root / snf-cyclades-app / synnefo / logic / management / commands / backend-list.py @ d7841399
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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 | 7a0aa449 | Christos Stavrakakis | from synnefo.management.common import pprint_table |
37 | 1a894bfe | Christos Stavrakakis | |
38 | 1a894bfe | Christos Stavrakakis | from synnefo.db.models import Backend |
39 | 1a894bfe | Christos Stavrakakis | |
40 | 1a894bfe | Christos Stavrakakis | |
41 | 1a894bfe | Christos Stavrakakis | class Command(BaseCommand): |
42 | 1a894bfe | Christos Stavrakakis | help = "List backends"
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43 | 1a894bfe | Christos Stavrakakis | |
44 | 1a894bfe | Christos Stavrakakis | option_list = BaseCommand.option_list + ( |
45 | 1a894bfe | Christos Stavrakakis | make_option('-c',
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46 | 1a894bfe | Christos Stavrakakis | action='store_true',
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47 | 1a894bfe | Christos Stavrakakis | dest='csv',
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48 | 1a894bfe | Christos Stavrakakis | default=False,
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49 | 1a894bfe | Christos Stavrakakis | help="Use pipes to separate values"),
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50 | 1a894bfe | Christos Stavrakakis | ) |
51 | 1a894bfe | Christos Stavrakakis | |
52 | 1a894bfe | Christos Stavrakakis | def handle(self, *args, **options): |
53 | 1a894bfe | Christos Stavrakakis | if args:
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54 | 1a894bfe | Christos Stavrakakis | raise CommandError("Command doesn't accept any arguments") |
55 | 1a894bfe | Christos Stavrakakis | |
56 | 1a894bfe | Christos Stavrakakis | backends = Backend.objects.order_by('id')
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57 | 1a894bfe | Christos Stavrakakis | |
58 | 7a0aa449 | Christos Stavrakakis | headers = ('id', 'clustername', 'port', 'username', "VMs", 'drained', |
59 | 7a0aa449 | Christos Stavrakakis | 'offline')
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60 | 7a0aa449 | Christos Stavrakakis | table = [] |
61 | 1a894bfe | Christos Stavrakakis | for backend in backends: |
62 | 1a894bfe | Christos Stavrakakis | id = str(backend.id)
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63 | 1a894bfe | Christos Stavrakakis | vms = str(backend.virtual_machines.filter(deleted=False).count()) |
64 | 1a894bfe | Christos Stavrakakis | fields = (id, backend.clustername, str(backend.port), |
65 | 1a894bfe | Christos Stavrakakis | backend.username, vms, str(backend.drained),
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66 | 1a894bfe | Christos Stavrakakis | str(backend.offline))
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67 | 7a0aa449 | Christos Stavrakakis | table.append(fields) |
68 | 1a894bfe | Christos Stavrakakis | |
69 | 7a0aa449 | Christos Stavrakakis | separator = " | " if options['csv'] else None |
70 | 7a0aa449 | Christos Stavrakakis | pprint_table(self.stdout, table, headers, separator) |