summaryrefslogtreecommitdiff
path: root/heat/engine/support.py
blob: cc0457e5d6ef7a10aef7694a18282b762400ab62 (plain)
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
#
#    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 heat.common.i18n import _

SUPPORT_STATUSES = (UNKNOWN, SUPPORTED, DEPRECATED, UNSUPPORTED, HIDDEN
                    ) = ('UNKNOWN', 'SUPPORTED', 'DEPRECATED', 'UNSUPPORTED',
                         'HIDDEN')


class SupportStatus(object):

    def __init__(self, status=SUPPORTED, message=None, version=None,
                 previous_status=None):
        """Use SupportStatus for current status of object.

        :param status: current status of object.
        :param version: version of OpenStack, from which current status is
                    valid. It may be None, but need to be defined for correct
                    doc generating.
        :param message: specific status message for object.
        """
        self.status = status
        self.message = message
        self.version = version
        self.previous_status = previous_status

        self.validate()

    def validate(self):
        if (self.previous_status is not None and
                not isinstance(self.previous_status, SupportStatus)):
            raise ValueError(_('previous_status must be SupportStatus '
                               'instead of %s') % type(self.previous_status))

        if self.status not in SUPPORT_STATUSES:
            self.status = UNKNOWN
            self.message = _("Specified status is invalid, defaulting to"
                             " %s") % UNKNOWN

            self.version = None
            self.previous_status = None

    def to_dict(self):
            return {'status': self.status,
                    'message': self.message,
                    'version': self.version,
                    'previous_status': self.previous_status.to_dict()
                    if self.previous_status is not None else None}


def is_valid_status(status):
    return status in SUPPORT_STATUSES