root / snf-cyclades-app / synnefo / logic / management / commands / backend-add.py @ 1da50fe3
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# Copyright 2011-2013 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and documentation are
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# those of the authors and should not be interpreted as representing official
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# policies, either expressed or implied, of GRNET S.A.
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#
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import sys |
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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.db.models import Backend, Network |
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from django.db.utils import IntegrityError |
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from synnefo.logic import backend as backend_mod |
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from synnefo.management.common import check_backend_credentials |
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from snf_django.management.utils import pprint_table |
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HYPERVISORS = [h[0] for h in Backend.HYPERVISORS] |
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class Command(BaseCommand): |
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can_import_settings = True
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help = 'Create a new backend.'
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option_list = BaseCommand.option_list + ( |
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make_option('--clustername', dest='clustername'), |
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make_option('--port', dest='port', default=5080), |
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make_option('--user', dest='username'), |
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make_option('--pass', dest='password'), |
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make_option( |
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'--no-check',
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action='store_false',
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dest='check',
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default=True,
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help="Do not perform credentials check and resources update"),
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make_option( |
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'--hypervisor',
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dest='hypervisor',
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default=None,
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choices=HYPERVISORS, |
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metavar="|".join(HYPERVISORS),
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help="The hypervisor that the Ganeti backend uses"),
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make_option( |
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'--no-init', action='store_false', |
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dest='init', default=True, |
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help="Do not perform initialization of the Backend Model")
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) |
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def handle(self, *args, **options): |
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if len(args) > 0: |
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raise CommandError("Command takes no arguments") |
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clustername = options['clustername']
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port = options['port']
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username = options['username']
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password = options['password']
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if not (clustername and username and password): |
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raise CommandError("Clustername, user and pass must be supplied") |
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# Ensure correctness of credentials
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if options['check']: |
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check_backend_credentials(clustername, port, username, password) |
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create_backend(clustername, port, username, password, |
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hypervisor=options["hypervisor"],
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initialize=options["init"])
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def create_backend(clustername, port, username, password, hypervisor=None, |
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initialize=True, stream=sys.stdout):
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kw = {"clustername": clustername,
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"port": port,
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"username": username,
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"password": password,
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"drained": True} |
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if hypervisor:
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kw["hypervisor"] = hypervisor
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# Create the new backend in database
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try:
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backend = Backend.objects.create(**kw) |
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except IntegrityError as e: |
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raise CommandError("Cannot create backend: %s\n" % e) |
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stream.write("Successfully created backend with id %d\n" % backend.id)
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if not initialize: |
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return
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stream.write("Retrieving backend resources:\n")
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resources = backend_mod.get_physical_resources(backend) |
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attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
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table = [[str(resources[x]) for x in attr]] |
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pprint_table(stream, table, attr) |
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backend_mod.update_backend_resources(backend, resources) |
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backend_mod.update_backend_disk_templates(backend) |
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networks = Network.objects.filter(deleted=False, floating_ip_pool=True) |
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if not networks: |
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return
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stream.write("Creating the follow networks:\n")
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headers = ('Name', 'Subnet', 'Gateway', 'Mac Prefix', 'Public') |
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table = [] |
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for net in networks: |
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table.append((net.backend_id, str(net.subnet), str(net.gateway), |
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str(net.mac_prefix), str(net.public))) |
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pprint_table(stream, table, headers) |
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for net in networks: |
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net.create_backend_network(backend) |
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result = backend_mod.create_network_synced(net, backend) |
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if result[0] != "success": |
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stream.write('\nError Creating Network %s: %s\n' %
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(net.backend_id, result[1]))
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else:
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stream.write('Successfully created Network: %s\n' %
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net.backend_id) |
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result = backend_mod.connect_network_synced(network=net, |
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backend=backend) |
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if result[0] != "success": |
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stream.write('\nError Connecting Network %s: %s\n' %
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(net.backend_id, result[1]))
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else:
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stream.write('Successfully connected Network: %s\n' %
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net.backend_id) |