237 lines
6.7 KiB
Python
237 lines
6.7 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo.config import cfg
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from oslo.utils import excutils
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import six
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from six.moves.urllib import parse as urlparse
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from sahara import conductor as c
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from sahara import context
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from sahara.openstack.common import log as logging
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from sahara.plugins import base as plugin_base
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from sahara.plugins import provisioning
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from sahara.utils import general as g
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from sahara.utils.notification import sender
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from sahara.utils.openstack import nova
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conductor = c.API
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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OPS = None
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def setup_service_api(ops):
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global OPS
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OPS = ops
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# Cluster ops
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def get_clusters():
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return conductor.cluster_get_all(context.ctx())
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def get_cluster(id):
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return conductor.cluster_get(context.ctx(), id)
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def scale_cluster(id, data):
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ctx = context.ctx()
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cluster = conductor.cluster_get(ctx, id)
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plugin = plugin_base.PLUGINS.get_plugin(cluster.plugin_name)
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existing_node_groups = data.get('resize_node_groups', [])
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additional_node_groups = data.get('add_node_groups', [])
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# the next map is the main object we will work with
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# to_be_enlarged : {node_group_id: desired_amount_of_instances}
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to_be_enlarged = {}
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for ng in existing_node_groups:
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ng_id = g.find(cluster.node_groups, name=ng['name'])['id']
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to_be_enlarged.update({ng_id: ng['count']})
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additional = construct_ngs_for_scaling(cluster, additional_node_groups)
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cluster = conductor.cluster_get(ctx, cluster)
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try:
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cluster = g.change_cluster_status(cluster, "Validating")
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plugin.validate_scaling(cluster, to_be_enlarged, additional)
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except Exception:
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with excutils.save_and_reraise_exception():
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g.clean_cluster_from_empty_ng(cluster)
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g.change_cluster_status(cluster, "Active")
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# If we are here validation is successful.
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# So let's update to_be_enlarged map:
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to_be_enlarged.update(additional)
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for node_group in cluster.node_groups:
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if node_group.id not in to_be_enlarged:
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to_be_enlarged[node_group.id] = node_group.count
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OPS.provision_scaled_cluster(id, to_be_enlarged)
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return cluster
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def create_cluster(values):
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ctx = context.ctx()
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cluster = conductor.cluster_create(ctx, values)
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sender.notify(ctx, cluster.id, cluster.name, "New",
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"create")
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plugin = plugin_base.PLUGINS.get_plugin(cluster.plugin_name)
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# validating cluster
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try:
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cluster = g.change_cluster_status(cluster, "Validating")
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plugin.validate(cluster)
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except Exception as e:
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with excutils.save_and_reraise_exception():
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g.change_cluster_status(cluster, "Error",
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status_description=six.text_type(e))
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OPS.provision_cluster(cluster.id)
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return cluster
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def terminate_cluster(id):
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cluster = g.change_cluster_status(id, "Deleting")
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OPS.terminate_cluster(id)
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sender.notify(context.ctx(), cluster.id, cluster.name, cluster.status,
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"delete")
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# ClusterTemplate ops
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def get_cluster_templates():
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return conductor.cluster_template_get_all(context.ctx())
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def get_cluster_template(id):
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return conductor.cluster_template_get(context.ctx(), id)
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def create_cluster_template(values):
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return conductor.cluster_template_create(context.ctx(), values)
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def terminate_cluster_template(id):
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return conductor.cluster_template_destroy(context.ctx(), id)
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# NodeGroupTemplate ops
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def get_node_group_templates():
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return conductor.node_group_template_get_all(context.ctx())
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def get_node_group_template(id):
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return conductor.node_group_template_get(context.ctx(), id)
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def create_node_group_template(values):
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return conductor.node_group_template_create(context.ctx(), values)
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def terminate_node_group_template(id):
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return conductor.node_group_template_destroy(context.ctx(), id)
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# Plugins ops
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def get_plugins():
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return plugin_base.PLUGINS.get_plugins(
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base=provisioning.ProvisioningPluginBase)
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def get_plugin(plugin_name, version=None):
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plugin = plugin_base.PLUGINS.get_plugin(plugin_name)
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if plugin:
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res = plugin.as_resource()
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if version:
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if version in plugin.get_versions():
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configs = plugin.get_configs(version)
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res._info['configs'] = [c.dict for c in configs]
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processes = plugin.get_node_processes(version)
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res._info['node_processes'] = processes
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required_image_tags = plugin.get_required_image_tags(version)
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res._info['required_image_tags'] = required_image_tags
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else:
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return None
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return res
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def convert_to_cluster_template(plugin_name, version, template_name,
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config_file):
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plugin = plugin_base.PLUGINS.get_plugin(plugin_name)
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return plugin.convert(config_file, plugin_name, version,
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urlparse.unquote(template_name),
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conductor.cluster_template_create)
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def construct_ngs_for_scaling(cluster, additional_node_groups):
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ctx = context.ctx()
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additional = {}
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for ng in additional_node_groups:
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count = ng['count']
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ng['count'] = 0
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ng_id = conductor.node_group_add(ctx, cluster, ng)
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additional.update({ng_id: count})
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return additional
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# Image Registry
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def get_images(tags):
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return nova.client().images.list_registered(tags)
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def get_image(**kwargs):
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if len(kwargs) == 1 and 'id' in kwargs:
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return nova.client().images.get(kwargs['id'])
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else:
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return nova.client().images.find(**kwargs)
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def register_image(image_id, username, description=None):
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client = nova.client()
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client.images.set_description(image_id, username, description)
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return client.images.get(image_id)
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def unregister_image(image_id):
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client = nova.client()
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client.images.unset_description(image_id)
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return client.images.get(image_id)
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def add_image_tags(image_id, tags):
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client = nova.client()
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client.images.tag(image_id, tags)
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return client.images.get(image_id)
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def remove_image_tags(image_id, tags):
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client = nova.client()
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client.images.untag(image_id, tags)
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return client.images.get(image_id)
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