root / api / handlers.py @ e646ebe5
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# vim: ts=4 sts=4 et ai sw=4 fileencoding=utf-8
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#
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# Copyright © 2010 Greek Research and Technology Network
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from django.utils import simplejson as json |
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from django.http import HttpResponse |
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from piston.handler import BaseHandler, AnonymousBaseHandler |
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from synnefo.api.faults import fault, noContent, accepted, created, notModified |
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from synnefo.api.helpers import instance_to_server, paginator |
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from synnefo.util.rapi import GanetiRapiClient, GanetiApiError |
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from synnefo.util.rapi import CertificateError |
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from synnefo.db.models import * |
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import random |
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import string |
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import logging |
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from datetime import datetime, timedelta |
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log = logging.getLogger('synnefo.api.handlers')
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try:
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rapi = GanetiRapiClient(*settings.GANETI_CLUSTER_INFO) |
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rapi.GetVersion() |
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except Exception, e: |
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log.exception('Unexpected error: %s' % e)
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raise fault.serviceUnavailable
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#If we can't connect to the rapi successfully, don't do anything
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backend_prefix_id = settings.BACKEND_PREFIX_ID |
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VERSIONS = [ |
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{ |
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"status": "CURRENT", |
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"id": "v1.0", |
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"docURL":
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"http://docs.rackspacecloud.com/servers/api/v1.0/cs-devguide-20110112.pdf",
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"wadl":
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"http://docs.rackspacecloud.com/servers/api/v1.0/application.wadl"
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}, |
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{ |
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"status": "CURRENT", |
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"id": "v1.1", |
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"docURL":
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"http://docs.openstack.org/openstack-compute/developer/content/",
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"wadl": "None yet" |
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}, |
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{ |
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"status": "CURRENT", |
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"id": "v1.0grnet1", |
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"docURL": "None yet", |
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"wad1": "None yet" |
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} |
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] |
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#read is called on GET requests
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#create is called on POST, and creates new objects
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#update is called on PUT, and should update an existing product
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#delete is called on DELETE, and should delete an existing object
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class VersionHandler(AnonymousBaseHandler): |
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allowed_methods = ('GET',)
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def read(self, request, number=None): |
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try:
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if number is None: |
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versions = map(lambda v: { |
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"status": v["status"], |
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"id": v["id"], |
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}, VERSIONS) |
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return {"versions": versions} |
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else:
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for version in VERSIONS: |
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if version["id"] == number: |
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return {"version": version} |
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raise fault.itemNotFound
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except Exception, e: |
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log.exception('Unexpected error: %s' % e)
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raise fault.serviceUnavailable
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class ServerHandler(BaseHandler): |
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"""Handler responsible for the Servers
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handles the listing of Virtual Machines, Creates and Destroys VM's
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@HTTP methods: POST, DELETE, PUT, GET
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@Parameters: POST data with the create data (cpu, ram, etc)
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@Responses: HTTP 200 if successfully call rapi, 304 if not modified,
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itemNotFound or serviceUnavailable otherwise
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"""
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allowed_methods = ('GET', 'POST', 'PUT', 'DELETE') |
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def read(self, request, id=None): |
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from time import sleep |
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sleep(0.5)
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#TODO: delete the sleep once the mock objects are removed
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if id is None: |
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return self.read_all(request) |
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elif id == "detail": |
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return self.read_all(request, detail=True) |
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else:
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return self.read_one(request, id) |
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def read_one(self, request, id): |
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try:
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server = VirtualMachine.objects.get(id=id)
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server = {'status': server.rsapi_state,
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'flavorRef': server.flavor.id,
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'name': server.name,
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'id': server.id,
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'imageRef': server.sourceimage.id,
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'created': server.created,
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'updated': server.updated,
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'hostId': server.hostid,
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'progress': server.rsapi_state == 'ACTIVE' and 100 or 0, |
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#'metadata': {'Server_Label': server.description },
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'metadata': [{'meta': { |
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'key': {
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metadata.meta_key: metadata.meta_value |
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} |
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} |
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} |
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for metadata in |
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server.virtualmachinemetadata_set.all()], |
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'addresses': {'public': { |
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'ip': {'addr': server.ipfour}, |
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'ip6': {'addr': server.ipsix}}, |
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'private': ''}, |
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} |
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return {"server": server} |
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except VirtualMachine.DoesNotExist:
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raise fault.itemNotFound
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except VirtualMachine.MultipleObjectsReturned:
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raise fault.serviceUnavailable
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except Exception, e: |
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log.exception('Unexpected error: %s' % e)
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raise fault.serviceUnavailable
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@paginator
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def read_all(self, request, detail=False): |
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#changes_since should be on ISO 8601 format
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try:
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changes_since = request.GET.get("changes-since", 0) |
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if changes_since:
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last_update = datetime.strptime(changes_since, |
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"%Y-%m-%dT%H:%M:%S")
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#return a badRequest if the changes_since is older than a limit
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if (datetime.now() - last_update >
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timedelta(seconds=settings.POLL_LIMIT)): |
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raise fault.badRequest
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virtual_servers = VirtualMachine.objects.filter( |
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updated__gt=last_update) |
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if not len(virtual_servers): |
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return notModified
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else:
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virtual_servers = VirtualMachine.objects.filter(deleted=False)
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# get all VM's for now, FIX it to take the user's VMs only yet.
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# also don't get deleted VM's
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except Exception, e: |
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raise fault.badRequest
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try:
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if not detail: |
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return {"servers": [{ |
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"id": s.id, "name": s.name} for s in virtual_servers]} |
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else:
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virtual_servers_list = [ |
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{'status': server.rsapi_state,
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'flavorRef': server.flavor.id,
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'name': server.name,
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'id': server.id,
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'created': server.created,
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'updated': server.updated,
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'imageRef': server.sourceimage.id,
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'hostId': server.hostid,
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'progress': (server.rsapi_state == 'ACTIVE' and 100 or 0), |
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#'metadata': {'Server_Label': server.description },
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'metadata':[
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{'meta':
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{'key': {metadata.meta_key: metadata.meta_value}}}
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for metadata in |
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server.virtualmachinemetadata_set.all() |
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], |
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'addresses': {
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'public': {
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'ip': {'addr': server.ipfour}, |
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'ip6': {'addr': server.ipsix} |
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}, |
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'private': ''}, |
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} for server in virtual_servers] |
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#pass fake data regarding ip, since we don't have it yet
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return {"servers": virtual_servers_list} |
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except Exception, e: |
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log.exception('Unexpected error: %s' % e)
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raise fault.serviceUnavailable
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def create(self, request): |
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""" Parse RackSpace API create request to generate rapi create request
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TODO: auto generate and set password
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"""
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# Check if we have all the necessary data in the JSON request
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try:
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server = json.loads(request.raw_post_data)['server']
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name = server['name']
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flavorRef = server['flavorRef']
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flavor = Flavor.objects.get(id=flavorRef) |
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imageRef = server['imageRef']
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image = Image.objects.get(id=imageRef) |
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metadata = server['metadata']
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personality = server.get('personality', None) |
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except (Flavor.DoesNotExist, Image.DoesNotExist):
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raise fault.itemNotFound
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except (Flavor.MultipleObjectsReturned, Image.MultipleObjectsReturned):
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raise fault.serviceUnavailable
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except Exception as e: |
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log.exception('Malformed create request: %s - %s' %
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(e, request.raw_post_data)) |
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raise fault.badRequest
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# TODO: Proper Authn, Authz
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# Everything belongs to a single SynnefoUser for now.
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try:
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owner = SynnefoUser.objects.all()[0]
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except Exception as e: |
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log.exception('Cannot find a single SynnefoUser in the DB: %s' %
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(e)) |
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raise fault.unauthorized
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# add the new VM to the local db
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try:
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vm = VirtualMachine.objects.create(sourceimage=image, |
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ipfour='0.0.0.0',
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ipsix='::1',
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flavor=flavor, |
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owner=owner) |
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except Exception as e: |
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log.exception("Can't save vm: %s" % e)
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raise fault.serviceUnavailable
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try:
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vm.name = name |
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#vm.description = descr
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vm.save() |
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jobId = rapi.CreateInstance( |
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'create',
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(request.META['SERVER_NAME'] == 'testserver' and |
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'test-server' or vm.backend_id), |
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'plain',
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# disk field of Flavor object is in GB,
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# value specified here is in MB
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# FIXME: Always ask for a 2GB disk,
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# current LVM physical groups are too small:
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# [{"size": flavor.disk * 1000}],
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[{"size": 2000}], |
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[{}], |
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#TODO: select OS from imageRef
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os='debootstrap+default',
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ip_check=False,
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name_check=False,
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#TODO: verify if this is necessary
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pnode=rapi.GetNodes()[0],
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# Dry run when called by unit tests
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dry_run=request.META['SERVER_NAME'] == 'testserver', |
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beparams={ |
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'auto_balance': True, |
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'vcpus': flavor.cpu,
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'memory': flavor.ram,
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}, |
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) |
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log.info('created vm with %s cpus, %s ram and %s storage' %
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(flavor.cpu, flavor.ram, flavor.disk)) |
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except (GanetiApiError, CertificateError) as e: |
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log.exception('CreateInstance failed: %s' % e)
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vm.deleted = True
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vm.save() |
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raise fault.serviceUnavailable
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except Exception as e: |
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log.exception('Unexpected error: %s' % e)
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vm.deleted = True
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vm.save() |
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raise fault.serviceUnavailable
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ret = {'server': {
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'id': vm.id,
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'name': vm.name,
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"imageRef": imageRef,
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"flavorRef": flavorRef,
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"hostId": vm.hostid,
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"progress": 0, |
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"status": 'BUILD', |
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"adminPass": self.random_password(), |
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"metadata": {"My Server Name": vm.name}, |
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"addresses": {
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"public": [],
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"private": [],
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}, |
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}, |
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} |
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return HttpResponse(json.dumps(ret),
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mimetype="application/json", status=202) |
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def random_password(self): |
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"return random password"
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number_of_chars = 8
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possible_chars = string.ascii_uppercase + string.ascii_lowercase + \ |
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string.digits |
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return ''.join(random.choice(possible_chars) \ |
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for x in range(number_of_chars)) |
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def update(self, request, id): |
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"""Sets and updates Virtual Machine Metadata.
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"""
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try:
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metadata_request = json.loads(request.raw_post_data)['metadata']
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metadata_key = metadata_request.get('metadata_key')
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metadata_value = metadata_request.get('metadata_value')
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vm = VirtualMachine.objects.get(id=id)
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#we only update virtual machine's name atm
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if metadata_key == 'name': |
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vm.name = metadata_value |
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vm.save() |
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return accepted
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except VirtualMachine.DoesNotExist:
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raise fault.itemNotFound
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except VirtualMachine.MultipleObjectsReturned:
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raise fault.serviceUnavailable
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except Exception, e: |
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log.exception('Unexpected error: %s' % e)
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raise fault.serviceUnavailable
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raise fault.itemNotFound
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def delete(self, request, id): |
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try:
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vm = VirtualMachine.objects.get(id=id)
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#TODO: set the status to DESTROYED
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vm.start_action('DESTROY')
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rapi.DeleteInstance(vm.backend_id) |
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return accepted
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except VirtualMachine.DoesNotExist:
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raise fault.itemNotFound
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except VirtualMachine.MultipleObjectsReturned:
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raise fault.serviceUnavailable
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except GanetiApiError, CertificateError:
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raise fault.serviceUnavailable
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except Exception, e: |
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log.exception('Unexpected error: %s' % e)
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raise fault.serviceUnavailable
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|
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|
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class ServerAddressHandler(BaseHandler): |
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"""Handler responsible for Server Addresses
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handles Reboot, Shutdown and Start actions.
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@HTTP methods: GET
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@Parameters: Id of server and networkID (eg public, private)
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@Responses: HTTP 200 if successfully call rapi, itemNotFound,
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serviceUnavailable otherwise
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"""
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allowed_methods = ('GET',)
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|
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def read(self, request, id, networkID=None): |
368 |
"""List IP addresses for a server"""
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369 |
|
370 |
try:
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371 |
server = VirtualMachine.objects.get(id=id)
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address = {'public': {'ip': {'addr': server.ipfour}, \ |
373 |
'ip6': {'addr': server.ipsix}}, 'private': ''} |
374 |
except VirtualMachine.DoesNotExist:
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raise fault.itemNotFound
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except VirtualMachine.MultipleObjectsReturned:
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raise fault.serviceUnavailable
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378 |
except Exception, e: |
379 |
log.exception('Unexpected error: %s' % e)
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380 |
raise fault.serviceUnavailable
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381 |
|
382 |
if networkID == "public": |
383 |
address = {'public': {'ip': {'addr': server.ipfour}, \ |
384 |
'ip6': {'addr': server.ipsix}}} |
385 |
elif networkID == "private": |
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address = {'private': ''} |
387 |
elif networkID != None: |
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raise fault.badRequest
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return {"addresses": address} |
390 |
|
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|
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class ServerActionHandler(BaseHandler): |
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"""Handler responsible for Server Actions
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394 |
|
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handles Reboot, Shutdown and Start actions.
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396 |
|
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@HTTP methods: POST, DELETE, PUT
|
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@Parameters: POST data with the action (reboot, shutdown, start)
|
399 |
@Responses: HTTP 202 if successfully call rapi, itemNotFound,
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serviceUnavailable otherwise
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|
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"""
|
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|
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allowed_methods = ('POST', 'DELETE', 'PUT') |
405 |
|
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def create(self, request, id): |
407 |
"""Reboot, Shutdown, Start virtual machine"""
|
408 |
|
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try:
|
410 |
requested_action = json.loads(request.raw_post_data) |
411 |
reboot_request = requested_action.get('reboot', None) |
412 |
shutdown_request = requested_action.get('shutdown', None) |
413 |
start_request = requested_action.get('start', None) |
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#action not implemented
|
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action = reboot_request and 'REBOOT' or shutdown_request \ |
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and 'STOP' or start_request and 'START' |
417 |
|
418 |
if not action: |
419 |
raise fault.notImplemented
|
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#test if we can get the vm
|
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vm = VirtualMachine.objects.get(id=id)
|
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vm.start_action(action) |
423 |
|
424 |
if reboot_request:
|
425 |
rapi.RebootInstance(vm.backend_id) |
426 |
elif shutdown_request:
|
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rapi.ShutdownInstance(vm.backend_id) |
428 |
elif start_request:
|
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rapi.StartupInstance(vm.backend_id) |
430 |
return accepted
|
431 |
except VirtualMachine.DoesNotExist:
|
432 |
raise fault.itemNotFound
|
433 |
except VirtualMachine.MultipleObjectsReturned:
|
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raise fault.serviceUnavailable
|
435 |
except GanetiApiError, CertificateError:
|
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raise fault.serviceUnavailable
|
437 |
except Exception, e: |
438 |
log.exception('Unexpected error: %s' % e)
|
439 |
raise fault.serviceUnavailable
|
440 |
|
441 |
def delete(self, request, id): |
442 |
"""Delete an Instance"""
|
443 |
return accepted
|
444 |
|
445 |
def update(self, request, id): |
446 |
raise fault.itemNotFound
|
447 |
|
448 |
|
449 |
class ServerBackupHandler(BaseHandler): |
450 |
""" Backup Schedules are not implemented yet, return notImplemented """
|
451 |
allowed_methods = ('GET', 'POST', 'DELETE') |
452 |
|
453 |
def read(self, request, id): |
454 |
raise fault.notImplemented
|
455 |
|
456 |
def create(self, request, id): |
457 |
raise fault.notImplemented
|
458 |
|
459 |
def delete(self, request, id): |
460 |
raise fault.notImplemented
|
461 |
|
462 |
|
463 |
class ServerMetadataHandler(BaseHandler): |
464 |
"""Handles Metadata of a specific Server
|
465 |
|
466 |
the handler Lists, Creates, Updates and Deletes Metadata values
|
467 |
|
468 |
@HTTP methods: POST, DELETE, PUT, GET
|
469 |
@Parameters: POST data with key value pairs
|
470 |
|
471 |
"""
|
472 |
allowed_methods = ('GET', 'POST', 'PUT', 'DELETE') |
473 |
|
474 |
def read(self, request, id, key=None): |
475 |
"""List metadata of the specific server"""
|
476 |
if key is None: |
477 |
return self.read_allkeys(request, id) |
478 |
else:
|
479 |
return self.read_onekey(request, id, key) |
480 |
|
481 |
def read_allkeys(self, request, id): |
482 |
"""Returns all the key value pairs of the specified server"""
|
483 |
try:
|
484 |
server = VirtualMachine.objects.get(pk=id)
|
485 |
return {
|
486 |
"metadata": {
|
487 |
"values": [
|
488 |
{m.meta_key: m.meta_value} \ |
489 |
for m in server.virtualmachinemetadata_set.all() |
490 |
] |
491 |
} |
492 |
} |
493 |
except VirtualMachine.DoesNotExist:
|
494 |
raise fault.itemNotFound
|
495 |
except VirtualMachine.MultipleObjectsReturned:
|
496 |
raise fault.serviceUnavailable
|
497 |
except Exception, e: |
498 |
log.exception('Unexpected error: %s' % e)
|
499 |
raise fault.serviceUnavailable
|
500 |
|
501 |
def read_onekey(self, request, id, key): |
502 |
"""Returns the specified metadata key of the specified server"""
|
503 |
try:
|
504 |
server = VirtualMachine.objects.get(pk=id)
|
505 |
return {
|
506 |
"metadata": {
|
507 |
"values": [
|
508 |
{m.meta_key: m.meta_value} for m in |
509 |
server.virtualmachinemetadata_set.filter(meta_key=key) |
510 |
] |
511 |
} |
512 |
} |
513 |
except VirtualMachineMetadata.DoesNotExist:
|
514 |
raise fault.itemNotFound
|
515 |
except VirtualMachine.DoesNotExist:
|
516 |
raise fault.itemNotFound
|
517 |
except VirtualMachine.MultipleObjectsReturned:
|
518 |
raise fault.serviceUnavailable
|
519 |
except Exception, e: |
520 |
log.exception('Unexpected error: %s' % e)
|
521 |
raise fault.serviceUnavailable
|
522 |
|
523 |
def create(self, request, id, key=None): |
524 |
"""Create or Update all metadata for the specified VM"""
|
525 |
if key is not None: |
526 |
log.exception('The POST request should not pass a key in the URL')
|
527 |
raise fault.badRequest
|
528 |
try:
|
529 |
metadata = json.loads(request.raw_post_data)['metadata']
|
530 |
except Exception as e: |
531 |
log.exception('Malformed create request: %s - %s' \
|
532 |
% (e, request.raw_post_data)) |
533 |
raise fault.badRequest
|
534 |
|
535 |
try:
|
536 |
vm = VirtualMachine.objects.get(pk=id)
|
537 |
for x in metadata.keys(): |
538 |
vm_meta, created = (vm.virtualmachinemetadata_set. |
539 |
get_or_create(meta_key=x)) |
540 |
vm_meta.meta_value = metadata[x] |
541 |
vm_meta.save() |
542 |
return {
|
543 |
"metadata": [{
|
544 |
"meta": {
|
545 |
"key": {m.meta_key: m.meta_value}}} \
|
546 |
for m in vm.virtualmachinemetadata_set.all()] |
547 |
} |
548 |
except VirtualMachine.DoesNotExist:
|
549 |
raise fault.itemNotFound
|
550 |
except VirtualMachine.MultipleObjectsReturned:
|
551 |
raise fault.serviceUnavailable
|
552 |
except VirtualMachineMetadata.DoesNotExist:
|
553 |
raise fault.itemNotFound
|
554 |
except VirtualMachineMetadata.MultipleObjectsReturned:
|
555 |
raise fault.serviceUnavailable
|
556 |
except Exception, e: |
557 |
log.exception('Unexpected error: %s' % e)
|
558 |
raise fault.serviceUnavailable
|
559 |
|
560 |
def update(self, request, id, key=None): |
561 |
"""Update or Create the specified metadata key for the specified VM"""
|
562 |
if key is None: |
563 |
log.exception('No metadata key specified in URL')
|
564 |
raise fault.badRequest
|
565 |
try:
|
566 |
metadata = json.loads(request.raw_post_data)['meta']
|
567 |
metadata_value = metadata[key] |
568 |
except Exception as e: |
569 |
log.exception('Malformed create request: %s - %s' \
|
570 |
% (e, request.raw_post_data)) |
571 |
raise fault.badRequest
|
572 |
|
573 |
try:
|
574 |
server = VirtualMachine.objects.get(pk=id)
|
575 |
vm_meta, created = (server.virtualmachinemetadata_set. |
576 |
get_or_create(meta_key=key)) |
577 |
vm_meta.meta_value = metadata_value |
578 |
vm_meta.save() |
579 |
return {"meta": {vm_meta.meta_key: vm_meta.meta_value}} |
580 |
|
581 |
except VirtualMachine.DoesNotExist:
|
582 |
raise fault.itemNotFound
|
583 |
except VirtualMachine.MultipleObjectsReturned:
|
584 |
raise fault.serviceUnavailable
|
585 |
except VirtualMachineMetadata.DoesNotExist:
|
586 |
raise fault.itemNotFound
|
587 |
except VirtualMachineMetadata.MultipleObjectsReturned:
|
588 |
raise fault.serviceUnavailable
|
589 |
except Exception, e: |
590 |
log.exception('Unexpected error: %s' % e)
|
591 |
raise fault.serviceUnavailable
|
592 |
|
593 |
def delete(self, request, id, key=None): |
594 |
"""Delete the specified metadata key"""
|
595 |
if key is None: |
596 |
log.exception('No metadata key specified in URL')
|
597 |
raise fault.badRequest
|
598 |
try:
|
599 |
server = VirtualMachine.objects.get(pk=id)
|
600 |
server.virtualmachinemetadata_set.get(meta_key=key).delete() |
601 |
except VirtualMachineMetadata.DoesNotExist:
|
602 |
raise fault.itemNotFound
|
603 |
except VirtualMachine.DoesNotExist:
|
604 |
raise fault.itemNotFound
|
605 |
except VirtualMachineMetadata.MultipleObjectsReturned:
|
606 |
raise fault.serviceUnavailable
|
607 |
except VirtualMachine.MultipleObjectsReturned:
|
608 |
raise fault.serviceUnavailable
|
609 |
except Exception, e: |
610 |
log.exception('Unexpected error: %s' % e)
|
611 |
raise fault.serviceUnavailable
|
612 |
|
613 |
|
614 |
class FlavorHandler(BaseHandler): |
615 |
"""Handler responsible for Flavors
|
616 |
|
617 |
"""
|
618 |
allowed_methods = ('GET',)
|
619 |
|
620 |
def read(self, request, id=None): |
621 |
"""
|
622 |
List flavors or retrieve one
|
623 |
|
624 |
Returns: OK
|
625 |
Faults: cloudServersFault, serviceUnavailable, unauthorized,
|
626 |
badRequest, itemNotFound
|
627 |
"""
|
628 |
try:
|
629 |
flavors = Flavor.objects.all() |
630 |
flavors = [{'id': flavor.id,
|
631 |
'name': flavor.name,
|
632 |
'ram': flavor.ram,
|
633 |
'disk': flavor.disk,
|
634 |
'cpu': flavor.cpu}
|
635 |
for flavor in flavors] |
636 |
|
637 |
if id is None: |
638 |
simple = map(lambda v: { |
639 |
"id": v['id'], |
640 |
"name": v['name'], |
641 |
}, flavors) |
642 |
return {"flavors": simple} |
643 |
elif id == "detail": |
644 |
return {"flavors": flavors} |
645 |
else:
|
646 |
flavor = Flavor.objects.get(id=id)
|
647 |
return {"flavor": { |
648 |
'id': flavor.id,
|
649 |
'name': flavor.name,
|
650 |
'ram': flavor.ram,
|
651 |
'disk': flavor.disk,
|
652 |
'cpu': flavor.cpu,
|
653 |
}} |
654 |
|
655 |
except Flavor.DoesNotExist:
|
656 |
raise fault.itemNotFound
|
657 |
except Flavor.MultipleObjectsReturned:
|
658 |
raise fault.serviceUnavailable
|
659 |
except Exception, e: |
660 |
log.exception('Unexpected error: %s' % e)
|
661 |
raise fault.serviceUnavailable
|
662 |
|
663 |
|
664 |
class ImageHandler(BaseHandler): |
665 |
"""Handler responsible for Images
|
666 |
|
667 |
handles the listing, creation and delete of Images.
|
668 |
|
669 |
@HTTP methods: GET, POST
|
670 |
@Parameters: POST data
|
671 |
@Responses: HTTP 202 if successfully create Image or get the Images list,
|
672 |
itemNotFound, serviceUnavailable otherwise
|
673 |
|
674 |
"""
|
675 |
|
676 |
allowed_methods = ('GET', 'POST') |
677 |
|
678 |
def read(self, request, id=None): |
679 |
"""
|
680 |
List images or retrieve one
|
681 |
|
682 |
Returns: OK
|
683 |
Faults: cloudServersFault, serviceUnavailable, unauthorized,
|
684 |
badRequest, itemNotFound
|
685 |
"""
|
686 |
|
687 |
#changes_since should be on ISO 8601 format
|
688 |
try:
|
689 |
changes_since = request.GET.get("changes-since", 0) |
690 |
if changes_since:
|
691 |
last_update = datetime.strptime(changes_since, |
692 |
"%Y-%m-%dT%H:%M:%S")
|
693 |
#return a badRequest if the changes_since is older than a limit
|
694 |
if datetime.now() - last_update > timedelta(
|
695 |
seconds=settings.POLL_LIMIT): |
696 |
raise fault.badRequest
|
697 |
images = Image.objects.filter(updated__gt=last_update) |
698 |
if not len(images): |
699 |
return notModified
|
700 |
else:
|
701 |
images = Image.objects.all() |
702 |
except Exception, e: |
703 |
raise fault.badRequest
|
704 |
try:
|
705 |
images_list = [{'created': image.created.isoformat(),
|
706 |
'id': image.id,
|
707 |
'name': image.name,
|
708 |
'updated': image.updated.isoformat(),
|
709 |
'status': image.state,
|
710 |
'progress': image.state == 'ACTIVE' and 100 or 0, |
711 |
'size': image.size,
|
712 |
'serverId': image.sourcevm and image.sourcevm.id or "", |
713 |
#'metadata':[{'meta':
|
714 |
#{ 'key': {metadata.meta_key: metadata.meta_value}}}
|
715 |
#for metadata in image.imagemetadata_set.all()]
|
716 |
'metadata':{'meta': |
717 |
{'key': {'description': image.description}}}, |
718 |
} for image in images] |
719 |
# Images info is stored in the DB. Ganeti is not aware of this
|
720 |
if id == "detail": |
721 |
return {"images": images_list} |
722 |
elif id is None: |
723 |
return {"images": [{"id": s['id'], "name": s['name']} \ |
724 |
for s in images_list]} |
725 |
else:
|
726 |
image = images.get(id=id)
|
727 |
return {"image": {'created': image.created.isoformat(), |
728 |
'id': image.id,
|
729 |
'name': image.name,
|
730 |
'updated': image.updated.isoformat(),
|
731 |
'description': image.description,
|
732 |
'status': image.state,
|
733 |
'progress': image.state == 'ACTIVE' and 100 or 0, |
734 |
'size': image.size,
|
735 |
'serverId': image.sourcevm and image.sourcevm.id or "", |
736 |
#'metadata':[{'meta': { 'key':
|
737 |
#{metadata.meta_key: metadata.meta_value}}}
|
738 |
#for metadata in image.imagemetadata_set.all()]
|
739 |
'metadata': {
|
740 |
'meta': {'key': {'description': image.description}}}, |
741 |
}} |
742 |
except Image.DoesNotExist:
|
743 |
raise fault.itemNotFound
|
744 |
except Image.MultipleObjectsReturned:
|
745 |
raise fault.serviceUnavailable
|
746 |
except Exception, e: |
747 |
log.exception('Unexpected error: %s' % e)
|
748 |
raise fault.serviceUnavailable
|
749 |
|
750 |
def create(self, request): |
751 |
"""Create a new image"""
|
752 |
return accepted
|
753 |
|
754 |
|
755 |
class ImageMetadataHandler(BaseHandler): |
756 |
"""Handles Metadata of a specific Image
|
757 |
|
758 |
the handler Lists, Creates, Updates and Deletes Metadata values
|
759 |
|
760 |
@HTTP methods: POST, DELETE, PUT, GET
|
761 |
@Parameters: POST data with key value pairs
|
762 |
|
763 |
"""
|
764 |
allowed_methods = ('GET', 'POST', 'PUT', 'DELETE') |
765 |
|
766 |
def read(self, request, id, key=None): |
767 |
"""List metadata of the specific server"""
|
768 |
if key is None: |
769 |
return self.read_allkeys(request, id) |
770 |
else:
|
771 |
return self.read_onekey(request, id, key) |
772 |
|
773 |
def read_allkeys(self, request, id): |
774 |
"""Returns all the key value pairs of the specified server"""
|
775 |
try:
|
776 |
image = Image.objects.get(pk=id)
|
777 |
return {
|
778 |
"metadata": [{
|
779 |
"meta": {
|
780 |
"key": {m.meta_key: m.meta_value}}} \
|
781 |
for m in image.imagemetadata_set.all()] |
782 |
} |
783 |
except Image.DoesNotExist:
|
784 |
raise fault.itemNotFound
|
785 |
except Image.MultipleObjectsReturned:
|
786 |
raise fault.serviceUnavailable
|
787 |
except Exception, e: |
788 |
log.exception('Unexpected error: %s' % e)
|
789 |
raise fault.serviceUnavailable
|
790 |
|
791 |
def read_onekey(self, request, id, key): |
792 |
"""Returns the specified metadata key of the specified server"""
|
793 |
try:
|
794 |
image = Image.objects.get(pk=id)
|
795 |
return {
|
796 |
"metadata": {
|
797 |
"values": [
|
798 |
{m.meta_key: m.meta_value} \ |
799 |
for m in image.imagemetadata_set.filter(meta_key=key) |
800 |
] |
801 |
} |
802 |
} |
803 |
except ImageMetadata.DoesNotExist:
|
804 |
raise fault.itemNotFound
|
805 |
except Image.DoesNotExist:
|
806 |
raise fault.itemNotFound
|
807 |
except Image.MultipleObjectsReturned:
|
808 |
raise fault.serviceUnavailable
|
809 |
except Exception, e: |
810 |
log.exception('Unexpected error: %s' % e)
|
811 |
raise fault.serviceUnavailable
|
812 |
|
813 |
def create(self, request, id, key=None): |
814 |
"""Create or Update all metadata for the specified Image"""
|
815 |
if key is not None: |
816 |
log.exception('The POST request should not pass a key in the URL')
|
817 |
raise fault.badRequest
|
818 |
try:
|
819 |
metadata = json.loads(request.raw_post_data)['metadata']
|
820 |
except Exception as e: |
821 |
log.exception('Malformed create request: %s - %s' \
|
822 |
% (e, request.raw_post_data)) |
823 |
raise fault.badRequest
|
824 |
|
825 |
try:
|
826 |
image = Image.objects.get(pk=id)
|
827 |
for x in metadata.keys(): |
828 |
img_meta, created = (image.imagemetadata_set. |
829 |
get_or_create(meta_key=x)) |
830 |
img_meta.meta_value = metadata[x] |
831 |
img_meta.save() |
832 |
return {
|
833 |
"metadata": [{
|
834 |
"meta": {
|
835 |
"key": {m.meta_key: m.meta_value}}} \
|
836 |
for m in image.imagemetadata_set.all()] |
837 |
} |
838 |
except Image.DoesNotExist:
|
839 |
raise fault.itemNotFound
|
840 |
except Image.MultipleObjectsReturned:
|
841 |
raise fault.serviceUnavailable
|
842 |
except ImageMetadata.DoesNotExist:
|
843 |
raise fault.itemNotFound
|
844 |
except ImageMetadata.MultipleObjectsReturned:
|
845 |
raise fault.serviceUnavailable
|
846 |
except Exception, e: |
847 |
log.exception('Unexpected error: %s' % e)
|
848 |
raise fault.serviceUnavailable
|
849 |
|
850 |
def update(self, request, id, key=None): |
851 |
"""Update or Create the specified metadata key for the
|
852 |
specified Image"""
|
853 |
if key is None: |
854 |
log.exception('No metadata key specified in URL')
|
855 |
raise fault.badRequest
|
856 |
try:
|
857 |
metadata = json.loads(request.raw_post_data)['meta']
|
858 |
metadata_value = metadata[key] |
859 |
except Exception as e: |
860 |
log.exception('Malformed create request: %s - %s' \
|
861 |
% (e, request.raw_post_data)) |
862 |
raise fault.badRequest
|
863 |
|
864 |
try:
|
865 |
image = Image.objects.get(pk=id)
|
866 |
img_meta, created = (image.imagemetadata_set. |
867 |
get_or_create(meta_key=key)) |
868 |
img_meta.meta_value = metadata_value |
869 |
img_meta.save() |
870 |
return {"meta": {img_meta.meta_key: img_meta.meta_value}} |
871 |
|
872 |
except Image.DoesNotExist:
|
873 |
raise fault.itemNotFound
|
874 |
except Image.MultipleObjectsReturned:
|
875 |
raise fault.serviceUnavailable
|
876 |
except ImageMetadata.DoesNotExist:
|
877 |
raise fault.itemNotFound
|
878 |
except ImageMetadata.MultipleObjectsReturned:
|
879 |
raise fault.serviceUnavailable
|
880 |
except Exception, e: |
881 |
log.exception('Unexpected error: %s' % e)
|
882 |
raise fault.serviceUnavailable
|
883 |
|
884 |
def delete(self, request, id, key=None): |
885 |
"""Delete the specified metadata key"""
|
886 |
if key is None: |
887 |
log.exception('No metadata key specified in URL')
|
888 |
raise fault.badRequest
|
889 |
try:
|
890 |
image = Image.objects.get(pk=id)
|
891 |
image.imagemetadata_set.get(meta_key=key).delete() |
892 |
except ImageMetadata.DoesNotExist:
|
893 |
raise fault.itemNotFound
|
894 |
except Image.DoesNotExist:
|
895 |
raise fault.itemNotFound
|
896 |
except ImageMetadata.MultipleObjectsReturned:
|
897 |
raise fault.serviceUnavailable
|
898 |
except Image.MultipleObjectsReturned:
|
899 |
raise fault.serviceUnavailable
|
900 |
except Exception, e: |
901 |
log.exception('Unexpected error: %s' % e)
|
902 |
raise fault.serviceUnavailable
|
903 |
|
904 |
|
905 |
class SharedIPGroupHandler(BaseHandler): |
906 |
allowed_methods = ('GET', 'POST', 'DELETE') |
907 |
|
908 |
def read(self, request, id=None): |
909 |
"""List Shared IP Groups"""
|
910 |
if id is None: |
911 |
return {}
|
912 |
elif id == "detail": |
913 |
return {}
|
914 |
else:
|
915 |
raise fault.itemNotFound
|
916 |
|
917 |
def create(self, request, id): |
918 |
"""Creates a new Shared IP Group"""
|
919 |
return created
|
920 |
|
921 |
def delete(self, request, id): |
922 |
"""Deletes a Shared IP Group"""
|
923 |
raise fault.itemNotFound
|
924 |
|
925 |
|
926 |
class VirtualMachineGroupHandler(BaseHandler): |
927 |
"""Handler responsible for Virtual Machine Groups
|
928 |
|
929 |
creates, lists, deletes virtual machine groups
|
930 |
|
931 |
@HTTP methods: GET, POST, DELETE
|
932 |
@Parameters: POST data
|
933 |
@Responses: HTTP 202 if successfully get the Groups list,
|
934 |
itemNotFound, serviceUnavailable otherwise
|
935 |
|
936 |
"""
|
937 |
|
938 |
allowed_methods = ('GET', 'POST', 'DELETE') |
939 |
|
940 |
def read(self, request, id=None): |
941 |
"""List Groups"""
|
942 |
try:
|
943 |
vmgroups = VirtualMachineGroup.objects.all() |
944 |
vmgroups_list = [{'id': vmgroup.id, \
|
945 |
'name': vmgroup.name, \
|
946 |
'server_id':
|
947 |
[machine.id for machine in vmgroup.machines.all()] |
948 |
} for vmgroup in vmgroups] |
949 |
# Group info is stored in the DB. Ganeti is not aware of this
|
950 |
if id == "detail": |
951 |
return {"groups": vmgroups_list} |
952 |
elif id is None: |
953 |
return {"groups": [{"id": s['id'], |
954 |
"name": s['name']} for s in vmgroups_list]} |
955 |
else:
|
956 |
vmgroup = vmgroups.get(id=id)
|
957 |
|
958 |
return {"group": {'id': vmgroup.id, |
959 |
'name': vmgroup.name,
|
960 |
'server_id':
|
961 |
[machine.id for machine in vmgroup.machines.all()] |
962 |
}} |
963 |
|
964 |
except VirtualMachineGroup.DoesNotExist:
|
965 |
raise fault.itemNotFound
|
966 |
except VirtualMachineGroup.MultipleObjectsReturned:
|
967 |
raise fault.serviceUnavailable
|
968 |
except Exception, e: |
969 |
log.exception('Unexpected error: %s' % e)
|
970 |
raise fault.serviceUnavailable
|
971 |
|
972 |
def create(self, request, id): |
973 |
"""Creates a Group"""
|
974 |
return created
|
975 |
|
976 |
def delete(self, request, id): |
977 |
"""Deletes a Group"""
|
978 |
raise fault.itemNotFound
|
979 |
|
980 |
|
981 |
class LimitHandler(BaseHandler): |
982 |
allowed_methods = ('GET',)
|
983 |
|
984 |
# XXX: hookup with @throttle
|
985 |
|
986 |
rate = [ |
987 |
{ |
988 |
"verb": "POST", |
989 |
"URI": "*", |
990 |
"regex": ".*", |
991 |
"value": 10, |
992 |
"remaining": 2, |
993 |
"unit": "MINUTE", |
994 |
"resetTime": 1244425439 |
995 |
}, |
996 |
{ |
997 |
"verb": "POST", |
998 |
"URI": "*/servers", |
999 |
"regex": "^/servers", |
1000 |
"value": 25, |
1001 |
"remaining": 24, |
1002 |
"unit": "DAY", |
1003 |
"resetTime": 1244511839 |
1004 |
}, |
1005 |
{ |
1006 |
"verb": "PUT", |
1007 |
"URI": "*", |
1008 |
"regex": ".*", |
1009 |
"value": 10, |
1010 |
"remaining": 2, |
1011 |
"unit": "MINUTE", |
1012 |
"resetTime": 1244425439 |
1013 |
}, |
1014 |
{ |
1015 |
"verb": "GET", |
1016 |
"URI": "*", |
1017 |
"regex": ".*", |
1018 |
"value": 3, |
1019 |
"remaining": 3, |
1020 |
"unit": "MINUTE", |
1021 |
"resetTime": 1244425439 |
1022 |
}, |
1023 |
{ |
1024 |
"verb": "DELETE", |
1025 |
"URI": "*", |
1026 |
"regex": ".*", |
1027 |
"value": 100, |
1028 |
"remaining": 100, |
1029 |
"unit": "MINUTE", |
1030 |
"resetTime": 1244425439 |
1031 |
} |
1032 |
] |
1033 |
|
1034 |
absolute = { |
1035 |
"maxTotalRAMSize": 51200, |
1036 |
"maxIPGroups": 50, |
1037 |
"maxIPGroupMembers": 25 |
1038 |
} |
1039 |
|
1040 |
def read(self, request): |
1041 |
return {"limits": { |
1042 |
"rate": self.rate, |
1043 |
"absolute": self.absolute, |
1044 |
} |
1045 |
} |
1046 |
|
1047 |
|
1048 |
class DiskHandler(BaseHandler): |
1049 |
allowed_methods = ('GET', 'POST', 'PUT', 'DELETE') |
1050 |
|
1051 |
def read(self, request, id=None): |
1052 |
"""List Disks"""
|
1053 |
if id is None: |
1054 |
return self.read_all(request) |
1055 |
elif id == "detail": |
1056 |
return self.read_all(request, detail=True) |
1057 |
else:
|
1058 |
return self.read_one(request, id) |
1059 |
|
1060 |
def read_one(self, request, id): |
1061 |
"""List one Disk with the specified id with all details"""
|
1062 |
# FIXME Get detailed info from the DB
|
1063 |
# for the Disk with the specified id
|
1064 |
try:
|
1065 |
disk = Disk.objects.get(pk=id)
|
1066 |
disk_details = { |
1067 |
"id": disk.id,
|
1068 |
"name": disk.name,
|
1069 |
"size": disk.size,
|
1070 |
"created": disk.created,
|
1071 |
"serverId": disk.vm.id
|
1072 |
} |
1073 |
return {"disks": disk_details} |
1074 |
except:
|
1075 |
raise fault.itemNotFound
|
1076 |
|
1077 |
@paginator
|
1078 |
def read_all(self, request, detail=False): |
1079 |
"""List all Disks. If -detail- is set list them with all details"""
|
1080 |
if not detail: |
1081 |
disks = Disk.objects.filter(owner=SynnefoUser.objects.all()[0])
|
1082 |
return {"disks": [{"id": disk.id, "name": disk.name} \ |
1083 |
for disk in disks]} |
1084 |
else:
|
1085 |
disks = Disk.objects.filter(owner=SynnefoUser.objects.all()[0])
|
1086 |
disks_details = [{ |
1087 |
"id": disk.id,
|
1088 |
"name": disk.name,
|
1089 |
"size": disk.size,
|
1090 |
"created": disk.created,
|
1091 |
"serverId": disk.vm.id,
|
1092 |
} for disk in disks] |
1093 |
return {"disks": disks_details} |
1094 |
|
1095 |
def create(self, request): |
1096 |
"""Create a new Disk"""
|
1097 |
# FIXME Create a partial DB entry,
|
1098 |
# then call the backend for actual creation
|
1099 |
pass
|
1100 |
|
1101 |
def update(self, request, id): |
1102 |
"""Rename the Disk with the specified id"""
|
1103 |
# FIXME Change the Disk's name in the DB
|
1104 |
pass
|
1105 |
|
1106 |
def delete(self, request, id): |
1107 |
"""Destroy the Disk with the specified id"""
|
1108 |
# Call the backend for actual destruction
|
1109 |
pass
|