root / snf-cyclades-app / synnefo / logic / management / commands / backend-list.py @ 12cb6933
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# Copyright 2012-2013 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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from synnefo.db.models import Backend |
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from synnefo.webproject.management.commands import ListCommand |
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from synnefo.api import util |
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class Command(ListCommand): |
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help = "List Ganeti backends"
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object_class = Backend |
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def get_vms(backend): |
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return backend.virtual_machines.filter(deleted=False).count() |
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def get_mem(backend): |
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return "%s/%s" % (backend.mfree, backend.mtotal) |
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def get_disk(backend): |
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return "%s/%s" % (backend.dfree, backend.dtotal) |
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def get_ips(backend): |
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free_ips = 0
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total_ips = 0
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for network in util.backend_public_networks(backend): |
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pool = network.get_pool(with_lock=False)
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free_ips += pool.count_available() |
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total_ips += pool.pool_size |
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return "%s/%s" % (free_ips, total_ips) |
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FIELDS = { |
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"id": ("id", "Backend's unique ID"), |
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"clustername": ("clustername", "The name of the Ganeti cluster"), |
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"port": ("port", ""), |
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"username": ("username", "The RAPI user"), |
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"drained": ("drained", "Whether backend is marked as drained"), |
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"offline": ("offline", "Whether backend if marked as offline"), |
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"vms": (get_vms, "Number of VMs that this backend hosts"), |
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"ips": (get_ips, "free/total number of public IPs"), |
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"mem": (get_mem, "free/total memory (MB)"), |
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"disk": (get_mem, "free/total disk (GB)"), |
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"hypervisor": ("hypervisor", "The hypervisor the backend is using"), |
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} |
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fields = ["id", "clustername", "port", "username", "drained", "offline", |
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"vms", "hypervisor", "ips"] |