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https://issues.apache.org/jira/browse/AMBARI-1725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13841421#comment-13841421
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Trevor McKay commented on AMBARI-1725:
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Okay, I tested this against the following:
Fedora19
RHEL 6.4
RHEL 5.10 (although there are major issues with the Python version unless you
upgrade. I tested the essential code)
openSuse 13.1 (I do not have an SLES and didn't want to register an account)
ubuntu 12.04
See also https://issues.apache.org/jira/browse/AMBARI-3595 which made changes
around the same issue (but left an incorrect warning on some platforms)
This code issues the firewall warning correctly for the above systems. The
classes make it flexible enough that we can easily run whatever command we like
and test the result however we like on any system. In fact, using classes like
this can be a general model for other tasks that ambari-server setup does -- it
could be expanded with factories, etc. Tough to keep all the admin stuff
working on multiple platforms without something like this, I think.
I strongly believe that if we are going to have a warning at all, an effort
should be made to make it correct on every plaform. As a user, when a piece of
software gives me a bad warning I immediately think "I hope it gets everything
else right!" :) Better not to say anything at all than create doubt.
Alternatively, release notes or user install docs could just issue a bold
warning to users that they need to deal with firewall issues, and the software
could be silent.
> Check for iptables in ambari-server.py should use firewalld.service on Fedora
> 18+
> ---------------------------------------------------------------------------------
>
> Key: AMBARI-1725
> URL: https://issues.apache.org/jira/browse/AMBARI-1725
> Project: Ambari
> Issue Type: Bug
> Affects Versions: 1.4.1
> Environment: trunk on F19
> Reporter: Trevor McKay
> Assignee: Trevor McKay
> Priority: Minor
> Attachments: AMBARI-1725.patch
>
>
> ambari-server setup uses "/sbin/service iptables status" to check the
> firewall service and warn the user (with a special case for ubuntu).
> On Fedora 18+, the iptables service has been replaced with firewalld.
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