Synnefo

# Copyright 2011 GRNET S.A. All rights reserved.

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from logging import getLogger

from django.http import HttpResponse

from django.template.loader import render_to_string

from django.utils import simplejson as json

from synnefo.cyclades_settings import COMPUTE_ROOT_URL

from snf_django.lib import api

log = getLogger('synnefo.api')

VERSION_2_0 = {

    "id": "v2.0",

    "status": "CURRENT",

    "updated": "2011-01-21T11:33:21-06:00",

    "links": [

        {

            "rel": "self",

            "href": COMPUTE_ROOT_URL,

        },

    ],

}

VERSIONS = [VERSION_2_0]

MEDIA_TYPES = [

    {

        "base": "application/xml",

        "type": "application/vnd.openstack.compute.v2+xml"

    },

    {

        "base": "application/json",

        "type": "application/vnd.openstack.compute.v2+json"

    }

]

DESCRIBED_BY = [

    {

        "rel": "describedby",

        "type": "application/pdf",

        "href": "http://docs.rackspacecloud.com/servers/api/v2/"

                "cs-devguide-20110125.pdf"

    },

    {

        "rel": "describedby",

        "type": "application/vnd.sun.wadl+xml",

        "href": "http://docs.rackspacecloud.com/servers/api/v2/"

                "application.wadl"

    }

]

@api.api_method(http_method='GET', user_required=True, logger=log)

def versions_list(request):

    # Normal Response Codes: 200, 203

    # Error Response Codes: 400, 413, 500, 503

    if request.serialization == 'xml':

        data = render_to_string('versions_list.xml', {'versions': VERSIONS})

    else:

        data = json.dumps({'versions': VERSIONS})

    return HttpResponse(data)

@api.api_method('GET', user_required=True, logger=log)

def version_details(request, api_version):

    # Normal Response Codes: 200, 203

    # Error Response Codes: computeFault (400, 500),

    #                       serviceUnavailable (503),

    #                       unauthorized (401),

    #                       badRequest (400),

    #                       overLimit(413)

    log.debug('version_details %s', api_version)

    # We hardcode to v2.0 since it is the only one we support

    version = VERSION_2_0.copy()

    version['links'] = version['links'] + DESCRIBED_BY

    if request.serialization == 'xml':

        version['media_types'] = MEDIA_TYPES

        data = render_to_string('version_details.xml', {'version': version})

    else:

        version['media-types'] = MEDIA_TYPES

        data = json.dumps({'version': version})

    return HttpResponse(data)