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#
# 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 six
from six.moves.urllib import parse as urlparse
from heat.common import exception
from heat.common.i18n import _
from heat.engine import attributes
from heat.engine import constraints
from heat.engine import properties
from heat.engine import resource
class S3Bucket(resource.Resource):
PROPERTIES = (
ACCESS_CONTROL, WEBSITE_CONFIGURATION, TAGS,
) = (
'AccessControl', 'WebsiteConfiguration', 'Tags',
)
_WEBSITE_CONFIGURATION_KEYS = (
WEBSITE_CONFIGURATION_INDEX_DOCUMENT,
WEBSITE_CONFIGURATION_ERROR_DOCUMENT,
) = (
'IndexDocument',
'ErrorDocument',
)
_TAG_KEYS = (
TAG_KEY, TAG_VALUE,
) = (
'Key', 'Value',
)
ATTRIBUTES = (
DOMAIN_NAME, WEBSITE_URL,
) = (
'DomainName', 'WebsiteURL',
)
properties_schema = {
ACCESS_CONTROL: properties.Schema(
properties.Schema.STRING,
_('A predefined access control list (ACL) that grants '
'permissions on the bucket.'),
constraints=[
constraints.AllowedValues(['Private', 'PublicRead',
'PublicReadWrite',
'AuthenticatedRead',
'BucketOwnerRead',
'BucketOwnerFullControl']),
]
),
WEBSITE_CONFIGURATION: properties.Schema(
properties.Schema.MAP,
_('Information used to configure the bucket as a static website.'),
schema={
WEBSITE_CONFIGURATION_INDEX_DOCUMENT: properties.Schema(
properties.Schema.STRING,
_('The name of the index document.')
),
WEBSITE_CONFIGURATION_ERROR_DOCUMENT: properties.Schema(
properties.Schema.STRING,
_('The name of the error document.')
),
}
),
TAGS: properties.Schema(
properties.Schema.LIST,
_('Tags to attach to the bucket.'),
schema=properties.Schema(
properties.Schema.MAP,
schema={
TAG_KEY: properties.Schema(
properties.Schema.STRING,
_('The tag key name.'),
required=True
),
TAG_VALUE: properties.Schema(
properties.Schema.STRING,
_('The tag value.'),
required=True
),
},
)
),
}
attributes_schema = {
DOMAIN_NAME: attributes.Schema(
_('The DNS name of the specified bucket.'),
type=attributes.Schema.STRING
),
WEBSITE_URL: attributes.Schema(
_('The website endpoint for the specified bucket.'),
type=attributes.Schema.STRING
),
}
default_client_name = 'swift'
def tags_to_headers(self):
if self.properties[self.TAGS] is None:
return {}
return dict(
('X-Container-Meta-S3-Tag-' + tm[self.TAG_KEY], tm[self.TAG_VALUE])
for tm in self.properties[self.TAGS])
def handle_create(self):
"""Create a bucket."""
container = self.physical_resource_name()
headers = self.tags_to_headers()
if self.properties[self.WEBSITE_CONFIGURATION] is not None:
sc = self.properties[self.WEBSITE_CONFIGURATION]
index_doc = sc[self.WEBSITE_CONFIGURATION_INDEX_DOCUMENT]
error_doc = sc[self.WEBSITE_CONFIGURATION_ERROR_DOCUMENT]
# we will assume that swift is configured for the staticweb
# wsgi middleware
headers['X-Container-Meta-Web-Index'] = index_doc
headers['X-Container-Meta-Web-Error'] = error_doc
con = self.context
ac = self.properties[self.ACCESS_CONTROL]
tenant_username = '%s:%s' % (con.project_name, con.username)
if ac in ('PublicRead', 'PublicReadWrite'):
headers['X-Container-Read'] = '.r:*'
elif ac == 'AuthenticatedRead':
headers['X-Container-Read'] = con.project_name
else:
headers['X-Container-Read'] = tenant_username
if ac == 'PublicReadWrite':
headers['X-Container-Write'] = '.r:*'
else:
headers['X-Container-Write'] = tenant_username
self.client().put_container(container, headers)
self.resource_id_set(container)
def handle_delete(self):
"""Perform specified delete policy."""
if self.resource_id is None:
return
try:
self.client().delete_container(self.resource_id)
except Exception as ex:
if self.client_plugin().is_conflict(ex):
container, objects = self.client().get_container(
self.resource_id)
if objects:
msg = _("The bucket you tried to delete is not empty (%s)."
) % self.resource_id
raise exception.ResourceActionNotSupported(action=msg)
self.client_plugin().ignore_not_found(ex)
def get_reference_id(self):
return six.text_type(self.resource_id)
def _resolve_attribute(self, name):
url = self.client().get_auth()[0]
parsed = list(urlparse.urlparse(url))
if name == self.DOMAIN_NAME:
return parsed[1].split(':')[0]
elif name == self.WEBSITE_URL:
return '%s://%s%s/%s' % (parsed[0], parsed[1], parsed[2],
self.resource_id)
def resource_mapping():
return {
'AWS::S3::Bucket': S3Bucket,
}
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