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# Copyright (c) 2013 Mirantis Inc.
#
# 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 six.moves.urllib import parse
from saharaclient.api import base
class Cluster(base.Resource):
resource_name = 'Cluster'
class ClusterManager(base.ResourceManager):
resource_class = Cluster
def create(self, name, plugin_name, hadoop_version,
cluster_template_id=None, default_image_id=None,
is_transient=None, description=None, cluster_configs=None,
node_groups=None, user_keypair_id=None,
anti_affinity=None, net_id=None, count=None,
use_autoconfig=None, shares=None,
is_public=None, is_protected=None):
"""Launch a Cluster."""
data = {
'name': name,
'plugin_name': plugin_name,
'hadoop_version': hadoop_version,
}
# Checking if count is greater than 1, otherwise we set it to None
# so the created dict in the _copy_if_defined method does not contain
# the count parameter.
if count and count <= 1:
count = None
self._copy_if_defined(data,
cluster_template_id=cluster_template_id,
is_transient=is_transient,
default_image_id=default_image_id,
description=description,
cluster_configs=cluster_configs,
node_groups=node_groups,
user_keypair_id=user_keypair_id,
anti_affinity=anti_affinity,
neutron_management_network=net_id,
count=count,
use_autoconfig=use_autoconfig,
shares=shares,
is_public=is_public,
is_protected=is_protected)
if count:
return self._create('/clusters/multiple', data)
return self._create('/clusters', data, 'cluster')
def scale(self, cluster_id, scale_object):
"""Scale an existing Cluster.
:param scale_object: dict that describes scaling operation
:Example:
The following `scale_object` can be used to change the number of
instances in the node group and add instances of new node group to
existing cluster:
.. sourcecode:: json
{
"add_node_groups": [
{
"count": 3,
"name": "new_ng",
"node_group_template_id": "ngt_id"
}
],
"resize_node_groups": [
{
"count": 2,
"name": "old_ng"
}
]
}
"""
return self._update('/clusters/%s' % cluster_id, scale_object)
def list(self, search_opts=None):
"""Get a list of Clusters."""
query = base.get_query_string(search_opts)
return self._list('/clusters%s' % query, 'clusters')
def get(self, cluster_id, show_progress=False):
"""Get information about a Cluster."""
url = ('/clusters/%(cluster_id)s?%(params)s' %
{"cluster_id": cluster_id,
"params": parse.urlencode({"show_progress": show_progress})})
return self._get(url, 'cluster')
def delete(self, cluster_id):
"""Delete a Cluster."""
self._delete('/clusters/%s' % cluster_id)
def update(self, cluster_id, name=None, description=None, is_public=None,
is_protected=None, shares=None):
"""Update a Cluster."""
data = {}
self._copy_if_defined(data, name=name, description=description,
is_public=is_public, is_protected=is_protected,
shares=shares)
return self._patch('/clusters/%s' % cluster_id, data)
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