# 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 urllib import parse
from saharaclient.api import base
class Cluster(base.Resource):
resource_name = 'Cluster'
[docs]class ClusterManagerV1(base.ResourceManager):
resource_class = Cluster
NotUpdated = base.NotUpdated()
[docs] 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,
}
return self._do_create(data, cluster_template_id, default_image_id,
is_transient, description, cluster_configs,
node_groups, user_keypair_id, anti_affinity,
net_id, count, use_autoconfig, shares,
is_public, is_protected, api_ver=1.1)
def _do_create(self, data, cluster_template_id, default_image_id,
is_transient, description, cluster_configs, node_groups,
user_keypair_id, anti_affinity, net_id, count,
use_autoconfig, shares, is_public, is_protected, api_ver):
# 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:
if api_ver >= 2:
return self._create('/clusters', data)
else:
return self._create('/clusters/multiple', data)
return self._create('/clusters', data, 'cluster')
[docs] 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)
[docs] def list(self, search_opts=None, limit=None, marker=None,
sort_by=None, reverse=None):
"""Get a list of Clusters."""
query = base.get_query_string(search_opts, limit=limit, marker=marker,
sort_by=sort_by, reverse=reverse)
url = "/clusters%s" % query
return self._page(url, 'clusters', limit)
[docs] 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')
[docs] def delete(self, cluster_id):
"""Delete a Cluster."""
self._delete('/clusters/%s' % cluster_id)
[docs] def update(self, cluster_id, name=NotUpdated, description=NotUpdated,
is_public=NotUpdated, is_protected=NotUpdated,
shares=NotUpdated):
"""Update a Cluster."""
data = {}
self._copy_if_updated(data, name=name, description=description,
is_public=is_public, is_protected=is_protected,
shares=shares)
return self._patch('/clusters/%s' % cluster_id, data)
[docs] def verification_update(self, cluster_id, status):
"""Start a verification for a Cluster."""
data = {'verification': {'status': status}}
return self._patch("/clusters/%s" % cluster_id, data)
[docs]class ClusterManagerV2(ClusterManagerV1):
[docs] def create(self, name, plugin_name, plugin_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,
'plugin_version': plugin_version,
}
return self._do_create(data, cluster_template_id, default_image_id,
is_transient, description, cluster_configs,
node_groups, user_keypair_id, anti_affinity,
net_id, count, use_autoconfig, shares,
is_public, is_protected, api_ver=2)
[docs] 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 (optionally specifiying which instances to
delete) or add instances of a new node group to an 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",
"instances": ["instance_id1", "instance_id2"]
}
]
}
"""
return self._update('/clusters/%s' % cluster_id, scale_object)
[docs] def force_delete(self, cluster_id):
"""Force Delete a Cluster."""
data = {'force': True}
return self._delete('/clusters/%s' % cluster_id, data)
[docs] def update_keypair(self, cluster_id):
"""Reflect an updated keypair on the cluster."""
data = {'update_keypair': True}
return self._patch("/clusters/%s" % cluster_id, data)
# NOTE(jfreud): keep this around for backwards compatibility
ClusterManager = ClusterManagerV1
