aru-trackunit opened a new issue, #28766:
URL: https://github.com/apache/airflow/issues/28766
### Apache Airflow version
2.5.0
### What happened
In order to send logs to s3 bucket after finishing the task, I added a
connection to airflow using cli.
```airflow connections add connection_id_1 --conn-uri
aws://s3/?region_name=eu-west-1&endpoint_url=https%3A%2F%2Fs3.eu-west-1.amazonaws.com```
Then I got a logging warning saying:
[2023-01-06T13:28:39.585+0000] {logging_mixin.py:137} WARNING - <string>:8
DeprecationWarning: Host s3 specified in the connection is not used. Please,
set it on extra['endpoint_url'] instead
Instead I was trying to remove the host from the `conn-uri` I provided but
every attempt to create a connection failed (list of my attempts below):
```airflow connections add connection_id_1 --conn-uri
aws://?region_name=eu-west-1&endpoint_url=https%3A%2F%2Fs3.eu-west-1.amazonaws.com```
```airflow connections add connection_id_1 --conn-uri
aws:///?region_name=eu-west-1&endpoint_url=https%3A%2F%2Fs3.eu-west-1.amazonaws.com```
### What you think should happen instead
I believe there are 2 options:
1. Allow to create connection without defining host
2. Remove the warning log
### How to reproduce
Create an S3 connection using CLI:
```airflow connections add connection_id_1 --conn-uri
aws://s3/?region_name=eu-west-1&endpoint_url=https%3A%2F%2Fs3.eu-west-1.amazonaws.com```
### Operating System
Linux - official airflow image from docker hub apache/airflow:slim-2.5.0
### Versions of Apache Airflow Providers
```
apache-airflow-providers-cncf-kubernetes | 5.0.0 | Kubernetes
apache-airflow-providers-common-sql | 1.3.1 | Common SQL Provider
apache-airflow-providers-databricks | 4.0.0 | Databricks
apache-airflow-providers-ftp | 3.2.0 | File Transfer Protocol (FTP)
apache-airflow-providers-hashicorp | 3.2.0 | Hashicorp including Hashicorp
Vault
apache-airflow-providers-http | 4.1.0 | Hypertext Transfer Protocol (HTTP)
apache-airflow-providers-imap | 3.1.0 | Internet Message Access Protocol
(IMAP)
apache-airflow-providers-postgres | 5.3.1 | PostgreSQL
apache-airflow-providers-sqlite | 3.3.1 | SQLite
```
### Deployment
Official Apache Airflow Helm Chart
### Deployment details
_No response_
### Anything else
This log message is printed every second minute so it is pretty annoying.
### Are you willing to submit PR?
- [X] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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