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charm-neutron-api-plugin-arista
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changes/73/738573/1
Michael Skalka 4 years ago
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  1. 0
      src/README.ex
  2. 43
      src/config.yaml
  3. 279
      src/icon.svg
  4. 3
      src/layer.yaml
  5. 77
      src/lib/charm/openstack/neutron_arista.py
  6. 19
      src/metadata.yaml
  7. 56
      src/reactive/neutron_arista_handlers.py
  8. 11
      src/templates/ml2_conf_arista.ini
  9. 5
      src/tests/00-setup
  10. 35
      src/tests/10-deploy

0
src/README.ex
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43
src/config.yaml
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options:
arista-version:
default: '2017.2.2'
type: string
description: Arista Driver version
pip-proxy:
type: string
default: None
description: Proxy address to install python modules behind a proxy.
eapi-host:
default:
type: string
description: |
Set a comma separated list of IP addresses for each CVX instance.
If CVX has been deployed in a highly available (HA) cluster,
specify each instance IP separated by a comma.
eapi-username:
default:
type: string
description: EOS command API username. This is required field.
eapi-password:
default:
type: string
description: EOS command API password. This is required field.
api-type:
default: EAPI
type: string
description: |
Tells the plugin to use a sepcific API interfaces to communicate
with CVX. Valid options are:
.
EAPI - Use EOS extensible API.
JSON - Use EOS JSON/REST API.
.
region-name:
default: RegionOne
type: string
description: |
Name of the OpenStack region.
service-plugins:
default: router,firewall,metering,neutron_lbaas.services.loadbalancer.plugin.LoadBalancerPluginv2
type: string
description: Override of Neutron-API service plugins setting.

279
src/icon.svg
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3
src/layer.yaml
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includes:
- 'layer:openstack'
- 'interface:neutron-plugin-api-subordinate'

77
src/lib/charm/openstack/neutron_arista.py
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#!/usr/bin/env python
import subprocess
import charmhelpers.core.hookenv as hookenv
from charmhelpers.core.hookenv import (
config,
log,
status_set,
is_leader,
leader_get,
leader_set,
)
import charms_openstack.charm
from charmhelpers.contrib.python.packages import pip_install
from charmhelpers.contrib.openstack import context
from charmhelpers.contrib.openstack.utils import (
CompareOpenStackReleases,
os_release,
)
ML2_CONFIG_ARISTA = '/etc/neutron/plugins/ml2/ml2_conf_arista.ini'
TEMPLATES = 'templates/'
class NeutronAristaCharm(charms_openstack.charm.OpenStackCharm):
# Internal name of charm
service_name = name = 'neutron-arista'
# First release supported
release = 'queens'
# List of packages to install for this charm
packages = ['']
def install(self):
package_version = config('arista-version')
package_name = 'networking-arista==%s' % package_version
proxy = config('pip-proxy')
if proxy:
pip_install(package_name, fatal=True, proxy=proxy)
else:
pip_install(package_name, fatal=True)
status_set('active', 'Unit is ready')
class AristaMl2Context(context.OSContextGenerator):
def __call__(self):
ctxt = {'eapi_host': config('eapi-host'),
'eapi_username': config('eapi-username'),
'eapi_password': config('eapi-password'),
'region_name': config('region-name'),
'api_type': config('api-type'),
'arista_version': config('arista-version')}
return ctxt
def register_configs(release=None):
resources = OrderedDict([
(ML2_CONFIG, {
'services': ['neutron-server'],
'contexts': [AristaMl2Context(), ]
}),
(ML2_CONFIG_ARISTA, {
'services': ['neutron-server'],
'contexts': [AristaMl2Context(), ]
}),
])
release = os_release('neutron-common')
configs = templating.OSConfigRenderer(templates_dir=TEMPLATES,
openstack_release=release)
for cfg, rscs in resources.iteritems():
configs.register(cfg, rscs['contexts'])
return configs

19
src/metadata.yaml
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name: neutron-arista
summary: Arista ML2 plugin support for Neutron-API
maintainer: Michael Skalka <Michael.Skalka@canonical.com>
description: |
tags:
- misc
- networking
subordinate: true
series:
- xenial
provides:
neutron-arista:
interface: neutron-plugin-api-subordinate
scope: container
requires:
container:
interface: juju-info
scope: container

56
src/reactive/neutron_arista_handlers.py
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# Copyright 2016 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.reactive as reactive
from charms_openstack.charm import (
provide_charm_instance,
use_defaults,
)
import charm.openstack.keystone_ico as ico # noqa
CONFIGS = register_configs()
use_defaults('update-status')
@reactive.when_not('neutron-arista.installed')
def install_neutron_arista():
with provide_charm_instance() as charm_class:
charm_class.install()
reactive.set_state('neutron-arista.installed')
@reactive.when('neutron-plugin-api-subordinate.connected')
@reactive.when('neutron-arista.installed')
def configure_principle(api_principle):
with provide_charm_instance() as charm_class:
charm_class.render_ml2_conf()
injet_config = {
'neutron-api': {
'/etc/neutron/neutron.conf': {
'sections': {
'DEFAULT': [
],
}
}
}
}
api_principle.configure_plugin(
neutron_plugin='arista',
core_plugin='neutron.plugins.ml2.plugin.Ml2Plugin',
neutron_plugin_config='/etc/neutron/plugins/ml2/ml2_conf_arista.ini',
service_plugins=config('service-plugins'),
subordinate_configuration=inject_config)
api_principle.request_restart(service_type='neutron-server')

11
src/templates/ml2_conf_arista.ini
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###############################################################################
# [ WARNING ]
# Configuration file maintained by Juju. Local changes may be overwritten.
###############################################################################
[ml2_arista]
eapi_host = {{ eapi_host }}
eapi_username = {{ eapi_username }}
eapi_password = {{ eapi_password }}
region_name = {{ region_name }}
api_type = {{ api_type }}

5
src/tests/00-setup
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#!/bin/bash
sudo add-apt-repository ppa:juju/stable -y
sudo apt-get update
sudo apt-get install amulet python-requests -y

35
src/tests/10-deploy
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#!/usr/bin/python3
import amulet
import requests
import unittest
class TestCharm(unittest.TestCase):
def setUp(self):
self.d = amulet.Deployment()
self.d.add('charm-neutron-arista')
self.d.expose('charm-neutron-arista')
self.d.setup(timeout=900)
self.d.sentry.wait()
self.unit = self.d.sentry['charm-neutron-arista'][0]
def test_service(self):
# test we can access over http
page = requests.get('http://{}'.format(self.unit.info['public-address']))
self.assertEqual(page.status_code, 200)
# Now you can use self.d.sentry[SERVICE][UNIT] to address each of the units and perform
# more in-depth steps. Each self.d.sentry[SERVICE][UNIT] has the following methods:
# - .info - An array of the information of that unit from Juju
# - .file(PATH) - Get the details of a file on that unit
# - .file_contents(PATH) - Get plain text output of PATH file from that unit
# - .directory(PATH) - Get details of directory
# - .directory_contents(PATH) - List files and folders in PATH on that unit
# - .relation(relation, service:rel) - Get relation data from return service
if __name__ == '__main__':
unittest.main()
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