/usr/lib/python2.7/dist-packages/glanceclient/v2/images.py is in python-glanceclient 1:0.12.0-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 | # Copyright 2012 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import urllib
import warlock
from glanceclient.openstack.common import strutils
DEFAULT_PAGE_SIZE = 20
class Controller(object):
def __init__(self, http_client, model):
self.http_client = http_client
self.model = model
def list(self, **kwargs):
"""Retrieve a listing of Image objects
:param page_size: Number of images to request in each paginated request
:returns generator over list of Images
"""
def paginate(url):
resp, body = self.http_client.json_request('GET', url)
for image in body['images']:
yield image
try:
next_url = body['next']
except KeyError:
return
else:
for image in paginate(next_url):
yield image
filters = kwargs.get('filters', {})
if not kwargs.get('page_size'):
filters['limit'] = DEFAULT_PAGE_SIZE
else:
filters['limit'] = kwargs['page_size']
tags = filters.pop('tag', [])
tags_url_params = []
for tag in tags:
if isinstance(tag, basestring):
tags_url_params.append({'tag': strutils.safe_encode(tag)})
for param, value in filters.iteritems():
if isinstance(value, basestring):
filters[param] = strutils.safe_encode(value)
url = '/v2/images?%s' % urllib.urlencode(filters)
for param in tags_url_params:
url = '%s&%s' % (url, urllib.urlencode(param))
for image in paginate(url):
#NOTE(bcwaldon): remove 'self' for now until we have an elegant
# way to pass it into the model constructor without conflict
image.pop('self', None)
yield self.model(**image)
def get(self, image_id):
url = '/v2/images/%s' % image_id
resp, body = self.http_client.json_request('GET', url)
#NOTE(bcwaldon): remove 'self' for now until we have an elegant
# way to pass it into the model constructor without conflict
body.pop('self', None)
return self.model(**body)
def data(self, image_id, do_checksum=True):
"""
Retrieve data of an image.
:param image_id: ID of the image to download.
:param do_checksum: Enable/disable checksum validation.
"""
url = '/v2/images/%s/file' % image_id
resp, body = self.http_client.raw_request('GET', url)
checksum = resp.getheader('content-md5', None)
if do_checksum and checksum is not None:
body.set_checksum(checksum)
return body
def upload(self, image_id, image_data):
"""
Upload the data for an image.
:param image_id: ID of the image to upload data for.
:param image_data: File-like object supplying the data to upload.
"""
url = '/v2/images/%s/file' % image_id
hdrs = {'Content-Type': 'application/octet-stream'}
self.http_client.raw_request('PUT', url,
headers=hdrs,
body=image_data)
def delete(self, image_id):
"""Delete an image."""
self.http_client.json_request('DELETE', 'v2/images/%s' % image_id)
def create(self, **kwargs):
"""Create an image."""
url = '/v2/images'
image = self.model()
for (key, value) in kwargs.items():
try:
setattr(image, key, value)
except warlock.InvalidOperation as e:
raise TypeError(unicode(e))
resp, body = self.http_client.json_request('POST', url, body=image)
#NOTE(esheffield): remove 'self' for now until we have an elegant
# way to pass it into the model constructor without conflict
body.pop('self', None)
return self.model(**body)
def update(self, image_id, remove_props=None, **kwargs):
"""
Update attributes of an image.
:param image_id: ID of the image to modify.
:param remove_props: List of property names to remove
:param **kwargs: Image attribute names and their new values.
"""
image = self.get(image_id)
for (key, value) in kwargs.items():
try:
setattr(image, key, value)
except warlock.InvalidOperation as e:
raise TypeError(unicode(e))
if remove_props is not None:
cur_props = image.keys()
new_props = kwargs.keys()
#NOTE(esheffield): Only remove props that currently exist on the
# image and are NOT in the properties being updated / added
props_to_remove = set(cur_props).intersection(
set(remove_props).difference(new_props))
for key in props_to_remove:
delattr(image, key)
url = '/v2/images/%s' % image_id
hdrs = {'Content-Type': 'application/openstack-images-v2.1-json-patch'}
self.http_client.raw_request('PATCH', url,
headers=hdrs,
body=image.patch)
#NOTE(bcwaldon): calling image.patch doesn't clear the changes, so
# we need to fetch the image again to get a clean history. This is
# an obvious optimization for warlock
return self.get(image_id)
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