airflow/utils/email.py def send_mime_email doesn't take all values from connection

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area:coregood first issuekind:bug

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描述

Apache Airflow version

2.7.1

What happened

When defining an SMTP connection only the user and password are taken from the connection. The host, port, starttls, start_ssl, from_email, timeout and retry are all taken from the configuration and not from the connection. Although the smtp provider (https://airflow.apache.org/docs/apache-airflow-providers-smtp/1.0.0/index.html) provides all these fields.

What you think should happen instead

The following lines should be included in airflow/utils/email.py around line 246:

if conn_id is not None:
    try:
        from airflow.hooks.base import BaseHook

        airflow_conn = BaseHook.get_connection(conn_id)
        smtp_user = airflow_conn.login
        smtp_password = airflow_conn.password
        smtp_host = airflow_conn.host
        smtp_port = airflow_conn.port

        extra = json.loads(airflow_conn.extra)

        smtp_starttls = not extra["disable_tls"]
        smtp_timeout = int(extra["timeout"])
        smtp_retry_limit = int(extra["retry_limit"])
        smtp_ssl = not extra["disable_ssl"]

The from_email should be retrieved from the connection earlier in the call stack.

How to reproduce

Install the SMTP provider: pip install apache-airflow-providers-smtp

Create an SMTP connection in the UI Set the AIRFLOW__EMAIL__EMAIL_CONN_ID environment variable to the connection id of the SMTP connection

Use the EmailOperator (from airflow.operators.email import EmailOperator) in a DAG.

Check the values that are used in send_mime_email.

Operating System

Ubuntu

Versions of Apache Airflow Providers

apache-airflow-providers-smtp==1.3.2

Deployment

Docker-Compose

Deployment details

No response

Anything else