Revision b3d28af2 snf-cyclades-app/synnefo/logic/management/commands/backend_create.py
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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 |
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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.backend import get_physical_resources, \ |
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update_resources, \ |
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create_client |
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from synnefo.logic.backend import (get_physical_resources, |
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update_resources, |
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create_client, |
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create_network_synced) |
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from synnefo.util.rapi import GanetiApiError |
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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('--username', dest='username'),
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make_option('--password', dest='password'),
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make_option('--user', dest='username'),
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make_option('--pass', dest='password'),
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make_option('--drained', action='store_true',
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dest='drained',default=False,
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help="Set as drained to exclude from allocations"),
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dest='drained', default=False,
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help="Set as drained to exclude from allocations"), |
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make_option('--no-check', action='store_false',
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dest='check', default=True, |
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help="Do not perform credentials check and resources update") |
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dest='check', default=True, |
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help="Do not perform credentials check and resources update"), |
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make_option('--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, **options): |
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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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port = options['port']
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username = options['user'] |
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password = options['pass'] |
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drained = options['drained'] |
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if not (clustername and username and password): |
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raise CommandError("Clustername, username and password must be supplied")
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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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self.stdout.write('Checking connectivity and credentials.\n')
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try: |
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client = create_client(clustername, port, username, password) |
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# This command will raise an exception if there is no write-access |
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# This command will raise an exception if there is no |
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# write-access |
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client.ModifyCluster() |
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except GanetiApiError as e: |
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self.stdout.write('Check failed:\n%s\n' %e)
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self.stdout.write('Check failed:\n%s\n' % e)
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return |
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else: |
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self.stdout.write('Check passed.\n')
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password=password, |
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drained=drained) |
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except IntegrityError as e: |
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self.stdout.write("Cannot create backend: %s\n" % e)
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else: |
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if options['check']: |
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self.stdout.write('\nRetriving backend resources:\n')
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resources = get_physical_resources(backend) |
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attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
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for a in attr: |
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self.stdout.write(a + ' : ' + str(resources[a])+'\n') |
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update_resources(backend, resources) |
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self.stdout.write('\nSuccessfully created backend with id %d\n' %
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backend.id) |
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raise CommandError("Cannot create backend: %s\n" % e)
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self.stdout.write('\nSuccessfully created backend with id %d\n' %
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backend.id) |
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if not options['check']: |
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return |
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self.stdout.write('\rRetrieving backend resources:\n')
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resources = get_physical_resources(backend) |
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attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
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self.stdout.write('----------------------------\n')
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for a in attr: |
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self.stdout.write(a.ljust(12) + ' : ' + str(resources[a]) + '\n') |
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update_resources(backend, resources) |
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if not options['init']: |
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return |
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networks = Network.objects.filter(deleted=False) |
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self.stdout.write('\nCreating the follow networks:\n')
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fields = ('Name', 'Subnet', 'Gateway', 'Mac Prefix', 'Public')
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columns = (20, 16, 16, 16, 10) |
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line = ' '.join(f.ljust(c) for f, c in zip(fields, columns)) |
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sep = '-' * len(line) |
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self.stdout.write(sep + '\n') |
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self.stdout.write(line + '\n') |
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self.stdout.write(sep + '\n') |
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for net in networks: |
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fields = (net.backend_id, str(net.subnet), str(net.gateway), |
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str(net.mac_prefix), str(net.public)) |
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line = ' '.join(f.ljust(c) for f, c in zip(fields, columns)) |
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self.stdout.write(line + '\n') |
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self.stdout.write(sep + '\n\n') |
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for net in networks: |
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result = create_network_synced(net, backend) |
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if result[0] != "success": |
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self.stdout.write('\nError Creating Network %s: %s\n' %\
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(net.backend_id, result[1]) |
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