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
|
# Copyright [2015] Hewlett-Packard Development Company, L.P.
# All Rights Reserved.
#
# 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 oslo_log import log as logging
from trove.common.clients import create_guest_client
from trove.common.db import models as guest_models
from trove.common import exception
from trove.common import timeutils
from trove.db import get_db_api
from trove.instance import models as base_models
LOG = logging.getLogger(__name__)
def load_and_verify(context, instance_id,
enabled_datastore=['mysql', 'mariadb']):
"""Check instance datastore.
Some API operations are only supported for some specific datastores.
"""
instance = base_models.Instance.load(context, instance_id)
if instance.datastore_version.manager not in enabled_datastore:
raise exception.UnprocessableEntity(
"Operation not supported for datastore "
f"{instance.datastore_version.manager}."
)
if not instance.is_datastore_running:
raise exception.UnprocessableEntity(
"Instance %s is not ready, status: %s." %
(instance.id, instance.datastore_status.status)
)
return instance
class Root(object):
@classmethod
def load(cls, context, instance_id):
load_and_verify(context, instance_id,
enabled_datastore=['mysql', 'mariadb', 'postgresql'])
# TODO(pdmars): remove the is_root_enabled call from the guest agent,
# just check the database for this information.
# If the root history returns null or raises an exception, the root
# user hasn't been enabled.
try:
root_history = RootHistory.load(context, instance_id)
except exception.NotFound:
return False
if not root_history:
return False
return True
@classmethod
def create(cls, context, instance_id, root_password,
cluster_instances_list=None):
load_and_verify(context, instance_id,
enabled_datastore=['mysql', 'mariadb', 'postgresql'])
if root_password:
root = create_guest_client(context,
instance_id).enable_root_with_password(
root_password)
else:
root = create_guest_client(context, instance_id).enable_root()
root_user = guest_models.DatastoreUser.deserialize(root,
verify=False)
root_user.make_root()
# if cluster_instances_list none, then root create is called for
# single instance, adding an RootHistory entry for the instance_id
if cluster_instances_list is None:
RootHistory.create(context, instance_id)
return root_user
@classmethod
def delete(cls, context, instance_id):
load_and_verify(context, instance_id,
enabled_datastore=['mysql', 'mariadb', 'postgresql'])
create_guest_client(context, instance_id).disable_root()
class ClusterRoot(Root):
@classmethod
def create(cls, context, instance_id, root_password,
cluster_instances_list=None):
root_user = super(ClusterRoot, cls).create(context, instance_id,
root_password,
cluster_instances_list=None)
if cluster_instances_list:
for instance in cluster_instances_list:
RootHistory.create(context, instance)
return root_user
class RootHistory(object):
_auto_generated_attrs = ['id']
_data_fields = ['instance_id', 'user', 'created']
_table_name = 'root_enabled_history'
def __init__(self, instance_id, user):
self.id = instance_id
self.user = user
self.created = timeutils.utcnow()
def save(self):
LOG.debug("Saving %(name)s: %(dict)s",
{'name': self.__class__.__name__, 'dict': self.__dict__})
return get_db_api().save(self)
@classmethod
def load(cls, context, instance_id):
history = get_db_api().find_by(cls, id=instance_id)
return history
@classmethod
def create(cls, context, instance_id):
history = cls.load(context, instance_id)
if history is not None:
return history
history = RootHistory(instance_id, context.user)
return history.save()
|
