Synnefo » ./kamaki

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

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

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#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

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# documentation are those of the authors and should not be

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from . import Client, ClientError

class ImageClient(Client):

    """OpenStack Image Service API 1.0 and GRNET Plankton client"""

    def raise_for_status(self, r):

        if r.status_code == 404:

            raise ClientError("Image not found", r.status_code)

        # Fallback to the default

        super(ImageClient, self).raise_for_status(r)

    def list_public(self, detail=False, filters={}, order=''):

        path = '/images/detail' if detail else '/images/'

        params = {}

        params.update(filters)

        if order.startswith('-'):

            params['sort_dir'] = 'desc'

            order = order[1:]

        else:

            params['sort_dir'] = 'asc'

        if order:

            params['sort_key'] = order

        r = self.get(path, params=params, success=200)

        return r.json

    def get_meta(self, image_id):

        path = '/images/%s' % (image_id,)

        r = self.head(path, success=200)

        reply = {}

        properties = {}

        meta_prefix = 'x-image-meta-'

        property_prefix = 'x-image-meta-property-'

        for key, val in r.headers.items():

            key = key.lower()

            if key.startswith(property_prefix):

                key = key[len(property_prefix):]

                properties[key] = val

            elif key.startswith(meta_prefix):

                key = key[len(meta_prefix):]

                reply[key] = val

        if properties:

            reply['properties'] = properties

        return reply

    def register(self, name, location, params={}, properties={}):

        path = '/images/'

        headers = {}

        headers['x-image-meta-name'] = name

        headers['x-image-meta-location'] = location

        for key, val in params.items():

            if key in ('id', 'store', 'disk_format', 'container_format',

                       'size', 'checksum', 'is_public', 'owner'):

                key = 'x-image-meta-' + key.replace('_', '-')

                headers[key] = val

        for key, val in properties.items():

            headers['x-image-meta-property-' + key] = val

        self.post(path, headers=headers, success=200)

    def list_members(self, image_id):

        path = '/images/%s/members' % (image_id,)

        r = self.get(path, success=200)

        return r.json['members']

    def list_shared(self, member):

        path = '/shared-images/%s' % (member,)

        r = self.get(path, success=200)

        return r.json['shared_images']

    def add_member(self, image_id, member):

        path = '/images/%s/members/%s' % (image_id, member)

        r = self.put(path, success=204)

    def remove_member(self, image_id, member):

        path = '/images/%s/members/%s' % (image_id, member)

        self.delete(path, success=204)

    def set_members(self, image_id, members):

        path = '/images/%s/members' % image_id

        req = {'memberships': [{'member_id': member} for member in members]}

        self.put(path, json=req, success=204)