root / api / handlers.py @ e107ee57
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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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#
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from django.conf import settings |
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from piston.handler import BaseHandler, AnonymousBaseHandler |
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from synnefo.api.faults import fault, noContent, accepted, created |
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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.db.models import VirtualMachine, Flavor, Image, User, id_from_instance_name |
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from util.rapi import GanetiRapiClient |
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if settings.GANETI_CLUSTER_INFO:
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rapi = GanetiRapiClient(*settings.GANETI_CLUSTER_INFO) |
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else:
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rapi = None
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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" : "http://docs.rackspacecloud.com/servers/api/v1.0/cs-devguide-20090714.pdf ", |
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"wadl" : "http://docs.rackspacecloud.com/servers/api/v1.0/application.wadl" |
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}, |
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] |
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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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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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class ServerHandler(BaseHandler): |
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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(1)
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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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if not rapi: # No ganeti backend. Return mock objects |
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servers = VirtualMachine.objects.all()[0]
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return { "server": servers[0] } |
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try:
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instance = rapi.GetInstance(id)
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servers = VirtualMachine.objects.all()[0]
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return { "server": instance_to_server(instance) } |
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except GanetiApiError:
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raise fault.itemNotFound
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@paginator
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def read_all(self, request, detail=False): |
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if not rapi: # No ganeti backend. Return mock objects |
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if detail:
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virtual_servers = VirtualMachine.objects.filter(owner=User.objects.all()[0])
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#get the first user, since we don't have any user data yet
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virtual_servers_list = [{'status': server.state, 'flavorId': server.flavor, \
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'name': server.name, 'id': server.id, 'imageId': server.imageid, |
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'metadata': {'Server_Label': server.server_label, \ |
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'Image_Version': server.image_version}, \
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'hostId': '9e107d9d372bb6826bd81d3542a419d6', \ |
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'addresses': {'public': ['67.23.10.133'], 'private': ['10.176.42.17']}} \ |
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for server in virtual_servers] |
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#pass some fake data regarding ip, since we don't have any such data
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return { "servers": virtual_servers_list } |
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else:
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virtual_servers = VirtualMachine.objects.filter(owner=User.objects.all()[0])
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return { "servers": [ { "id": s.id, "name": s.name } for s in virtual_servers ] } |
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#ganeti can't ask for instances of user X. The DB is responsible for this
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#also here we ask for the instances of the first user, since the user system is not ready
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if not detail: |
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virtual_servers = VirtualMachine.objects.filter(owner=User.objects.all()[0])
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return { "servers": [ { "id": s.id, "name": s.name } for s in virtual_servers ] } |
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else:
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virtual_servers = VirtualMachine.objects.filter(owner=User.objects.all()[0])
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virtual_servers_list = [{'status': server.state, 'flavorId': server.flavor, \
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'name': server.name, 'id': server.id, 'imageId': server.imageid, |
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'metadata': {'Server_Label': server.server_label, \ |
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'Image_Version': server.image_version}, \
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'hostId': '9e107d9d372bb6826bd81d3542a419d6', \ |
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'addresses': {'public': ['67.23.10.133'], 'private': ['10.176.42.17']}} \ |
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for server in virtual_servers] |
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#pass some fake data regarding ip, since we don't have any such data
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return { "servers": virtual_servers_list } |
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def create(self, request): |
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print 'create machine was called' |
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rapi.CreateInstance('create', 'machine-unwebXYZ', 'plain', [{"size": 5120}], [{}], os='debootstrap+default', ip_check=False, name_check=False,pnode="store68", beparams={'auto_balance': True, 'vcpus': 2, 'memory': 1024}) |
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#TODO: replace with real data from request.POST
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return accepted
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def update(self, request, id): |
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return noContent
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def delete(self, request, id): |
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machine = 'machine-XXX' #VirtualMachine.objects.get(id=id_from_instance_name(id)) |
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print 'deleting machine %s' % machine |
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rapi.DeleteInstance(machine.name) |
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return accepted
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class ServerAddressHandler(BaseHandler): |
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allowed_methods = ('GET', 'PUT', 'DELETE') |
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def read(self, request, id, type=None): |
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"""List IP addresses for a server"""
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if type is None: |
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pass
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elif type == "private": |
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pass
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elif type == "public": |
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pass
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return {}
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def update(self, request, id, address): |
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"""Share an IP address to another in the group"""
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return accepted
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def delete(self, request, id, address): |
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"""Unshare an IP address"""
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return accepted
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class ServerActionHandler(BaseHandler): |
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allowed_methods = ('POST', 'DELETE', 'GET', 'PUT') |
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#TODO: remove GET/PUT
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def read(self, request, id): |
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return accepted
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def create(self, request, id): |
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"""Reboot, rebuild, resize, confirm resized, revert resized"""
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machine = 'machine-XXX' #VirtualMachine.objects.get(id=id_from_instance_name(id)) |
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reboot_request = request.POST.get('reboot', None) |
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shutdown_request = request.POST.get('shutdown', None) |
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if reboot_request:
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print 'reboot was asked, with options: %s' % reboot_request |
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rapi.RebootInstance(machine) |
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elif shutdown_request:
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print 'shutdown was asked, with options: %s' % shutdown_request |
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rapi.ShutdownInstance(machine) |
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return accepted
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def delete(self, request, id): |
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"""Delete an Instance"""
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return accepted
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def update(self, request, id): |
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return noContent
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#read is called on GET requests
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#create is called on POST, and creates new objects, and should return them (or rc.CREATED.)
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#update is called on PUT, and should update an existing product and return them (or rc.ALL_OK.)
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#delete is called on DELETE, and should delete an existing object. Should not return anything, just rc.DELETED.'''
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class ServerBackupHandler(BaseHandler): |
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""" Backup Schedules are not implemented yet, return notImplemented """
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allowed_methods = ('GET', 'POST', 'DELETE') |
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def read(self, request, id): |
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raise fault.notImplemented
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def create(self, request, id): |
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raise fault.notImplemented
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def delete(self, request, id): |
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raise fault.notImplemented
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class FlavorHandler(BaseHandler): |
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allowed_methods = ('GET',)
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flavors = Flavor.objects.all() |
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flavors = [ {'id': flavor.id, 'name': flavor.name, 'ram': flavor.ram, \
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'disk': flavor.disk} for flavor in flavors] |
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def read(self, request, id=None): |
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"""
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List flavors or retrieve one
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Returns: OK
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Faults: cloudServersFault, serviceUnavailable, unauthorized,
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badRequest, itemNotFound
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"""
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if id is None: |
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simple = map(lambda v: { |
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"id": v['id'], |
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"name": v['name'], |
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}, self.flavors)
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return { "flavors": simple } |
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elif id == "detail": |
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return { "flavors": self.flavors } |
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else:
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for flavor in self.flavors: |
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if str(flavor['id']) == id: |
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return { "flavor": flavor } |
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raise fault.itemNotFound
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class ImageHandler(BaseHandler): |
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allowed_methods = ('GET', 'POST') |
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def read(self, request, id=None): |
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"""
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List images or retrieve one
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Returns: OK
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Faults: cloudServersFault, serviceUnavailable, unauthorized,
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badRequest, itemNotFound
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"""
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images = Image.objects.all() |
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images = [ {'created': image.created.isoformat(), 'id': image.id, \
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'name': image.name, 'updated': image.updated.isoformat(), \ |
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'description': image.description, 'state': image.state, 'serverid': image.serverid, \ |
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'vm_id': image.vm_id} for image in images] |
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if rapi: # Images info is stored in the DB. Ganeti is not aware of this |
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if id == "detail": |
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return { "images": images } |
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elif id is None: |
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return { "images": [ { "id": s['id'], "name": s['name'] } for s in images ] } |
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else:
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return { "image": images[0] } |
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# if id is None:
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# return {}
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# elif id == "detail":
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# return {}
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# else:
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# raise fault.itemNotFound
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def create(self, request): |
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"""Create a new image"""
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return accepted
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class SharedIPGroupHandler(BaseHandler): |
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allowed_methods = ('GET', 'POST', 'DELETE') |
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def read(self, request, id=None): |
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"""List Shared IP Groups"""
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if id is None: |
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return {}
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elif id == "detail": |
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return {}
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else:
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raise fault.itemNotFound
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def create(self, request, id): |
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"""Creates a new Shared IP Group"""
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return created
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def delete(self, request, id): |
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"""Deletes a Shared IP Group"""
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return noContent
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class LimitHandler(BaseHandler): |
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allowed_methods = ('GET',)
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# XXX: hookup with @throttle
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rate = [ |
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{
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"verb" : "POST", |
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"URI" : "*", |
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"regex" : ".*", |
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"value" : 10, |
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"remaining" : 2, |
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"unit" : "MINUTE", |
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"resetTime" : 1244425439 |
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}, |
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{
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"verb" : "POST", |
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"URI" : "*/servers", |
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"regex" : "^/servers", |
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"value" : 25, |
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"remaining" : 24, |
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"unit" : "DAY", |
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"resetTime" : 1244511839 |
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}, |
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{
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"verb" : "PUT", |
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"URI" : "*", |
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"regex" : ".*", |
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"value" : 10, |
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"remaining" : 2, |
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"unit" : "MINUTE", |
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"resetTime" : 1244425439 |
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}, |
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{
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"verb" : "GET", |
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"URI" : "*", |
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"regex" : ".*", |
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"value" : 3, |
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"remaining" : 3, |
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"unit" : "MINUTE", |
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"resetTime" : 1244425439 |
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}, |
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{
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"verb" : "DELETE", |
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"URI" : "*", |
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"regex" : ".*", |
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"value" : 100, |
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"remaining" : 100, |
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"unit" : "MINUTE", |
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"resetTime" : 1244425439 |
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} |
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] |
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absolute = {
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"maxTotalRAMSize" : 51200, |
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"maxIPGroups" : 50, |
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"maxIPGroupMembers" : 25 |
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} |
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def read(self, request): |
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return { "limits": { |
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"rate": self.rate, |
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"absolute": self.absolute, |
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} |
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} |