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Posted to commits@airflow.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/08/23 15:02:00 UTC

[jira] [Commented] (AIRFLOW-2948) Arg checking & better doc for SSHOperator and SFTPOperator

    [ https://issues.apache.org/jira/browse/AIRFLOW-2948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16590346#comment-16590346 ] 

ASF GitHub Bot commented on AIRFLOW-2948:
-----------------------------------------

XD-DENG opened a new pull request #3793: [AIRFLOW-2948] Arg check & better doc - SSHOperator & SFTPOperator
URL: https://github.com/apache/incubator-airflow/pull/3793
 
 
   Make sure you have checked _all_ steps below.
   
   ### Jira
   
   - [x] My PR addresses the following [Airflow Jira](https://issues.apache.org/jira/browse/AIRFLOW/) issues and references them in the PR title. For example, "\[AIRFLOW-XXX\] My Airflow PR"
     - https://issues.apache.org/jira/browse/AIRFLOW-2948
     - In case you are fixing a typo in the documentation you can prepend your commit with \[AIRFLOW-XXX\], code changes always need a Jira issue.
   
   ### Description
   
   - [x] Here are some details about my PR, including screenshots of any UI changes:
   
   There may be different combinations of arguments, and some processings are being done 'silently', while users may not be fully aware of them.
   
   For example
   - User only needs to provide either `ssh_hook` or `ssh_conn_id`, while this is not clear in doc
   - if both provided, `ssh_conn_id` will be ignored.
   - if `remote_host` is provided, it will replace the `remote_host` which wasndefined in `ssh_hook` or predefined in the connection of `ssh_conn_id`
   
   These should be documented clearly to ensure it's transparent to the users.
   
   log.info() should also be used to remind users and provide clear logs.
   
   ### Tests
   
   - [ ] My PR adds the following unit tests __OR__ does not need testing for this extremely good reason:
   
   ### Commits
   
   - [ ] My commits all reference Jira issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)":
     1. Subject is separated from body by a blank line
     1. Subject is limited to 50 characters (not including Jira issue reference)
     1. Subject does not end with a period
     1. Subject uses the imperative mood ("add", not "adding")
     1. Body wraps at 72 characters
     1. Body explains "what" and "why", not "how"
   
   ### Documentation
   
   - [ ] In case of new functionality, my PR adds documentation that describes how to use it.
     - When adding new operators/hooks/sensors, the autoclass documentation generation needs to be added.
   
   ### Code Quality
   
   - [x] Passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
   

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> Arg checking & better doc for SSHOperator and SFTPOperator
> ----------------------------------------------------------
>
>                 Key: AIRFLOW-2948
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2948
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: operators
>            Reporter: Xiaodong DENG
>            Assignee: Xiaodong DENG
>            Priority: Minor
>
> There may be different combinations of arguments, and some processings are being done 'silently', while users may not be fully aware of them.
>  
>  For example
>  - User only needs to provide either `ssh_hook` or `ssh_conn_id`, while this is not clear in doc
>  - if both provided, `ssh_conn_id` will be ignored.
>  - if `remote_host` is provided, it will replace the `remote_host` which wasndefined in `ssh_hook` or predefined in the connection of `ssh_conn_id`
>  
>  These should be documented clearly to ensure it's transparent to the users.
>  
>  log.info() should also be used to remind users and provide clear logs.



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