root / snf-cyclades-app / synnefo / logic / management / commands / backend-modify.py @ 2333a2c4
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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 | 1a894bfe | Christos Stavrakakis | from django.core.management.base import BaseCommand, CommandError |
36 | 2333a2c4 | Christos Stavrakakis | from synnefo.management.common import get_backend, check_backend_credentials |
37 | 1a894bfe | Christos Stavrakakis | |
38 | 1a894bfe | Christos Stavrakakis | |
39 | 1a894bfe | Christos Stavrakakis | class Command(BaseCommand): |
40 | 2333a2c4 | Christos Stavrakakis | output_transaction = True
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41 | 1a894bfe | Christos Stavrakakis | args = "<backend ID>"
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42 | 1a894bfe | Christos Stavrakakis | help = "Modify a backend"
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43 | 1a894bfe | Christos Stavrakakis | |
44 | 1a894bfe | Christos Stavrakakis | option_list = BaseCommand.option_list + ( |
45 | 1a894bfe | Christos Stavrakakis | make_option('--clustername',
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46 | 1a894bfe | Christos Stavrakakis | dest='clustername',
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47 | 1a894bfe | Christos Stavrakakis | help="Set backend's clustername"),
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48 | 1a894bfe | Christos Stavrakakis | make_option('--port',
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49 | 1a894bfe | Christos Stavrakakis | dest='port',
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50 | 1a894bfe | Christos Stavrakakis | help="Set backend's port"),
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51 | 1a894bfe | Christos Stavrakakis | make_option('--username',
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52 | 1a894bfe | Christos Stavrakakis | dest='username',
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53 | 1a894bfe | Christos Stavrakakis | help="Set backend'username"),
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54 | 1a894bfe | Christos Stavrakakis | make_option('--password',
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55 | 1a894bfe | Christos Stavrakakis | dest='password',
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56 | 1a894bfe | Christos Stavrakakis | help="Set backend's password"),
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57 | 1a894bfe | Christos Stavrakakis | make_option('--drained',
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58 | 1a894bfe | Christos Stavrakakis | dest='drained',
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59 | 1a894bfe | Christos Stavrakakis | action='store_true',
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60 | 1a894bfe | Christos Stavrakakis | default=False,
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61 | 1a894bfe | Christos Stavrakakis | help="Set the backend as drained to exclude from allocation "\
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62 | 1a894bfe | Christos Stavrakakis | "operations"),
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63 | 1a894bfe | Christos Stavrakakis | make_option('--no-drained',
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64 | 1a894bfe | Christos Stavrakakis | dest='drained',
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65 | 1a894bfe | Christos Stavrakakis | action='store_false'),
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66 | 1a894bfe | Christos Stavrakakis | make_option('--offline',
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67 | 1a894bfe | Christos Stavrakakis | dest='offline',
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68 | 1a894bfe | Christos Stavrakakis | action='store_true',
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69 | 1a894bfe | Christos Stavrakakis | default=False,
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70 | 1a894bfe | Christos Stavrakakis | help="Set the backend as offline to not communicate in order "\
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71 | 1a894bfe | Christos Stavrakakis | "to avoid delays"),
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72 | 1a894bfe | Christos Stavrakakis | make_option('--no-offline',
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73 | 1a894bfe | Christos Stavrakakis | dest='offline',
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74 | 1a894bfe | Christos Stavrakakis | action='store_false')
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75 | 1a894bfe | Christos Stavrakakis | ) |
76 | 1a894bfe | Christos Stavrakakis | |
77 | 1a894bfe | Christos Stavrakakis | def handle(self, *args, **options): |
78 | 1a894bfe | Christos Stavrakakis | if len(args) != 1: |
79 | 1a894bfe | Christos Stavrakakis | raise CommandError("Please provide a backend ID") |
80 | 1a894bfe | Christos Stavrakakis | |
81 | b84ed662 | Christos Stavrakakis | backend = get_backend(args[0])
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82 | 1a894bfe | Christos Stavrakakis | |
83 | 1a894bfe | Christos Stavrakakis | # Ensure fields correspondence with options and Backend model
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84 | 1a894bfe | Christos Stavrakakis | fields = ('clustername', 'port', 'username', 'password', 'drained', |
85 | 1a894bfe | Christos Stavrakakis | 'offline')
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86 | 1a894bfe | Christos Stavrakakis | for field in fields: |
87 | 1a894bfe | Christos Stavrakakis | value = options.get(field) |
88 | 1a894bfe | Christos Stavrakakis | if value is not None: |
89 | 1a894bfe | Christos Stavrakakis | backend.__setattr__(field, value) |
90 | 1a894bfe | Christos Stavrakakis | |
91 | 2333a2c4 | Christos Stavrakakis | credentials = ('clustername', 'port', 'username', 'password') |
92 | 2333a2c4 | Christos Stavrakakis | for field in credentials: |
93 | 2333a2c4 | Christos Stavrakakis | if options.get(field):
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94 | 2333a2c4 | Christos Stavrakakis | # check credentials, if any of them changed!
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95 | 2333a2c4 | Christos Stavrakakis | check_backend_credentials(backend.clustername, backend.port, |
96 | 2333a2c4 | Christos Stavrakakis | backend.username, backend.password) |
97 | 2333a2c4 | Christos Stavrakakis | return
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98 | 2333a2c4 | Christos Stavrakakis | |
99 | 1a894bfe | Christos Stavrakakis | backend.save() |