root / snf-cyclades-app / synnefo / api / management / commands / floating-ip-release.py @ 9d1e6480
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1 | 9d1e6480 | Marios Kogias | # Copyright 2012 GRNET S.A. All rights reserved.
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2 | 9d1e6480 | Marios Kogias | #
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3 | 9d1e6480 | Marios Kogias | # Redistribution and use in source and binary forms, with or
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4 | 9d1e6480 | Marios Kogias | # without modification, are permitted provided that the following
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5 | 9d1e6480 | Marios Kogias | # conditions are met:
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6 | 9d1e6480 | Marios Kogias | #
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7 | 9d1e6480 | Marios Kogias | # 1. Redistributions of source code must retain the above
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8 | 9d1e6480 | Marios Kogias | # copyright notice, this list of conditions and the following
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9 | 9d1e6480 | Marios Kogias | # disclaimer.
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10 | 9d1e6480 | Marios Kogias | #
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11 | 9d1e6480 | Marios Kogias | # 2. Redistributions in binary form must reproduce the above
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12 | 9d1e6480 | Marios Kogias | # copyright notice, this list of conditions and the following
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13 | 9d1e6480 | Marios Kogias | # disclaimer in the documentation and/or other materials
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14 | 9d1e6480 | Marios Kogias | # provided with the distribution.
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15 | 9d1e6480 | Marios Kogias | #
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16 | 9d1e6480 | Marios Kogias | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 9d1e6480 | Marios Kogias | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 9d1e6480 | Marios Kogias | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 9d1e6480 | Marios Kogias | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 9d1e6480 | Marios Kogias | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 9d1e6480 | Marios Kogias | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 9d1e6480 | Marios Kogias | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 9d1e6480 | Marios Kogias | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 9d1e6480 | Marios Kogias | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 9d1e6480 | Marios Kogias | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 9d1e6480 | Marios Kogias | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 9d1e6480 | Marios Kogias | # POSSIBILITY OF SUCH DAMAGE.
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28 | 9d1e6480 | Marios Kogias | #
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29 | 9d1e6480 | Marios Kogias | # The views and conclusions contained in the software and
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30 | 9d1e6480 | Marios Kogias | # documentation are those of the authors and should not be
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31 | 9d1e6480 | Marios Kogias | # interpreted as representing official policies, either expressed
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32 | 9d1e6480 | Marios Kogias | # or implied, of GRNET S.A.
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33 | 9d1e6480 | Marios Kogias | |
34 | 9d1e6480 | Marios Kogias | from optparse import make_option |
35 | 9d1e6480 | Marios Kogias | |
36 | 9d1e6480 | Marios Kogias | from django.db import transaction |
37 | 9d1e6480 | Marios Kogias | from django.core.management.base import BaseCommand, CommandError |
38 | 9d1e6480 | Marios Kogias | |
39 | 9d1e6480 | Marios Kogias | from synnefo.management.common import get_floating_ip_by_address |
40 | 9d1e6480 | Marios Kogias | from synnefo import quotas |
41 | 9d1e6480 | Marios Kogias | |
42 | 9d1e6480 | Marios Kogias | class Command(BaseCommand): |
43 | 9d1e6480 | Marios Kogias | can_import_settings = True
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44 | 9d1e6480 | Marios Kogias | output_transaction = True
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45 | 9d1e6480 | Marios Kogias | |
46 | 9d1e6480 | Marios Kogias | help = "Release a floating IP"
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47 | 9d1e6480 | Marios Kogias | |
48 | 9d1e6480 | Marios Kogias | @transaction.commit_on_success
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49 | 9d1e6480 | Marios Kogias | def handle(self, *args, **options): |
50 | 9d1e6480 | Marios Kogias | if not args: |
51 | 9d1e6480 | Marios Kogias | raise CommandError("Please provide a floating-ip address") |
52 | 9d1e6480 | Marios Kogias | |
53 | 9d1e6480 | Marios Kogias | address = args[0]
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54 | 9d1e6480 | Marios Kogias | |
55 | 9d1e6480 | Marios Kogias | floating_ip = get_floating_ip_by_address(address, for_update=True)
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56 | 9d1e6480 | Marios Kogias | if floating_ip.nic:
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57 | 9d1e6480 | Marios Kogias | # This is safe, you also need for_update to attach floating IP to
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58 | 9d1e6480 | Marios Kogias | # instance.
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59 | 9d1e6480 | Marios Kogias | msg = "Floating IP '%s' is attached to instance." % floating_ip.id
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60 | 9d1e6480 | Marios Kogias | raise CommandError(msg)
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61 | 9d1e6480 | Marios Kogias | |
62 | 9d1e6480 | Marios Kogias | # Return the address of the floating IP back to pool
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63 | 9d1e6480 | Marios Kogias | floating_ip.release_address() |
64 | 9d1e6480 | Marios Kogias | # And mark the floating IP as deleted
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65 | 9d1e6480 | Marios Kogias | floating_ip.deleted = True
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66 | 9d1e6480 | Marios Kogias | floating_ip.save() |
67 | 9d1e6480 | Marios Kogias | # Release quota for floating IP
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68 | 9d1e6480 | Marios Kogias | quotas.issue_and_accept_commission(floating_ip, delete=True)
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69 | 9d1e6480 | Marios Kogias | transaction.commit() |
70 | 9d1e6480 | Marios Kogias | # Delete the floating IP from DB
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71 | 9d1e6480 | Marios Kogias | floating_ip.delete() |
72 | 9d1e6480 | Marios Kogias | |
73 | 9d1e6480 | Marios Kogias | self.stdout.write("Deleted floating IP '%s'.\n" % address) |