[英]gcp trigger dataflow job from composer error
我正在嘗試使用以下代碼從 Composer Airflow DAG 運行數據流作業。
根據代碼,我收到兩種類型的錯誤消息。
請建議如何修復它。
a) 錯誤一:服務賬號eMail時被注釋(#)
# "serviceAccountEmail": "service-7276363xxxxx@cloudcomposer-accounts.iam.gserviceaccount.com",
錯誤:
Error: Required 'compute.subnetworks.get' permission for 'projects/vpc-host/regions/us-central1/subnetworks/sbn-dataflow'
b) 錯誤2:當服務賬號eMail被使用時
"serviceAccountEmail": "service-7276363xxxxx@cloudcomposer-accounts.iam.gserviceaccount.com",
錯誤:
Current user cannot act as service account service-7276363xxxxx@cloudcomposer-accounts.iam.gserviceaccount.com
代碼:
import datetime
from airflow import models
from airflow.contrib.operators.dataflow_operator import DataflowTemplateOperator
from airflow.utils.dates import days_ago
bucket_path = models.Variable.get("bucket_path")
project_id = models.Variable.get("project_id")
gce_zone = models.Variable.get("gce_zone")
default_args = {
"owner": "Airflow",
"start_date": days_ago(1),
"depends_on_past": False,
"dataflow_default_options": {
"project": project_id,
"zone": gce_zone,
"serviceAccountEmail": "service-7276363xxxxx@cloudcomposer-accounts.iam.gserviceaccount.com",
"subnetwork": "https://www.googleapis.com/compute/v1/projects/vpc-host/regions/us-central1/subnetworks/sbn-dataflow",
"tempLocation": bucket_path + "/tmp/",
}
}
with models.DAG(
dag_id="composer_dataflow_dag",
default_args=default_args,
schedule_interval=datetime.timedelta(days=1)
) as dag:
dataflow_template_job = DataflowTemplateOperator(
task_id="dataflow_csv_to_bq",
template="gs://dataflow-templates/latest/GCS_Text_to_BigQuery",
parameters={
"javascriptTextTransformFunctionName": "transformCSVtoJSON",
"javascriptTextTransformGcsPath": bucket_path + "/SCORE_STG.js",
"JSONPath": bucket_path + "/SCORE_STG.json",
"inputFilePattern": bucket_path + "/stg_data.csv",
"outputTable": project_id + ":gcp_stage.SCORE_STG",
"bigQueryLoadingTemporaryDirectory": bucket_path + "/tmp/",
},
dag=dag,
)
您必須使用不同的服務帳戶。請記住,它必須具有對資源的訪問權限。 這應該可以解決這兩個問題。
您可以創建一個服務帳戶來充當工作人員,如角色分配中所述。 即:一名工人和一名管理員。
除此之外,我沒有發現任何不正常的東西。 連參數都正確傳遞了。 供其他用戶參考:
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