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From "Jonathan Hurley" <jhur...@hortonworks.com>
Subject Re: Review Request 30901: Alerts: WEB type alerts fail in Kerberos secured cluster
Date Thu, 12 Feb 2015 15:01:43 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/30901/#review72158
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ambari-agent/src/main/python/ambari_agent/alerts/web_alert.py
<https://reviews.apache.org/r/30901/#comment118166>

    I'd like to see some more specific error handling for this call. If there is a problem
with curl or invoking a subprocess, we'd want more information that the "Unable to make a
web request" that we alrady had in there.



ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/alerts.json
<https://reviews.apache.org/r/30901/#comment118161>

    Are these correct? In params.py, I see
    
    hdfs-site/dfs.namenode.kerberos.principal
    hdfs-site/dfs.namenode.keytab.file
    
    I don't think I've seen these values before. Can you explain how they are different from
the above ones I listed?



ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/alerts.json
<https://reviews.apache.org/r/30901/#comment118162>

    Are these correct? In params.py, I see
    
    hdfs-site/dfs.datanode.kerberos.principal
    hdfs-site/dfs.datanode.keytab.file
    
    I don't think I've seen these values before. Can you explain how they are different from
the above ones I listed?


- Jonathan Hurley


On Feb. 11, 2015, 6:26 p.m., Yurii Shylov wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/30901/
> -----------------------------------------------------------
> 
> (Updated Feb. 11, 2015, 6:26 p.m.)
> 
> 
> Review request for Ambari, Jonathan Hurley and Srimanth Gunturi.
> 
> 
> Bugs: AMBARI-9586
>     https://issues.apache.org/jira/browse/AMBARI-9586
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> A bunch of alerts for web are failing in secured cluster:
> - App Timeline Web UI
> - Oozie Server Web UI
> - WebHCat Server Status
> - Storm Web UI
> 
> Looks like the reason is that in secured cluster web services require authentification
(401 HTTP code) which causes exception "urllib2.HTTPError: HTTP Error 401: Authentication
required" for common web check:
> {code}
> url_response = urllib2.urlopen(query)
> {code}
> 
> 
> Diffs
> -----
> 
>   ambari-agent/src/main/python/ambari_agent/alerts/base_alert.py 283da9c 
>   ambari-agent/src/main/python/ambari_agent/alerts/web_alert.py f736135 
>   ambari-server/src/main/java/org/apache/ambari/server/state/alert/AlertUri.java 731e41a

>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/alerts.json 7843676

>   ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/alerts.json 6aa7b2c

>   ambari-server/src/main/resources/common-services/OOZIE/4.0.0.2.0/alerts.json 3eae69f

>   ambari-server/src/main/resources/common-services/STORM/0.9.1.2.1/alerts.json 4c4e027

>   ambari-server/src/main/resources/common-services/YARN/2.1.0.2.0/alerts.json 5361bb5

> 
> Diff: https://reviews.apache.org/r/30901/diff/
> 
> 
> Testing
> -------
> 
> Tests ok
> 
> 
> Thanks,
> 
> Yurii Shylov
> 
>


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