root / api / flavors.py @ 7584d408
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#
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# Copyright (c) 2010 Greek Research and Technology Network
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#
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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 synnefo.api.faults import ItemNotFound |
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from synnefo.api.util import get_user, get_request_dict, api_method |
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from synnefo.db.models import Flavor |
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urlpatterns = patterns('synnefo.api.flavors',
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(r'^(?:/|.json|.xml)?$', 'list_flavors'), |
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(r'^/detail(?:.json|.xml)?$', 'list_flavors', {'detail': True}), |
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(r'^/(\d+)(?:.json|.xml)?$', 'get_flavor_details'), |
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) |
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def flavor_to_dict(flavor, detail=True): |
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d = {'id': flavor.id, 'name': flavor.name} |
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if detail:
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d['ram'] = flavor.ram
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d['disk'] = flavor.disk
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d['cpu'] = flavor.cpu
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return d
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@api_method('GET') |
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def list_flavors(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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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# overLimit (413)
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all_flavors = Flavor.objects.all() |
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flavors = [flavor_to_dict(flavor, detail) for flavor in all_flavors] |
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if request.serialization == 'xml': |
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data = render_to_string('list_flavors.xml', {'flavors': flavors, 'detail': detail}) |
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else:
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data = json.dumps({'flavors': {'values': flavors}}) |
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return HttpResponse(data, status=200) |
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@api_method('GET') |
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def get_flavor_details(request, flavor_id): |
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# Normal Response Codes: 200, 203
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# Error Response Codes: computeFault (400, 500),
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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# itemNotFound (404),
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# overLimit (413)
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try:
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falvor_id = int(flavor_id)
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flavor = flavor_to_dict(Flavor.objects.get(id=flavor_id)) |
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except Flavor.DoesNotExist:
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raise ItemNotFound
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if request.serialization == 'xml': |
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data = render_to_string('flavor.xml', {'flavor': flavor}) |
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else:
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data = json.dumps({'flavor': flavor})
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return HttpResponse(data, status=200) |