230 lines
7.3 KiB
Python
230 lines
7.3 KiB
Python
import hashlib
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import os
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from charmhelpers.core.hookenv import config
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from charmhelpers.core.host import (
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mkdir,
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write_file,
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service_restart,
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)
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from charmhelpers.contrib.openstack import context
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from charmhelpers.contrib.hahelpers.cluster import (
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determine_apache_port,
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determine_api_port,
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)
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from charmhelpers.core.hookenv import (
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log,
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INFO,
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)
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from charmhelpers.core.strutils import (
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bool_from_string,
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)
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from charmhelpers.contrib.hahelpers.apache import install_ca_cert
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CA_CERT_PATH = '/usr/local/share/ca-certificates/keystone_juju_ca_cert.crt'
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class ApacheSSLContext(context.ApacheSSLContext):
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interfaces = ['https']
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external_ports = []
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service_namespace = 'keystone'
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def __call__(self):
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# late import to work around circular dependency
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from keystone_utils import (
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determine_ports,
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update_hash_from_path,
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)
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ssl_paths = [CA_CERT_PATH,
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os.path.join('/etc/apache2/ssl/',
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self.service_namespace)]
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self.external_ports = determine_ports()
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before = hashlib.sha256()
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for path in ssl_paths:
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update_hash_from_path(before, path)
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ret = super(ApacheSSLContext, self).__call__()
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after = hashlib.sha256()
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for path in ssl_paths:
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update_hash_from_path(after, path)
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# Ensure that apache2 is restarted if these change
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if before.hexdigest() != after.hexdigest():
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service_restart('apache2')
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return ret
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def configure_cert(self, cn):
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from keystone_utils import (
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SSH_USER,
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get_ca,
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ensure_permissions,
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is_ssl_cert_master,
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is_ssl_enabled,
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)
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if not is_ssl_enabled():
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return
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# Ensure ssl dir exists whether master or not
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ssl_dir = os.path.join('/etc/apache2/ssl/', self.service_namespace)
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perms = 0o755
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mkdir(path=ssl_dir, owner=SSH_USER, group='keystone', perms=perms)
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# Ensure accessible by keystone ssh user and group (for sync)
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ensure_permissions(ssl_dir, user=SSH_USER, group='keystone',
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perms=perms)
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if not is_ssl_cert_master():
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log("Not ssl-cert-master - skipping apache cert config until "
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"master is elected", level=INFO)
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return
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log("Creating apache ssl certs in %s" % (ssl_dir), level=INFO)
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ca = get_ca(user=SSH_USER)
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cert, key = ca.get_cert_and_key(common_name=cn)
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write_file(path=os.path.join(ssl_dir, 'cert_{}'.format(cn)),
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content=cert, owner=SSH_USER, group='keystone', perms=0o644)
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write_file(path=os.path.join(ssl_dir, 'key_{}'.format(cn)),
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content=key, owner=SSH_USER, group='keystone', perms=0o644)
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def configure_ca(self):
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from keystone_utils import (
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SSH_USER,
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get_ca,
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ensure_permissions,
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is_ssl_cert_master,
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is_ssl_enabled,
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)
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if not is_ssl_enabled():
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return
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if not is_ssl_cert_master():
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log("Not ssl-cert-master - skipping apache ca config until "
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"master is elected", level=INFO)
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return
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ca = get_ca(user=SSH_USER)
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install_ca_cert(ca.get_ca_bundle())
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# Ensure accessible by keystone ssh user and group (unison)
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ensure_permissions(CA_CERT_PATH, user=SSH_USER, group='keystone',
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perms=0o0644)
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def canonical_names(self):
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addresses = self.get_network_addresses()
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addrs = []
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for address, endpoint in addresses:
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addrs.append(endpoint)
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return list(set(addrs))
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class HAProxyContext(context.HAProxyContext):
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interfaces = []
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def __call__(self):
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'''
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Extends the main charmhelpers HAProxyContext with a port mapping
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specific to this charm.
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Also used to extend nova.conf context with correct api_listening_ports
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'''
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from keystone_utils import api_port
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ctxt = super(HAProxyContext, self).__call__()
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# determine which port api processes should bind to, depending
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# on existence of haproxy + apache frontends
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listen_ports = {}
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listen_ports['admin_port'] = api_port('keystone-admin')
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listen_ports['public_port'] = api_port('keystone-public')
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# Apache ports
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a_admin_port = determine_apache_port(api_port('keystone-admin'),
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singlenode_mode=True)
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a_public_port = determine_apache_port(api_port('keystone-public'),
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singlenode_mode=True)
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port_mapping = {
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'admin-port': [
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api_port('keystone-admin'), a_admin_port],
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'public-port': [
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api_port('keystone-public'), a_public_port],
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}
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# for haproxy.conf
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ctxt['service_ports'] = port_mapping
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# for keystone.conf
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ctxt['listen_ports'] = listen_ports
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return ctxt
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class KeystoneContext(context.OSContextGenerator):
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interfaces = []
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def __call__(self):
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from keystone_utils import (
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api_port, set_admin_token,
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endpoint_url, resolve_address,
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PUBLIC, ADMIN
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)
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ctxt = {}
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ctxt['token'] = set_admin_token(config('admin-token'))
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ctxt['admin_port'] = determine_api_port(api_port('keystone-admin'),
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singlenode_mode=True)
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ctxt['public_port'] = determine_api_port(api_port('keystone-public'),
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singlenode_mode=True)
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debug = config('debug')
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ctxt['debug'] = debug and bool_from_string(debug)
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verbose = config('verbose')
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ctxt['verbose'] = verbose and bool_from_string(verbose)
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ctxt['identity_backend'] = config('identity-backend')
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ctxt['assignment_backend'] = config('assignment-backend')
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if config('identity-backend') == 'ldap':
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ctxt['ldap_server'] = config('ldap-server')
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ctxt['ldap_user'] = config('ldap-user')
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ctxt['ldap_password'] = config('ldap-password')
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ctxt['ldap_suffix'] = config('ldap-suffix')
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ctxt['ldap_readonly'] = config('ldap-readonly')
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ldap_flags = config('ldap-config-flags')
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if ldap_flags:
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flags = context.config_flags_parser(ldap_flags)
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ctxt['ldap_config_flags'] = flags
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enable_pki = config('enable-pki')
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if enable_pki and bool_from_string(enable_pki):
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ctxt['signing'] = True
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# Base endpoint URL's which are used in keystone responses
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# to unauthenticated requests to redirect clients to the
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# correct auth URL.
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ctxt['public_endpoint'] = endpoint_url(
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resolve_address(PUBLIC),
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api_port('keystone-public')).rstrip('v2.0')
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ctxt['admin_endpoint'] = endpoint_url(
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resolve_address(ADMIN),
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api_port('keystone-admin')).rstrip('v2.0')
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return ctxt
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class KeystoneLoggingContext(context.OSContextGenerator):
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def __call__(self):
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ctxt = {}
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debug = config('debug')
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if debug and bool_from_string(debug):
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ctxt['root_level'] = 'DEBUG'
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return ctxt
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