root / snf-cyclades-app / synnefo / logic / management / commands / network-inspect.py @ 8283d6c1
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# Copyright 2012 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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import json |
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from optparse import make_option |
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from django.core.management.base import BaseCommand, CommandError |
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from synnefo.management.common import get_network, UserCache, Omit |
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from synnefo.db.models import (Backend, BackendNetwork, |
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pooled_rapi_client) |
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from synnefo.logic.rapi import GanetiApiError |
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from util import pool_map_chunks |
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class Command(BaseCommand): |
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help = "Inspect a network on DB and Ganeti."
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option_list = BaseCommand.option_list + ( |
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make_option('--displayname',
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action='store_true',
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dest='displayname',
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default=False,
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help="Display both uuid and display name"),
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) |
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def handle(self, *args, **options): |
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write = self.stdout.write
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if len(args) != 1: |
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raise CommandError("Please provide a network ID.") |
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net = get_network(args[0])
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ucache = UserCache() |
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displayname = options['displayname']
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sep = '-' * 80 + '\n' |
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labels = filter(lambda x: x is not Omit, |
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['name', 'backend-name', 'state', 'owner uuid', |
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'owner_name' if displayname else Omit, 'subnet', |
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'gateway', 'mac_prefix', 'link', 'public', 'dhcp', |
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'flavor', 'deleted', 'action', 'pool']) |
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uuid = net.userid |
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if displayname:
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dname = ucache.get_name(uuid) |
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fields = filter(lambda x: x is not Omit, |
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[net.name, net.backend_id, net.state, uuid or '-', |
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dname or '-' if displayname else Omit, |
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str(net.subnet), str(net.gateway), str(net.mac_prefix), |
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str(net.link), str(net.public), str(net.dhcp), |
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str(net.flavor), str(net.deleted), str(net.action), |
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str(splitPoolMap(net.get_pool().to_map(), 64))]) |
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write(sep) |
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write('State of Network in DB\n')
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write(sep) |
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for l, f in zip(labels, fields): |
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write(l.ljust(20) + ': ' + f.ljust(20) + '\n') |
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labels = ('Backend', 'State', 'Deleted', 'JobID', 'OpCode', |
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'JobStatus')
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for back_net in BackendNetwork.objects.filter(network=net): |
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write('\n')
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fields = (back_net.backend.clustername, back_net.operstate, |
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str(back_net.deleted), str(back_net.backendjobid), |
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str(back_net.backendopcode),
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str(back_net.backendjobstatus))
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for l, f in zip(labels, fields): |
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write(l.ljust(20) + ': ' + f.ljust(20) + '\n') |
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write('\n')
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write(sep) |
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write('State of Network in Ganeti\n')
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write(sep) |
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for backend in Backend.objects.exclude(offline=True): |
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with pooled_rapi_client(backend) as client: |
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try:
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g_net = client.GetNetwork(net.backend_id) |
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write("Backend: %s\n" % backend.clustername)
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print json.dumps(g_net, indent=2) |
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write(sep) |
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except GanetiApiError as e: |
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if e.code == 404: |
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write('Network does not exist in backend %s\n' %
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backend.clustername) |
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else:
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raise e
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def splitPoolMap(s, count): |
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chunks = pool_map_chunks(s, count) |
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acc = [] |
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count = 0
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for chunk in chunks: |
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chunk_len = len(chunk)
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acc.append(str(count).rjust(3) + ' ' + chunk + ' ' + |
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str(count + chunk_len - 1).ljust(4)) |
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count += chunk_len |
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return '\n' + '\n'.join(acc) |