def deploy_service(self, service_name, class_path, pool_size=1,
description=CConstants.UNDEFINED,
initial_state=CConstants.UNDEFINED):
"""Sends request to DPE to deploy given service
Args:
service_name (String): service name in canonical form
class_path (String): class path to given service
pool_size (int): available pool size for service execution
description (String): short description of what the service does
initial_state (String): initial state for service
"""
if not ClaraUtils.is_service_name(service_name):
raise ValueError("Bad Service name")
dpe = ClaraUtils.get_dpe_name(service_name)
container_name = ClaraUtils.get_container_canonical_name(service_name)
engine_name = ClaraUtils.get_engine_name(service_name)
topic = ClaraUtils.build_topic(CConstants.DPE, dpe)
data = ClaraUtils.build_data(CConstants.START_SERVICE,
container_name,
engine_name,
class_path,
pool_size,
description,
initial_state)
self.base.send(self._create_request(topic, data))
def exit_container(self, container_name):
"""Sends message to Container and requesting to stop
Args:
container_name (String): name of the container to stop
"""
if not ClaraUtils.is_container_name(container_name):
raise ValueError("Bad Container name")
dpe = ClaraUtils.get_dpe_name(container_name)
name = ClaraUtils.get_container_name(container_name)
topic = ClaraUtils.build_topic(CConstants.DPE, dpe)
data = ClaraUtils.build_data(CConstants.STOP_CONTAINER, name)
self.base.send(self._create_request(topic, data))
def remove_service(self, service_name):
"""Sends request to DPE to remove given service
Args:
service_name (String): service name in canonical form
"""
if not ClaraUtils.is_service_name(service_name):
raise ValueError("Bad Service name")
dpe_name = ClaraUtils.get_dpe_name(service_name)
container_name = ClaraUtils.get_container_name(service_name)
engine_name = ClaraUtils.get_engine_name(service_name)
topic = ClaraUtils.build_topic(CConstants.DPE, dpe_name)
data = ClaraUtils.build_data(CConstants.STOP_SERVICE,
container_name,
engine_name)
self.base.send(self._create_request(topic, data))
def deploy_container(self, container_name, pool_size=2,
description="Undefined"):
""" Sends request to DPE to deploy given container
Args:
container_name (String): container name in canonical form
pool_size (int): pool size for the given container
description (String): short description for the container
"""
if not ClaraUtils.is_container_name(container_name):
raise ValueError("Bad Container name")
dpe = ClaraUtils.get_dpe_name(container_name)
name = ClaraUtils.get_container_name(container_name)
topic = ClaraUtils.build_topic(CConstants.DPE, dpe)
data = ClaraUtils.build_data(CConstants.START_CONTAINER,
name, pool_size, description)
self.base.send(self._create_request(topic, data))
def __get_dpe_topic(component_name):
return str(ClaraUtils.get_dpe_name(component_name))