221 lines
8.2 KiB
Python
221 lines
8.2 KiB
Python
# Copyright 2016 Rackspace Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from neutronclient.common import exceptions as n_exception
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from neutronclient.neutron import v2_0 as neutronV20
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import os
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from magnum.common import exception
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from magnum.drivers.common import template_def
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from oslo_config import cfg
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CONF = cfg.CONF
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KUBE_SECURE_PORT = '6443'
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KUBE_INSECURE_PORT = '8080'
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class K8sApiAddressOutputMapping(template_def.OutputMapping):
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def set_output(self, stack, baymodel, bay):
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if self.bay_attr is None:
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return
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output_value = self.get_output_value(stack)
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if output_value is not None:
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# TODO(yuanying): port number is hardcoded, this will be fix
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protocol = 'https'
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port = KUBE_SECURE_PORT
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if baymodel.tls_disabled:
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protocol = 'http'
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port = KUBE_INSECURE_PORT
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params = {
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'protocol': protocol,
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'address': output_value,
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'port': port,
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}
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value = "%(protocol)s://%(address)s:%(port)s" % params
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setattr(bay, self.bay_attr, value)
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class K8sTemplateDefinition(template_def.BaseTemplateDefinition):
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"""Base Kubernetes template."""
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def __init__(self):
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super(K8sTemplateDefinition, self).__init__()
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self.add_parameter('master_flavor',
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baymodel_attr='master_flavor_id')
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self.add_parameter('minion_flavor',
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baymodel_attr='flavor_id')
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self.add_parameter('number_of_minions',
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bay_attr='node_count')
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self.add_parameter('external_network',
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baymodel_attr='external_network_id',
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required=True)
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self.add_parameter('network_driver',
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baymodel_attr='network_driver')
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self.add_parameter('volume_driver',
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baymodel_attr='volume_driver')
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self.add_parameter('tls_disabled',
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baymodel_attr='tls_disabled',
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required=True)
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self.add_parameter('registry_enabled',
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baymodel_attr='registry_enabled')
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self.add_parameter('bay_uuid',
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bay_attr='uuid',
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param_type=str)
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self.add_parameter('insecure_registry_url',
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baymodel_attr='insecure_registry')
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self.add_output('api_address',
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bay_attr='api_address',
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mapping_type=K8sApiAddressOutputMapping)
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self.add_output('kube_minions_private',
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bay_attr=None)
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self.add_output('kube_minions',
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bay_attr='node_addresses')
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self.add_output('kube_masters_private',
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bay_attr=None)
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self.add_output('kube_masters',
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bay_attr='master_addresses')
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def get_params(self, context, baymodel, bay, **kwargs):
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extra_params = kwargs.pop('extra_params', {})
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scale_mgr = kwargs.pop('scale_manager', None)
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if scale_mgr:
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hosts = self.get_output('kube_minions_private')
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extra_params['minions_to_remove'] = (
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scale_mgr.get_removal_nodes(hosts))
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extra_params['discovery_url'] = self.get_discovery_url(bay)
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osc = self.get_osc(context)
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extra_params['magnum_url'] = osc.magnum_url()
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if baymodel.tls_disabled:
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extra_params['loadbalancing_protocol'] = 'HTTP'
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extra_params['kubernetes_port'] = 8080
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label_list = ['flannel_network_cidr', 'flannel_backend',
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'flannel_network_subnetlen']
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for label in label_list:
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extra_params[label] = baymodel.labels.get(label)
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if baymodel.registry_enabled:
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extra_params['swift_region'] = CONF.docker_registry.swift_region
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extra_params['registry_container'] = (
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CONF.docker_registry.swift_registry_container)
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return super(K8sTemplateDefinition,
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self).get_params(context, baymodel, bay,
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extra_params=extra_params,
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**kwargs)
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class AtomicK8sTemplateDefinition(K8sTemplateDefinition):
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"""Kubernetes template for a Fedora Atomic VM."""
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provides = [
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{'server_type': 'vm',
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'os': 'fedora-atomic',
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'coe': 'kubernetes'},
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]
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def __init__(self):
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super(AtomicK8sTemplateDefinition, self).__init__()
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self.add_parameter('docker_volume_size',
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baymodel_attr='docker_volume_size')
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self.add_parameter('docker_storage_driver',
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baymodel_attr='docker_storage_driver')
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def get_params(self, context, baymodel, bay, **kwargs):
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extra_params = kwargs.pop('extra_params', {})
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extra_params['username'] = context.user_name
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extra_params['tenant_name'] = context.tenant
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osc = self.get_osc(context)
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extra_params['region_name'] = osc.cinder_region_name()
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return super(AtomicK8sTemplateDefinition,
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self).get_params(context, baymodel, bay,
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extra_params=extra_params,
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**kwargs)
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def get_env_files(self, baymodel):
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if baymodel.master_lb_enabled:
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return ['../../common/templates/environments/with_master_lb.yaml']
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else:
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return ['../../common/templates/environments/no_master_lb.yaml']
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@property
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def template_path(self):
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return os.path.join(os.path.dirname(os.path.realpath(__file__)),
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'templates/kubecluster.yaml')
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class FedoraK8sIronicTemplateDefinition(AtomicK8sTemplateDefinition):
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"""Kubernetes template for a Fedora Baremetal."""
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provides = [
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{'server_type': 'bm',
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'os': 'fedora',
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'coe': 'kubernetes'},
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]
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def __init__(self):
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super(FedoraK8sIronicTemplateDefinition, self).__init__()
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self.add_parameter('fixed_subnet',
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baymodel_attr='fixed_subnet',
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param_type=str,
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required=True)
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def get_fixed_network_id(self, osc, baymodel):
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try:
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subnet = neutronV20.find_resource_by_name_or_id(
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osc.neutron(),
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'subnet',
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baymodel.fixed_subnet
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)
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except n_exception.NeutronException as e:
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# NOTE(yuanying): NeutronCLIError doesn't have status_code
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# if subnet name is duplicated, NeutronClientNoUniqueMatch
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# (which is kind of NeutronCLIError) will be raised.
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if getattr(e, 'status_code', 400) < 500:
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raise exception.InvalidSubnet(message=("%s" % e))
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else:
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raise e
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if subnet['ip_version'] != 4:
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raise exception.InvalidSubnet(
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message="Subnet IP version should be 4"
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)
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return subnet['network_id']
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def get_params(self, context, baymodel, bay, **kwargs):
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extra_params = kwargs.pop('extra_params', {})
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osc = self.get_osc(context)
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extra_params['fixed_network'] = self.get_fixed_network_id(osc,
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baymodel)
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return super(FedoraK8sIronicTemplateDefinition,
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self).get_params(context, baymodel, bay,
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extra_params=extra_params,
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**kwargs)
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@property
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def template_path(self):
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return os.path.join(os.path.dirname(os.path.realpath(__file__)),
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'templates/kubecluster-fedora-ironic.yaml')
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