datax-admin/app/services/dag.py

from asyncio import current_task
import time
from app import crud, models
from app.utils.send_util import *
from app.utils.utils import get_cmd_parameter
from sqlalchemy.orm import Session
from app.common.hive import hiveDs

def dag_create_job(dag_uuid:str,dag_script: str,db: Session):
    af_task = dag_create_task(dag_script)
    af_job = {
        "tasks": [af_task],
        "name": "调试任务",
        "dependence": [],
        "cron": "None",
        "desc": "调试任务",
        "route_strategy": "",
        "block_strategy": "",
        "executor_timeout": 0,
        "executor_fail_retry_count": 0,
        "trigger_status": 1,
        "job_mode":2,
        "job_type": 0,
        "user_id": 0,
    }
    res = send_post('/jpt/af_job', af_job)
    af_job = res['data']
    crud.create_debug_relation(db,dag_uuid,'debug',af_job['id'])
    return af_job

def dag_create_task(dag_script: str):
    af_task = {
        "name": "调试作业",
        "file_urls": [],
        "script": dag_script,
        "cmd": "",
        "cmd_parameters": "",
        "envs": {},
        "run_image": "",
        "task_type": "sparks",
        "user_id": 0,
    }
    res = send_post('/jpt/af_task', af_task)
    af_task = res['data']
    return af_task

def dag_update_job(dag_uuid:str,dag_script: str, db: Session):
    relation = crud.get_dag_af_id(db, dag_uuid, 'debug')
    af_job_id = relation.af_id
    res = send_get("/jpt/af_job/getOnce",af_job_id)
    old_af_job = res['data']
    old_af_task = old_af_job['tasks'][0]
    af_task = dag_put_task(dag_script,old_af_task)
    af_job = {
        "tasks": [af_task],
        "name": "调试任务",
        "dependence": [],
        "cron": "None",
        "desc": "调试任务",
        "route_strategy": "",
        "block_strategy": "",
        "executor_timeout": 0,
        "executor_fail_retry_count": 0,
        "trigger_status": 1,
    }
    res = send_put('/jpt/af_job', old_af_job['id'], af_job)
    af_job = res['data']
    return af_job


def dag_put_task(dag_script: str,old_af_task):
    af_task = {
        "name": "调试作业",
        "file_urls": [],
        "script": dag_script,
        "cmd": "",
        "cmd_parameters": "",
        "envs": {},
        "run_image": "",
        "task_type": "sparks",
    }
    res = send_put('/jpt/af_task', old_af_task['id'],af_task)
    af_task = res['data']
    return af_task

def dag_job_submit(dag_uuid:str,dag_script: str,db: Session):
    job_relation = crud.get_dag_af_id(db,dag_uuid,'debug')
    af_job = None
    if job_relation is None:
        af_job = dag_create_job(dag_uuid, dag_script, db)
    else:
        af_job = dag_update_job(dag_uuid, dag_script, db)
    current_time = int(time.time())
    send_submit(af_job['id'])
    for i in range(0,11):
        time.sleep(2)
        res = get_job_last_parsed_time(af_job['id'])
        last_parsed_time = res['data']['last_parsed_time']
        if last_parsed_time and current_time < int(last_parsed_time):
            send_execute(af_job['id'])
            print(f"{af_job['id']}<==执行成功==>{last_parsed_time}")
            break
        if i >= 10:
            raise Exception(f"{af_job['id']}==>执行失败")
    return af_job


def get_tmp_table_name(dag_uuid: str, node_id: str, out_pin: str, db: Session):
    relation = crud.get_dag_af_id(db,dag_uuid, 'debug')
    job_id = relation.af_id
    af_job_run = crud.get_airflow_run_once_debug_mode(db,job_id)
    tasks = af_job_run.details['tasks'] if len(af_job_run.details['tasks'])>0 else {}
    task_id = None
    for task in tasks:
        t_id = task.split('_')[0]
        n_id = task.split('_')[1]
        if n_id == node_id:
            task_id = t_id
            break
    if task_id:
        table_name = f'job{job_id}_task{task_id}_subnode{node_id}_output{out_pin}_tmp'
        t_list = hiveDs.list_tables()
        if table_name.lower() not in t_list:
            raise Exception('该节点不存在中间结果')
        return table_name
    else:
        raise Exception('该节点不存在中间结果')