root / api / actions.py @ b36f78fa
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#
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# Copyright (c) 2010 Greek Research and Technology Network
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#
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from socket import getfqdn |
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from django.conf import settings |
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from django.http import HttpResponse |
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from django.template.loader import render_to_string |
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from django.utils import simplejson as json |
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from synnefo.api.faults import BadRequest, ServiceUnavailable |
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from synnefo.api.util import random_password, get_vm |
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from synnefo.util.vapclient import request_forwarding as request_vnc_forwarding |
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from synnefo.logic import backend |
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from synnefo.logic.utils import get_rsapi_state |
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server_actions = {} |
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network_actions = {} |
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def server_action(name): |
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'''Decorator for functions implementing server actions.
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`name` is the key in the dict passed by the client.
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'''
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def decorator(func): |
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server_actions[name] = func |
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return func
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return decorator
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def network_action(name): |
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'''Decorator for functions implementing network actions.
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`name` is the key in the dict passed by the client.
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'''
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def decorator(func): |
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network_actions[name] = func |
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return func
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return decorator
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@server_action('changePassword') |
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def change_password(request, vm, args): |
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# Normal Response Code: 202
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# Error Response Codes: computeFault (400, 500),
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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# badMediaType(415),
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# itemNotFound (404),
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# buildInProgress (409),
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# overLimit (413)
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try:
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password = args['adminPass']
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except KeyError: |
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raise BadRequest('Malformed request.') |
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raise ServiceUnavailable('Changing password is not supported.') |
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@server_action('reboot') |
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def reboot(request, vm, args): |
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# Normal Response Code: 202
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# Error Response Codes: computeFault (400, 500),
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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# badMediaType(415),
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# itemNotFound (404),
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# buildInProgress (409),
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# overLimit (413)
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reboot_type = args.get('type', '') |
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if reboot_type not in ('SOFT', 'HARD'): |
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raise BadRequest('Malformed Request.') |
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backend.reboot_instance(vm, reboot_type.lower()) |
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return HttpResponse(status=202) |
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@server_action('start') |
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def start(request, vm, args): |
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# Normal Response Code: 202
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# Error Response Codes: serviceUnavailable (503),
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# itemNotFound (404)
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if args:
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raise BadRequest('Malformed Request.') |
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backend.startup_instance(vm) |
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return HttpResponse(status=202) |
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@server_action('shutdown') |
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def shutdown(request, vm, args): |
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# Normal Response Code: 202
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# Error Response Codes: serviceUnavailable (503),
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# itemNotFound (404)
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if args:
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raise BadRequest('Malformed Request.') |
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backend.shutdown_instance(vm) |
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return HttpResponse(status=202) |
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@server_action('rebuild') |
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def rebuild(request, vm, args): |
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# Normal Response Code: 202
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# Error Response Codes: computeFault (400, 500),
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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# badMediaType(415),
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# itemNotFound (404),
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# buildInProgress (409),
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# serverCapacityUnavailable (503),
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# overLimit (413)
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raise ServiceUnavailable('Rebuild not supported.') |
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@server_action('resize') |
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def resize(request, vm, args): |
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# Normal Response Code: 202
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# Error Response Codes: computeFault (400, 500),
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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# badMediaType(415),
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# itemNotFound (404),
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# buildInProgress (409),
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# serverCapacityUnavailable (503),
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# overLimit (413),
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# resizeNotAllowed (403)
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raise ServiceUnavailable('Resize not supported.') |
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@server_action('confirmResize') |
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def confirm_resize(request, vm, args): |
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# Normal Response Code: 204
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# Error Response Codes: computeFault (400, 500),
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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# badMediaType(415),
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# itemNotFound (404),
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# buildInProgress (409),
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# serverCapacityUnavailable (503),
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# overLimit (413),
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# resizeNotAllowed (403)
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raise ServiceUnavailable('Resize not supported.') |
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@server_action('revertResize') |
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def revert_resize(request, vm, args): |
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# Normal Response Code: 202
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# Error Response Codes: computeFault (400, 500),
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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# badMediaType(415),
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# itemNotFound (404),
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# buildInProgress (409),
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# serverCapacityUnavailable (503),
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# overLimit (413),
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# resizeNotAllowed (403)
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raise ServiceUnavailable('Resize not supported.') |
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@server_action('console') |
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def get_console(request, vm, args): |
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"""Arrange for an OOB console of the specified type
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This method arranges for an OOB console of the specified type.
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Only consoles of type "vnc" are supported for now.
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It uses a running instance of vncauthproxy to setup proper
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VNC forwarding with a random password, then returns the necessary
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VNC connection info to the caller.
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"""
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# Normal Response Code: 200
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# Error Response Codes: computeFault (400, 500),
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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# badMediaType(415),
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# itemNotFound (404),
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# buildInProgress (409),
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# overLimit (413)
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console_type = args.get('type', '') |
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if console_type != 'vnc': |
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raise BadRequest('Type can only be "vnc".') |
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# Use RAPI to get VNC console information for this instance
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if get_rsapi_state(vm) != 'ACTIVE': |
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raise BadRequest('Server not in ACTIVE state.') |
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if settings.TEST:
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console_data = {'kind': 'vnc', 'host': 'ganeti_node', 'port': 1000} |
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else:
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console_data = backend.get_instance_console(vm) |
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if console_data['kind'] != 'vnc': |
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message = 'Could not create a console of requested type.'
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raise ServiceUnavailable(message)
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# Let vncauthproxy decide on the source port.
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# The alternative: static allocation, e.g.
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# sport = console_data['port'] - 1000
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sport = 0
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daddr = console_data['host']
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dport = console_data['port']
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password = random_password() |
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try:
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if settings.TEST:
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fwd = {'source_port': 1234, 'status': 'OK'} |
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else:
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fwd = request_vnc_forwarding(sport, daddr, dport, password) |
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except Exception: |
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raise ServiceUnavailable('Could not allocate VNC console port.') |
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if fwd['status'] != "OK": |
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raise ServiceUnavailable('Could not allocate VNC console.') |
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console = { |
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'type': 'vnc', |
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'host': getfqdn(),
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'port': fwd['source_port'], |
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'password': password}
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if request.serialization == 'xml': |
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mimetype = 'application/xml'
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data = render_to_string('console.xml', {'console': console}) |
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else:
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mimetype = 'application/json'
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data = json.dumps({'console': console})
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return HttpResponse(data, mimetype=mimetype, status=200) |
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@network_action('add') |
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def add(request, net, args): |
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# Normal Response Code: 202
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# Error Response Codes: computeFault (400, 500),
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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# badMediaType(415),
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# itemNotFound (404),
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# overLimit (413)
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server_id = args.get('serverRef', None) |
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if not server_id: |
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raise BadRequest('Malformed Request.') |
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vm = get_vm(server_id, request.user) |
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backend.connect_to_network(vm, net) |
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vm.save() |
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net.save() |
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return HttpResponse(status=202) |
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@network_action('remove') |
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def remove(request, net, args): |
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# Normal Response Code: 202
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# Error Response Codes: computeFault (400, 500),
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# serviceUnavailable (503),
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# unauthorized (401),
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# badRequest (400),
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# badMediaType(415),
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# itemNotFound (404),
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# overLimit (413)
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server_id = args.get('serverRef', None) |
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if not server_id: |
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raise BadRequest('Malformed Request.') |
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vm = get_vm(server_id, request.user) |
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backend.disconnect_from_network(vm, net) |
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vm.save() |
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net.save() |
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return HttpResponse(status=202) |