(request):
 338     return render(request, 'qcg/job_templates.html', {'templates': request.user.templates.all()})
 339
 340
 341 @require_POST
 342 @login_required
 343 def template_delete(request, template_id):
 344     template = get_object_or_404(request.user.templates, id=template_id)
 345     template.delete()
 346
 347     messages.success(request, format_html(u'<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> '
 348                                           u'Usunięto szablon <em>{}</em>.', template.name))
 349
 350     return redirect('job_templates')
 351
 352
 353 @require_POST
 354 @login_required
 355 def job_save_template(request, job_id):
 356     job = get_object_or_404(request.user.jobs, job_id=job_id)
 357
 358     template_form = JobTemplateForm(request.POST,
 359                                     instance=JobTemplate(owner=request.user, description=job.qcg_description))
 360
 361     if template_form.is_valid():
 362         template = template_form.save()
 363
 364         return redirect(template)
 365
 366     messages.error(request, format_html(u'<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span> {}'
 367                                         u'Nie udało się zapisać szablonu!', template_form.errors))
 368
 369     return redirect(job)