Initial commit of charm skeleton

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Frode Nordahl 2019-08-12 12:13:22 +02:00
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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-ovn>.

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# Overview
OVN provides open source network virtualization for Open vSwitch (OVS).
Principal charm that deploys ovn-northd, the OVN central control daemon, and
ovsdb-server, the Open vSwitch Database (OVSDB).
# Usage
# Bugs
Please report bugs on [Launchpad](https://bugs.launchpad.net/charm-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 2018, Canonical Ltd
License: Apache-2.0

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includes:
- layer:leadership
- layer:openstack
- layer:tls-client
- interface:tls-certificates
options:
basic:
use_venv: True
include_system_packages: False
repo: https://github.com/openstack/charm-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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# 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.
import charms_openstack.charm
class OVNCharm(charms_openstack.charm.OpenStackCharm):
release = 'queens'
name = 'ovn'
packages = ['ovn-central']
services = ['ovn-central']
required_relations = ['certificates']
restart_map = {
'/etc/default/ovn-central': services,
}
python_version = 3

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comment: |
NOTE(fnordahl): This is not required by the services the charm ultimately
will run, but is currently required by how it is packaged. We should work
towards not having this dependency.
config:
linux.kernel_modules: openvswitch

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name: ovn
summary: Open Virtual Network for Open vSwitch
maintainer: OpenStack Charmers <openstack-charmers@lists.ubuntu.com>
description: |
Principal charm that deploys ovn-northd, the OVN central control daemon,
and ovsdb-server, the Open vSwitch Database (OVSDB).
The ovn-northd daemon is responsible for translating the high-level OVN
configuration into logical configuration consumable by daemons such as
ovn-controller.
The ovn-northd process talks to OVN Northbound- and Southbound- databases.
The ovsdb-server exposes endpoints over relations implemented by the ovsdb
interface.
The charm supports clustering of the OVSDB, you must have a odd number of
units for this to work. Note that write performance decreases as you
increase the number of units.
Running multiple ovn-northd daemons is supported and they will operate in
active/passive mode. The daemon uses a locking feature in the OVSDB to
automatically choose a single active instance.
tags:
- networking
series:
- bionic
- disco
subordinate: false
requires:
certificates:
interface: tls-certificates
provides:
ovsdb:
interface: ovsdb

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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.
import charmhelpers.contrib.openstack.cert_utils as cert_utils
import charms.reactive as reactive
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')
@reactive.when('certificates.available')
def request_certificates(tls):
with charm.provide_charm_instance() as instance:
for cn, req in cert_utils.get_certificate_request(
json_encode=False).get('cert_requests', {}).items():
tls.add_request_server_cert(cn, req['sans'])
tls.request_server_certs()
# make charms.openstack required relation check happy
reactive.set_flag('certificates.connected')
instance.assess_status()
@reactive.when_any(
'certificates.ca.changed',
'certificates.server.certs.changed')
def render(*args):
with charm.provide_charm_instance() as instance:
instance.render_with_interfaces(args)
reactive.clear_flag('certificates.ca.changed')
reactive.clear_flag('certificates.server.certs.changed')
instance.assess_status()

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# This is a POSIX shell fragment -*- sh -*-
###############################################################################
# [ WARNING ]
# Configuration file maintained by Juju. Local changes may be overwritten.
# Configuration managed by neutron-openvswitch charm
###############################################################################
# OVN_CTL_OPTS: Extra options to pass to ovs-ctl. This is, for example,
# a suitable place to specify --ovn-northd-wrapper=valgrind.
# OVN_CTL_OPTS=

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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
relations:
- - vault:shared-db
- mysql:shared-db
- - ovn:certificates
- vault:certificates
applications:
mysql:
charm: cs:~openstack-charmers-next/percona-cluster
num_units: 1
vault:
charm: cs:~openstack-charmers-next/vault
num_units: 1
ovn:
series: bionic
charm: cs:~openstack-charmers-next/ovn
num_units: 1

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series: disco
relations:
- - vault:shared-db
- mysql:shared-db
- - ovn:certificates
- vault:certificates
applications:
mysql:
charm: cs:~openstack-charmers-next/percona-cluster
num_units: 1
vault:
charm: cs:~openstack-charmers-next/vault
num_units: 1
ovn:
series: disco
charm: cs:~openstack-charmers-next/ovn
num_units: 1

17
src/tests/tests.yaml Normal file
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charm_name: ovn
gate_bundles:
- disco
- bionic
smoke_bundles:
- bionic
target_deploy_status:
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.ovn.setup.initialize_vault
tests:
- zaza.charm_tests.noop.tests.NoopTest

35
src/tox.ini Normal file
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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}

2
src/wheelhouse.txt Normal file
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dnspython
psutil

13
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

79
tox.ini Normal file
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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
LAYER_PATH={toxinidir}/layers
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

39
unit_tests/__init__.py Normal file
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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 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': {
'request_certificates': ('certificates.available',),
},
'when_any': {
'render': ('certificates.ca.changed',
'certificates.server.certs.changed',),
},
}
# 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_request_certificates(self):
self.patch_object(handlers.cert_utils, 'get_certificate_request')
self.get_certificate_request.return_value = {
'cert_requests': {
'aCn': {'sans': 'aSans'},
},
}
self.patch('charms.reactive.set_flag', 'set_flag')
tls_relation = mock.MagicMock()
handlers.request_certificates(tls_relation)
tls_relation.add_request_server_cert.assert_called_once_with(
'aCn', 'aSans')
tls_relation.request_server_certs.assert_called_once_with()
self.set_flag.assert_called_once_with('certificates.connected')
self.charm.assess_status.assert_called_once_with()
def test_render(self):
self.patch('charms.reactive.clear_flag', 'clear_flag')
handlers.render('arg1', 'arg2')
self.charm.render_with_interfaces.assert_called_once_with(
('arg1', 'arg2'))
self.clear_flag.assert_has_calls([
mock.call('certificates.ca.changed'),
mock.call('certificates.server.certs.changed'),
])
self.charm.assess_status.assert_called_once_with()