openstack/charm-neutron-api-plugin-ovn
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.tox
.stestr
*__pycache__*
*.pyc
build
interfaces
layers
*.swp

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[DEFAULT]
test_path=./unit_tests
top_dir=./

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# This file is managed centrally. If you find the need to modify this as a
# one-off, please don't. Intead, consult #openstack-charms and ask about
# requirements management in charms via bot-control. Thank you.
#
# Build requirements
charm-tools>=2.4.4
simplejson

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# Overview
This charm is developed as part of the OpenStack Charms project, and as such you
should refer to the [OpenStack Charm Development Guide](https://github.com/openstack/charm-guide) for details on how
to contribute to this charm.
You can find its source code here: <https://github.com/openstack/charm-neutron-api-plugin-ovn>.

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# Overview
OVN provides open source network virtualization for Open vSwitch (OVS).
Subordinate charm that deploys the ``networking-ovn`` component on
``neutron-api`` units and augments Neutron's configuration for use with
the OVN ML2 plugin.
# Usage
# Bugs
Please report bugs on [Launchpad](https://bugs.launchpad.net/charm-neutron-api-plugin-ovn/+filebug).
For general questions please refer to the OpenStack [Charm Guide](https://docs.openstack.org/charm-guide/latest/).

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Format: http://dep.debian.net/deps/dep5/
Files: *
Copyright: Copyright 2019, Canonical Ltd
License: Apache-2.0

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includes:
- layer:leadership
- layer:openstack
- interface:ovsdb-cms
- interface:neutron-plugin-api-subordinate
options:
basic:
use_venv: True
include_system_packages: False
repo: https://github.com/openstack/charm-neutron-api-plugin-ovn
config:
deletes:
- verbose

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# Copyright 2019 Canonical Ltd
#
# 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.

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# Copyright 2019 Canonical Ltd
#
# 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.

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src/lib/charm/openstack/__init__.py Normal file
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# Copyright 2019 Canonical Ltd
#
# 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.

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src/lib/charm/openstack/neutron_api_plugin_ovn.py Normal file
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# Copyright 2019 Canonical Ltd
#
# 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 os
import subprocess
import charms.reactive as reactive
import charmhelpers.core as ch_core
import charms_openstack.adapters
import charms_openstack.charm
class NeutronAPIPluginOvn(charms_openstack.charm.OpenStackCharm):
release = 'train'
name = 'ovn'
packages = ['python3-networking-ovn']
required_relations = ['neutron-plugin', 'ovsdb-cms']
python_version = 3

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name: neutron-api-plugin-ovn
summary: Neutron OVN ML2 plugin
maintainer: OpenStack Charmers <openstack-charmers@lists.ubuntu.com>
description: |
Subordinate charm that deploys the ``networking-ovn`` component on
``neutron-api`` units and augments Neutron's configuration for use with
the OVN ML2 plugin.
tags:
- networking
series:
- bionic
- disco
subordinate: true
requires:
container:
interface: juju-info
scope: container
ovsdb-cms:
interface: ovsdb-cms
provides:
neutron-plugin:
interface: neutron-plugin-api-subordinate
scope: container

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# Copyright 2019 Canonical Ltd
#
# 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.

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src/reactive/neutron_api_plugin_ovn_handlers.py Normal file
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# Copyright 2019 Canonical Ltd
#
# 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 charmhelpers.core as ch_core
import charms.reactive as reactive
import charms.leadership as leadership
import charms_openstack.bus
import charms_openstack.charm as charm
charms_openstack.bus.discover()
# Use the charms.openstack defaults for common states and hooks
charm.use_defaults(
'charm.installed',
'config.changed',
'update-status',
'upgrade-charm',
'certificates.available',
)
@reactive.when_none('neutron-plugin.db_migration',
'neutron-plugin.available')
@reactive.when('charm.installed')
def flag_db_migration():
reactive.set_flag('neutron-plugin.db_migration')
@reactive.when_none('neutron-plugin.available', 'run-default-update-status')
@reactive.when('neutron-plugin.connected')
def request_db_migration():
neutron = reactive.endpoint_from_flag('neutron-plugin.connected')
neutron.request_db_migration()
@reactive.when('neutron-plugin.connected')
def configure_neutron():
neutron = reactive.endpoint_from_flag(
'neutron-plugin.connected')
ch_core.hookenv.log('DEBUG: neutron_config_data="{}"'
.format(neutron.neutron_config_data))
neutron.configure_plugin(
'ovn',
subordinate_configuration={
'neutron-api': {
'/etc/neutron/neutron.conf': {
'sections': {
'blablabla': [
('neutron_conf_key1', 'val1'),
],
},
},
'/etc/neutron/plugins/ml2/ml2_conf.ini': {
'sections': {
'ovn': [
('ml2_conf_key1', 'val1'),
],
},
},
},
},
)
@reactive.when('neutron-plugin.available')
def assess_status():
with charm.provide_charm_instance() as instance:
instance.assess_status()
@reactive.when('ovsdb-cms.available')
def poke_ovsdb():
ovsdb = reactive.endpoint_from_flag('ovsdb-cms.available')
ch_core.hookenv.log('DEBUG: cluster_remote_addrs="{}"'
.format(list(ovsdb.cluster_remote_addrs)))

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# This file is managed centrally. If you find the need to modify this as a
# one-off, please don't. Intead, consult #openstack-charms and ask about
# requirements management in charms via bot-control. Thank you.
charm-tools>=2.4.4
coverage>=3.6
mock>=1.2
flake8>=2.2.4,<=2.4.1
stestr>=2.2.0
requests>=2.18.4
git+https://github.com/openstack-charmers/zaza.git#egg=zaza
git+https://github.com/openstack-charmers/zaza-openstack-tests.git@add-ovn#egg=zaza.openstack

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series: bionic
applications:
keystone:
charm: cs:~openstack-charmers-next/keystone
num_units: 1
options:
openstack-origin: cloud:bionic-stein
mysql:
charm: cs:~openstack-charmers-next/percona-cluster
num_units: 1
neutron-api:
series: bionic
charm: /home/frode/Projects/OpenStack/charm-neutron-api
num_units: 3
options:
manage-neutron-plugin-legacy-mode: false
openstack-origin: cloud:bionic-stein
neutron-api-plugin-ovn:
series: bionic
charm: neutron-api-plugin-ovn
rabbitmq-server:
charm: cs:~openstack-charmers-next/rabbitmq-server
num_units: 1
vault:
charm: cs:~openstack-charmers-next/vault
num_units: 1
ovn:
series: bionic
charm: /home/frode/Projects/OpenStack/charm-ovn/build/builds/ovn
num_units: 3
options:
source: cloud:bionic-train
relations:
- - mysql:shared-db
- keystone:shared-db
- - mysql:shared-db
- neutron-api:shared-db
- - neutron-api:amqp
- rabbitmq-server:amqp
- - neutron-api:identity-service
- keystone:identity-service
- - neutron-api-plugin-ovn:neutron-plugin
- neutron-api:neutron-plugin-api-subordinate
- - neutron-api-plugin-ovn:ovsdb-cms
- ovn:ovsdb-cms
- - vault:shared-db
- mysql:shared-db
- - ovn:certificates
- vault:certificates
- - neutron-api-plugin-ovn:certificates
- vault:certificates
- - keystone:certificates
- vault:certificates
- - neutron-api:certificates
- vault:certificates

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charm_name: neutron-api-plugin-ovn
smoke_bundles:
- bionic-stein
target_deploy_status:
neutron-api-plugin-ovn:
workload-status: waiting
workload-status-message: "'ovsdb-cms' incomplete"
ovn:
workload-status: blocked
workload-status-message: "'certificates' missing"
vault:
workload-status: blocked
workload-status-message: Vault needs to be initialized
configure:
- zaza.openstack.charm_tests.vault.setup.auto_initialize
tests:
- zaza.charm_tests.noop.tests.NoopTest

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[tox]
envlist = pep8
skipsdist = True
[testenv]
setenv = VIRTUAL_ENV={envdir}
PYTHONHASHSEED=0
whitelist_externals = juju
passenv = HOME TERM CS_API_* OS_* AMULET_*
deps = -r{toxinidir}/test-requirements.txt
install_command =
pip install {opts} {packages}
[testenv:pep8]
basepython = python3
deps=charm-tools
commands = charm-proof
[testenv:func-noop]
basepython = python3
commands =
true
[testenv:func]
basepython = python3
commands =
functest-run-suite --keep-model
[testenv:func-smoke]
basepython = python3
commands =
functest-run-suite --keep-model --smoke
[testenv:venv]
commands = {posargs}

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test-requirements.txt Normal file
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# This file is managed centrally. If you find the need to modify this as a
# one-off, please don't. Intead, consult #openstack-charms and ask about
# requirements management in charms via bot-control. Thank you.
#
# Lint and unit test requirements
flake8>=2.2.4,<=2.4.1
stestr>=2.2.0
requests>=2.18.4
charms.reactive
mock>=1.2
nose>=1.3.7
coverage>=3.6
git+https://github.com/openstack/charms.openstack.git#egg=charms.openstack

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# Source charm: ./tox.ini
# This file is managed centrally by release-tools and should not be modified
# within individual charm repos.
[tox]
skipsdist = True
envlist = pep8,py3
[testenv]
setenv = VIRTUAL_ENV={envdir}
PYTHONHASHSEED=0
TERM=linux
CHARM_LAYERS_DIR={toxinidir}/layers
CHARM_INTERFACES_DIR={toxinidir}/interfaces
JUJU_REPOSITORY={toxinidir}/build
passenv = http_proxy https_proxy INTERFACE_PATH
install_command =
pip install {opts} {packages}
deps =
-r{toxinidir}/requirements.txt
[testenv:build]
basepython = python3
commands =
charm-build --log-level DEBUG -o {toxinidir}/build src {posargs}
[testenv:py3]
basepython = python3
deps = -r{toxinidir}/test-requirements.txt
commands = stestr run {posargs}
[testenv:py35]
basepython = python3.5
deps = -r{toxinidir}/test-requirements.txt
commands = stestr run {posargs}
[testenv:py36]
basepython = python3.6
deps = -r{toxinidir}/test-requirements.txt
commands = stestr run {posargs}
[testenv:pep8]
basepython = python3
deps = -r{toxinidir}/test-requirements.txt
commands = flake8 {posargs} src unit_tests
[testenv:cover]
# Technique based heavily upon
# https://github.com/openstack/nova/blob/master/tox.ini
basepython = python3
deps = -r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
setenv =
{[testenv]setenv}
PYTHON=coverage run
commands =
coverage erase
stestr run {posargs}
coverage combine
coverage html -d cover
coverage xml -o cover/coverage.xml
coverage report
[coverage:run]
branch = True
concurrency = multiprocessing
parallel = True
source =
.
omit =
.tox/*
*/charmhelpers/*
unit_tests/*
[testenv:venv]
basepython = python3
commands = {posargs}
[flake8]
# E402 ignore necessary for path append before sys module import in actions
ignore = E402

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# Copyright 2018 Canonical Ltd
#
# 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 sys
sys.path.append('src')
sys.path.append('src/lib')
# Mock out charmhelpers so that we can test without it.
import charms_openstack.test_mocks # noqa
charms_openstack.test_mocks.mock_charmhelpers()
import mock
import charms
charms.leadership = mock.MagicMock()
keystoneauth1 = mock.MagicMock()
neutronclient = mock.MagicMock()
sys.modules['charms.leadership'] = charms.leadership
keystoneauth1 = mock.MagicMock()
novaclient = mock.MagicMock()
neutron_lib = mock.MagicMock()
sys.modules['charms.leadership'] = charms.leadership
sys.modules['keystoneauth1'] = keystoneauth1
sys.modules['novaclient'] = novaclient
sys.modules['neutronclient'] = neutronclient
sys.modules['neutronclient.v2_0'] = neutronclient.v2_0
sys.modules['neutron_lib'] = neutron_lib
sys.modules['neutron_lib.constants'] = neutron_lib.constants

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# Copyright 2019 Canonical Ltd
#
# 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 mock
import os
import charms_openstack.test_utils as test_utils
import charm.openstack.ovn as ovn
class TestOVNConfigProperties(test_utils.PatchHelper):
def test_cluster_local_addr(self):
self.patch_object(ovn.ch_core.hookenv, 'unit_get')
cls = mock.MagicMock()
self.assertEquals(ovn.cluster_local_addr(cls), self.unit_get())
def test_db_nb_port(self):
cls = mock.MagicMock()
self.assertEquals(ovn.db_nb_port(cls), ovn.DB_NB_PORT)
def test_db_sb_port(self):
cls = mock.MagicMock()
self.assertEquals(ovn.db_sb_port(cls), ovn.DB_SB_PORT)
class Helper(test_utils.PatchHelper):
def setUp(self):
super().setUp()
self.patch_release(ovn.OVNCharm.release)
class TestOVNCharm(Helper):
def test_install(self):
self.patch_object(ovn.charms_openstack.charm.OpenStackCharm,
'install')
self.patch_object(ovn.os.path, 'islink')
self.islink.return_value = False
self.patch_object(ovn.os, 'symlink')
c = ovn.OVNCharm()
c.install()
self.islink.assert_called_once_with(
'/etc/systemd/system/ovn-central.service')
self.symlink.assert_called_once_with(
'/dev/null',
'/etc/systemd/system/ovn-central.service')
self.install.assert_called_once_with()
def test__default_port_list(self):
c = ovn.OVNCharm()
self.assertEquals(
c._default_port_list(),
[ovn.DB_NB_PORT, ovn.DB_SB_PORT])
def test_ports_to_check(self):
c = ovn.OVNCharm()
c._default_port_list = mock.MagicMock()
c.ports_to_check()
c._default_port_list.assert_called_once_with()
def test_enable_services(self):
self.patch_object(ovn.ch_core.host, 'service_resume')
c = ovn.OVNCharm()
c.check_if_paused = mock.MagicMock()
c.check_if_paused.return_value = ('status', 'message')
c.enable_services()
c.check_if_paused.assert_called_once_with()
self.assertFalse(self.service_resume.called)
c.check_if_paused.return_value = (None, None)
c.enable_services()
self.service_resume.assert_called_once_with('ovn-central')
def test_ovs_controller_cert(self):
c = ovn.OVNCharm()
self.assertEquals(
c.ovs_controller_cert,
os.path.join(ovn.OVS_ETCDIR, 'cert_host'))
def test_ovs_controller_key(self):
c = ovn.OVNCharm()
self.assertEquals(
c.ovs_controller_key,
os.path.join(ovn.OVS_ETCDIR, 'key_host'))
def test_run(self):
self.patch_object(ovn.subprocess, 'run')
self.patch_object(ovn.ch_core.hookenv, 'log')
c = ovn.OVNCharm()
c.run('some', 'args')
self.run.assert_called_once_with(
('some', 'args'),
stdout=ovn.subprocess.PIPE,
stderr=ovn.subprocess.STDOUT,
check=True,
universal_newlines=True)
def test_configure_tls(self):
self.patch_object(ovn.ch_core.hookenv, 'service_name')
self.service_name.return_value = 'fakeservice'
self.patch_object(ovn.charms_openstack.charm.OpenStackCharm,
'configure_tls')
self.configure_tls.return_value = [{
'cert': 'fakecert',
'key': 'fakekey',
'cn': 'fakecn',
}]
c = ovn.OVNCharm()
c.configure_cert = mock.MagicMock()
c.run = mock.MagicMock()
c.configure_tls()
self.configure_tls.assert_called_once_with(certificates_interface=None)
c.configure_cert.assert_called_once_with(
ovn.OVS_ETCDIR,
'fakecert',
'fakekey',
cn='host')
c.run.assert_has_calls([
mock.call('ovs-vsctl',
'set-ssl',
'/etc/openvswitch/key_host',
'/etc/openvswitch/cert_host',
'/usr/local/share/ca-certificates/fakeservice.crt'),
mock.call('ovn-nbctl',
'set-ssl',
'/etc/openvswitch/key_host',
'/etc/openvswitch/cert_host',
'/usr/local/share/ca-certificates/fakeservice.crt'),
mock.call('ovn-sbctl',
'set-ssl',
'/etc/openvswitch/key_host',
'/etc/openvswitch/cert_host',
'/usr/local/share/ca-certificates/fakeservice.crt'),
mock.call('ovn-nbctl',
'set-connection',
'pssl:6641'),
mock.call('ovn-sbctl',
'set-connection',
'role=ovn-controller',
'pssl:6642'),
mock.call('ovs-vsctl',
'set',
'open',
'.',
'external-ids:ovn-remote=ssl:127.0.0.1:6642')
])

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# Copyright 2019 Canonical Ltd
#
# 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 mock
import reactive.ovn_handlers as handlers
import charms_openstack.test_utils as test_utils
class TestRegisteredHooks(test_utils.TestRegisteredHooks):
def test_hooks(self):
defaults = [
'charm.installed',
'config.changed',
'update-status',
'upgrade-charm',
]
hook_set = {
'when': {
'render': ('charm.installed',),
'certificates_in_config_tls': ('config.rendered',
'config.changed',),
},
'when_not_all': {
'certificates_in_config_tls': ('config.default.ssl_ca',
'config.default.ssl_cert',
'config.default.ssl_key',),
},
}
# test that the hooks were registered via the
# reactive.ovn_handlers
self.registered_hooks_test_helper(handlers, hook_set, defaults)
class TestOvnHandlers(test_utils.PatchHelper):
def setUp(self):
super().setUp()
# self.patch_release(octavia.OctaviaCharm.release)
self.charm = mock.MagicMock()
self.patch_object(handlers.charm, 'provide_charm_instance',
new=mock.MagicMock())
self.provide_charm_instance().__enter__.return_value = \
self.charm
self.provide_charm_instance().__exit__.return_value = None
def test_render(self):
self.patch_object(handlers.charm, 'use_defaults')
self.patch_object(handlers.reactive, 'set_flag')
self.charm.enable_services.return_value = False
handlers.render()
self.charm.render_with_interfaces.assert_called_once_with([])
self.charm.enable_services.assert_called_once_with()
self.assertFalse(self.use_defaults.called)
self.assertFalse(self.set_flag.called)
self.charm.assess_status.assert_called_once_with()
self.charm.enable_services.return_value = True
handlers.render()
self.use_defaults.assert_called_once_with('certificates.available')
self.set_flag.assert_called_once_with('config.rendered')