ods_asin_weight.py

"""
   @Author      : HuangJian
   @Description : 各站点asin重量解析表
   @SourceTable : us_asin_weight_2023
   @SinkTable   : ods_asin_weight
   @CreateTime  : 2022/05/23 09:55
   @UpdateTime  : 2022/05/23 09:55
"""

import os
import sys

sys.path.append(os.path.dirname(sys.path[0]))
from utils.ssh_util import SSHUtil
from utils.db_util import DBUtil
from utils.common_util import CommonUtil
from utils.common_util import DateTypes
from utils.hdfs_utils import HdfsUtils
from utils.spark_util import SparkUtil


if __name__ == '__main__':
    site_name = CommonUtil.get_sys_arg(1, None)
    date_type = CommonUtil.get_sys_arg(2, None)
    date_info = CommonUtil.get_sys_arg(3, None)
    assert site_name is not None, "site_name 不能为空！"
    assert date_type is not None, "date_type 不能为空！"
    assert date_info is not None, "date_info 不能为空！"
    # 该表现在为月同步表，因此增加月类型校验
    assert date_type == DateTypes.week.name, "date_type类型不对，应为week"

    # 日期拆分
    d1, d2 = CommonUtil.split_month_week_date(date_type, date_info)
    d2_str = f'0{d2}' if int(d2) < 10 else f'{d2}'
    # 此表在pg库
    import_table = f"{site_name}_asin_weight_{d1}_{d2_str}"
    db_type = 'postgresql'


    # 创建ssh Client对象--用于执行cmd命令
    client = SSHUtil.get_ssh_client()

    # 清洗脚本sh
    clean_weight_sh = f"/opt/module/anaconda3/envs/pyspark/bin/python /opt/module/spark-3.2.0-bin-hadoop3.2/demo/py_demo/clean/clean_weight.py {site_name} {d1} {d2}"
    # 执行清洗脚本
    SSHUtil.exec_command_async(client, clean_weight_sh, ignore_err=False)


    hive_table = f"ods_asin_weight"
    partition_dict = {
        "site_name": site_name,
        "date_type": date_type,
        "date_info": date_info
    }

    # 落表路径校验
    hdfs_path = CommonUtil.build_hdfs_path(hive_table, partition_dict=partition_dict)
    print(f"hdfs_path is {hdfs_path}")



    sql_query = f"""
                    select 
                     id,
                     asin,
                     weight_str,
                     weight,
                     weight_type,
                     created_at,
                     updated_at
                    from {import_table} 
                    where 1=1
                    and \$CONDITIONS
                    """

    # 进行schema和数据校验
    if site_name not in ('fr', 'it', 'es'):
        CommonUtil.check_schema_before_import(db_type=db_type,
                                              site_name=site_name,
                                              query=sql_query,
                                              hive_tb_name=hive_table,
                                              msg_usr=['chenyuanjie'])

    # 生成导出脚本
    import_sh = CommonUtil.build_import_sh(site_name=site_name,
                                           db_type=db_type,
                                           query=sql_query,
                                           hdfs_path=hdfs_path)
    # 导入前先删除原始hdfs数据
    HdfsUtils.delete_hdfs_file(hdfs_path)

    SSHUtil.exec_command_async(client, import_sh, ignore_err=False)
    # 创建lzo索引和修复元数据
    CommonUtil.after_import(hdfs_path=hdfs_path, hive_tb=hive_table)
    # 关闭链接
    client.close()