root / snf-cyclades-app / synnefo / logic / management / commands / pool-show.py @ 4500650c
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1 | 0eed6cf8 | Christos Stavrakakis | # Copyright 2012 GRNET S.A. All rights reserved.
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2 | 0eed6cf8 | Christos Stavrakakis | #
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3 | 0eed6cf8 | Christos Stavrakakis | # Redistribution and use in source and binary forms, with or
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4 | 0eed6cf8 | Christos Stavrakakis | # without modification, are permitted provided that the following
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5 | 0eed6cf8 | Christos Stavrakakis | # conditions are met:
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6 | 0eed6cf8 | Christos Stavrakakis | #
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7 | 0eed6cf8 | Christos Stavrakakis | # 1. Redistributions of source code must retain the above
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8 | 0eed6cf8 | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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9 | 0eed6cf8 | Christos Stavrakakis | # disclaimer.
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10 | 0eed6cf8 | Christos Stavrakakis | #
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11 | 0eed6cf8 | Christos Stavrakakis | # 2. Redistributions in binary form must reproduce the above
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12 | 0eed6cf8 | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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13 | 0eed6cf8 | Christos Stavrakakis | # disclaimer in the documentation and/or other materials
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14 | 0eed6cf8 | Christos Stavrakakis | # provided with the distribution.
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15 | 0eed6cf8 | Christos Stavrakakis | #
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16 | 0eed6cf8 | Christos Stavrakakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 0eed6cf8 | Christos Stavrakakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 0eed6cf8 | Christos Stavrakakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 0eed6cf8 | Christos Stavrakakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 0eed6cf8 | Christos Stavrakakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 0eed6cf8 | Christos Stavrakakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 0eed6cf8 | Christos Stavrakakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 0eed6cf8 | Christos Stavrakakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 0eed6cf8 | Christos Stavrakakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 0eed6cf8 | Christos Stavrakakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 0eed6cf8 | Christos Stavrakakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 0eed6cf8 | Christos Stavrakakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 0eed6cf8 | Christos Stavrakakis | #
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29 | 0eed6cf8 | Christos Stavrakakis | # The views and conclusions contained in the software and
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30 | 0eed6cf8 | Christos Stavrakakis | # documentation are those of the authors and should not be
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31 | 0eed6cf8 | Christos Stavrakakis | # interpreted as representing official policies, either expressed
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32 | 0eed6cf8 | Christos Stavrakakis | # or implied, of GRNET S.A.
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33 | 0eed6cf8 | Christos Stavrakakis | |
34 | 0eed6cf8 | Christos Stavrakakis | from django.core.management.base import BaseCommand, CommandError |
35 | 0eed6cf8 | Christos Stavrakakis | from optparse import make_option |
36 | 0eed6cf8 | Christos Stavrakakis | |
37 | 0eed6cf8 | Christos Stavrakakis | from util import pool_table_from_type, pool_map_chunks |
38 | 0eed6cf8 | Christos Stavrakakis | from synnefo.db.pools import bitarray_to_map |
39 | 0eed6cf8 | Christos Stavrakakis | |
40 | 0eed6cf8 | Christos Stavrakakis | POOL_CHOICES = ['bridge', 'mac-prefix'] |
41 | 0eed6cf8 | Christos Stavrakakis | |
42 | cc92b70f | Christos Stavrakakis | |
43 | 0eed6cf8 | Christos Stavrakakis | class Command(BaseCommand): |
44 | 0eed6cf8 | Christos Stavrakakis | args = "<pool ID>"
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45 | 0eed6cf8 | Christos Stavrakakis | help = "Show a pool"
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46 | 7f9f3018 | Christos Stavrakakis | output_transaction = True
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47 | 0eed6cf8 | Christos Stavrakakis | option_list = BaseCommand.option_list + ( |
48 | 0eed6cf8 | Christos Stavrakakis | make_option('--type', dest='type', |
49 | 0eed6cf8 | Christos Stavrakakis | choices=POOL_CHOICES, |
50 | 0eed6cf8 | Christos Stavrakakis | help="Type of pool"
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51 | 0eed6cf8 | Christos Stavrakakis | ), |
52 | 0eed6cf8 | Christos Stavrakakis | ) |
53 | 0eed6cf8 | Christos Stavrakakis | |
54 | 0eed6cf8 | Christos Stavrakakis | def handle(self, *args, **options): |
55 | 0eed6cf8 | Christos Stavrakakis | type_ = options['type']
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56 | 0eed6cf8 | Christos Stavrakakis | |
57 | 0eed6cf8 | Christos Stavrakakis | if not type_: |
58 | 0eed6cf8 | Christos Stavrakakis | raise CommandError("Type of pool is mandatory") |
59 | 0eed6cf8 | Christos Stavrakakis | |
60 | 0eed6cf8 | Christos Stavrakakis | pool_table = pool_table_from_type(type_) |
61 | 0eed6cf8 | Christos Stavrakakis | |
62 | 0eed6cf8 | Christos Stavrakakis | try:
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63 | 0eed6cf8 | Christos Stavrakakis | pool_id = int(args[0]) |
64 | 0eed6cf8 | Christos Stavrakakis | pool_row = pool_table.objects.get(id=pool_id) |
65 | 0eed6cf8 | Christos Stavrakakis | except (ValueError, pool_table.DoesNotExist): |
66 | 0eed6cf8 | Christos Stavrakakis | raise CommandError("Invalid pool ID") |
67 | 0eed6cf8 | Christos Stavrakakis | |
68 | 0eed6cf8 | Christos Stavrakakis | pool = pool_row.pool |
69 | 0eed6cf8 | Christos Stavrakakis | |
70 | 0eed6cf8 | Christos Stavrakakis | kv = { |
71 | 0eed6cf8 | Christos Stavrakakis | 'id': pool_row.id,
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72 | 0eed6cf8 | Christos Stavrakakis | 'offset': pool_row.offset,
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73 | 0eed6cf8 | Christos Stavrakakis | 'base': pool_row.base,
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74 | 0eed6cf8 | Christos Stavrakakis | 'size': pool_row.size,
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75 | 0eed6cf8 | Christos Stavrakakis | 'available': pool.count_available(),
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76 | 0eed6cf8 | Christos Stavrakakis | 'reserved': pool.count_reserved(),
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77 | 0eed6cf8 | Christos Stavrakakis | } |
78 | 0eed6cf8 | Christos Stavrakakis | |
79 | 0eed6cf8 | Christos Stavrakakis | for key, val in sorted(kv.items()): |
80 | 0eed6cf8 | Christos Stavrakakis | line = '%s: %s\n' % (key.rjust(16), val) |
81 | 0eed6cf8 | Christos Stavrakakis | self.stdout.write(line.encode('utf8')) |
82 | 0eed6cf8 | Christos Stavrakakis | |
83 | 5e1a5f9b | Christos Stavrakakis | step = (type_ == 'bridge') and 64 or 80 |
84 | 0eed6cf8 | Christos Stavrakakis | print_map('Pool', pool.to_map(), step, self.stdout) |
85 | cc92b70f | Christos Stavrakakis | print_map('Reserved', bitarray_to_map(pool.reserved[:pool_row.size]),
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86 | cc92b70f | Christos Stavrakakis | step, self.stdout)
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87 | 0eed6cf8 | Christos Stavrakakis | |
88 | 0eed6cf8 | Christos Stavrakakis | |
89 | 0eed6cf8 | Christos Stavrakakis | def print_map(name, pool_map, step, out): |
90 | 0eed6cf8 | Christos Stavrakakis | sep = '*' * 80 |
91 | 0eed6cf8 | Christos Stavrakakis | out.write(sep + "\n")
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92 | 0eed6cf8 | Christos Stavrakakis | out.write("%s: \n" % name)
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93 | 0eed6cf8 | Christos Stavrakakis | out.write(sep + "\n")
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94 | 5e1a5f9b | Christos Stavrakakis | count = 0
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95 | 5e1a5f9b | Christos Stavrakakis | for chunk in pool_map_chunks(pool_map, step): |
96 | 5e1a5f9b | Christos Stavrakakis | chunk_len = len(chunk)
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97 | 56359f67 | Christos Stavrakakis | out.write(("%s " % count).rjust(4)) |
98 | 5e1a5f9b | Christos Stavrakakis | out.write((chunk + " %d\n") % (count + chunk_len - 1)) |
99 | 5e1a5f9b | Christos Stavrakakis | count += chunk_len |