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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AIRFLOW-3410) Remote Host Identification Has Changed Error while using SSHOperator
Date Wed, 28 Nov 2018 00:37:00 GMT

    [ https://issues.apache.org/jira/browse/AIRFLOW-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16701220#comment-16701220
] 

ASF GitHub Bot commented on AIRFLOW-3410:
-----------------------------------------

kaxil opened a new pull request #4249: [AIRFLOW-3410] Add feature to allow Host Key Change
for SSH Op
URL: https://github.com/apache/incubator-airflow/pull/4249
 
 
   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. 
     - https://issues.apache.org/jira/browse/AIRFLOW-3410
   
   
   ### Description
   
   - [x] Here are some details about my PR, including screenshots of any UI changes:
   This PR adds a feature to allow connecting to host (that already has an entry in Known
Host file with different key) that has a new IP. Currently, it fails with `Remote Identification
Changed`.
   
   I have also added documentation on adding extras field to SSH Connection
   
   ![image](https://user-images.githubusercontent.com/8811558/49120570-1293c580-f2a5-11e8-8e0b-ea60e6de7959.png)
   
   ![image](https://user-images.githubusercontent.com/8811558/49120697-aebdcc80-f2a5-11e8-855b-2acb5f238204.png)
   
   
   ### Tests
   
   - [x] My PR adds the following unit tests __OR__ does not need testing for this extremely
good reason:
   
   ### Commits
   
   - [x] 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
   
   - [x] 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 `flake8`
   

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> Remote Host Identification Has Changed Error while using SSHOperator
> --------------------------------------------------------------------
>
>                 Key: AIRFLOW-3410
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-3410
>             Project: Apache Airflow
>          Issue Type: New Feature
>          Components: contrib
>            Reporter: Kaxil Naik
>            Assignee: Kaxil Naik
>            Priority: Minor
>             Fix For: 1.10.2
>
>
> Currently, there is no provision in Airflow's implementation of SSHOperator to disable
Host Checking and use a Null Known Host file to allow connecting to host that has a new IP.



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