def deploy_workflow(self, process_id, definition, channel=None):
stub = gateway_pb2_grpc.GatewayStub(channel)
workflow = gateway_pb2.WorkflowRequestObject(
name=process_id,
type=gateway_pb2.WorkflowRequestObject.BPMN,
definition=definition)
return [
stub.DeployWorkflow(
gateway_pb2.DeployWorkflowRequest(workflows=[workflow]))
]
def job_iterator(self,
_type,
worker_name,
timeout=30,
max=1,
channel=None):
stub = gateway_pb2_grpc.GatewayStub(channel)
activate_jobs_response = stub.ActivateJobs(
gateway_pb2.ActivateJobsRequest(type=_type,
worker=worker_name,
timeout=timeout,
maxJobsToActivate=max))
for response in activate_jobs_response:
for job in response.jobs:
yield ZeebeJob(stub, job)
def startWorkflowInstances(numberOfInstances, payload):
print("## Start Workflow Instances ")
start = timer()
file = open('payloads/payload-' + payload + '.json', 'r')
payload = file.read()
with grpc.insecure_channel("localhost:26500") as channel:
stub = gateway_pb2_grpc.GatewayStub(channel)
for i in range(0, numberOfInstances):
stub.CreateWorkflowInstance(
gateway_pb2.CreateWorkflowInstanceRequest(
bpmnProcessId='ping-pong',
version=-1,
variables=payload.replace('RANDOM', str(uuid.uuid1()))))
print("Started workflows instances: " +
str(timedelta(seconds=timer() - start)))
def create_instance(self,
process_id,
variables=None,
version=1,
channel=None):
stub = gateway_pb2_grpc.GatewayStub(channel)
res = stub.CreateWorkflowInstance(
gateway_pb2.CreateWorkflowInstanceRequest(
bpmnProcessId=process_id,
version=version,
variables=json.dumps(variables)
if variables else json.dumps({})))
# make object json serializable
return [{
k: getattr(res, k)
for k in
['bpmnProcessId', 'version', 'workflowInstanceKey', 'workflowKey']
}]
# 使用cursor()方法获取操作游标
cursor = db.cursor()
# SQL 插入语句
sql = "INSERT INTO tab_productinfo\
(Guid_product, Product_name, Operation_name, Operation_machine_name, Operation_machine_ID) \
VALUES('%s', '%s', '%s', '%s', '%s')" % \
(productID_str[target_index_result], product_str[target_index_result], \
process_str[target_index_result], resource_str[target_index_result], resourceID_str[target_index_result])
try:
# 执行sql语句
cursor.execute(sql)
# 执行sql语句
db.commit()
except:
# 发生错误时回滚
db.rollback()
# 关闭数据库连接
db.close()
return 0
while True:
with grpc.insecure_channel(ZEEBE_GATEWAY) as channel:
stub = gateway_pb2_grpc.GatewayStub(channel)
for jobResponse in stub.ActivateJobs(gateway_pb2.ActivateJobsRequest(type = 'payment-service', worker = 'ppr-client', timeout = 10000, maxJobsToActivate = 32)):
for job in jobResponse.jobs:
print(job)
PPR_main()
stub.CompleteJob(gateway_pb2.CompleteJobRequest(jobKey = job.key))
def get_topology(self, channel=None):
stub = gateway_pb2_grpc.GatewayStub(channel)
topology = stub.Topology(gateway_pb2.TopologyRequest())
return [topology]
def __init__(self):
channel = grpc.insecure_channel("%s:%s" % (ZEEBE_HOST, ZEEBE_PORT))
self.stub = gateway_pb2_grpc.GatewayStub(channel)