def __init__(self, receiver, spawnArgs=None):
# Service class initializer. Basic config, but no yields allowed.
BaseService.__init__(self, receiver, spawnArgs)
self.spawn_args['backend_class'] = self.spawn_args.get('backend_class', CONF.getValue('backend_class', default='ion.data.store.Store'))
self.spawn_args['backend_args'] = self.spawn_args.get('backend_args', CONF.getValue('backend_args', default={}))
logging.info('AttributeStoreService.__init__()')
def __init__(self, receiver, spawnArgs=None):
"""
@brief Init method for the DataStore Frontend service
@param frontend - an instance of a CAStore Frontend
"""
# Service class initializer. Basic config, but no yields allowed.
self.frontend = spawnArgs['MyFrontend']
BaseService.__init__(self, receiver, spawnArgs)
logging.info('DataStoreService.__init__()')
def __init__(self, receiver, spawnArgs=None):
"""
@brief Init method for the DataStore Frontend service
@param frontend - an instance of a CAStore Frontend
"""
# Service class initializer. Basic config, but no yields allowed.
self.frontend = spawnArgs['MyFrontend']
BaseService.__init__(self, receiver, spawnArgs)
logging.info('DataStoreService.__init__()')
def __init__(self, receiver, spawnArgs=None):
# Service class initializer. Basic config, but no yields allowed.
BaseService.__init__(self, receiver, spawnArgs)
self.spawn_args['backend_class'] = self.spawn_args.get(
'backend_class',
CONF.getValue('backend_class', default='ion.data.store.Store'))
self.spawn_args['backend_args'] = self.spawn_args.get(
'backend_args', CONF.getValue('backend_args', default={}))
logging.info('AttributeStoreService.__init__()')
class ExchangeRegistryService(BaseService):
"""Exchange registry service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='exchange_registry',
version='0.1.0',
dependencies=[])
def op_define_exchange_space(self, content, headers, msg):
"""Service operation: .
"""
def op_join_exchange_space(self, content, headers, msg):
"""Service operation:
"""
def op_leave_exchange_space(self, content, headers, msg):
"""Service operation:
"""
def op_define_exchange_name(self, content, headers, msg):
"""Service operation: Create or update a name in an exchange space
"""
def op_add_broker(self, content, headers, msg):
"""Service operation: Add a message broker to the federation
"""
def op_remove_broker(self, content, headers, msg):
"""Service operation: Remove a message broker from the federatione
class ProxyService(BaseService):
"""
Proxy service. Stub, really, since the proxy listens on a plain tcp port.
"""
# Declaration of service
declare = BaseService.service_declare(name='proxy',
version='0.1.0',
dependencies=['controller'])
@defer.inlineCallbacks
def slc_init(self):
"""
Use this hook to bind to listener TCP port.
"""
logging.info('starting proxy on port %d' % PROXY_PORT)
self.proxy_port = yield reactor.listenTCP(PROXY_PORT,
DAPProxyFactory())
logging.info('Proxy listener running.')
@defer.inlineCallbacks
def slc_shutdown(self):
"""
Close TCP listener
"""
logging.info('Shutting down proxy')
yield self.proxy_port.stopListening()
class AuthorizationService(BaseService):
"""Authorization service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='authorization',
version='0.1.0',
dependencies=[])
def op_authorize(self, content, headers, msg):
"""Service operation:
"""
"""
Begin experimental methods RU create backend module.py files if needed. keep the "business logic" separate from the message interface
"""
def op_authenticate_user(self, content, headers, msg):
""" RU Service operation: .
"""
def op_authenticate_service_provider(self, content, headers, msg):
""" RU Service operation: .
"""
def op_add_service_provider(self, content, headers, msg):
""" RU Service operation: .
"""
def op_update_service_provider(self, content, headers, msg):
""" RU Service operation: .
"""
def op_revoke_service_provider(self, content, headers, msg):
""" RU Service operation: .
class DataProductRegistryService(registry.BaseRegistryService):
"""
Service that provides a registry for data products etc.
Data products are for instance
created as a pipeline of refining raw data through automatic and manual
QAQC processes.
Based on the BaseRegistryService.
"""
# Declaration of service
declare = BaseService.service_declare(name='data_product_registry',
version='0.1.0',
dependencies=[])
op_clear_data_product_registry = registry.BaseRegistryService.base_clear_registry
"""
Service operation: Clears all records from the data product registry.
"""
op_register_data_product = registry.BaseRegistryService.base_register_resource
"""
Service operation: Register a data product with the registry.
"""
op_get_data_product = registry.BaseRegistryService.base_get_resource
"""
Service operation: Get a data product.
"""
op_find_data_product = registry.BaseRegistryService.base_find_resource
"""
class DataProcessingService(BaseService):
"""Data processing service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='data_processing',
version='0.1.0',
dependencies=[])
def op_define_process(self, content, headers, msg):
"""
Service operation: Create or update a data process. A data process
works on data messages and is assumed to have parameterizable input
and output
"""
self.reply_err(msg, "Not yet implemented")
def op_schedule_processing(self, content, headers, msg):
"""
Service operation: Defines processing based on schedule or event
trigger, given a data process and required input and output streams.
"""
self.reply_err(msg, "Not yet implemented")
def op_cancel_processing(self, content, headers, msg):
"""
Service operation: Remove scheduled processing.
"""
self.reply_err(msg, "Not yet implemented")
class RetrieverService(FetcherService):
"""
Preservation service retriever - subclass of ion.services.sa.fetcher
OOI front end for a local DAP server. Uses DAP to talk to locally-running
instance of the DAP server, which is responsible for netcdf->dap
transformation. Any dap server should work that can present netcdf files;
we often use pydap for testing.
Because we rely on the DAP server to do that transformation, this can be
a thin layer of code.
@see ion.services.dm.url_manipulation for the rewrite_url routine and its
unit tests.
"""
declare = BaseService.service_declare(name='retriever',
version='0.0.2',
dependencies=[])
def op_get_url(self, content, headers, msg):
"""
Rewrite the URL, forward the request to the DAP server
"""
src_url = content
new_url = rewrite_url(src_url)
logging.debug('Old url: %s New url: %s' % (src_url, new_url))
# Note that _http_op is inherited fetcher code...
return self._http_op('GET', new_url, msg)
class DataAcquisitionService(BaseService):
"""
Data acquisition service interface.
Data acquisition is the service coordinating the acquisition of samples
packets and external block data for preparation into the ingestion service.
"""
# Declaration of service
declare = BaseService.service_declare(name='data_acquisition',
version='0.1.0',
dependencies=[])
def slc_init(self):
self.irc = InstrumentRegistryClient()
self.dprc = DataProductRegistryClient()
@defer.inlineCallbacks
def op_acquire_block(self, content, headers, msg):
"""
Service operation: Acquire an entire, fully described version of a
data set.
"""
logging.info('op_acquire_block: ' + str(content))
yield self.reply_ok(
msg, {'value': 'op_acquire_block_respond,' + str(content)}, {})
@defer.inlineCallbacks
def op_acquire_message(self, content, headers, msg):
"""
Service operation: Acquire an increment of a data set.
"""
logging.info('op_acquire_message: ' + str(content))
yield self.reply_ok(
msg, {'value': 'op_acquire_message_respond, ' + str(content)}, {})
class DataPubsubRegistryService(registry.BaseRegistryService):
"""
@Brief A very simple registry for Data Pub Sub
@TODO make the interface more specific for different kinds of pubsub objects
Need to specify topic, publisher, subscriber
"""
# Declaration of service
declare = BaseService.service_declare(name='datapubsub_registry',
version='0.1.0',
dependencies=[])
op_clear_registry = registry.BaseRegistryService.base_clear_registry
"""
Service operation: clear registry
"""
op_register = registry.BaseRegistryService.base_register_resource
"""
Service operation: Create or update a pubsub.
"""
op_get = registry.BaseRegistryService.base_get_resource
"""
Service operation: Get pubsub
"""
op_find = registry.BaseRegistryService.base_find_resource
"""
class ResourceRegistryService(registry.BaseRegistryService):
"""
Resource registry service interface
The Resource Registry Service uses an IStore interface to a backend Key
Value Store to store to track version controlled objects. The store will
share a name space and share objects depending on configuration when it is
created. The resource are retrieved as complete objects from the store. The
built-in encode method is used to store and transmit them using the COI
messaging.
"""
# Declaration of service
declare = BaseService.service_declare(name='resource_registry',
version='0.1.0',
dependencies=[])
op_clear_registry = registry.BaseRegistryService.base_clear_registry
op_register_resource_instance = registry.BaseRegistryService.base_register_resource
"""
Service operation: Register a resource instance with the registry.
"""
op_get_resource_instance = registry.BaseRegistryService.base_get_resource
"""
Service operation: Get a resource instance.
"""
op_register_resource_definition = registry.BaseRegistryService.base_register_resource
"""
Service operation: Create or update a resource definition with the registry.
"""
op_get_resource_definition = registry.BaseRegistryService.base_get_resource
"""
Service operation: Get a resource definition.
"""
op_set_resource_lcstate = registry.BaseRegistryService.base_set_resource_lcstate
"""
Service operation: Set a resource life cycle state
"""
op_find_registered_resource_definition_from_resource = registry.BaseRegistryService.base_find_resource
"""
Service operation: Find the registered definition of a resource
"""
op_find_registered_resource_definitions_from_description = registry.BaseRegistryService.base_find_resource
"""
Service operation: find all registered resources which match the attributes of description
"""
op_find_registered_resource_instance_from_instance = registry.BaseRegistryService.base_find_resource
"""
Service operation: Find the registered instances that matches the service class
"""
op_find_registered_resource_instance_from_description = registry.BaseRegistryService.base_find_resource
"""
class PresentationService(BaseService):
"""Presentation service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='presentation_service',
version='0.1.0',
dependencies=[])
def op_present_catalog(self, content, headers, msg):
"""Service operation: TBD
class ProvisionerService(BaseService):
"""Provisioner service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='provisioner', version='0.1.0', dependencies=[])
def op_provision(self, content, headers, msg):
"""Service operation: Provision a taskable resource
"""
def op_terminate(self, content, headers, msg):
"""Service operation: Terminate a taskable resource
class RegistryService(BaseRegistryService):
"""
@Brief Example Registry Service implementation using the base class
"""
# Declaration of service
declare = BaseService.service_declare(name='registry_service', version='0.1.0', dependencies=[])
op_clear_registry = BaseRegistryService.base_clear_registry
op_register_resource = BaseRegistryService.base_register_resource
op_get_resource = BaseRegistryService.base_get_resource
op_get_resource_by_id = BaseRegistryService.base_get_resource_by_id
op_set_resource_lcstate = BaseRegistryService.base_set_resource_lcstate
op_find_resource = BaseRegistryService.base_find_resource
class IdentityRegistryService(BaseRegistryService):
# Declaration of service
declare = BaseService.service_declare(name='identity_service',
version='0.1.0',
dependencies=[])
op_clear_identity_registry = BaseRegistryService.base_clear_registry
op_register_user = BaseRegistryService.base_register_resource
op_update_user = BaseRegistryService.base_register_resource
op_get_user = BaseRegistryService.base_get_resource
op_set_identity_lcstate = BaseRegistryService.base_set_resource_lcstate
op_find_users = BaseRegistryService.base_find_resource
class ServiceRegistryService(registry.BaseRegistryService):
"""
Service registry service interface
@todo a service is a resource and should also be living in the resource registry
"""
# Declaration of service
declare = BaseService.service_declare(name='service_registry',
version='0.1.0',
dependencies=[])
op_clear_registry = registry.BaseRegistryService.base_clear_registry
op_register_service_definition = registry.BaseRegistryService.base_register_resource
"""
Service operation: Register a service definition with the registry.
"""
op_get_service_definition = registry.BaseRegistryService.base_get_resource
"""
Service operation: Get a service definition.
"""
op_register_service_instance = registry.BaseRegistryService.base_register_resource
"""
Service operation: Register a service instance with the registry.
"""
op_get_service_instance = registry.BaseRegistryService.base_get_resource
"""
Service operation: Get a service instance.
"""
op_set_service_lcstate = registry.BaseRegistryService.base_set_resource_lcstate
"""
Service operation: Set a service life cycle state
"""
op_find_registered_service_definition_from_service = registry.BaseRegistryService.base_find_resource
"""
Service operation: Find the definition of a service
"""
op_find_registered_service_definition_from_description = registry.BaseRegistryService.base_find_resource
"""
Service operation: Find service definitions which meet a description
"""
op_find_registered_service_instance_from_service = registry.BaseRegistryService.base_find_resource
"""
Service operation: Find the registered instance that matches the service instance
"""
op_find_registered_service_instance_from_description = registry.BaseRegistryService.base_find_resource
"""
class DataStoreService(BaseService):
"""
Example service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='DataStoreService',
version='0.1.0',
dependencies=[])
def __init__(self, receiver, spawnArgs=None):
"""
@brief Init method for the DataStore Frontend service
@param frontend - an instance of a CAStore Frontend
"""
# Service class initializer. Basic config, but no yields allowed.
self.frontend = spawnArgs['MyFrontend']
BaseService.__init__(self, receiver, spawnArgs)
logging.info('DataStoreService.__init__()')
# @defer.inlineCallbacks
def slc_init(self):
pass
@defer.inlineCallbacks
def op_push(self, content, headers, msg):
logging.info('op_push: ' + str(content) + ', Remote Frontend:' +
self.frontend)
# The following line shows how to reply to a message
yield self.reply_ok(msg)
@defer.inlineCallbacks
def op_pull(self, content, headers, msg):
logging.info('op_pull: ' + str(content) + ', Remote Frontend:' +
self.frontend)
# The following line shows how to reply to a message
yield self.reply_ok(msg)
@defer.inlineCallbacks
def op_clone(self, content, headers, msg):
logging.info('op_clone: ' + str(content) + ', Remote Frontend:' +
self.frontend)
# The following line shows how to reply to a message
yield self.reply_ok(msg)
class InstrumentRegistryService(registry.BaseRegistryService):
"""
Service that provides a registry for instrument devices, types etc.
Based on the BaseRegistryService.
"""
# Declaration of service
declare = BaseService.service_declare(name='instrument_registry',
version='0.1.0',
dependencies=[])
op_clear_instrument_registry = registry.BaseRegistryService.base_clear_registry
"""
Service operation: Clears all records from the instrument registry.
"""
op_register_instrument_instance = registry.BaseRegistryService.base_register_resource
"""
Service operation: Create or update an instrument instance with the registry.
"""
op_register_instrument_type = registry.BaseRegistryService.base_register_resource
"""
Service operation: Create or update an instrument type with the registry.
"""
op_get_instrument_instance = registry.BaseRegistryService.base_get_resource
"""
Service operation: Get a instrument instance.
"""
op_get_instrument_by_id = registry.BaseRegistryService.base_get_resource_by_id
op_get_instrument_type = registry.BaseRegistryService.base_get_resource #changed
"""
Service operation: Get a instrument type.
"""
op_find_instrument_instance = registry.BaseRegistryService.base_find_resource
"""
Service operation: find instrument instances by characteristics
"""
op_find_instrument_type = registry.BaseRegistryService.base_find_resource
"""
class PreservationRegistryService(registry.BaseRegistryService):
"""
@Brief Preservation registry service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='preservation_registry', version='0.1.0', dependencies=[])
op_define_archive = registry.BaseRegistryService.base_register_resource
"""
Service operation: Create or update a archive resource.
"""
op_get_archive = registry.BaseRegistryService.base_get_resource
"""
Service operation: Get an archive resource
"""
op_find_archive = registry.BaseRegistryService.base_find_resource
"""
class IngestionRegistryService(registry.BaseRegistryService):
"""
@Brief Ingestion registry service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='ingestion_registry', version='0.1.0', dependencies=[])
op_define_ingestion_stream = registry.BaseRegistryService.base_register_resource
"""
Service operation: Create or update a ingestion_stream resource.
"""
op_get_ingestion_stream = registry.BaseRegistryService.base_get_resource
"""
Service operation: Get an ingestion_stream resource
"""
op_find_ingestion_stream = registry.BaseRegistryService.base_find_resource
"""
class ComputationPlannerService(BaseService):
"""Provisioner service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='computation_planner',
version='0.1.0',
dependencies=[])
def op_request_computation(self, content, headers, msg):
"""Service operation: Request computation resources
"""
def op_schedule_computation(self, content, headers, msg):
"""Service operation: Request computation with given schedule
"""
def op_set_policy(self, content, headers, msg):
"""Service operation: Sets the policy that influences the planning of
class CoordinatorService(BaseService):
"""
Refactor this into a BaseService that provides dap data on a looping call
Make the url a parameter of the process - one per url...
Brains behind preservation, and also the primary interface.
"""
# Define ourselves for the CC
declare = BaseService.service_declare(name='coordinator',
version='0.1.0',
dependencies=['fetcher'])
def slc_init(self):
"""
Service life cycle state. Initialize service here. Can use yields.
@todo Create instances of clients here for later - fetcher, attr store, etc
"""
logging.debug('Preservation coordinator SLC init')
self.fc = FetcherClient(proc=self)
@defer.inlineCallbacks
def op_get_url(self, content, headers, msg):
"""
@brief Method for proxy - request a (DAP) URL
@param content URL to fetch
@param headers conv-id and reply-to should point to proxy/requester
@param msg Not used
@todo Cache logic - right now just trapdoors all reqs to fetcher
"""
logging.debug('Coordinator forwarding URL request to fetcher')
yield self.fc.forward_get_url(content, headers)
@defer.inlineCallbacks
def op_get_dap_dataset(self, content, headers, msg):
"""
@brief Similar to op_get_url. Fetches an entire DAP dataset.
@param content URL to fetch
@param headers conv-id and reply-to should point to proxy/requester
@param msg Not used
@todo Cache logic - right now just trapdoors all reqs to fetcher
"""
yield self.fc.forward_get_dap_dataset(content, headers)
class DataRegistryService(registry.BaseRegistryService):
"""
@Brief Dataset registry service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='data_registry',
version='0.1.0',
dependencies=[])
op_define_data = registry.BaseRegistryService.base_register_resource
"""
Service operation: Create or update a data resource.
"""
op_get_data = registry.BaseRegistryService.base_get_resource
"""
Service operation: Get data description
"""
op_find_data = registry.BaseRegistryService.base_find_resource
"""
class HostStatusService(BaseService):
"""
Host status interface
"""
# Declaration of service
declare = BaseService.service_declare(name='host_status',
version='0.1.0',
dependencies=[])
def slc_init(self):
self.INTERVAL = 1 # seconds
self.COUNT = 1
self.count = self.COUNT
self.client = xmlrpc.Proxy('http://localhost:9010')
self.lc = task.LoopingCall(self.report)
self.lc.start(self.INTERVAL)
@defer.inlineCallbacks
def report(self):
self.count -= 1
if self.count < 0:
logging.debug('Shutting down host status looping call')
self.lc.stop()
return
logging.debug('Starting report query')
status = yield self.client.callRemote("getStatusString", "all")
logging.debug('Received report')
print status
def isRunning(self):
return self.lc.running
def op_config(self, content, headers, msg):
pass
@defer.inlineCallbacks
def op_sendstatus(self, content, headers, msg):
yield self.reply_ok(msg)
class StateRepositoryService(BaseService):
"""Repository for service state service interface. Service state is
information shared between many processes.
"""
# Declaration of service
declare = BaseService.service_declare(name='state_repository',
version='0.1.0',
dependencies=[])
def op_define_state(self, content, headers, msg):
"""Service operation: Create a new state object (session) or update
an existing one by replacing
"""
def op_update_state(self, content, headers, msg):
"""Service operation: Provide an incremental update to the service state.
"""
def op_retrieve_state(self, content, headers, msg):
"""Service operation: TBD
class AttributeStoreService(store_service.StoreService):
"""
Service to store and retrieve key/value pairs.
The Implementation is in ion.data.backends.store_service
"""
# Declaration of service
declare = BaseService.service_declare(name='attributestore',
version='0.1.0',
dependencies=[])
def __init__(self, receiver, spawnArgs=None):
# Service class initializer. Basic config, but no yields allowed.
BaseService.__init__(self, receiver, spawnArgs)
self.spawn_args['backend_class'] = self.spawn_args.get(
'backend_class',
CONF.getValue('backend_class', default='ion.data.store.Store'))
self.spawn_args['backend_args'] = self.spawn_args.get(
'backend_args', CONF.getValue('backend_args', default={}))
logging.info('AttributeStoreService.__init__()')
class ResponseService(BaseService):
"""Example service implementation
"""
# Declaration of service
declare = BaseService.service_declare(name='responder',
version='0.1.0',
dependencies=[])
def slc_init(self):
pass
@defer.inlineCallbacks
def op_respond(self, content, headers, msg):
logging.info('op_respond: ' + str(content))
obj = dataobject.DataObject.decode(content)
logging.info(obj)
response = obj.encode()
# The following line shows how to reply to a message
yield self.reply_ok(msg, response)
class LoggerService(BaseService):
"""Logger service interface
"""
# Declaration of service
declare = BaseService.service_declare(
name='logger',
version='0.1.0',
dependencies=[]
)
def slc_init(self):
logging.info("LoggingService initialized")
def op_config(self, content, headers, msg):
pass
@defer.inlineCallbacks
def op_logmsg(self, content, headers, msg):
level = content.get('level','info')
logmsg = content.get('msg','#NO MESSAGE#')
# need to do something reasonable with these soon
# lfrom = headers.get('sender','')
# ltime = content.get('logtime')
if level == 'debug':
logserv.debug(logmsg)
elif level == 'info':
logserv.info(logmsg)
elif level == 'warn':
logserv.warn(logmsg)
elif level == 'error':
logserv.error(logmsg)
elif level == 'critical':
logserv.critical(logmsg)
else:
logging.error('Invalid log level: '+str(level))
yield self.reply_ok(msg)
class WorkerProcess(BaseService):
"""Worker process
"""
# Declaration of service
declare = BaseService.service_declare(name='worker',
version='0.1.0',
dependencies=[])
@defer.inlineCallbacks
def slc_init(self):
msg_name = self.spawn_args['service-name']
scope = self.spawn_args['scope']
logging.info("slc_init name received:" + msg_name)
msg_name1 = self.get_scoped_name(scope, msg_name)
logging.info("slc_init name used:" + msg_name1)
workReceiver = Receiver(__name__, msg_name1)
self.workReceiver = workReceiver
self.workReceiver.handle(self.receive)
logging.info("slc_init worker receiver spawning")
id = yield spawn(workReceiver)
logging.info("slc_init worker receiver spawned:" + str(id))
@defer.inlineCallbacks
def op_work(self, content, headers, msg):
yield self._work(content)
yield self.reply(msg, 'result', {'work-id': content['work-id']}, {})
@defer.inlineCallbacks
def _work(self, content):
myid = self.proc_name + ":" + self.receiver.spawned.id.local
workid = str(content['work-id'])
waittime = float(content['work'])
logging.info("worker=" + myid + " job=" + workid + " work=" +
str(waittime))
yield pu.asleep(waittime)
logging.info("worker=" + myid + " job=" + workid + " done at=" +
str(pu.currenttime_ms()))
class TaskableResourceRegistryService(BaseService):
"""Taskable resource registry and definition repository service interface
"""
# Declaration of service
declare = BaseService.service_declare(name='taskable_resource_registry',
version='0.1.0',
dependencies=[])
def op_define_resource(self, content, headers, msg):
"""Service operation: Create or update taskable resource description
"""
def op_find_resource(self, content, headers, msg):
"""Service operation: Create or update taskable resource description
"""
def op_store_resource(self, content, headers, msg):
"""Service operation: Store the definition of a taskable resource, e.g.
source code, virtual machine image (or a pointer to it)
"""
def op_retrieve_resource(self, content, headers, msg):
"""Service operation: Retrieve the definition of a taskable resource
def __init__(self, receiver, spawnArgs=None):
BaseService.__init__(self, receiver, spawnArgs)
logging.info('Fetcher starting')
def __init__(self, receiver, spawnArgs=None):
# Service class initializer. Basic config, but no yields allowed.
BaseService.__init__(self, receiver, spawnArgs)
logging.info("HelloService.__init__()")