1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
# 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'
class ClusterManagerV1(base.ResourceManager):
resource_class = Cluster
NotUpdated = base.NotUpdated()
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')
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, 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)
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=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)
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)
class ClusterManagerV2(ClusterManagerV1):
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)
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)
def force_delete(self, cluster_id):
"""Force Delete a Cluster."""
data = {'force': True}
return self._delete('/clusters/%s' % cluster_id, data)
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
|
