root / snf-cyclades-app / synnefo / logic / management / commands / backend-modify.py @ 6fec4302
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1 | 1a894bfe | Christos Stavrakakis | # Copyright 2012 GRNET S.A. All rights reserved.
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2 | 1a894bfe | Christos Stavrakakis | #
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3 | 1a894bfe | Christos Stavrakakis | # Redistribution and use in source and binary forms, with or
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4 | 1a894bfe | Christos Stavrakakis | # without modification, are permitted provided that the following
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5 | 1a894bfe | Christos Stavrakakis | # conditions are met:
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6 | 1a894bfe | Christos Stavrakakis | #
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7 | 1a894bfe | Christos Stavrakakis | # 1. Redistributions of source code must retain the above
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8 | 1a894bfe | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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9 | 1a894bfe | Christos Stavrakakis | # disclaimer.
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10 | 1a894bfe | Christos Stavrakakis | #
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11 | 1a894bfe | Christos Stavrakakis | # 2. Redistributions in binary form must reproduce the above
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12 | 1a894bfe | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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13 | 1a894bfe | Christos Stavrakakis | # disclaimer in the documentation and/or other materials
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14 | 1a894bfe | Christos Stavrakakis | # provided with the distribution.
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15 | 1a894bfe | Christos Stavrakakis | #
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16 | 1a894bfe | Christos Stavrakakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 1a894bfe | Christos Stavrakakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 1a894bfe | Christos Stavrakakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 1a894bfe | Christos Stavrakakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 1a894bfe | Christos Stavrakakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 1a894bfe | Christos Stavrakakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 1a894bfe | Christos Stavrakakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 1a894bfe | Christos Stavrakakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 1a894bfe | Christos Stavrakakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 1a894bfe | Christos Stavrakakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 1a894bfe | Christos Stavrakakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 1a894bfe | Christos Stavrakakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 1a894bfe | Christos Stavrakakis | #
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29 | 1a894bfe | Christos Stavrakakis | # The views and conclusions contained in the software and
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30 | 1a894bfe | Christos Stavrakakis | # documentation are those of the authors and should not be
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31 | 1a894bfe | Christos Stavrakakis | # interpreted as representing official policies, either expressed
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32 | 1a894bfe | Christos Stavrakakis | # or implied, of GRNET S.A.
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33 | 1a894bfe | Christos Stavrakakis | |
34 | 1a894bfe | Christos Stavrakakis | from optparse import make_option |
35 | 8c911970 | Christos Stavrakakis | from django.core.management.base import CommandError |
36 | 8c911970 | Christos Stavrakakis | from snf_django.management.commands import SynnefoCommand |
37 | 4c9ac139 | Christos Stavrakakis | from synnefo.db.models import Backend |
38 | d758784b | Christos Stavrakakis | from snf_django.management.utils import parse_bool |
39 | 225cea18 | Christos Stavrakakis | from synnefo.management.common import (get_backend, check_backend_credentials) |
40 | 1a894bfe | Christos Stavrakakis | |
41 | 4c9ac139 | Christos Stavrakakis | HYPERVISORS = [h[0] for h in Backend.HYPERVISORS] |
42 | 4c9ac139 | Christos Stavrakakis | |
43 | 1a894bfe | Christos Stavrakakis | |
44 | 8c911970 | Christos Stavrakakis | class Command(SynnefoCommand): |
45 | 2333a2c4 | Christos Stavrakakis | output_transaction = True
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46 | 1a894bfe | Christos Stavrakakis | args = "<backend ID>"
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47 | 1a894bfe | Christos Stavrakakis | help = "Modify a backend"
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48 | 1a894bfe | Christos Stavrakakis | |
49 | 8c911970 | Christos Stavrakakis | option_list = SynnefoCommand.option_list + ( |
50 | 1a894bfe | Christos Stavrakakis | make_option('--clustername',
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51 | cc92b70f | Christos Stavrakakis | dest='clustername',
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52 | cc92b70f | Christos Stavrakakis | help="Set backend's clustername"),
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53 | 1a894bfe | Christos Stavrakakis | make_option('--port',
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54 | cc92b70f | Christos Stavrakakis | dest='port',
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55 | cc92b70f | Christos Stavrakakis | help="Set backend's port"),
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56 | 1a894bfe | Christos Stavrakakis | make_option('--username',
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57 | cc92b70f | Christos Stavrakakis | dest='username',
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58 | cc92b70f | Christos Stavrakakis | help="Set backend'username"),
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59 | 1a894bfe | Christos Stavrakakis | make_option('--password',
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60 | cc92b70f | Christos Stavrakakis | dest='password',
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61 | cc92b70f | Christos Stavrakakis | help="Set backend's password"),
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62 | 1a894bfe | Christos Stavrakakis | make_option('--drained',
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63 | cc92b70f | Christos Stavrakakis | dest='drained',
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64 | cc92b70f | Christos Stavrakakis | choices=["True", "False"], |
65 | cc92b70f | Christos Stavrakakis | metavar="True|False",
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66 | cc92b70f | Christos Stavrakakis | help="Set the backend as drained to exclude from"
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67 | cc92b70f | Christos Stavrakakis | " allocation operations"),
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68 | 4c9ac139 | Christos Stavrakakis | make_option('--hypervisor',
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69 | 4c9ac139 | Christos Stavrakakis | dest='hypervisor',
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70 | 4c9ac139 | Christos Stavrakakis | default=None,
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71 | 4c9ac139 | Christos Stavrakakis | choices=HYPERVISORS, |
72 | 4c9ac139 | Christos Stavrakakis | metavar="|".join(HYPERVISORS),
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73 | 4c9ac139 | Christos Stavrakakis | help="The hypervisor that the Ganeti backend uses"),
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74 | 1a894bfe | Christos Stavrakakis | make_option('--offline',
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75 | cc92b70f | Christos Stavrakakis | dest='offline',
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76 | cc92b70f | Christos Stavrakakis | choices=["True", "False"], |
77 | cc92b70f | Christos Stavrakakis | metavar="True|False",
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78 | cc92b70f | Christos Stavrakakis | help="Set the backend as offline to not communicate in"
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79 | cc92b70f | Christos Stavrakakis | " order to avoid delays"),
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80 | cc92b70f | Christos Stavrakakis | ) |
81 | 1a894bfe | Christos Stavrakakis | |
82 | 1a894bfe | Christos Stavrakakis | def handle(self, *args, **options): |
83 | 1a894bfe | Christos Stavrakakis | if len(args) != 1: |
84 | 1a894bfe | Christos Stavrakakis | raise CommandError("Please provide a backend ID") |
85 | 1a894bfe | Christos Stavrakakis | |
86 | b84ed662 | Christos Stavrakakis | backend = get_backend(args[0])
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87 | 1a894bfe | Christos Stavrakakis | |
88 | 1a894bfe | Christos Stavrakakis | # Ensure fields correspondence with options and Backend model
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89 | f83ebc98 | Christos Stavrakakis | credentials_changed = False
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90 | f83ebc98 | Christos Stavrakakis | fields = ('clustername', 'port', 'username', 'password') |
91 | 1a894bfe | Christos Stavrakakis | for field in fields: |
92 | 1a894bfe | Christos Stavrakakis | value = options.get(field) |
93 | 1a894bfe | Christos Stavrakakis | if value is not None: |
94 | 1a894bfe | Christos Stavrakakis | backend.__setattr__(field, value) |
95 | f83ebc98 | Christos Stavrakakis | credentials_changed = True
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96 | 1a894bfe | Christos Stavrakakis | |
97 | f83ebc98 | Christos Stavrakakis | if credentials_changed:
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98 | 2333a2c4 | Christos Stavrakakis | # check credentials, if any of them changed!
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99 | 2333a2c4 | Christos Stavrakakis | check_backend_credentials(backend.clustername, backend.port, |
100 | 2333a2c4 | Christos Stavrakakis | backend.username, backend.password) |
101 | f83ebc98 | Christos Stavrakakis | if options['drained']: |
102 | 225cea18 | Christos Stavrakakis | backend.drained = parse_bool(options['drained'], strict=True) |
103 | f83ebc98 | Christos Stavrakakis | if options['offline']: |
104 | 225cea18 | Christos Stavrakakis | backend.offline = parse_bool(options['offline'], strict=True) |
105 | 4c9ac139 | Christos Stavrakakis | hypervisor = options["hypervisor"]
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106 | 4c9ac139 | Christos Stavrakakis | if hypervisor:
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107 | 4c9ac139 | Christos Stavrakakis | backend.hypervisor = hypervisor |
108 | 2333a2c4 | Christos Stavrakakis | |
109 | 1a894bfe | Christos Stavrakakis | backend.save() |