root / snf-cyclades-app / synnefo / logic / management / commands / network-inspect.py @ 3524241a
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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 django.core.management.base import BaseCommand, CommandError |
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from synnefo.db.models import (Backend, Network, 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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def handle(self, *args, **options): |
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if len(args) != 1: |
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raise CommandError("Please provide a network ID.") |
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try:
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net_id = int(args[0]) |
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except ValueError: |
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raise CommandError("Invalid network ID.") |
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try:
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net = Network.objects.get(id=net_id) |
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except Network.DoesNotExist:
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raise CommandError("Network not found in DB.") |
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sep = '-' * 80 + '\n' |
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labels = ('name', 'backend-name', 'state', 'owner', 'subnet', 'gateway', |
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'max_prefix', 'link', 'public', 'dhcp', 'type', 'deleted', |
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'action', 'pool') |
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fields = (net.name, net.backend_id, net.state, str(net.userid),
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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.type), str(net.deleted), str(net.action), |
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str(splitPoolMap(net.get_pool().to_map(), 64))) |
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self.stdout.write(sep)
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self.stdout.write('State of Network in DB\n') |
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self.stdout.write(sep)
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for l, f in zip(labels, fields): |
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self.stdout.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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self.stdout.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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self.stdout.write(l.ljust(20) + ': ' + f.ljust(20) + '\n') |
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self.stdout.write('\n') |
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self.stdout.write(sep)
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self.stdout.write('State of Network in Ganeti\n') |
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self.stdout.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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self.stdout.write("Backend: %s\n" % backend.clustername) |
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print json.dumps(g_net, indent=2) |
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self.stdout.write(sep)
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except GanetiApiError as e: |
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if e.code == 404: |
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self.stdout.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) |