279 lines
11 KiB
Python
279 lines
11 KiB
Python
# Copyright 2014 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 oslo_config import cfg
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from oslo_log import log as logging
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from magnum.common import paths
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from magnum.drivers.common import template_def
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from magnum.i18n import _
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LOG = logging.getLogger(__name__)
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KUBE_SECURE_PORT = '6443'
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KUBE_INSECURE_PORT = '8080'
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template_def_opts = [
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cfg.StrOpt('k8s_atomic_template_path',
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default=paths.basedir_def('templates/kubernetes/'
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'kubecluster.yaml'),
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deprecated_name='template_path',
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deprecated_group='bay_heat',
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help=_(
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'Location of template to build a k8s cluster on atomic.')),
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cfg.StrOpt('k8s_coreos_template_path',
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default=paths.basedir_def('templates/kubernetes/'
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'kubecluster-coreos.yaml'),
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help=_(
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'Location of template to build a k8s cluster on CoreOS.')),
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cfg.StrOpt('etcd_discovery_service_endpoint_format',
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default='https://discovery.etcd.io/new?size=%(size)d',
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help=_('Url for etcd public discovery endpoint.')),
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cfg.StrOpt('mesos_ubuntu_template_path',
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default=paths.basedir_def('templates/mesos/'
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'mesoscluster.yaml'),
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help=_('Location of template to build a Mesos cluster '
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'on Ubuntu.')),
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cfg.ListOpt('enabled_definitions',
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default=['magnum_vm_atomic_k8s', 'magnum_vm_coreos_k8s',
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'magnum_vm_atomic_swarm', 'magnum_vm_ubuntu_mesos'],
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help=_('Enabled bay definition entry points.')),
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]
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docker_registry_opts = [
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cfg.StrOpt('swift_region',
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help=_('Region name of Swift')),
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cfg.StrOpt('swift_registry_container',
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default='docker_registry',
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help=_('Name of the container in Swift which docker registry '
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'stores images in'))
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]
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CONF = cfg.CONF
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CONF.register_opts(template_def_opts, group='bay')
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CONF.register_opts(docker_registry_opts, group='docker_registry')
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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')
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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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@property
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def template_path(self):
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return cfg.CONF.bay.k8s_atomic_template_path
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class CoreOSK8sTemplateDefinition(K8sTemplateDefinition):
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"""Kubernetes template for CoreOS VM."""
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provides = [
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{'server_type': 'vm', 'os': 'coreos', 'coe': 'kubernetes'},
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]
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@property
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def template_path(self):
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return cfg.CONF.bay.k8s_coreos_template_path
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class UbuntuMesosTemplateDefinition(template_def.BaseTemplateDefinition):
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"""Mesos template for Ubuntu VM."""
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provides = [
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{'server_type': 'vm', 'os': 'ubuntu', 'coe': 'mesos'},
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]
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def __init__(self):
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super(UbuntuMesosTemplateDefinition, self).__init__()
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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('number_of_slaves',
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bay_attr='node_count')
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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('slave_flavor',
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baymodel_attr='flavor_id')
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self.add_parameter('cluster_name',
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bay_attr='name')
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self.add_parameter('volume_driver',
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baymodel_attr='volume_driver')
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self.add_output('api_address',
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bay_attr='api_address')
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self.add_output('mesos_master_private',
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bay_attr=None)
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self.add_output('mesos_master',
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bay_attr='master_addresses')
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self.add_output('mesos_slaves_private',
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bay_attr=None)
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self.add_output('mesos_slaves',
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bay_attr='node_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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# HACK(apmelton) - This uses the user's bearer token, ideally
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# it should be replaced with an actual trust token with only
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# access to do what the template needs it to do.
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osc = self.get_osc(context)
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extra_params['auth_url'] = context.auth_url
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extra_params['username'] = context.user_name
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extra_params['tenant_name'] = context.tenant
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extra_params['domain_name'] = context.domain_name
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extra_params['region_name'] = osc.cinder_region_name()
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label_list = ['rexray_preempt', 'mesos_slave_isolation',
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'mesos_slave_image_providers',
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'mesos_slave_work_dir',
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'mesos_slave_executor_env_variables']
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for label in label_list:
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extra_params[label] = baymodel.labels.get(label)
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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('mesos_slaves_private')
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extra_params['slaves_to_remove'] = (
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scale_mgr.get_removal_nodes(hosts))
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return super(UbuntuMesosTemplateDefinition,
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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 cfg.CONF.bay.mesos_ubuntu_template_path
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