386 lines
15 KiB
Python
386 lines
15 KiB
Python
# Copyright 2016 Canonical Ltd
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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 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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# vim: set ts=4:et
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import json
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from charmhelpers.core.hookenv import (
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config,
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relation_ids,
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related_units,
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relation_get,
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local_unit,
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log,
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ERROR,
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WARNING,
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)
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from charmhelpers.core.strutils import bool_from_string
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from charmhelpers.contrib.openstack import context
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from charmhelpers.contrib.openstack.context import (
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OSContextGenerator,
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context_complete
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)
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from charmhelpers.contrib.hahelpers.cluster import (
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https,
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)
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from charmhelpers.contrib.network.ip import (
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get_ipv6_addr,
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format_ipv6_addr,
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get_relation_ip,
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)
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import charmhelpers.contrib.openstack.policyd as policyd
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from charmhelpers.core.host import pwgen
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VALID_ENDPOINT_TYPES = {
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'PUBLICURL': 'publicURL',
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'INTERNALURL': 'internalURL',
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'ADMINURL': 'adminURL',
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}
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SSL_CERT_FILE = '/etc/apache2/ssl/horizon/cert_dashboard'
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SSL_KEY_FILE = '/etc/apache2/ssl/horizon/key_dashboard'
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class HorizonHAProxyContext(OSContextGenerator):
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def __call__(self):
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'''
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Horizon specific HAProxy context; haproxy is used all the time
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in the openstack dashboard charm so a single instance just
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self refers
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'''
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cluster_hosts = {}
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l_unit = local_unit().replace('/', '-')
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if config('prefer-ipv6'):
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cluster_hosts[l_unit] = get_ipv6_addr(exc_list=[config('vip')])[0]
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else:
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cluster_hosts[l_unit] = get_relation_ip('cluster')
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for rid in relation_ids('cluster'):
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for unit in related_units(rid):
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_unit = unit.replace('/', '-')
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addr = relation_get('private-address', rid=rid, unit=unit)
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cluster_hosts[_unit] = addr
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log('Ensuring haproxy enabled in /etc/default/haproxy.')
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with open('/etc/default/haproxy', 'w') as out:
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out.write('ENABLED=1\n')
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ctxt = {
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'units': cluster_hosts,
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'service_ports': {
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'dash_insecure': [80, 70],
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'dash_secure': [443, 433]
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},
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'prefer_ipv6': config('prefer-ipv6'),
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'haproxy_expose_stats': config('haproxy-expose-stats')
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}
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return ctxt
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class IdentityServiceContext(OSContextGenerator):
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interfaces = ['identity-service']
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def normalize(self, endpoint_type):
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"""Normalizes the endpoint type values.
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:param endpoint_type (string): the endpoint type to normalize.
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:raises: Exception if the endpoint type is not valid.
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:return (string): the normalized form of the endpoint type.
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"""
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normalized_form = VALID_ENDPOINT_TYPES.get(endpoint_type.upper(), None)
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if not normalized_form:
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msg = ('Endpoint type specified %s is not a valid'
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' endpoint type' % endpoint_type)
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log(msg, ERROR)
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raise Exception(msg)
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return normalized_form
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def __call__(self):
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log('Generating template context for identity-service')
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ctxt = {}
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regions = set()
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for rid in relation_ids('identity-service'):
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for unit in related_units(rid):
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rdata = relation_get(rid=rid, unit=unit)
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default_role = config('default-role')
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lc_default_role = config('default-role').lower()
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for role in rdata.get('created_roles', '').split(','):
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if role.lower() == lc_default_role:
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default_role = role
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serv_host = rdata.get('service_host')
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serv_host = format_ipv6_addr(serv_host) or serv_host
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internal_host = rdata.get('internal_host')
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internal_host = (format_ipv6_addr(internal_host)
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or internal_host)
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region = rdata.get('region')
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local_ctxt = {
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'service_port': rdata.get('service_port'),
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'service_host': serv_host,
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'service_protocol':
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rdata.get('service_protocol') or 'http',
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'api_version': rdata.get('api_version', '2'),
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'default_role': default_role
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}
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# If using keystone v3 the context is incomplete without the
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# admin domain id
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if local_ctxt['api_version'] == '3':
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local_ctxt['ks_endpoint_path'] = 'v3'
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if not config('default_domain'):
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local_ctxt['admin_domain_id'] = rdata.get(
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'admin_domain_id')
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else:
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local_ctxt['ks_endpoint_path'] = 'v2.0'
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if not context_complete(local_ctxt):
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continue
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# internal_* keys will be treated as optional, since the user
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# could be upgrading the openstack-dashboard charm before
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# keystone, so we add them to `local_ctxt` after calling
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# `context_complete()`.
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local_ctxt.update({
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'internal_port': rdata.get('internal_port'),
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'internal_host': internal_host,
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'internal_protocol':
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rdata.get('internal_protocol') or 'http',
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})
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# if the use configured the charm to use internal endpoints,
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# but the keystone charm didn't provide the internal_host key
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# in the relation we fallback to use the service_host.
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if config("use-internal-endpoints") and internal_host:
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log("Using internal endpoints to configure horizon")
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local_ctxt["ks_protocol"] = local_ctxt["internal_protocol"]
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local_ctxt["ks_host"] = local_ctxt["internal_host"]
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local_ctxt["ks_port"] = local_ctxt["internal_port"]
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else:
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log("Using service host to configure horizon")
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local_ctxt["ks_protocol"] = local_ctxt["service_protocol"]
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local_ctxt["ks_host"] = local_ctxt["service_host"]
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local_ctxt["ks_port"] = local_ctxt["service_port"]
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# Update the service endpoint and title for each available
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# region in order to support multi-region deployments
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if region is not None:
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if config("use-internal-endpoints") and internal_host:
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endpoint = (
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"{internal_protocol}://{internal_host}"
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":{internal_port}/{ks_endpoint_path}").format(
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**local_ctxt)
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else:
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endpoint = (
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"{service_protocol}://{service_host}"
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":{service_port}/{ks_endpoint_path}").format(
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**local_ctxt)
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for reg in region.split():
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regions.add((endpoint, reg))
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if len(ctxt) == 0:
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ctxt = local_ctxt
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if len(regions) > 1:
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avail_regions = map(lambda r: {'endpoint': r[0], 'title': r[1]},
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regions)
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ctxt['regions'] = sorted(avail_regions,
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key=lambda k: k['endpoint'])
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# Allow the endpoint types to be specified via a config parameter.
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# The config parameter accepts either:
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# 1. a single endpoint type to be specified, in which case the
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# primary endpoint is configured
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# 2. a list of endpoint types, in which case the primary endpoint
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# is taken as the first entry and the secondary endpoint is
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# taken as the second entry. All subsequent entries are ignored.
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ep_types = config('endpoint-type')
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if ep_types:
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ep_types = [self.normalize(e) for e in ep_types.split(',')]
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ctxt['primary_endpoint'] = ep_types[0]
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if len(ep_types) > 1:
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ctxt['secondary_endpoint'] = ep_types[1]
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return ctxt
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class HorizonContext(OSContextGenerator):
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def __call__(self):
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''' Provide all configuration for Horizon '''
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ctxt = {
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'compress_offline':
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bool_from_string(config('offline-compression')),
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'debug': bool_from_string(config('debug')),
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'customization_module': config('customization-module'),
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"webroot": config('webroot') or '/',
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"ubuntu_theme": bool_from_string(config('ubuntu-theme')),
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"default_theme": config('default-theme'),
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"custom_theme": config('custom-theme'),
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"secret": config('secret').strip()
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if config('secret') else pwgen(),
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'support_profile': config('profile')
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if config('profile') in ['cisco'] else None,
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"neutron_network_dvr": config("neutron-network-dvr"),
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"neutron_network_l3ha": config("neutron-network-l3ha"),
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"neutron_network_lb": config("neutron-network-lb"),
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"neutron_network_firewall": config("neutron-network-firewall"),
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"neutron_network_vpn": config("neutron-network-vpn"),
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"cinder_backup": config("cinder-backup"),
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"allow_password_autocompletion":
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config("allow-password-autocompletion"),
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"password_retrieve": config("password-retrieve"),
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'default_domain': config('default-domain'),
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'multi_domain': False if config('default-domain') else True,
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"default_create_volume": config("default-create-volume"),
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'hide_create_volume': config('hide-create-volume'),
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'image_formats': config('image-formats'),
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'api_result_limit': config('api-result-limit') or 1000,
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'enable_fip_topology_check': config('enable-fip-topology-check'),
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'session_timeout': config('session-timeout'),
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'dropdown_max_items': config('dropdown-max-items'),
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'enable_consistency_groups': config('enable-consistency-groups'),
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'disable_instance_snapshot': bool(
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config('disable-instance-snapshot')),
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'disable_password_reveal': config('disable-password-reveal'),
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'enforce_password_check': config('enforce-password-check'),
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'site_branding': config('site-branding'),
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'site_branding_link': config('site-branding-link'),
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'help_url': config('help-url'),
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'create_instance_flavor_sort_key':
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config('create-instance-flavor-sort-key'),
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'create_instance_flavor_sort_reverse':
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config('create-instance-flavor-sort-reverse'),
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}
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return ctxt
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class PolicydContext(OSContextGenerator):
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def __init__(self, policyd_extract_policy_dirs_fn):
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self.policyd_extract_policy_dirs_fn = policyd_extract_policy_dirs_fn
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def __call__(self):
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"""Policyd variables for the local_settings.py configuration file.
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:returns: The context to help set vars in the localsettings.
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:rtype: Dict[str, ANY]
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"""
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activated = (config('use-policyd-override') and
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policyd.is_policy_success_file_set())
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if activated:
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return {
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'policyd_overrides_activated': activated,
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'policy_dirs': self.policyd_extract_policy_dirs_fn(),
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}
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else:
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return {
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'policyd_overrides_activated': activated
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}
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class ApacheContext(OSContextGenerator):
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def __call__(self):
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''' Grab cert and key from configuraton for SSL config '''
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ctxt = {
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'http_port': 70,
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'https_port': 433,
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'enforce_ssl': False,
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'hsts_max_age_seconds': config('hsts-max-age-seconds'),
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"custom_theme": config('custom-theme'),
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}
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if config('enforce-ssl'):
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if https():
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ctxt['enforce_ssl'] = True
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else:
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log("Enforce ssl redirect requested but ssl not configured - "
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"skipping redirect", level=WARNING)
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return ctxt
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class ApacheSSLContext(context.ApacheSSLContext):
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interfaces = ['https']
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external_ports = [443]
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service_namespace = 'horizon'
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def __call__(self):
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return super(ApacheSSLContext, self).__call__()
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class RouterSettingContext(OSContextGenerator):
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def __call__(self):
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''' Enable/Disable Router Tab on horizon '''
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ctxt = {
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'disable_router': False if config('profile') in ['cisco'] else True
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}
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return ctxt
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class LocalSettingsContext(OSContextGenerator):
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def __call__(self):
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''' Additional config stanzas to be appended to local_settings.py '''
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relations = []
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for rid in relation_ids("dashboard-plugin"):
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try:
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unit = related_units(rid)[0]
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except IndexError:
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pass
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else:
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rdata = relation_get(unit=unit, rid=rid)
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if set(('local-settings', 'priority')) <= set(rdata.keys()):
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relations.append((unit, rdata))
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ctxt = {
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'settings': [
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'# {0}\n{1}'.format(u, rd['local-settings'])
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for u, rd in sorted(relations,
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key=lambda r: r[1]['priority'])]
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}
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return ctxt
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class WebSSOFIDServiceProviderContext(OSContextGenerator):
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interfaces = ['websso-fid-service-provider']
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def __call__(self):
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websso_keys = ['protocol-name', 'idp-name', 'user-facing-name']
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relations = []
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for rid in relation_ids("websso-fid-service-provider"):
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try:
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# the first unit will do - the assumption is that all
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# of them should advertise the same data. This needs
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# refactoring if juju gets per-application relation data
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# support
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unit = related_units(rid)[0]
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except IndexError:
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pass
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else:
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rdata = relation_get(unit=unit, rid=rid)
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if set(rdata).issuperset(set(websso_keys)):
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relations.append({k: json.loads(rdata[k])
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for k in websso_keys})
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# populate the context with data from one or more
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# service providers
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ctxt = {'websso_data': relations} if relations else {}
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return ctxt
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