def rpc_push_job(exec_id, interface_id, job_id, server_host, port, params_value, server_dir, server_script, return_code,
status, date_format='%Y%m%d', run_date=''):
"""
RPC分发任务
1.替换$date变量
:param exec_id: 执行id
:param interface_id: 任务流id
:param job_id: 任务id
:param server_host: RPC执行服务器域名
:param port: RPC执行服务器端口
:param params_value: 参数值字符串
:param server_dir: 脚本目录
:param server_script: 运行脚本
:param return_code: 状态返回码
:param status: 任务状态
:param date_format: 日期格式
:param run_date: 数据日期
:return:
"""""
try:
# rpc分发任务
client = Connection(server_host, port)
# 任务参数中数据日期变量为T-1
if not run_date:
run_time = (date.today() + timedelta(days=-1)).strftime(date_format)
else:
run_time = run_date
params = params_value.split(',') if params_value else []
client.rpc.event_execute(
exec_id=exec_id,
interface_id=interface_id,
job_id=job_id,
server_dir=server_dir,
server_script=server_script,
return_code=return_code,
params=[item if item != '$date' else run_time for item in params],
status=status
)
client.disconnect()
return ''
except:
err_msg = 'rpc连接异常: host: %s, port: %s' % (server_host, port)
# 添加执行任务详情日志
EventModel.add_event_exec_detail_job(db.etl_db, exec_id, interface_id, job_id, 'ERROR', server_dir,
server_script, err_msg, 3)
# 修改数据库, 分布式锁
with MysqlLock(config.mysql.etl, 'event_lock_%s' % exec_id):
# 修改执行详情表状态[失败]
EventModel.update_event_exec_job_status(db.etl_db, exec_id, interface_id, job_id, 'failed')
# 修改执行任务流状态[失败]
EventModel.update_event_exec_interface_status(db.etl_db, exec_id, interface_id, -1)
# 修改执行主表状态[失败]
EventModel.update_event_execute_status(db.etl_db, exec_id, -1)
log.error(err_msg, exc_info=True)
return err_msg
def get_event_job(event_id, exec_type=1, run_date='', date_format='%Y%m%d'):
"""
事件执行开始方法
1.传入事件id(ftp_event_id)
2.获取事件详情(任务流id, 任务流名称, 数据日期)
3.获取FTP服务器配置(传入ftp_event_id)
4.FTP服务器不存在抛出异常
5.检测FTP服务器连接, 将数据日期替换文件名, 查询文件是否存在
6.不存在退出
7.条件一: 文件存在; 条件二: 未存在当前数据日期的成功执行记录(调度id查询), 执行任务流
8.构造任务流, for任务流列表, return任务流依赖数据结构, 每个dict遍历一遍, 是否存在未for的key,
如果存在(该任务流在之前任务流的数据结构中), 跳过该任务流, 写入数据库, 执行部分同调度触发, 执行成功时修改数据日期到当天
:param event_id: 事件id
:param exec_type: 执行类型: 1.自动, 2.手动
:param run_date: 手动传入$date日期
:param date_format: $date日期格式
:return: None
"""
# 传入日期
if run_date and date_format:
run_time = time.strftime(date_format, time.strptime(run_date, '%Y-%m-%d'))
else:
event_detail = FtpEventModel.get_ftp_event_detail(db.etl_db, event_id)
if event_detail and event_detail['date_time']:
run_time = time.strftime(date_format, time.strptime(event_detail['date_time'], '%Y-%m-%d'))
else:
run_time = time.strftime(date_format, time.localtime())
# 任务流详情
detail_list = EventModel.get_interface_detail_by_ftp_event_id(db.etl_db, event_id)
# 检测是否执行
# 获取FTP服务器配置
ftp_detail = FtpEventModel.get_ftp_detail_by_event_id(db.etl_db, event_id)
# 检测FTP服务器文件是否存在
if isinstance(ftp_detail['ftp_passwd'], bytes):
ftp_detail['ftp_passwd'] = ftp_detail['ftp_passwd'].decode('utf-8', 'ignore')
try:
# FTP连接
if ftp_detail['ftp_type'] == 1:
ftp = FtpLink(ftp_detail['ftp_host'], ftp_detail['ftp_port'], ftp_detail['ftp_user'], ftp_detail['ftp_passwd'])
FtpModel.update_ftp_status(db.etl_db, ftp_detail['ftp_id'], 0)
# 文件名
file_name = time.strftime(ftp_detail['file_name'], time.strptime(ftp_detail['date_time'], '%Y-%m-%d'))
result = ftp.test_file(ftp_detail['data_path'], file_name)
ftp.close()
# SFTP连接
elif ftp_detail['ftp_type'] == 2:
ftp = SftpLink(ftp_detail['ftp_host'], ftp_detail['ftp_port'], ftp_detail['ftp_user'], ftp_detail['ftp_passwd'])
FtpModel.update_ftp_status(db.etl_db, ftp_detail['ftp_id'], 0)
# 文件名
file_name = time.strftime(ftp_detail['file_name'], time.strptime(ftp_detail['date_time'], '%Y-%m-%d'))
result = ftp.test_file(ftp_detail['data_path'], file_name)
ftp.close()
else:
FtpModel.update_ftp_status(db.etl_db, ftp_detail['ftp_id'], 1)
return Response(status=400, msg='FTP服务器类型未知')
except:
FtpModel.update_ftp_status(db.etl_db, ftp_detail['ftp_id'], 1)
return Response(status=400, msg='FTP连接异常')
# 当前数据日期的成功执行记录
success_detail = EventModel.get_event_exec_detail_success(db.etl_db, event_id, ftp_detail['date_time'])
# 文件存在, 未存在当前数据日期的成功执行记录(调度id查询)
if result and not success_detail:
# 执行任务流
pass
else:
return Response(status=400, msg='FTP文件目录不存在')
interface_dag_nodes = {}
# 遍历多个任务流
for detail in detail_list:
# 生成执行任务流前后依赖关系
dag = generate_interface_dag_by_event(detail)
# 生成执行任务流树形关系
tree = generate_interface_tree_by_event(detail)
tree_nodes = [_ for _ in tree.keys()]
# 填充树形节点
for key in set(tree_nodes):
dag[key]['is_tree'] = 1
# 合并
interface_dag_nodes.update(dag)
if not interface_dag_nodes:
return
# 需执行任务流
interface_tree_nodes = {key: value for key, value in interface_dag_nodes.items() if value.get('is_tree', 0) == 1}
# 获取所有任务流的任务详情
job_nodes = {}
for _, item in interface_tree_nodes.items():
jobs = generate_job_dag_by_interface(item['id'])
job_nodes[item['id']] = jobs
# 添加执行主表, 任务流表, 任务表至数据库
exec_id = add_event_exec_record(event_id, interface_dag_nodes, job_nodes, exec_type, run_time, date_format)
# 初始任务流
start_interface = [_ for _, item in interface_tree_nodes.items() if item['level'] == 0]
# 开始执行初始任务流中的任务
flag = False
for curr_interface in start_interface:
start_jobs = job_nodes[curr_interface]
# 任务流中任务为空, 则视调度已完成
if not start_jobs:
flag = True
log.info('事件任务流中任务为空: 事件id: %s, 执行id: %s, 任务流id: %s' % (event_id, exec_id, curr_interface))
# 修改执行任务流[成功]
with MysqlLock(config.mysql.etl, 'event_lock_%s' % exec_id):
EventModel.update_event_exec_interface_status(db.etl_db, exec_id, curr_interface, 0)
else:
# 修改执行任务流[运行中]
with MysqlLock(config.mysql.etl, 'event_lock_%s' % exec_id):
EventModel.update_event_exec_interface_status(db.etl_db, exec_id, curr_interface, 1)
# rpc分发任务
for job in start_jobs:
if job['level'] == 0:
# 修改执行详情表状态[运行中]
with MysqlLock(config.mysql.etl, 'event_lock_%s' % exec_id):
EventModel.update_event_exec_job_status(db.etl_db, exec_id, curr_interface, job['id'],
'running')
log.info('事件分发任务: 执行id: %s, 任务流id: %s, 任务id: %s' % (exec_id, curr_interface, job['id']))
rpc_push_job(exec_id, curr_interface, job['id'], job['server_host'], config.exec.port,
','.join(job['params_value']), job['server_dir'], job['server_script'],
job['return_code'], job['status'], run_date=run_time)
# 继续下一个任务流
if flag:
next_jobs = continue_event_execute_interface(exec_id, exec_type=exec_type, run_date=run_time)
if not next_jobs:
return
for interface_id, item in next_jobs.items():
for job_id in set(item['job_id']):
log.info('分发任务: 执行id: %s, 任务流id: %s, 任务id: %s' % (exec_id, interface_id, job_id))
nodes = item['nodes']
rpc_push_job(exec_id, interface_id, job_id, nodes[job_id]['server_host'],
config.exec.port, nodes[job_id]['params_value'],
nodes[job_id]['server_dir'], nodes[job_id]['server_script'],
nodes[job_id]['return_code'], nodes[job_id]['status'], run_date=run_time)
