root / snf-cyclades-app / synnefo / logic / management / commands / backend-list.py @ 3d5906fe
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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 | b0e7f310 | Christos Stavrakakis | from synnefo.db.models import Backend, IPPoolTable |
35 | b0e7f310 | Christos Stavrakakis | from synnefo.webproject.management.commands import ListCommand |
36 | 1a894bfe | Christos Stavrakakis | |
37 | 1a894bfe | Christos Stavrakakis | |
38 | b0e7f310 | Christos Stavrakakis | class Command(ListCommand): |
39 | b0e7f310 | Christos Stavrakakis | help = "List Ganeti backends"
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40 | b0e7f310 | Christos Stavrakakis | object_class = Backend |
41 | 1a894bfe | Christos Stavrakakis | |
42 | b0e7f310 | Christos Stavrakakis | def get_vms(backend): |
43 | b0e7f310 | Christos Stavrakakis | return backend.virtual_machines.filter(deleted=False).count() |
44 | 1a894bfe | Christos Stavrakakis | |
45 | b0e7f310 | Christos Stavrakakis | def get_mem(backend): |
46 | b0e7f310 | Christos Stavrakakis | return "%s/%s" % (backend.mfree, backend.mtotal) |
47 | 1a894bfe | Christos Stavrakakis | |
48 | b0e7f310 | Christos Stavrakakis | def get_disk(backend): |
49 | b0e7f310 | Christos Stavrakakis | return "%s/%s" % (backend.dfree, backend.dtotal) |
50 | 1a894bfe | Christos Stavrakakis | |
51 | b0e7f310 | Christos Stavrakakis | def get_ips(backend): |
52 | b0e7f310 | Christos Stavrakakis | free_ips = 0
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53 | b0e7f310 | Christos Stavrakakis | total_ips = 0
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54 | b0e7f310 | Christos Stavrakakis | for bnet in backend.networks.filter(deleted=False, |
55 | 6dafedf6 | Christos Stavrakakis | network__drained=False,
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56 | b0e7f310 | Christos Stavrakakis | network__public=True,
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57 | b0e7f310 | Christos Stavrakakis | network__deleted=False):
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58 | b0e7f310 | Christos Stavrakakis | network = bnet.network |
59 | b0e7f310 | Christos Stavrakakis | try:
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60 | b0e7f310 | Christos Stavrakakis | pool = IPPoolTable.objects.get(id=network.pool_id).pool |
61 | b0e7f310 | Christos Stavrakakis | free_ips += pool.count_available() |
62 | b0e7f310 | Christos Stavrakakis | total_ips += pool.pool_size |
63 | b0e7f310 | Christos Stavrakakis | except IPPoolTable.DoesNotExist:
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64 | b0e7f310 | Christos Stavrakakis | pass
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65 | b0e7f310 | Christos Stavrakakis | return "%s/%s" % (free_ips, total_ips) |
66 | 1a894bfe | Christos Stavrakakis | |
67 | b0e7f310 | Christos Stavrakakis | FIELDS = { |
68 | b0e7f310 | Christos Stavrakakis | "id": ("id", "Backend's unique ID"), |
69 | b0e7f310 | Christos Stavrakakis | "clustername": ("clustername", "The name of the Ganeti cluster"), |
70 | b0e7f310 | Christos Stavrakakis | "port": ("port", ""), |
71 | b0e7f310 | Christos Stavrakakis | "username": ("username", "The RAPI user"), |
72 | b0e7f310 | Christos Stavrakakis | "drained": ("drained", "Whether backend is marked as drained"), |
73 | b0e7f310 | Christos Stavrakakis | "offline": ("offline", "Whether backend if marked as offline"), |
74 | b0e7f310 | Christos Stavrakakis | "vms": (get_vms, "Number of VMs that this backend hosts"), |
75 | b0e7f310 | Christos Stavrakakis | "ips": (get_ips, "free/total number of public IPs"), |
76 | b0e7f310 | Christos Stavrakakis | "mem": (get_mem, "free/total memory (MB)"), |
77 | b0e7f310 | Christos Stavrakakis | "disk": (get_mem, "free/total disk (GB)"), |
78 | 7f79fa49 | Christos Stavrakakis | "hypervisor": ("hypervisor", "The hypervisor the backend is using"), |
79 | b0e7f310 | Christos Stavrakakis | } |
80 | 1a894bfe | Christos Stavrakakis | |
81 | b0e7f310 | Christos Stavrakakis | fields = ["id", "clustername", "port", "username", "drained", "offline", |
82 | 7f79fa49 | Christos Stavrakakis | "vms", "hypervisor", "ips"] |