74 lines
2.1 KiB
Python
74 lines
2.1 KiB
Python
#!/usr/bin/env python
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from collections import OrderedDict
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from charmhelpers.core.hookenv import (
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config,
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log
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)
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import charms_openstack.charm
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from charmhelpers.contrib.openstack import (
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context,
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templating,
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)
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from charmhelpers.fetch import (
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apt_install,
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apt_update,
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filter_installed_packages,
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add_source,
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)
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from charmhelpers.contrib.openstack.utils import os_release
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ML2_CONFIG = '/etc/neutron/plugins/ml2/ml2_conf_arista.ini'
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TEMPLATES = 'templates/'
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class NeutronAristaCharm(charms_openstack.charm.OpenStackCharm):
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# Internal name of charm
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service_name = name = 'neutron-api-plugin-arista'
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# First release supported
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release = 'queens'
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# List of packages to install for this charm
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packages = ['python-networking-arista']
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def install(self):
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log('Starting arista installation')
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installed = len(filter_installed_packages(self.packages)) == 0
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if not installed:
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add_source(config('source'))
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apt_update(fatal=True)
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apt_install(self.packages[0], fatal=True)
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def write_config(self):
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configs = self.register_configs()
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configs.write_all()
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def register_configs(release=None):
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resources = OrderedDict([
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(ML2_CONFIG, {
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'services': ['neutron-server'],
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'contexts': [AristaMl2Context(), ]
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}),
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])
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release = os_release('neutron-common')
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configs = templating.OSConfigRenderer(templates_dir=TEMPLATES,
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openstack_release=release)
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for cfg, rscs in resources.items():
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configs.register(cfg, rscs['contexts'])
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return configs
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class AristaMl2Context(context.OSContextGenerator):
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def __call__(self):
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ctxt = {'eapi_host': config('eapi-host'),
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'eapi_username': config('eapi-username'),
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'eapi_password': config('eapi-password'),
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'region_name': config('region-name'),
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'api_type': config('api-type'),
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'arista_version': config('arista-version')}
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return ctxt
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