Neutron Dynamic Routing Agent

This commit is contained in:
David Ames 2018-02-06 21:24:32 +00:00
commit 5f9683541f
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build
layers
.tox
interfaces
.testrepository
*__pycache__*
*.pyc

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#

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# This file is used to trigger rebuilds
# when dependencies of the charm change,
# but nothing in the charm needs to.
# simply change the uuid to something new
1925591e-fd45-11e7-b703-eb6b652fac69

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charm-tools
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-barbican>.

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options:
bgp-peer-ips:
default:
type: string
description: |
Space delimited IPs of BGP peers.

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includes:
- layer:openstack-principle
- interface:rabbitmq
#repo: https://github.com/openstack/charm-neutron-dynamic-routing
options:
basic:
use_venv: true
include_system_packages: true

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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.

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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.

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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.

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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.
# The dragent handlers class
# bare functions are provided to the reactive handlers to perform the functions
# needed on the class.
from __future__ import absolute_import
import collections
import charmhelpers.contrib.network.ip as ch_ip
import charms_openstack.charm
import charms_openstack.adapters as os_adapters
PACKAGES = ['neutron-bgp-dragent', 'neutron-dynamic-routing-common',
'python-neutron-dynamic-routing']
NEUTRON_DIR = '/etc/neutron/'
NEUTRON_CONF = NEUTRON_DIR + "neutron.conf"
DRAGENT_CONF = NEUTRON_DIR + "bgp_dragent.ini"
OPENSTACK_RELEASE_KEY = ('neutron-dynamic-routing-charm.'
'openstack-release-version')
# select the default release function
charms_openstack.charm.use_defaults('charm.default-select-release')
def render_configs(interfaces_list):
"""Using a list of interfaces, render the configs and, if they have
changes, restart the services on the unit.
"""
# Starting out with just amqp
try:
[i for i in interfaces_list]
except TypeError:
interfaces_list = [interfaces_list]
DRAgentCharm.singleton.render_with_interfaces(interfaces_list)
def assess_status():
"""Just call the DRAgentCharm.singleton.assess_status() command to update
status on the unit.
"""
DRAgentCharm.singleton.assess_status()
@os_adapters.config_property
def provider_ip(cls):
return ch_ip.get_relation_ip('provider')
@os_adapters.config_property
def speaker_ip(cls):
return ch_ip.get_relation_ip('speaker')
class TransportURLAdapter(os_adapters.RabbitMQRelationAdapter):
"""Add Transport URL to RabbitMQRelationAdapter
TODO: Move to charms.openstack.adapters
"""
@property
def transport_url(self):
hosts = self.hosts or [self.host]
if hosts:
transport_url_hosts = ','.join([
"{}:{}@{}:{}".format(self.username,
self.password,
host_,
self.port)
for host_ in hosts])
return "rabbit://{}/{}".format(transport_url_hosts, self.vhost)
@property
def port(self):
return self.ssl_port or 5672
class BGPPeerRelationAdapter(os_adapters.OpenStackRelationAdapter):
"""
STub Adapter for the BGPPeerProvides relation interface.
"""
interface_type = 'bgp'
@property
def provider_ip(self):
return ch_ip.get_relation_ip('provider')
@property
def speaker_ip(self):
return ch_ip.get_relation_ip('speaker')
class DRAgentCharm(charms_openstack.charm.OpenStackCharm):
"""DRAgentCharm provides the specialisation of the OpenStackCharm
functionality to manage a dragent unit.
"""
release = 'pike'
name = 'neutron-dynamic-routing'
packages = PACKAGES
default_service = 'neutron-bgp-dragent'
services = ['neutron-bgp-dragent']
# Note that the hsm interface is optional - defined in config.yaml
required_relations = ['amqp']
adapters_class = os_adapters.OpenStackRelationAdapters
adapters_class.relation_adapters = {
'amqp': TransportURLAdapter,
'bgp': BGPPeerRelationAdapter,
}
restart_map = {
NEUTRON_CONF: services,
DRAGENT_CONF: services,
}
# Package for release version detection
release_pkg = 'neutron-dynamic-routing-common'
# Package codename map for barbican-common
package_codenames = {
'neutron-dynamic-routing-common': collections.OrderedDict([
('11', 'pike'),
('12', 'queens'),
('13', 'rocky'),
]),
}
def install(self):
self.configure_source()
super().install()
def get_amqp_credentials(self):
"""Provide the default amqp username and vhost as a tuple.
:returns (username, host): two strings to send to the amqp provider.
"""
return (self.config['rabbit-user'], self.config['rabbit-vhost'])
def states_to_check(self, required_relations=None):
"""Override the default states_to_check() for the assess_status
functionality so that, if we have to have an HSM relation, then enforce
it on the assess_status() call.
If param required_relations is not None then it overrides the
instance/class variable self.required_relations.
:param required_relations: [list of state names]
:returns: [states{} as per parent method]
"""
if required_relations is None:
required_relations = self.required_relations
return super(DRAgentCharm, self).states_to_check(
required_relations=required_relations)

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name: neutron-dynamic-routing
summary: Neutron Dyanamic Routing Agent
maintainer: OpenStack Charmers <openstack-charmers@lists.ubuntu.com>
description: |
Neutron Dyanamic Routing Agent acts as a BGP speaker advertisiging OpenStack networks to the BGP infrastructure.
tags:
- openstack
series:
- xenial
- bionic
subordinate: false
extra-bindings:
provider:
speaker:
requires:
amqp:
interface: rabbitmq

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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.

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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.
# this is just for the reactive handlers and calls into the charm.
from __future__ import absolute_import
import charms.reactive as reactive
import charmhelpers.core.hookenv as hookenv
import charms_openstack.charm as charm
# This charm's library contains all of the handler code associated with
# dragent -- we need to import it to get the definitions for the charm.
import charm.openstack.dragent as dragent # noqa
# Use the charms.openstack defaults for common states and hooks
charm.use_defaults(
'charm.installed',
'amqp.connected',
'config.changed',
'update-status')
@reactive.when('amqp.connected')
def setup_amqp_req(amqp):
"""Use the amqp interface to request access to the amqp broker using our
local configuration.
"""
amqp.request_access(username='dragent',
vhost='openstack')
dragent.assess_status()
# Note that because of the way reactive.when works, (which is to 'find' the
# __code__ segment of the decorated function, it's very, very difficult to add
# other kinds of decorators here. This rules out adding other things into the
# charm args list. It is also CPython dependent.
@reactive.when('amqp.available')
def render_stuff(amqp):
"""Render the configuration for Barbican when all the interfaces are
available.
"""
hookenv.log("about to call the render_configs with {}".format(amqp))
dragent.render_configs(amqp)
dragent.assess_status()

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[DEFAULT]
[bgp]
#
# From bgp.agent
#
# BGP speaker driver class to be instantiated. (string value)
bgp_speaker_driver = neutron_dynamic_routing.services.bgp.agent.driver.ryu.driver.RyuBgpDriver
# 32-bit BGP identifier, typically an IPv4 address owned by the system running the BGP DrAgent. (string value)
bgp_router_id = {{options.speaker_ip}}

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###############################################################################
# [ WARNING ]
# Configuration file maintained by Juju. Local changes may be overwritten.
###############################################################################
[DEFAULT]
verbose = {{ options.verbose }}
debug = {{ options.debug }}
[agent]
root_helper = sudo /usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf
{% include "parts/section-rabbitmq-oslo" %}
{% include "parts/section-oslo-notifications" %}
[oslo_concurrency]
lock_path = /var/lock/neutron

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{% if amqp.transport_url -%}
[oslo_messaging_notifications]
driver = messagingv2
transport_url = {{ amqp.transport_url }}
{% endif -%}

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# The order of packages is significant, because pip processes them in the order
# of appearance. Changing the order has an impact on the overall integration
# process, which may cause wedges in the gate later.
coverage>=3.6
mock>=1.2
flake8>=2.2.4,<=2.4.1
os-testr>=0.4.1
charm-tools>=2.0.0
requests==2.6.0
# amulet deployment helpers
git+https://github.com/juju/charm-helpers#egg=charmhelpers
# BEGIN: Amulet OpenStack Charm Helper Requirements
# Liberty client lower constraints
amulet>=1.14.3,<2.0
bundletester>=0.6.1,<1.0
aodhclient>=0.1.0
python-barbicanclient>=4.0.1
python-ceilometerclient>=1.5.0
python-cinderclient>=1.4.0
python-designateclient>=1.5
python-glanceclient>=1.1.0
python-heatclient>=0.8.0
python-keystoneclient>=1.7.1
python-neutronclient>=3.1.0
python-novaclient>=2.30.1
python-openstackclient>=1.7.0
python-swiftclient>=2.6.0
pika>=0.10.0,<1.0
distro-info
# END: Amulet OpenStack Charm Helper Requirements
# NOTE: workaround for 14.04 pip/tox
pytz

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# Source charm: ./src/tox.ini
# This file is managed centrally by release-tools and should not be modified
# within individual charm repos.
[tox]
envlist = pep8
skipsdist = True
[testenv]
setenv = VIRTUAL_ENV={envdir}
PYTHONHASHSEED=0
AMULET_SETUP_TIMEOUT=2700
whitelist_externals = juju
passenv = HOME TERM AMULET_* CS_API_URL
deps = -r{toxinidir}/test-requirements.txt
install_command =
pip install --allow-unverified python-apt {opts} {packages}
[testenv:pep8]
basepython = python2.7
commands = charm-proof
[testenv:func27-noop]
# DRY RUN - For Debug
basepython = python2.7
commands =
bundletester -vl DEBUG -r json -o func-results.json --test-pattern "gate-*" -n --no-destroy
[testenv:func27]
# Run all gate tests which are +x (expected to always pass)
basepython = python2.7
commands =
bundletester -vl DEBUG -r json -o func-results.json --test-pattern "gate-*" --no-destroy
[testenv:func27-smoke]
# Run a specific test as an Amulet smoke test (expected to always pass)
basepython = python2.7
commands =
bundletester -vl DEBUG -r json -o func-results.json gate-basic-xenial-pike --no-destroy
[testenv:func27-dfs]
# Run all deploy-from-source tests which are +x (may not always pass!)
basepython = python2.7
commands =
bundletester -vl DEBUG -r json -o func-results.json --test-pattern "dfs-*" --no-destroy
[testenv:func27-dev]
# Run all development test targets which are +x (may not always pass!)
basepython = python2.7
commands =
bundletester -vl DEBUG -r json -o func-results.json --test-pattern "dev-*" --no-destroy
[testenv:venv]
commands = {posargs}

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# Lint and unit test requirements
flake8
os-testr>=0.4.1
charms.reactive
mock>=1.2
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,py34,py35
skip_missing_interpreters = True
[testenv]
setenv = VIRTUAL_ENV={envdir}
PYTHONHASHSEED=0
TERM=linux
LAYER_PATH={toxinidir}/layers
INTERFACE_PATH={toxinidir}/interfaces
JUJU_REPOSITORY={toxinidir}/build
passenv = http_proxy https_proxy
install_command =
pip install {opts} {packages}
deps =
-r{toxinidir}/requirements.txt
[testenv:build]
basepython = python2.7
commands =
charm-build --log-level DEBUG -o {toxinidir}/build src {posargs}
[testenv:py27]
basepython = python2.7
# Reactive source charms are Python3-only, but a py27 unit test target
# is required by OpenStack Governance. Remove this shim as soon as
# permitted. http://governance.openstack.org/reference/cti/python_cti.html
whitelist_externals = true
commands = true
[testenv:py34]
basepython = python3.4
deps = -r{toxinidir}/test-requirements.txt
commands = ostestr {posargs}
[testenv:py35]
basepython = python3.5
deps = -r{toxinidir}/test-requirements.txt
commands = ostestr {posargs}
[testenv:pep8]
basepython = python3.5
deps = -r{toxinidir}/test-requirements.txt
commands = flake8 {posargs} src unit_tests
[testenv:venv]
commands = {posargs}
[flake8]
# E402 ignore necessary for path append before sys module import in actions
ignore = E402