468 lines
17 KiB
Python
468 lines
17 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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"""Handles all requests to the conductor service."""
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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 sahara.conductor import manager
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from sahara.conductor import resource as r
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conductor_opts = [
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cfg.BoolOpt('use_local',
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default=True,
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help='Perform sahara-conductor operations locally.'),
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]
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conductor_group = cfg.OptGroup(name='conductor',
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title='Conductor Options')
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CONF = cfg.CONF
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CONF.register_group(conductor_group)
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CONF.register_opts(conductor_opts, conductor_group)
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LOG = logging.getLogger(__name__)
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def _get_id(obj):
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"""Return object id.
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Allows usage of both an object or an object's ID as a parameter when
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dealing with relationships.
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"""
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try:
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return obj.id
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except AttributeError:
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return obj
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class LocalApi(object):
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"""A local version of the conductor API.
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It does database updates locally instead of via RPC.
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"""
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def __init__(self):
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self._manager = manager.ConductorManager()
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# Cluster ops
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@r.wrap(r.ClusterResource)
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def cluster_get(self, context, cluster, show_progress=False):
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"""Return the cluster or None if it does not exist."""
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return self._manager.cluster_get(
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context, _get_id(cluster), show_progress)
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@r.wrap(r.ClusterResource)
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def cluster_get_all(self, context, **kwargs):
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"""Get all clusters filtered by **kwargs.
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e.g. cluster_get_all(plugin_name='vanilla', hadoop_version='1.1')
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"""
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return self._manager.cluster_get_all(context, **kwargs)
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@r.wrap(r.ClusterResource)
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def cluster_create(self, context, values):
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"""Create a cluster from the values dictionary.
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:returns: the created cluster.
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"""
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return self._manager.cluster_create(context, values)
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@r.wrap(r.ClusterResource)
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def cluster_update(self, context, cluster, values):
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"""Update the cluster with the given values dictionary.
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:returns: the updated cluster.
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"""
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return self._manager.cluster_update(context, _get_id(cluster),
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values)
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def cluster_destroy(self, context, cluster):
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"""Destroy the cluster or raise if it does not exist.
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:returns: None.
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"""
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self._manager.cluster_destroy(context, _get_id(cluster))
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# Node Group ops
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def node_group_add(self, context, cluster, values):
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"""Create a node group from the values dictionary.
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:returns: ID of the created node group.
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"""
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return self._manager.node_group_add(context, _get_id(cluster), values)
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def node_group_update(self, context, node_group, values):
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"""Update the node group with the given values dictionary.
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:returns: None.
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"""
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self._manager.node_group_update(context, _get_id(node_group), values)
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def node_group_remove(self, context, node_group):
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"""Destroy the node group or raise if it does not exist.
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:returns: None.
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"""
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self._manager.node_group_remove(context, _get_id(node_group))
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# Instance ops
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def instance_add(self, context, node_group, values):
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"""Create an instance from the values dictionary.
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:returns: ID of the created instance.
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"""
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return self._manager.instance_add(context, _get_id(node_group), values)
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def instance_update(self, context, instance, values):
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"""Update the instance with the given values dictionary.
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:returns: None.
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"""
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self._manager.instance_update(context, _get_id(instance), values)
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def instance_remove(self, context, instance):
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"""Destroy the instance or raise if it does not exist.
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:returns: None.
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"""
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self._manager.instance_remove(context, _get_id(instance))
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# Volumes ops
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def append_volume(self, context, instance, volume_id):
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"""Append volume_id to instance."""
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self._manager.append_volume(context, _get_id(instance), volume_id)
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def remove_volume(self, context, instance, volume_id):
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"""Remove volume_id in instance."""
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self._manager.remove_volume(context, _get_id(instance), volume_id)
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# Cluster Template ops
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@r.wrap(r.ClusterTemplateResource)
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def cluster_template_get(self, context, cluster_template):
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"""Return the cluster template or None if it does not exist."""
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return self._manager.cluster_template_get(context,
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_get_id(cluster_template))
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@r.wrap(r.ClusterTemplateResource)
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def cluster_template_get_all(self, context, **kwargs):
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"""Get all cluster templates filtered by **kwargs.
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e.g. cluster_template_get_all(plugin_name='vanilla',
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hadoop_version='1.1')
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"""
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return self._manager.cluster_template_get_all(context, **kwargs)
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@r.wrap(r.ClusterTemplateResource)
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def cluster_template_create(self, context, values):
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"""Create a cluster template from the values dictionary.
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:returns: the created cluster template
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"""
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return self._manager.cluster_template_create(context, values)
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def cluster_template_destroy(self, context, cluster_template):
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"""Destroy the cluster template or raise if it does not exist.
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:returns: None
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"""
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self._manager.cluster_template_destroy(context,
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_get_id(cluster_template))
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@r.wrap(r.ClusterTemplateResource)
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def cluster_template_update(self, context, id, cluster_template):
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"""Update the cluster template or raise if it does not exist.
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:returns: the updated cluster template
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"""
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return self._manager.cluster_template_update(context,
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id,
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cluster_template)
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# Node Group Template ops
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@r.wrap(r.NodeGroupTemplateResource)
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def node_group_template_get(self, context, node_group_template):
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"""Return the node group template or None if it does not exist."""
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return self._manager.node_group_template_get(
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context, _get_id(node_group_template))
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@r.wrap(r.NodeGroupTemplateResource)
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def node_group_template_get_all(self, context, **kwargs):
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"""Get all node group templates filtered by **kwargs.
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e.g. node_group_template_get_all(plugin_name='vanilla',
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hadoop_version='1.1')
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"""
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return self._manager.node_group_template_get_all(context, **kwargs)
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@r.wrap(r.NodeGroupTemplateResource)
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def node_group_template_create(self, context, values):
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"""Create a node group template from the values dictionary.
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:returns: the created node group template
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"""
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return self._manager.node_group_template_create(context, values)
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def node_group_template_destroy(self, context, node_group_template):
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"""Destroy the node group template or raise if it does not exist.
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:returns: None
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"""
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self._manager.node_group_template_destroy(context,
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_get_id(node_group_template))
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@r.wrap(r.NodeGroupTemplateResource)
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def node_group_template_update(self, context, id, values):
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"""Update a node group template from the values dictionary.
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:returns: the updated node group template
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"""
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return self._manager.node_group_template_update(context, id, values)
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# Data Source ops
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@r.wrap(r.DataSource)
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def data_source_get(self, context, data_source):
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"""Return the Data Source or None if it does not exist."""
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return self._manager.data_source_get(context, _get_id(data_source))
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@r.wrap(r.DataSource)
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def data_source_get_all(self, context, **kwargs):
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"""Get all Data Sources filtered by **kwargs.
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e.g. data_source_get_all(name='myfile', type='swift')
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"""
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return self._manager.data_source_get_all(context, **kwargs)
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def data_source_count(self, context, **kwargs):
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"""Count Data Sources filtered by **kwargs.
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Uses sqlalchemy "in_" clause for any tuple values
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Uses sqlalchemy "like" clause for any string values containing %
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"""
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return self._manager.data_source_count(context, **kwargs)
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@r.wrap(r.DataSource)
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def data_source_create(self, context, values):
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"""Create a Data Source from the values dictionary."""
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return self._manager.data_source_create(context, values)
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def data_source_destroy(self, context, data_source):
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"""Destroy the Data Source or raise if it does not exist."""
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self._manager.data_source_destroy(context, _get_id(data_source))
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# JobExecution ops
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@r.wrap(r.JobExecution)
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def job_execution_get(self, context, job_execution):
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"""Return the JobExecution or None if it does not exist."""
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return self._manager.job_execution_get(context,
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_get_id(job_execution))
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@r.wrap(r.JobExecution)
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def job_execution_get_all(self, context, **kwargs):
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"""Get all JobExecutions filtered by **kwargs.
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kwargs key values may be the names of fields in a JobExecution
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plus the following special values with the indicated meaning:
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'cluster.name' -- name of the Cluster referenced by the JobExecution
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'job.name' -- name of the Job referenced by the JobExecution
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'status' -- JobExecution['info']['status']
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e.g. job_execution_get_all(cluster_id=12, input_id=123)
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job_execution_get_all(**{'cluster.name': 'test',
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'job.name': 'wordcount'})
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"""
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return self._manager.job_execution_get_all(context, **kwargs)
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def job_execution_count(self, context, **kwargs):
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"""Count number of JobExecutions filtered by **kwargs.
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e.g. job_execution_count(cluster_id=12, input_id=123)
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"""
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return self._manager.job_execution_count(context, **kwargs)
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@r.wrap(r.JobExecution)
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def job_execution_create(self, context, values):
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"""Create a JobExecution from the values dictionary."""
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return self._manager.job_execution_create(context, values)
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@r.wrap(r.JobExecution)
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def job_execution_update(self, context, job_execution, values):
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"""Update the JobExecution or raise if it does not exist."""
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return self._manager.job_execution_update(context,
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_get_id(job_execution),
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values)
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def job_execution_destroy(self, context, job_execution):
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"""Destroy the JobExecution or raise if it does not exist."""
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self._manager.job_execution_destroy(context, _get_id(job_execution))
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# Job ops
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@r.wrap(r.Job)
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def job_get(self, context, job):
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"""Return the Job or None if it does not exist."""
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return self._manager.job_get(context, _get_id(job))
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@r.wrap(r.Job)
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def job_get_all(self, context, **kwargs):
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"""Get all Jobs filtered by **kwargs.
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e.g. job_get_all(name='myjob', type='MapReduce')
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"""
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return self._manager.job_get_all(context, **kwargs)
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@r.wrap(r.Job)
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def job_create(self, context, values):
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"""Create a Job from the values dictionary."""
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return self._manager.job_create(context, values)
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def job_update(self, context, job, values):
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"""Update the Job or raise if it does not exist."""
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return self._manager.job_update(context, _get_id(job),
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values)
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def job_destroy(self, context, job):
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"""Destroy the Job or raise if it does not exist."""
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self._manager.job_destroy(context, _get_id(job))
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def job_main_name(self, context, job):
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"""Return the name of the first main JobBinary or None.
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At present the 'mains' element is expected to contain a single element.
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In the future if 'mains' contains more than one element we will need
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a scheme or convention for retrieving a name from the list of binaries.
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:param job: This is expected to be a Job object
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"""
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if job.mains:
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binary = self.job_binary_get(context, job.mains[0])
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if binary is not None:
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return binary["name"]
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return None
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def job_lib_names(self, context, job):
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"""Return the name of all job lib binaries or an empty list.
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:param job: This is expected to be a Job object
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"""
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lib_ids = job.libs or []
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binaries = (self.job_binary_get(context, lib_id) for lib_id in lib_ids)
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return [binary["name"] for binary in binaries if binary is not None]
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# JobBinary ops
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@r.wrap(r.JobBinary)
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def job_binary_get_all(self, context, **kwargs):
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"""Get all JobBinarys filtered by **kwargs.
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e.g. job_binary_get_all(name='wordcount.jar')
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"""
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return self._manager.job_binary_get_all(context, **kwargs)
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@r.wrap(r.JobBinary)
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def job_binary_get(self, context, job_binary):
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"""Return the JobBinary or None if it does not exist."""
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return self._manager.job_binary_get(context, _get_id(job_binary))
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@r.wrap(r.JobBinary)
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def job_binary_create(self, context, values):
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"""Create a JobBinary from the values dictionary."""
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return self._manager.job_binary_create(context, values)
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def job_binary_destroy(self, context, job_binary):
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"""Destroy the JobBinary or raise if it does not exist."""
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self._manager.job_binary_destroy(context, _get_id(job_binary))
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# JobBinaryInternal ops
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@r.wrap(r.JobBinaryInternal)
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def job_binary_internal_get_all(self, context, **kwargs):
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"""Get all JobBinaryInternals filtered by **kwargs.
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e.g. cluster_get_all(name='wordcount.jar')
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"""
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return self._manager.job_binary_internal_get_all(context, **kwargs)
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@r.wrap(r.JobBinaryInternal)
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def job_binary_internal_get(self, context, job_binary_internal):
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"""Return the JobBinaryInternal or None if it does not exist."""
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return self._manager.job_binary_internal_get(
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context,
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_get_id(job_binary_internal))
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@r.wrap(r.JobBinaryInternal)
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def job_binary_internal_create(self, context, values):
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"""Create a JobBinaryInternal from the values dictionary."""
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return self._manager.job_binary_internal_create(context, values)
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def job_binary_internal_destroy(self, context, job_binary_internal_id):
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"""Destroy the JobBinaryInternal or raise if it does not exist."""
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self._manager.job_binary_internal_destroy(
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context,
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_get_id(job_binary_internal_id))
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def job_binary_internal_get_raw_data(self, context,
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job_binary_internal_id):
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"""Return the binary data field from a JobBinaryInternal."""
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return self._manager.job_binary_internal_get_raw_data(
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context,
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job_binary_internal_id)
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# Events ops
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def cluster_provision_step_add(self, context, cluster_id, values):
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"""Create a cluster assigned ProvisionStep
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from the values dictionary
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"""
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return self._manager.cluster_provision_step_add(
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context, cluster_id, values)
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def cluster_provision_step_update(self, context, provision_step, values):
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"""Update the ProvisionStep from the values dictionary."""
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self._manager.cluster_provision_step_update(
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context, provision_step, values)
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def cluster_provision_step_get_events(self, context, provision_step):
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"""Return all events from the specified ProvisionStep."""
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return self._manager.cluster_provision_step_get_events(
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context, provision_step)
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def cluster_provision_step_remove_events(self, context, provision_step):
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"""Delete all event from the specified ProvisionStep."""
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self._manager.cluster_provision_step_remove_events(
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context, provision_step)
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def cluster_event_add(self, context, provision_step, values):
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"""Assign new event to the specified ProvisionStep."""
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self._manager.cluster_event_add(context, provision_step, values)
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class RemoteApi(LocalApi):
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"""Conductor API that does updates via RPC to the ConductorManager."""
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# TODO(slukjanov): it should override _manager and only necessary functions
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