Revision b3fd98ae snf-cyclades-app/synnefo/api/images.py
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from logging import getLogger |
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import dateutil.parser
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from dateutil.parser import parse as date_parse
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from django.conf.urls.defaults import patterns |
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from django.http import HttpResponse |
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from django.template.loader import render_to_string |
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from django.utils import simplejson as json |
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from contextlib import contextmanager |
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from snf_django.lib.api import faults |
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from snf_django.lib import api |
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from snf_django.lib.api import faults, utils |
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from synnefo.api import util |
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from synnefo.api.common import method_not_allowed |
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from synnefo.api.util import api_method, isoformat, isoparse |
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from synnefo.plankton.backend import ImageBackend |
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from synnefo.plankton.utils import image_backend |
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log = getLogger('synnefo.api')
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log = getLogger(__name__)
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urlpatterns = patterns( |
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'synnefo.api.images', |
| ... | ... | |
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elif request.method == 'POST': |
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return create_image(request) |
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else: |
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return method_not_allowed(request) |
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return api.method_not_allowed(request)
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def image_demux(request, image_id): |
| ... | ... | |
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elif request.method == 'DELETE': |
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return delete_image(request, image_id) |
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else: |
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return method_not_allowed(request) |
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return api.method_not_allowed(request)
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def metadata_demux(request, image_id): |
| ... | ... | |
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elif request.method == 'POST': |
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return update_metadata(request, image_id) |
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else: |
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return method_not_allowed(request) |
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return api.method_not_allowed(request)
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def metadata_item_demux(request, image_id, key): |
| ... | ... | |
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elif request.method == 'DELETE': |
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return delete_metadata_item(request, image_id, key) |
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else: |
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return method_not_allowed(request) |
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return api.method_not_allowed(request)
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def image_to_dict(image, detail=True): |
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d = dict(id=image['id'], name=image['name']) |
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if detail: |
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d['updated'] = isoformat(dateutil.parser.parse(image['updated_at']))
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d['created'] = isoformat(dateutil.parser.parse(image['created_at']))
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d['updated'] = utils.isoformat(date_parse(image['updated_at']))
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d['created'] = utils.isoformat(date_parse(image['created_at']))
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d['status'] = 'DELETED' if image['deleted_at'] else 'ACTIVE' |
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d['progress'] = 100 if image['status'] == 'available' else 0 |
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if image['properties']: |
| ... | ... | |
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return d |
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@contextmanager |
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def image_backend(userid): |
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backend = ImageBackend(userid) |
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try: |
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yield backend |
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finally: |
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backend.close() |
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@api_method('GET')
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@api.api_method("GET", user_required=True, logger=log)
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def list_images(request, detail=False): |
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# Normal Response Codes: 200, 203 |
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# Error Response Codes: computeFault (400, 500), |
| ... | ... | |
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log.debug('list_images detail=%s', detail)
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with image_backend(request.user_uniq) as backend: |
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since = isoparse(request.GET.get('changes-since'))
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since = utils.isoparse(request.GET.get('changes-since'))
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if since: |
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images = [] |
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for image in backend.iter(): |
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updated = dateutil.parser.parse(image['updated_at'])
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updated = date_parse(image['updated_at'])
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if updated >= since: |
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images.append(image) |
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if not images: |
| ... | ... | |
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return HttpResponse(data, status=200) |
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@api_method('POST')
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@api.api_method('POST', user_required=True, logger=log)
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def create_image(request): |
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# Normal Response Code: 202 |
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# Error Response Codes: computeFault (400, 500), |
| ... | ... | |
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raise faults.NotImplemented('Not supported.')
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@api_method('GET')
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@api.api_method('GET', user_required=True, logger=log)
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def get_image_details(request, image_id): |
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# Normal Response Codes: 200, 203 |
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# Error Response Codes: computeFault (400, 500), |
| ... | ... | |
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return HttpResponse(data, status=200) |
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@api_method('DELETE')
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@api.api_method('DELETE', user_required=True, logger=log)
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def delete_image(request, image_id): |
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# Normal Response Code: 204 |
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# Error Response Codes: computeFault (400, 500), |
| ... | ... | |
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return HttpResponse(status=204) |
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@api_method('GET')
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@api.api_method('GET', user_required=True, logger=log)
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def list_metadata(request, image_id): |
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# Normal Response Codes: 200, 203 |
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# Error Response Codes: computeFault (400, 500), |
| ... | ... | |
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return util.render_metadata(request, metadata, use_values=True, status=200) |
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@api_method('POST')
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@api.api_method('POST', user_required=True, logger=log)
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def update_metadata(request, image_id): |
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# Normal Response Code: 201 |
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# Error Response Codes: computeFault (400, 500), |
| ... | ... | |
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# badMediaType(415), |
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# overLimit (413) |
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req = util.get_request_dict(request) |
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req = utils.get_request_dict(request)
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log.info('update_image_metadata %s %s', image_id, req)
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image = util.get_image(image_id, request.user_uniq) |
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try: |
| ... | ... | |
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return util.render_metadata(request, properties, status=201) |
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@api_method('GET')
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@api.api_method('GET', user_required=True, logger=log)
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def get_metadata_item(request, image_id, key): |
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# Normal Response Codes: 200, 203 |
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# Error Response Codes: computeFault (400, 500), |
| ... | ... | |
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return util.render_meta(request, {key: val}, status=200)
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@api_method('PUT')
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@api.api_method('PUT', user_required=True, logger=log)
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def create_metadata_item(request, image_id, key): |
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# Normal Response Code: 201 |
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# Error Response Codes: computeFault (400, 500), |
| ... | ... | |
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# badMediaType(415), |
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# overLimit (413) |
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req = util.get_request_dict(request) |
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req = utils.get_request_dict(request)
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log.info('create_image_metadata_item %s %s %s', image_id, key, req)
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try: |
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metadict = req['meta'] |
| ... | ... | |
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return util.render_meta(request, {key: val}, status=201)
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@api_method('DELETE')
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@api.api_method('DELETE', user_required=True, logger=log)
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def delete_metadata_item(request, image_id, key): |
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# Normal Response Code: 204 |
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# Error Response Codes: computeFault (400, 500), |
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