root / snf-cyclades-app / synnefo / management / common.py @ 225cea18
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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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from django.core.management import CommandError |
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from synnefo.db.models import Backend, VirtualMachine, Network, Flavor |
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from synnefo.api.util import get_image as backend_get_image |
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from synnefo.api.faults import ItemNotFound, BadRequest, OverLimit |
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from synnefo.api.util import validate_network_params |
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from synnefo.settings import (CYCLADES_ASTAKOS_SERVICE_TOKEN as ASTAKOS_TOKEN, |
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ASTAKOS_URL) |
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from synnefo.logic.rapi import GanetiApiError, GanetiRapiClient |
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from synnefo.lib import astakos |
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import logging |
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log = logging.getLogger(__name__) |
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def format_vm_state(vm): |
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if vm.operstate == "BUILD": |
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return "BUILD(" + str(vm.buildpercentage) + "%)" |
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else:
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return vm.operstate
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def validate_network_info(options): |
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subnet = options['subnet']
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gateway = options['gateway']
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subnet6 = options['subnet6']
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gateway6 = options['gateway6']
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try:
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validate_network_params(subnet, gateway) |
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except (BadRequest, OverLimit) as e: |
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raise CommandError(e)
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return subnet, gateway, subnet6, gateway6
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def get_backend(backend_id): |
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try:
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backend_id = int(backend_id)
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return Backend.objects.get(id=backend_id)
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except ValueError: |
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raise CommandError("Invalid Backend ID: %s" % backend_id) |
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except Backend.DoesNotExist:
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raise CommandError("Backend with ID %s not found in DB. " |
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" Use snf-manage backend-list to find"
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" out available backend IDs." % backend_id)
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def get_image(image_id, user_id): |
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if image_id:
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try:
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return backend_get_image(image_id, user_id)
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except ItemNotFound:
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raise CommandError("Image with ID %s not found." |
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" Use snf-manage image-list to find"
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" out available image IDs." % image_id)
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else:
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raise CommandError("image-id is mandatory") |
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def get_vm(server_id): |
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try:
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server_id = int(server_id)
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return VirtualMachine.objects.get(id=server_id)
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except ValueError: |
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raise CommandError("Invalid server ID: %s", server_id) |
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except VirtualMachine.DoesNotExist:
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raise CommandError("Server with ID %s not found in DB." |
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" Use snf-manage server-list to find out"
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" available server IDs." % server_id)
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def get_network(network_id): |
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try:
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network_id = int(network_id)
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return Network.objects.get(id=network_id)
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except ValueError: |
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raise CommandError("Invalid network ID: %s", network_id) |
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except Network.DoesNotExist:
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raise CommandError("Network with ID %s not found in DB." |
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" Use snf-manage network-list to find out"
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" available network IDs." % network_id)
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def get_flavor(flavor_id): |
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try:
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flavor_id = int(flavor_id)
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return Flavor.objects.get(id=flavor_id)
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except ValueError: |
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raise CommandError("Invalid flavor ID: %s", flavor_id) |
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except Flavor.DoesNotExist:
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raise CommandError("Flavor with ID %s not found in DB." |
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" Use snf-manage flavor-list to find out"
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" available flavor IDs." % flavor_id)
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def check_backend_credentials(clustername, port, username, password): |
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try:
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client = GanetiRapiClient(clustername, port, username, password) |
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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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raise CommandError(e)
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info = client.GetInfo() |
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info_name = info['name']
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if info_name != clustername:
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raise CommandError("Invalid clustername value. Please use the" |
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" Ganeti Cluster name: %s" % info_name)
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class UserCache(object): |
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"""uuid<->displayname user 'cache'"""
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user_catalogs_url = ASTAKOS_URL.replace("im/authenticate",
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"service/api/user_catalogs")
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def __init__(self, split=100): |
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self.users = {}
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self.split = split
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assert(self.split > 0), "split must be positive" |
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def fetch_names(self, uuid_list): |
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total = len(uuid_list)
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split = self.split
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for start in range(0, total, split): |
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end = start + split |
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try:
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names = \ |
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astakos.get_displaynames(token=ASTAKOS_TOKEN, |
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url=UserCache.user_catalogs_url, |
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uuids=uuid_list[start:end]) |
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self.users.update(names)
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except Exception as e: |
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log.error("Failed to fetch names: %s", e)
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def get_uuid(self, name): |
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if not name in self.users: |
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try:
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self.users[name] = \
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astakos.get_user_uuid(token=ASTAKOS_TOKEN, |
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url=UserCache.user_catalogs_url, |
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displayname=name) |
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except Exception as e: |
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log.error("Can not get uuid for name %s: %s", name, e)
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self.users[name] = name
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return self.users[name] |
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def get_name(self, uuid): |
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"""Do the uuid-to-email resolving"""
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if not uuid in self.users: |
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try:
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self.users[uuid] = \
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astakos.get_displayname(token=ASTAKOS_TOKEN, |
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url=UserCache.user_catalogs_url, |
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uuid=uuid) |
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except Exception as e: |
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log.error("Can not get display name for uuid %s: %s", uuid, e)
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self.users[uuid] = "-" |
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return self.users[uuid] |
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class Omit(object): |
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pass
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