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https://reviews.apache.org/r/40773/
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Review request for Ambari and Dmitro Lisnichenko.


Bugs: AMBARI-14103
    https://issues.apache.org/jira/browse/AMBARI-14103


Repository: ambari


Description
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Steps:  
1\. Identify a new CentOS7 host to be added to an existing HDP cluster  
2\. Turn on firewall on the host as follows:  
yum install -y iptables  
yum install -y iptables-services  
service iptables start

3\. From Ambari UI, go to hosts page - Actions - Add New Hosts  
4\. Specify hostname and key to connect to the host; hit Next  
5\. Open Host Checks screen by clicking the hyperlink to see the warnings

Result:  
"There were no firewalls running"  
Firewall issues (0)

Expected Result:  
Message should display that firewall is running

See attached - Output of iptables related commands from the console of the
CentOS7 host


Diffs
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  ambari-common/src/main/python/ambari_commons/firewall.py e6a1ff9 

Diff: https://reviews.apache.org/r/40773/diff/


Testing
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mvn clean test


Thanks,

Andrew Onischuk

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