438 lines
19 KiB
Python
438 lines
19 KiB
Python
# Copyright (c) 2014 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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from poppy.common import decorators
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from poppy.openstack.common import log
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from poppy.provider import base
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LOG = log.getLogger(__name__)
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class ServiceController(base.ServiceBase):
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@property
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def policy_api_client(self):
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return self.driver.policy_api_client
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@property
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def ccu_api_client(self):
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return self.driver.ccu_api_client
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def __init__(self, driver):
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super(ServiceController, self).__init__(driver)
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self.driver = driver
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self.policy_api_base_url = self.driver.akamai_policy_api_base_url
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self.ccu_api_base_url = self.driver.akamai_ccu_api_base_url
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self.request_header = {'Content-type': 'application/json',
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'Accept': 'text/plain'}
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def create(self, service_obj):
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post_data = {
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'rules': []
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}
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# for now global level akamai only supports 1 origin match global
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# * url. At this point we are guaranteed there is at least 1 origin
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# in incoming service_obj
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# form all origin rules for this service
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for origin in service_obj.origins:
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self._process_new_origin(origin, post_data['rules'])
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# referrer restriction implementaiton for akamai
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# get a list of referrer restriction domains/hosts
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referrer_restriction_list = [rule.referrer
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for restriction in
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service_obj.restrictions
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for rule in restriction.rules]
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if any(referrer_restriction_list):
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referrer_whitelist_value = ''.join(['*%s*' % referrer
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for referrer
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in referrer_restriction_list
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if referrer is not None])
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for rule in post_data['rules']:
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self._process_referrer_restriction(referrer_whitelist_value,
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rule)
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classified_domains = self._classify_domains(service_obj.domains)
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try:
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# NOTE(tonytan4ever): for akamai it might be possible to have
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# multiple policies associated with one poppy service, so we use
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# a list to represent provide_detail id
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ids = []
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links = []
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for classified_domain in classified_domains:
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# assign the content realm to be the digital property field
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# of each group
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dp = self._process_new_domain(classified_domain,
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post_data['rules'])
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resp = self.policy_api_client.put(
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self.policy_api_base_url.format(
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policy_name=dp),
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data=json.dumps(post_data),
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headers=self.request_header)
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LOG.info('akamai response code: %s' % resp.status_code)
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LOG.info('akamai response text: %s' % resp.text)
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if resp.status_code != 200:
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raise RuntimeError(resp.text)
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ids.append(dp)
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# TODO(tonytan4ever): leave empty links for now
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# may need to work with dns integration
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LOG.info('Creating policy %s on domain %s complete' %
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(dp, ','.join(classified_domain)))
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links.append({'href': self.driver.akamai_access_url_link,
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'rel': 'access_url',
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'domain': service_obj.name
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})
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except Exception:
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return self.responder.failed("failed to create service")
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else:
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return self.responder.created(json.dumps(ids), links)
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def _classify_domains(self, domains_list):
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# classify domains into different categories based on first two level
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# of domains, group them together
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result_dict = {}
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for domain in domains_list:
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# get the content_realm (1st and 2nd level domain of each domains)
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content_realm = '.'.join(domain.domain.split('.')[-2:])
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if content_realm not in result_dict:
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result_dict[content_realm] = [domain.domain]
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else:
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result_dict[content_realm].append(domain.domain)
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return [domain_mapping[1] for domain_mapping in result_dict.items()]
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def _process_new_origin(self, origin, rules_list):
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rule_dict_template = {
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'matches': [],
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'behaviors': []
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}
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origin_behavior_dict = {
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'name': 'origin',
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'value': '-',
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'params': {
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# missing digitalProperty(domain) for now
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'originDomain': '',
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'hostHeaderType': 'digital_property',
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'cacheKeyType': 'origin',
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'hostHeaderValue': '-',
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'cacheKeyValue': '-'
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}
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}
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# this is the global 'url-wildcard' rule
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if origin.rules == []:
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match_rule = {
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'name': 'url-wildcard',
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'value': '/*'
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}
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rule_dict_template['matches'].append(match_rule)
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else:
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for rule in origin.rules:
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match_rule = {
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'name': 'url-path',
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'value': rule.request_url
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}
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rule_dict_template['matches'].append(
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match_rule)
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if origin.ssl:
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rule_dict_template['matches'].append({
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'name': 'url-scheme',
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'value': 'HTTPS'
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})
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origin_behavior_dict['params']['originDomain'] = (
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origin.origin
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)
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rule_dict_template['behaviors'].append(
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origin_behavior_dict
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)
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# Append the new generated rules
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rules_list.append(rule_dict_template)
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def _process_new_domain(self, domain, rules_list):
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dp = '.'.join(domain[0].split('.')[-2:])
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for rule in rules_list:
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for behavior in rule['behaviors']:
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if 'params' in behavior:
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behavior['params']['digitalProperty'] = dp
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return dp
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def _process_referrer_restriction(self, referrer_whitelist_value, rule):
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rule['behaviors'].append({
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'name': 'referer-whitelist',
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'value': referrer_whitelist_value
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})
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def get(self, service_name):
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pass
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def update(self, provider_service_id,
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service_old,
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service_updates,
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service_obj):
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# depending on domains field presented or not, do PUT/POST
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# and depending on origins field presented or not, set behavior on
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# the data or not
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try:
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# get a list of policies
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policies = json.loads(provider_service_id)
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except Exception:
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# raise a more meaningful error for debugging info
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try:
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raise RuntimeError('Mal-formed Akaimai policy ids: %s' %
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provider_service_id)
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except Exception:
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return self.responder.failed("failed to update service")
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ids = []
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links = []
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if len(service_obj.domains) > 0:
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# in this case we need to copy
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# and tweak the content of one old policy
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# and creates new policy for the new domains,
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# old policies ought to be deleted.
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try:
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resp = self.policy_api_client.get(
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self.policy_api_base_url.format(
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policy_name=policies[0]),
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headers=self.request_header)
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if resp.status_code != 200:
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raise RuntimeError(resp.text)
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except Exception:
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return self.responder.failed("failed to update service")
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else:
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policy_content = json.loads(resp.text)
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# Update origin if necessary
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if len(service_obj.origins) > 0:
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policy_content['rules'] = []
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for origin in service_obj.origins:
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self._process_new_origin(origin, policy_content['rules'])
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# referrer restriction implementaiton for akamai
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# get a list of referrer restriction domains/hosts
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referrer_restriction_list = [rule.referrer
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for restriction in
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service_obj.restrictions
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for rule in restriction.rules]
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if any(referrer_restriction_list):
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referrer_whitelist_value = ''.join(['*%s*' % referrer
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for referrer
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in referrer_restriction_list
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if referrer is not None])
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for rule in policy_content['rules']:
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self._process_referrer_restriction(
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referrer_whitelist_value, rule)
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# Update domain if necessary ( by adjust digital property)
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classified_domains = self._classify_domains(service_obj.domains)
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try:
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for classified_domain in classified_domains:
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# assign the content realm to be the digital property field
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# of each group
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dp = self._process_new_domain(classified_domain,
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policy_content['rules'])
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if dp in policies:
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# in this case we should update existing policy
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# instead of create a new policy
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LOG.info('Start to update policy %s' % dp)
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resp = self.policy_api_client.put(
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self.policy_api_base_url.format(
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policy_name=dp),
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data=json.dumps(policy_content),
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headers=self.request_header)
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policies.remove(dp)
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else:
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LOG.info('Start to create new policy %s' % dp)
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resp = self.policy_api_client.put(
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self.policy_api_base_url.format(
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policy_name=dp),
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data=json.dumps(policy_content),
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headers=self.request_header)
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LOG.info('akamai response code: %s' % resp.status_code)
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LOG.info('akamai response text: %s' % resp.text)
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if resp.status_code != 200:
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raise RuntimeError(resp.text)
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ids.append(classified_domain[0])
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# TODO(tonytan4ever): leave empty links for now
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# may need to work with dns integration
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LOG.info('Creating/Updateing policy %s on domain %s '
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'complete' % (dp, ','.join(classified_domain)))
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links.append({'href': self.driver.akamai_access_url_link,
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'rel': 'access_url',
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'domain': service_obj.name
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})
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except Exception:
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return self.responder.failed("failed to update service")
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try:
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for policy in policies:
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LOG.info('Starting to delete old policy %s' % policy)
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resp = self.policy_api_client.delete(
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self.policy_api_base_url.format(
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policy_name=policy))
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LOG.info('akamai response code: %s' % resp.status_code)
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LOG.info('akamai response text: %s' % resp.text)
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if resp.status_code != 200:
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raise RuntimeError(resp.text)
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LOG.info('Delete old policy %s complete' % policy)
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except Exception:
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return self.responder.failed("failed to update service")
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else:
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# in this case we only need to adjust the existing policies
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for policy in policies:
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try:
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resp = self.policy_api_client.get(
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self.policy_api_base_url.format(policy_name=policy),
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headers=self.request_header)
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if resp.status_code != 200:
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raise RuntimeError(resp.text)
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except Exception:
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return self.responder.failed("failed to update service")
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else:
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policy_content = json.loads(resp.text)
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if len(service_obj.origins) > 0:
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policy_content['rules'] = []
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for origin in service_obj.origins:
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self._process_new_origin(origin,
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policy_content['rules'])
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# referrer restriction implementaiton for akamai
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# get a list of referrer restriction domains/hosts
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referrer_restriction_list = [rule.referrer
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for restriction in
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service_obj.restrictions
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for rule in restriction.rules]
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if any(referrer_restriction_list):
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referrer_whitelist_value = ''.join(
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['*%s*' % referrer for referrer
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in referrer_restriction_list
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if referrer is not None])
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for rule in policy_content['rules']:
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self._process_referrer_restriction(
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referrer_whitelist_value, rule)
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# post new policies back with Akamai Policy API
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try:
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LOG.info('Start to update policy %s ' % policy)
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resp = self.policy_api_client.put(
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self.policy_api_base_url.format(
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policy_name=policy),
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data=json.dumps(policy_content),
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headers=self.request_header)
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LOG.info('akamai response code: %s' % resp.status_code)
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LOG.info('akamai response text: %s' % resp.text)
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LOG.info('Update policy %s complete' % policy)
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except Exception:
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return self.responder.failed("failed to update service")
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ids = policies
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links.append({'href': self.driver.akamai_access_url_link,
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'rel': 'access_url',
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'domain': service_obj.name
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})
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return self.responder.updated(json.dumps(ids), links)
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def delete(self, provider_service_id):
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# delete needs to provide a list of policy id/domains
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# then delete them accordingly
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try:
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policies = json.loads(provider_service_id)
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except Exception:
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# raise a more meaningful error for debugging info
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try:
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raise RuntimeError('Mal-formed Akaimai policy ids: %s' %
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provider_service_id)
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except Exception:
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return self.responder.failed("failed to delete service")
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try:
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for policy in policies:
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LOG.info('Starting to delete policy %s' % policy)
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resp = self.policy_api_client.delete(
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self.policy_api_base_url.format(policy_name=policy))
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LOG.info('akamai response code: %s' % resp.status_code)
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LOG.info('akamai response text: %s' % resp.text)
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if resp.status_code != 200:
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raise RuntimeError(resp.text)
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except Exception:
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return self.responder.failed("failed to delete service")
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else:
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return self.responder.deleted(provider_service_id)
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def purge(self, provider_service_id, purge_url=None):
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try:
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# Get the service
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if purge_url is None:
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raise RuntimeError('Akamai purge-all functionality has not'
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' been implemented')
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else:
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try:
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policies = json.loads(provider_service_id)
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except Exception:
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# raise a more meaningful error for debugging info
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try:
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raise RuntimeError('Mal-formed Akaimai policy ids: %s'
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% provider_service_id)
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except Exception:
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return self.responder.failed("failed to delete "
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"service")
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for policy in policies:
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resp = self.policy_api_client.get(
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self.policy_api_base_url.format(policy_name=policy),
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headers=self.request_header)
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if resp.status_code != 200:
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raise RuntimeError(resp.text)
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else:
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url_scheme = 'http'
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policy_content = json.loads(resp.text)
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# loop over matches to get the correct url scheme
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for m_item in policy_content['rules'][0]['matches']:
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if m_item['name'] == 'url-scheme':
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url_scheme = m_item['value']
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break
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actual_purge_url = url_scheme + "://www." + policy + (
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purge_url)
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data = {
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'objects': [
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actual_purge_url
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]
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}
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resp = self.ccu_api_client.post(self.ccu_api_base_url,
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data=json.dumps(data),
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headers=(
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self.request_header
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))
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if resp.status_code != 201:
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raise RuntimeError(resp.text)
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return self.responder.purged(provider_service_id,
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purge_url=purge_url)
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except Exception:
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return self.responder.failed("failed to PURGE service")
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@decorators.lazy_property(write=False)
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def current_customer(self):
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return None
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