# Copyright 2014 Rackspace Inc. All rights reserved. # # 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. from oslo_config import cfg from oslo_log import log as logging from magnum.common import paths from magnum.drivers.common import template_def from magnum.i18n import _ LOG = logging.getLogger(__name__) KUBE_SECURE_PORT = '6443' KUBE_INSECURE_PORT = '8080' template_def_opts = [ cfg.StrOpt('k8s_atomic_template_path', default=paths.basedir_def('templates/kubernetes/' 'kubecluster.yaml'), deprecated_name='template_path', deprecated_group='bay_heat', help=_( 'Location of template to build a k8s cluster on atomic.')), cfg.StrOpt('k8s_coreos_template_path', default=paths.basedir_def('templates/kubernetes/' 'kubecluster-coreos.yaml'), help=_( 'Location of template to build a k8s cluster on CoreOS.')), cfg.StrOpt('etcd_discovery_service_endpoint_format', default='https://discovery.etcd.io/new?size=%(size)d', help=_('Url for etcd public discovery endpoint.')), cfg.ListOpt('enabled_definitions', default=['magnum_vm_atomic_k8s', 'magnum_vm_coreos_k8s', 'magnum_vm_atomic_swarm', 'magnum_vm_ubuntu_mesos'], help=_('Enabled bay definition entry points.')), ] docker_registry_opts = [ cfg.StrOpt('swift_region', help=_('Region name of Swift')), cfg.StrOpt('swift_registry_container', default='docker_registry', help=_('Name of the container in Swift which docker registry ' 'stores images in')) ] CONF = cfg.CONF CONF.register_opts(template_def_opts, group='bay') CONF.register_opts(docker_registry_opts, group='docker_registry') class K8sApiAddressOutputMapping(template_def.OutputMapping): def set_output(self, stack, baymodel, bay): if self.bay_attr is None: return output_value = self.get_output_value(stack) if output_value is not None: # TODO(yuanying): port number is hardcoded, this will be fix protocol = 'https' port = KUBE_SECURE_PORT if baymodel.tls_disabled: protocol = 'http' port = KUBE_INSECURE_PORT params = { 'protocol': protocol, 'address': output_value, 'port': port, } value = "%(protocol)s://%(address)s:%(port)s" % params setattr(bay, self.bay_attr, value) class K8sTemplateDefinition(template_def.BaseTemplateDefinition): """Base Kubernetes template.""" def __init__(self): super(K8sTemplateDefinition, self).__init__() self.add_parameter('master_flavor', baymodel_attr='master_flavor_id') self.add_parameter('minion_flavor', baymodel_attr='flavor_id') self.add_parameter('number_of_minions', bay_attr='node_count') self.add_parameter('external_network', baymodel_attr='external_network_id', required=True) self.add_parameter('network_driver', baymodel_attr='network_driver') self.add_parameter('volume_driver', baymodel_attr='volume_driver') self.add_parameter('tls_disabled', baymodel_attr='tls_disabled', required=True) self.add_parameter('registry_enabled', baymodel_attr='registry_enabled') self.add_parameter('bay_uuid', bay_attr='uuid', param_type=str) self.add_parameter('insecure_registry_url', baymodel_attr='insecure_registry') self.add_output('api_address', bay_attr='api_address', mapping_type=K8sApiAddressOutputMapping) self.add_output('kube_minions_private', bay_attr=None) self.add_output('kube_minions', bay_attr='node_addresses') self.add_output('kube_masters_private', bay_attr=None) self.add_output('kube_masters', bay_attr='master_addresses') def get_params(self, context, baymodel, bay, **kwargs): extra_params = kwargs.pop('extra_params', {}) scale_mgr = kwargs.pop('scale_manager', None) if scale_mgr: hosts = self.get_output('kube_minions') extra_params['minions_to_remove'] = ( scale_mgr.get_removal_nodes(hosts)) extra_params['discovery_url'] = self.get_discovery_url(bay) osc = self.get_osc(context) extra_params['magnum_url'] = osc.magnum_url() if baymodel.tls_disabled: extra_params['loadbalancing_protocol'] = 'HTTP' extra_params['kubernetes_port'] = 8080 label_list = ['flannel_network_cidr', 'flannel_backend', 'flannel_network_subnetlen'] for label in label_list: extra_params[label] = baymodel.labels.get(label) if baymodel.registry_enabled: extra_params['swift_region'] = CONF.docker_registry.swift_region extra_params['registry_container'] = ( CONF.docker_registry.swift_registry_container) return super(K8sTemplateDefinition, self).get_params(context, baymodel, bay, extra_params=extra_params, **kwargs) def get_env_files(self, baymodel): if baymodel.master_lb_enabled: return ['environments/with_master_lb.yaml'] else: return ['environments/no_master_lb.yaml'] class AtomicK8sTemplateDefinition(K8sTemplateDefinition): """Kubernetes template for a Fedora Atomic VM.""" provides = [ {'server_type': 'vm', 'os': 'fedora-atomic', 'coe': 'kubernetes'}, ] def __init__(self): super(AtomicK8sTemplateDefinition, self).__init__() self.add_parameter('docker_volume_size', baymodel_attr='docker_volume_size') self.add_parameter('docker_storage_driver', baymodel_attr='docker_storage_driver') def get_params(self, context, baymodel, bay, **kwargs): extra_params = kwargs.pop('extra_params', {}) extra_params['username'] = context.user_name extra_params['tenant_name'] = context.tenant osc = self.get_osc(context) extra_params['region_name'] = osc.cinder_region_name() return super(AtomicK8sTemplateDefinition, self).get_params(context, baymodel, bay, extra_params=extra_params, **kwargs) @property def template_path(self): return cfg.CONF.bay.k8s_atomic_template_path class CoreOSK8sTemplateDefinition(K8sTemplateDefinition): """Kubernetes template for CoreOS VM.""" provides = [ {'server_type': 'vm', 'os': 'coreos', 'coe': 'kubernetes'}, ] @property def template_path(self): return cfg.CONF.bay.k8s_coreos_template_path