def rename(serviceid):
newname = request.values.get('name')
if not newname:
log('"name" is a required argument')
return build_response(simplejson.dumps(False))
return _rename(serviceid, newname)
def upload_manifest():
json = request.values.get('manifest')
if not json:
log('"manifest" is a required argument')
return build_response(simplejson.dumps(False))
log('User %s has uploaded the following manifest %s' % (g.user.username, json))
if not check_manifest(json):
return simplejson.dumps(False)
if request.values.get('thread'):
log('Starting a new process for the manifest')
p = Process(target=new_manifest, args=(json,))
p.start()
log('Process started, now return')
return simplejson.dumps(True)
msg = new_manifest(json)
if msg is not 'ok':
return build_response(jsonify({
'error' : True,
'msg' : msg }))
log('Manifest created')
return simplejson.dumps(True)
def createapp():
app_name = request.values.get('name')
if not app_name:
log('"name" is a required argument')
return build_response(simplejson.dumps(False))
return build_response(_createapp(app_name))
def renameapp(appid):
newname = request.values.get('name')
if not newname:
log('"name" is a required argument')
return build_response(simplejson.dumps(False))
return _renameapp(appid, newname)
def _rename(app_id, serviceid, newname):
log("User '%s' is attempting to rename service %s from application %s"
% (g.user.username, serviceid, app_id))
try:
app_id = int(app_id)
serviceid = int(serviceid)
except:
msg = 'Bad specification of application or service IDs'
log_error(msg)
return error_response(msg)
if not newname:
msg = '"name" is a required argument'
log_error(msg)
return error_response(msg)
service = get_service(g.user.uid, app_id, serviceid)
if not service:
msg = 'Invalid service_id'
log_error(msg)
return error_response(msg)
service.name = newname
db.session.commit()
log('Service renamed successfully')
return {}
def decorated_view(*args, **kwargs):
username = request.values.get('username', '')
password = request.values.get('password', '')
uuid = request.values.get('uuid', '')
if uuid == '<none>':
uuid = ''
# Getting user data from DB through username and password
if len(username.strip()):
log('authentication attempt for <%s, %s> ' % (username, password) )
g.user = get_user(username, password)
if g.user:
# user authenticated through username and passwword
return fn(*args, **kwargs)
# authentication failed, try uuid
# Getting user data from DB through uuid
if len(uuid.strip()):
log('authentication attempt for <%s> ' % (uuid) )
g.user = get_user_by_uuid(uuid)
if g.user:
# user authenticated through uuid
return fn(*args, **kwargs)
# authentication failed
return build_response(simplejson.dumps(False))
def get_manager_cert():
log('Certificate request from manager %s (user %s)' % (
g.cert['serviceLocator'], g.cert['UID']))
csr = crypto.load_certificate_request(crypto.FILETYPE_PEM,
request.files['csr'].read())
return x509cert.create_x509_cert(config_parser.get('conpaas', 'CERT_DIR'), csr)
def upload_manifest():
json = request.values.get('manifest')
if not json:
log('"manifest" is a required argument')
return build_response(simplejson.dumps(False))
log('User %s has uploaded the following manifest %s' %
(g.user.username, json))
if not check_manifest(json):
return simplejson.dumps(False)
if request.values.get('thread'):
log('Starting a new process for the manifest')
p = Process(target=new_manifest, args=(json, ))
p.start()
log('Process started, now return')
return simplejson.dumps(True)
msg = new_manifest(json)
if msg != 'ok':
return build_response(jsonify({'error': True, 'msg': msg}))
log('Manifest created')
return simplejson.dumps(True)
def download_manifest(appid):
manifest = {}
app = get_app_by_id(g.user.uid, appid)
if not app:
log('The appid %s does not exist' % appid)
return simplejson.dumps(False)
manifest['Services'] = []
manifest['Application'] = app.name
do_delete = False
for service in Service.query.filter_by(application_id=appid):
if service.type == "xtreemfs":
do_delete = True
svc_manifest = get_manifest_class(
service.type)().get_service_manifest(service)
manifest['Services'].append(svc_manifest)
if do_delete:
log("Deleting application %s, it contains an XtreemFS service" % appid)
deleteapp(g.user.uid, appid)
return simplejson.dumps(manifest)
def _renameapp(appid, newname):
log("User '%s' is attempting to rename application %s" % (g.user.username, appid))
if not newname:
msg = '"name" is a required argument'
log_error(msg)
return error_response(msg)
app = get_app_by_id(g.user.uid, appid)
if not app:
msg = 'Application not found'
log_error(msg)
return error_response(msg)
# check if the new name is already taken
if check_app_exists(newname):
msg = 'Application name "%s" is already taken' % newname
log_error(msg)
return error_response(msg)
app.name = newname
db.session.commit()
log("Application %s renamed successfully" % appid)
return {}
def createapp():
app_name = request.values.get('name')
if not app_name:
log('"name" is a required argument')
return build_response(simplejson.dumps(False))
return build_response(_createapp(app_name))
def get_service_manifest(self, service):
tmp = MGeneral.get_service_manifest(self, service)
self.set_persistent(service.sid)
log('Calling get_service_snapshot')
snapshot = callmanager(service.sid, 'get_service_snapshot', True, {})
if 'StartupInstances' not in tmp:
tmp['StartupInstances'] = {}
tmp['StartupInstances']['resume'] = []
for node in snapshot:
node_filename = self.__get_node_archive_filename(node)
data = base64.b64decode(node.pop('data'))
open(node_filename, 'wb').write(data)
log('%s created' % node_filename)
node['archive'] = '%s/download_data/%s' % (get_director_url(),
basename(node_filename))
tmp['StartupInstances']['resume'].append(node)
return tmp
def download_manifest(appid):
manifest = {}
app = get_app_by_id(g.user.uid, appid)
if not app:
log('The appid %s does not exist' % appid)
return simplejson.dumps(False)
manifest['Services'] = []
manifest['Application'] = app.name
do_delete = False
for service in Service.query.filter_by(application_id=appid):
if service.type == "xtreemfs":
do_delete = True
svc_manifest = get_manifest_class(
service.type)().get_service_manifest(service)
manifest['Services'].append(svc_manifest)
if do_delete:
log("Deleting application %s, it contains an XtreemFS service" %
appid)
deleteapp(g.user.uid, appid)
return simplejson.dumps(manifest)
def get_user_certs():
# Creates new certificates for this user
certs = x509cert.generate_certificate(
cert_dir=config_parser.get('conpaas', 'CERT_DIR'),
uid=str(g.user.uid),
sid='0',
role='user',
email=g.user.email,
cn=g.user.username,
org='Contrail'
)
# In-memory zip file
zipdata = StringIO()
archive = zipfile.ZipFile(zipdata, mode='w')
# Add key.pem, cert.pem and ca_cert.pem to the zip file
for name, data in certs.items():
archive.writestr(name + '.pem', data)
archive.close()
zipdata.seek(0)
log('New certificates for user %s created' % g.user.username)
# Send zip archive to the client
return helpers.send_file(zipdata, mimetype="application/zip",
as_attachment=True, attachment_filename='certs.zip')
def get_user_certs():
# Creates new certificates for this user
certs = x509cert.generate_certificate(cert_dir=config_parser.get(
'conpaas', 'CERT_DIR'),
uid=str(g.user.uid),
sid='0',
role='user',
email=g.user.email,
cn=g.user.username,
org='Contrail')
# In-memory zip file
zipdata = StringIO()
archive = zipfile.ZipFile(zipdata, mode='w')
# Add key.pem, cert.pem and ca_cert.pem to the zip file
for name, data in certs.items():
archive.writestr(name + '.pem', data)
archive.close()
zipdata.seek(0)
log('New certificates for user %s created' % g.user.username)
# Send zip archive to the client
return helpers.send_file(zipdata,
mimetype="application/zip",
as_attachment=True,
attachment_filename='certs.zip')
def get_service_manifest(self, service):
tmp = MGeneral.get_service_manifest(self, service)
self.set_persistent(service.sid)
log('Calling get_service_snapshot')
snapshot = callmanager(service.sid, 'get_service_snapshot', True, {})
if 'StartupInstances' not in tmp:
tmp['StartupInstances'] = {}
tmp['StartupInstances']['resume'] = {}
tmp['StartupInstances']['resume']['nodes'] = []
for node in snapshot['nodes']:
node_filename = self.__get_node_archive_filename(node)
data = base64.b64decode(node.pop('data'))
open(node_filename, 'wb').write(data)
log('%s created' % node_filename)
node['archive'] = '%s/download_data/%s' % (get_director_url(),
basename(node_filename))
tmp['StartupInstances']['resume']['nodes'].append(node)
tmp['StartupInstances']['resume']['manager'] = snapshot['manager']
return tmp
def _createapp(app_name):
log("User '%s' is attempting to create a new application '%s'"
% (g.user.username, app_name))
if not app_name:
msg = '"name" is a required argument'
log_error(msg)
return error_response(msg)
# check if the application already exists
if check_app_exists(app_name):
msg = 'Application name "%s" is already taken' % app_name
log_error(msg)
return error_response(msg)
a = Application(name=app_name, user=g.user)
db.session.add(a)
# flush() is needed to get auto-incremented sid
db.session.flush()
db.session.commit()
log('Application %s created successfully' % (a.aid))
return a.to_dict()
def stop(serviceid):
"""eg: POST /stop/3
POSTed values must contain username and password.
Returns a boolean value. True in case of successful authentication and
proper service termination. False otherwise.
"""
log('User %s attempting to stop service %s' % (g.user.uid, serviceid))
# Test if a service with id 'serviceid' exists and user is the owner
service = get_service(g.user.uid, serviceid)
if not service:
return build_response(simplejson.dumps(False))
# Try to cleanly terminate the service
try:
# If the service is in INIT or STOPPED state, we can just kill
# the manager VM
res = callmanager(serviceid, "get_service_info", False, {})
if res['state'] == 'INIT' or res['state'] == 'STOPPED':
service.stop()
else:
# Else, we should ask the manager to cleanly shut down itself
callmanager(serviceid, "delete", True, {})
# If this fails, forcefully terminate the manager VM
except:
service.stop()
return build_response(simplejson.dumps(True))
def get_manager_cert():
log('Certificate request from manager %s (user %s)' %
(g.cert['serviceLocator'], g.cert['UID']))
csr = crypto.load_certificate_request(crypto.FILETYPE_PEM,
request.files['csr'].read())
return x509cert.create_x509_cert(config_parser.get('conpaas', 'CERT_DIR'),
csr)
def start(self, json, appid):
try:
to_resume = { 'nodes': json['StartupInstances']['resume']['nodes'],
'manager' : json['StartupInstances']['resume']['manager'] }
except KeyError:
to_resume = {}
# Set the resuming flag if necessary
self.resuming = to_resume != {}
sid = MGeneral.start(self, json, appid)
if type(sid) != int:
# Error!
return sid
if json.get('VolumeStartup'):
name = json.get('VolumeStartup').get('volumeName')
owner = json.get('VolumeStartup').get('owner')
# Wait few seconds so that the new node is up.
time.sleep(20)
if name != "" and owner != "":
res = self.createvolume(sid, name, owner)
if 'error' in res:
return res['error']
if json.get('StartupInstances'):
params = {
'osd': 1
}
if json.get('StartupInstances').get('osd'):
params['osd'] = int(json.get('StartupInstances').get('osd'))
# We have started the service already, so one OSD node is there
# for sure.
params['osd'] -= 1
params['resuming'] = to_resume
res = self.add_nodes(sid, params)
if 'error' in res:
return res['error']
if to_resume:
log('Resuming the following xtreemfs nodes: %s' % to_resume)
self.wait_for_state(sid, 'RUNNING')
res = callmanager(sid, "set_service_snapshot", True,
to_resume)
if 'error' in res:
return res['error']
else:
log('No xtreemfs node to be resumed')
return 'ok'
def download():
"""GET /download/ConPaaS.tar.gz
Returns ConPaaS tarball.
"""
log('ConPaaS tarball downloaded')
return helpers.send_from_directory(common.config_parser.get('conpaas', 'CONF_DIR'),
"ConPaaS.tar.gz")
def stop(self, vmid):
log('Trying to stop service %s on cloud %s' % (vmid, self.cloud_name))
cloud = self.get_cloud_by_name(self.cloud_name)
if not cloud.connected:
cloud._connect()
cloud.kill_instance(ServiceNode(vmid, None, None, self.cloud_name))
self._stop_reservation_timer()
def stop(self, vmid):
log('Trying to stop service %s on cloud %s' % (vmid, self.cloud_name))
cloud = self.get_cloud_by_name(self.cloud_name)
if not cloud.connected:
cloud._connect()
cloud.kill_instance(ServiceNode(vmid, None, None, self.cloud_name))
self._stop_reservation_timer()
def shutdown(self, service_id):
res = callmanager(service_id, "get_service_info", False, {})
if res['state'] == "RUNNING":
res = callmanager(service_id, "shutdown", True, {})
else:
log("Service is in '%(state)s' state. We can not stop it." % res)
return res
def shutdown(self, service_id):
res = callmanager(service_id, "get_service_info", False, {})
if res['state'] == "RUNNING":
res = callmanager(service_id, "shutdown", True, {})
else:
log("Service is in '%(state)s' state. We can not stop it." % res)
return res
def save_dump(self, service_id):
res = callmanager(service_id, 'sqldump', False, {})
if type(res) is dict and 'error' in res:
log('Error getting SQL dump: %s' % res['error'])
return ''
_, temp_path = mkstemp(dir=get_userdata_dir())
open(temp_path, 'w').write(res)
return '%s/download_data/%s' % (get_director_url(), basename(temp_path))
def delete(appid):
"""eg: POST /delete/3
POSTed values must contain username and password.
Returns a boolean value. True in case of successful authentication and
proper service termination. False otherwise.
"""
log('User %s attempting to delete application %s' % (g.user.uid, appid))
return build_response(simplejson.dumps(deleteapp(g.user.uid, appid)))
def set_persistent(self, service_id):
res = callmanager(service_id, 'get_service_info', False, {})
if res['persistent']:
log('Service %s is already persistent' % service_id)
else:
res = callmanager(service_id, 'toggle_persistent', True, {})
log('Service %s is now persistent' % service_id)
return res['persistent']
def _renameapp(appid, newname):
log('User %s attempting to rename application %s' % (g.user.uid, appid))
app = get_app_by_id(g.user.uid, appid)
if not app:
return build_response(simplejson.dumps(False))
app.name = newname
db.session.commit()
return simplejson.dumps(True)
def set_persistent(self, service_id):
res = callmanager(service_id, 'get_service_info', False, {})
if res['persistent']:
log('Service %s is already persistent' % service_id)
else:
res = callmanager(service_id, 'toggle_persistent', True, {})
log('Service %s is now persistent' % service_id)
return res['persistent']
def terminate():
"""Terminate the service whose id matches the one provided in the manager
certificate."""
log('User %s attempting to terminate service %s' % (g.user.uid,
g.service.sid))
if g.service.stop():
return jsonify({ 'error': False })
return jsonify({ 'error': True })
def stop(self):
controller = manager_controller.ManagerController(self.type,
self.sid, self.user_id, self.cloud, self.application_id,
self.subnet)
controller.stop(self.vmid)
db.session.delete(self)
db.session.commit()
log('Service %s stopped properly' % self.sid)
return True
def stop(self):
controller = manager_controller.ManagerController(
self.type, self.sid, self.user_id, self.cloud, self.application_id,
self.subnet)
controller.stop(self.vmid)
db.session.delete(self)
db.session.commit()
log('Service %s stopped properly' % self.sid)
return True
def delete(appid):
"""eg: POST /delete/3
POSTed values must contain username and password.
Returns a boolean value. True in case of successful authentication and
proper service termination. False otherwise.
"""
log('User %s attempting to delete application %s' % (g.user.uid, appid))
return build_response(simplejson.dumps(deleteapp(g.user.uid, appid)))
def terminate():
"""Terminate the service whose id matches the one provided in the manager
certificate."""
log('User %s attempting to terminate service %s' %
(g.user.uid, g.service.sid))
if g.service.stop():
return jsonify({'error': False})
return jsonify({'error': True})
def _renameapp(appid, newname):
log('User %s attempting to rename application %s' % (g.user.uid, appid))
app = get_app_by_id(g.user.uid, appid)
if not app:
return build_response(simplejson.dumps(False))
app.name = newname
db.session.commit()
return simplejson.dumps(True)
def start(self, json, appid):
try:
to_resume = {'nodes': json['StartupInstances']['resume']}
except KeyError:
to_resume = {}
# Set the resuming flag if necessary
self.resuming = to_resume != {}
sid = MGeneral.start(self, json, appid)
if type(sid) != int:
# Error!
return sid
if json.get('VolumeStartup'):
name = json.get('VolumeStartup').get('volumeName')
owner = json.get('VolumeStartup').get('owner')
# Wait few seconds so that the new node is up.
time.sleep(20)
if name != "" and owner != "":
res = self.createvolume(sid, name, owner)
if 'error' in res:
return res['error']
if json.get('StartupInstances'):
params = {'osd': 1}
if json.get('StartupInstances').get('osd'):
params['osd'] = int(json.get('StartupInstances').get('osd'))
# We have started the service already, so one OSD node is there
# for sure.
params['osd'] -= 1
params['resuming'] = to_resume
res = self.add_nodes(sid, params)
if 'error' in res:
return res['error']
if to_resume:
log('Resuming the following xtreemfs nodes: %s' % to_resume)
self.wait_for_state(sid, 'RUNNING')
res = callmanager(sid, "set_service_snapshot", True, to_resume)
if 'error' in res:
return res['error']
else:
log('No xtreemfs node to be resumed')
return 'ok'
def save_dump(self, service_id):
res = callmanager(service_id, 'sqldump', False, {})
if type(res) is dict and 'error' in res:
log('Error getting SQL dump: %s' % res['error'])
return ''
_, temp_path = mkstemp(dir=get_userdata_dir())
open(temp_path, 'w').write(res)
return '%s/download_data/%s' % (get_director_url(),
basename(temp_path))
def get_app_by_name(user_id, app_name):
app = Application.query.filter_by(name=app_name).first()
if not app:
log('Application %s does not exist' % app_name)
return
if app.user_id != user_id:
log('Application %s is not owned by user %s' % (app_name, user_id))
return
return app
def get_service(user_id, service_id):
service = Service.query.filter_by(sid=service_id).first()
if not service:
log('Service %s does not exist' % service_id)
return
if service.user_id != user_id:
log('Service %s is not owned by user %s' % (service_id, user_id))
return
return service
def get_app_by_name(user_id, app_name):
app = Application.query.filter_by(name=app_name).first()
if not app:
log('Application %s does not exist' % app_name)
return
if app.user_id != user_id:
log('Application %s is not owned by user %s' % (app_name, user_id))
return
return app
def get_service(user_id, service_id):
service = Service.query.filter_by(sid=service_id).first()
if not service:
log('Service %s does not exist' % service_id)
return
if service.user_id != user_id:
log('Service %s is not owned by user %s' % (service_id, user_id))
return
return service
def list_services(appid):
"""POST /list/2
List running ConPaaS services under a specific application if the user is
authenticated. Return False otherwise.
"""
services = [ser.to_dict() for ser in Service.query.filter_by(application_id=appid)]
try:
services = __manager_port_map(services)
except Exception,e:
log("Service mapping port failed as %s"%e)
def get_app_by_id(user_id, app_id):
app = Application.query.filter_by(aid=app_id).first()
if not app:
log('Application %s does not exist' % app_id)
return
if int(app.user_id) != int(user_id):
log('Application %s is not owned by user %s' % (app_id, user_id))
return
return app
def destroy_volume():
"""POST /destroy_volume"""
volume_id = str(request.values.get('volume_id'))
cloud = str(request.values.get('cloud'))
controller = Controller()
controller.setup_default()
controller.destroy_volume(volume_id, cloud)
log('Destroyed volume %s (cloud: %s)' % (volume_id, cloud))
return build_response(simplejson.dumps({}))
def check_manifest(json):
try:
parse = simplejson.loads(json)
except:
log('The uploaded manifest is not valid json')
return False
for service in parse.get('Services'):
if not service.get('Type'):
log('The "Type" field is mandatory')
return False
return True
def check_manifest(json):
try:
parse = simplejson.loads(json)
except:
log('The uploaded manifest is not valid json')
return False
for service in parse.get('Services'):
if not service.get('Type'):
log('The "Type" field is mandatory')
return False
return True
def start(self, json, appid, cloud):
#start = json.get('Start')
#this is to prevent startup being called without passing the manifest, should be changed
#json['Start'] = 0
sid = MGeneral.start(self, json, appid, cloud)
#json['Start'] = start
#if not json.get('Start') or json.get('Start') == 0:
# return sid
# Start == 1
#res = self.startup(sid, json)
#if 'error' in res:
# return res['error']
#self.wait_for_state(sid, 'RUNNING')
#return sid
if json.get('Archive'):
res = self.upload_code(appid, sid, json.get('Archive'))
if 'error' in res:
return res['error']
res = self.enable_code(appid, sid, res['codeVersionId']);
if 'error' in res:
return res['error']
self.wait_for_state(sid, 'RUNNING')
if json.get('StartupInstances'):
instances = json.get('StartupInstances')
nr_instances = 0
for role in instances:
nr_instances += int(instances[role])
if nr_instances:
start_role = '*'
if json.get('StartRole'):
start_role = json.get('StartRole')
params = {
"nodes" : instances,
"start_role" : start_role
}
res = self.add_nodes(sid, params)
if 'error' in res:
log('generic.start: error calling add_nodes -> %s' % res)
return res['error']
return 'ok'
def _rename(serviceid, newname):
log('User %s attempting to rename service %s' % (g.user.uid, serviceid))
service = get_service(g.user.uid, serviceid)
if not service:
return make_response(simplejson.dumps(False))
if not newname:
log('"name" is a required argument')
return build_response(simplejson.dumps(False))
service.name = newname
db.session.commit()
return simplejson.dumps(True)
def _rename(serviceid, newname):
log('User %s attempting to rename service %s' % (g.user.uid, serviceid))
service = get_service(g.user.uid, serviceid)
if not service:
return make_response(simplejson.dumps(False))
if not newname:
log('"name" is a required argument')
return build_response(simplejson.dumps(False))
service.name = newname
db.session.commit()
return simplejson.dumps(True)
def deduct_credit(self, value):
uid = self.config_parser.get("manager", "USER_ID")
service_id = self.config_parser.get("manager", "SERVICE_ID")
user = User.query.filter_by(uid=uid).one()
log('Decrement user %s credit: sid=%s, old_credit=%s, decrement=%s' %
(uid, service_id, user.credit, value))
user.credit -= value
if user.credit > -1:
db.session.commit()
log('New credit for user %s: %s' % (uid, user.credit))
return True
db.session.rollback()
return False
def stop(serviceid):
"""eg: POST /stop/3
POSTed values must contain username and password.
Returns a boolean value. True in case of successful authentication and
proper service termination. False otherwise.
"""
log('User %s attempting to stop service %s' % (g.user.uid, serviceid))
service = get_service(g.user.uid, serviceid)
if not service:
return build_response(simplejson.dumps(False))
# If a service with id 'serviceid' exists and user is the owner
service.stop()
return build_response(simplejson.dumps(True))
def new_manifest(json):
try:
parse = simplejson.loads(json)
except:
return 'Error parsing json'
# 'Application' has to be defined
app_name = parse.get('Application')
if not app_name:
return 'Application is not defined'
if not check_app_exists(app_name):
# Create application if it does not exist yet
res = createapp(app_name)
appid = simplejson.loads(res.data).get('aid')
else:
# Try different application names
for i in range(2, 99):
new_name = "%s (%d)" % (app_name, i)
if not check_app_exists(new_name):
res = createapp(new_name)
appid = simplejson.loads(res.data).get('aid')
break
# If all the applications exists, then exit
if i is 99:
return 'Application can not be created'
if not parse.get('Services'):
return 'ok'
for service in parse.get('Services'):
try:
cls = get_manifest_class(service.get('Type'))
except Exception:
return 'Service %s does not exists' % service.get('Type')
msg = cls().start(service, appid)
if msg is not 'ok':
log('new_manifest: error starting %s service -> %s' %
(service, msg))
return msg
return 'ok'
def start(self, json, appid):
sid = MGeneral.start(self, json, appid, need_env=True)
if type(sid) != int:
# Error!
return sid
if json.get('Archive'):
res = self.upload_code(sid, json.get('Archive'))
if 'error' in res:
return res['error']
res = self.enable_code(sid, res['codeVersionId'])
if 'error' in res:
return res['error']
self.wait_for_state(sid, 'RUNNING')
if json.get('StartupInstances'):
params = {'proxy': 1, 'web': 1, 'backend': 1}
if json.get('StartupInstances').get('proxy'):
params['proxy'] = int(
json.get('StartupInstances').get('proxy'))
params['proxy'] -= 1
if json.get('StartupInstances').get('web'):
params['web'] = int(json.get('StartupInstances').get('web'))
params['web'] -= 1
if json.get('StartupInstances').get('backend'):
params['backend'] = int(
json.get('StartupInstances').get('backend'))
params['backend'] -= 1
if params['proxy'] or params['web'] or params['backend']:
# Add nodes only if at least one additional node has been
# requested
res = self.add_nodes(sid, params)
if 'error' in res:
log('PHP.start: error calling add_nodes -> %s' % res)
return res['error']
return 'ok'
def download_manifest(appid):
manifest = {}
app = get_app_by_id(g.user.uid, appid)
if not app:
log('The appid %s does not exist' % appid)
return simplejson.dumps(False)
manifest['Services'] = []
manifest['Application'] = app.name
for service in Service.query.filter_by(application_id=appid):
tmp = {}
tmp['Type'] = service.type
tmp['ServiceName'] = service.name
tmp['Cloud'] = service.cloud
manifest['Services'].append(tmp)
return simplejson.dumps(manifest)
def credit():
"""POST /callback/decrementUserCredit.php
POSTed values must contain sid and decrement.
Returns a dictionary with the 'error' attribute set to False if the user
had enough credit, True otherwise.
"""
service_id = int(request.values.get('sid', -1))
decrement = int(request.values.get('decrement', 0))
log('Decrement user credit: sid=%s, old_credit=%s, decrement=%s' %
(service_id, g.service.user.credit, decrement))
# Decrement user's credit
g.service.user.credit -= decrement
if g.service.user.credit > -1:
# User has enough credit
db.session.commit()
log('New credit for user %s: %s' %
(g.service.user.uid, g.service.user.credit))
return jsonify({'error': False})
# User does not have enough credit
db.session.rollback()
log('User %s does not have enough credit' % g.service.user.uid)
return jsonify({'error': True})
def delete(appid):
"""eg: POST /delete/3
POSTed values must contain username and password.
Returns a boolean value. True in case of successful authentication and
proper service termination. False otherwise.
"""
log('User %s attempting to delete application %s' % (g.user.uid, appid))
app = get_app_by_id(g.user.uid, appid)
if not app:
return build_response(simplejson.dumps(False))
# If an application with id 'appid' exists and user is the owner
for service in Service.query.filter_by(application_id=appid):
callmanager(service.sid, "shutdown", True, {})
stop(service.sid)
db.session.delete(app)
db.session.commit()
return build_response(simplejson.dumps(True))
def _start(servicetype, cloudname, appid):
log('User %s creating a new %s service inside application %s' %
(g.user.username, servicetype, appid))
# Check if we got a valid service type
if servicetype not in valid_services:
error_msg = 'Unknown service type: %s' % servicetype
log(error_msg)
return build_response(jsonify({'error': True, 'msg': error_msg}))
app = get_app_by_id(g.user.uid, appid)
if not app:
return build_response(
jsonify({
'error': True,
'msg': "Application not found"
}))
# Do we have to assign a VPN subnet to this service?
vpn = app.get_available_vpn_subnet()
# New service with default name, proper servicetype and user relationship
s = Service(name="New %s service" % servicetype,
type=servicetype,
user=g.user,
application=app,
subnet=vpn)
db.session.add(s)
# flush() is needed to get auto-incremented sid
db.session.flush()
try:
s.manager, s.vmid, s.cloud = manager_controller.start(
servicetype, s.sid, g.user.uid, cloudname, appid, vpn)
except Exception, err:
try:
db.session.delete(s)
db.session.commit()
except InvalidRequestError:
db.session.rollback()
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(exc_type, exc_value, exc_traceback)
log(''.join('!! ' + line for line in lines))
error_msg = 'Error upon service creation: %s %s' % (type(err), err)
log(error_msg)
return build_response(jsonify({'error': True, 'msg': error_msg}))
def decorated(*args, **kwargs):
g.cert = {}
if os.environ.get('DIRECTOR_TESTING'):
# No SSL certificate check if we are testing. Trust what the
# client is sending.
g.cert['UID'] = request.values.get('uid')
g.cert['role'] = request.values.get('role')
g.cert['serviceLocator'] = request.values.get('sid')
else:
cert = request.environ['SSL_CLIENT_CERT']
for key in 'serviceLocator', 'UID', 'role':
g.cert[key] = https.x509.get_x509_dn_field(cert, key)
try:
uid = int(g.cert['UID'])
except (AttributeError, ValueError, TypeError):
error_msg = 'cert_required: client certificate does NOT provide UID'
log(error_msg)
return make_response(error_msg, 401)
# Getting user data from DB
g.user = User.query.get(uid)
if not g.user:
# authentication failed
return build_response(simplejson.dumps(False))
if self.role == 'manager':
# manager cert required
try:
service_locator = int(g.cert['serviceLocator'])
except (AttributeError, ValueError):
error_msg = 'cert_required: client certificate does NOT provide serviceLocator'
log(error_msg)
# Return HTTP_UNAUTHORIZED
return make_response(error_msg, 401)
# check if the service is actually owned by the user
from cpsdirector.service import get_service
g.service = get_service(uid, service_locator)
if not g.service:
return build_response(simplejson.dumps(False))
log('cert_required: valid certificate (user %s, service %s)' %
(uid, service_locator))
return fn(*args, **kwargs)
def _createapp(app_name):
log('User %s creating a new application %s' % (g.user.username, app_name))
# check if the application already exists
if check_app_exists(app_name):
log('Application name %s already exists' % app_name)
return jsonify({
'error': True,
'msg': 'Application name "%s" already taken' % app_name
})
a = Application(name=app_name, user=g.user)
db.session.add(a)
# flush() is needed to get auto-incremented sid
db.session.flush()
db.session.commit()
log('Application %s created properly' % (a.aid))
return jsonify(a.to_dict())