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from __future__ import print_function, division, absolute_import
#
# Copyright (c) 2014 Red Hat, Inc.
#
# This software is licensed to you under the GNU General Public License,
# version 2 (GPLv2). There is NO WARRANTY for this software, express or
# implied, including the implied warranties of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
# along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
#
# Red Hat trademarks are not licensed under GPLv2. No permission is
# granted to use or replicate Red Hat trademarks that are incorporated
# in this software or its documentation.
#
import logging
from rhsm.certificate2 import CONTENT_ACCESS_CERT_TYPE
log = logging.getLogger(__name__)
# These containerish iterables could share a
# base class, though, it should probably just
# be based on containers.abc.Iterable
class Content(object):
"""
A generic representation of entitled content.
"""
def __init__(self, content_type, name, label,
url=None, gpg=None, tags=None, cert=None,
enabled=None, metadata_expire=None):
self.content_type = content_type
self.name = name
self.label = label
self.url = url
self.gpg = gpg
self.tags = tags or []
self.cert = cert
self.enabled = enabled
self.metadata_expire = metadata_expire
class Entitlement(object):
"""Represent an entitlement.
Has a 'contents' attribute that is an
iterable of EntitledContent objects. (currently EntCertEntitledContent)
Note 'contents' that differs from the 'content'naming the
rhsm EntitlementCertificate object uses.
"""
def __init__(self, contents=None, entitlement_type=None):
self.contents = contents
self.entitlement_type = entitlement_type
class EntitlementSource(object):
"""Populate with info needed for plugins to find content.
Acts as a iterable over entitlements.
"""
def __init__(self):
self._entitlements = []
self.product_tags = []
def __iter__(self):
return iter(self._entitlements)
def __len__(self):
return len(self._entitlements)
def __getitem__(self, key):
return self._entitlements[key]
def find_content(ent_source, content_type=None):
"""
Scan all entitlements looking for content of the given type. (string)
Type will be compared case insensitive.
Returns a list of model.Content.
"""
entitled_content = []
content_access_entitlement_content = {}
content_labels = set()
log.debug("Searching for content of type: %s" % content_type)
for entitlement in ent_source:
for content in entitlement.contents:
# this is basically matching_content from repolib
if content.content_type.lower() == content_type.lower() and \
content_tag_match(content.tags, ent_source.product_tags):
if entitlement.entitlement_type == CONTENT_ACCESS_CERT_TYPE:
content_access_entitlement_content[content.label] = content
else:
entitled_content.append(content)
content_labels.add(content.label)
# now add content that wasn't covered by basic entitlement certs
for label, content in list(content_access_entitlement_content.items()):
if label not in content_labels:
entitled_content.append(content)
return entitled_content
def content_tag_match(content_tags, product_tags):
"""See if content required tags are provided by installed products.
Note: this is skipped if the content does not have any required tags.
"""
all_tags_found = True
for content_tag in content_tags:
if content_tag not in product_tags:
all_tags_found = False
return all_tags_found