91 lines
3.0 KiB
Python
91 lines
3.0 KiB
Python
# 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 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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import pecan
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import wsme
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from wsme import types as wtypes
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from magnum.api.controllers import base
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from magnum.api.controllers.v1 import types
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from magnum.api import expose
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from magnum.api import utils as api_utils
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from magnum.common import policy
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class ClusterID(wtypes.Base):
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"""API representation of a cluster ID
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This class enforces type checking and value constraints, and converts
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between the internal object model and the API representation of a cluster
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ID.
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"""
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uuid = types.uuid
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"""Unique UUID for this cluster"""
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def __init__(self, uuid):
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self.uuid = uuid
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class ClusterResizeRequest(base.APIBase):
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"""API object for handling resize requests.
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This class enforces type checking and value constraints.
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"""
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node_count = wtypes.IntegerType(minimum=1)
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"""The expected node count after resize."""
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nodes_to_remove = wsme.wsattr([wsme.types.text], mandatory=False,
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default=[])
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"""Instance ID list for nodes to be removed."""
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nodegroup = wtypes.StringType(min_length=1, max_length=255)
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"""Group of nodes to be uprgaded (master or node)"""
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class ActionsController(base.Controller):
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"""REST controller for cluster actions."""
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def __init__(self):
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super(ActionsController, self).__init__()
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_custom_actions = {
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'resize': ['POST'],
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}
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@base.Controller.api_version("1.7")
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@expose.expose(None, types.uuid_or_name,
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body=ClusterResizeRequest, status_code=202)
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def resize(self, cluster_ident, cluster_resize_req):
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"""Resize a cluster.
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:param cluster_ident: UUID of a cluster or logical name of the cluster.
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"""
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context = pecan.request.context
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cluster = api_utils.get_resource('Cluster', cluster_ident)
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policy.enforce(context, 'cluster:resize', cluster,
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action='cluster:resize')
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if (cluster_resize_req.nodegroup == wtypes.Unset or
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not cluster_resize_req.nodegroup):
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# TODO(flwang): The default node group of current cluster could be
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# extracted by objects.NodeGroups.get_by_uuid or something like
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# that as long as we have node group support.
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cluster_resize_req.nodegroup = None
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pecan.request.rpcapi.cluster_resize_async(
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cluster,
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cluster_resize_req.node_count,
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cluster_resize_req.nodes_to_remove,
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cluster_resize_req.nodegroup)
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return ClusterID(cluster.uuid)
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