import keystoneclient.v2_0.client as ksclient import quantumclient.quantum.client as qclient import novaclient.client as nclient import settings import pymongo import sys import os import fcntl ########################################################## def create_network(qc, network_name, tenant_name): net = {'name': network_name, 'admin_state_up': True, 'tenant_id': getattr(kc.tenants.find(name=tenant_name), 'id')} network = qc.create_network({'network': net}) sub = {'name': network_name + "-subnet", 'cidr': '0.0.0.0/24', 'network_id': network['network']['id'], 'ip_version': 4, 'enable_dhcp': False, 'gateway_ip': None} subnet = qc.create_subnet({'subnet': sub}) return network def get_nova_client(tenant_name): return nclient.Client("1.1", username=settings.OS_ADMIN_USER, api_key=settings.OS_ADMIN_PASS, auth_url=settings.OS_AUTH_URL, project_id=tenant_name) def get_quantum_client(tenant_name): kcsub = ksclient.Client(auth_url=settings.OS_AUTH_URL, username=settings.OS_ADMIN_USER, password=settings.OS_ADMIN_PASS, tenant_name=tenant_name) client = qclient.Client('2.0', endpoint_url=settings.OS_QUANTUM_URL, token=kcsub.auth_token) client.format = 'json' return client ########################################################## def main(): kc = ksclient.Client(endpoint=settings.OS_ADMIN_AUTH_URL, token=settings.OS_ADMIN_TOKEN) admin_role = kc.roles.find(name='admin') member_role = kc.roles.find(name='Member') db = pymongo.MongoClient(settings.DB_URI).get_default_database() l = db.student_tasks.find({'create_openstack': True}) projects = list() for project in l: task_id, student_id = project['task_id'], project['student_id'] if (task_id, student_id) not in projects: projects.append((task_id, student_id)) #projects = [ ('01.predvaja','at9036@student.uni-lj.si'), ('01.predvaja', 'andrejtolic@fri1.uni-lj.si') ] for task_id, student_id in projects: l = db.student_tasks.find_one({'task_id': task_id, 'student_id': student_id, "create_openstack": True}) if l is None: continue lock_file = os.path.join(settings.OS_LOCKFILE_PATH, '{0}-{1}.lock'.format(student_id, task_id)) lock_fp = open(lock_file, 'w') try: fcntl.lockf(lock_fp, fcntl.LOCK_EX | fcntl.LOCK_NB) except IOError: continue # Ustvarimo projekt project_name = "{0}-{1}".format(student_id, task_id) project = kc.tenants.create(tenant_name=project_name) lock_fp.write("Created project {0}.\n".format(project_name)) # Dodamo admin uporabnika v projekt kc.roles.add_user_role(kc.users.find(name='admin'), admin_role, project) lock_fp.write("Added user admin to project {0}.\n".format(project_name)) # Ustvarimo L2 omrezja qc = get_quantum_client(tenant_name=project_name) network_list = db.networks.find({'task_id': task_id}) nets = {} for n in network_list: net = create_network(qc, network_name=n['name'], tenant_name=project_name) lock_fp.write("Created network {0}.".format(n['name'])) nets[n['name']] = {'net-id': net['network']['id']} db.student_networks.update({'task_id': task_id, 'student_id': student_id, 'name': n['name']}, {'$set': {'network_id': net['network']['id'], 'public': n['public']}}, upsert=True) #Ustvarimo instance instance_list = db.computers_meta.find({'task_id': task_id}) nc = get_nova_client(tenant_name=project_name) first_instance_in_project = True for inst in instance_list: image = nc.images.find(name=inst['image']) flavor = nc.flavors.find(name=inst['flavor']) instance_nets = [nets[iface['network']] for iface in inst['network_interfaces']] if inst['config_drive']: if 'string' in inst['userdata'].keys(): udata = inst['userdata']['string'] elif 'file' in inst['userdata'].keys(): try: udata = open(inst['userdata']['file'], 'r') except: udata = None lock_fp.write("Problem reading file {0} for config drive. Using None instead.".format(inst['userdata']['file'])) else: udata = None if first_instance_in_project: scheduler_hints = None first_instance_in_project = False else: s = db.student_computers.find_one({'task_id': task_id, 'student_id': student_id, 'name': inst['name']}) # Value corresponding to the 'same_host' key is a list (with just one element) # of instances besides which to put the new instance. scheduler_hints = {'same_host': [s['openstack_instance_id']] } instance = nc.servers.create(name=project_name + "-" + inst['name'], image=image, flavor=flavor, nics=instance_nets, config_drive=inst['config_drive'], userdata=udata, scheduler_hints=scheduler_hints) lock_fp.write("Created instance for computer {0}.".format(inst['name'])) # Write openstack instance id to mongo. db.student_computers.update({'task_id': task_id, 'student_id': student_id, 'name': inst['name']}, {'$set': {'openstack_instance_id': instance['id'], 'openstack_host': instance['OS-EXT-SRV-ATTR:host'], 'openstack_finalized': False}, upsert=True) # instance['status'] lahko BUILD, ACTIVE ali SHUTOFF # instance = nova.servers.get(instance['id']) db.student_tasks.update({'task_id': task_id, 'student_id': student_id}, {'$set': {'create_openstack': False, 'openstack_created': True}}) os.unlink(lock_file) lock_fp.close() # TODO v loceni skripti. # povezi test-net na brarbiters, po izklopu instanc guestfs nad diski in create_image. # Dodamo studenta v projekt kc.roles.add_user_role(kc.users.find(name=student_id), member_role, project) if __name__ == '__main__': main()