Installing FreeIPA in as few lines as possible

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I had this in another post, but I think it is worth its own.

sudo hostnamectl set-hostname --static undercloud.ayoung-dell-t1700.test
export address=`ip -4 addr  show eth0 primary | awk '/inet/ {sub ("/24" ,"" , $2) ; print $2}'`
echo $address `hostname` | sudo tee -a /etc/hosts
sudo yum -y install ipa-server-dns
export P=FreIPA4All
ipa-server-install -U -r `hostname -d|tr "[a-z]" "[A-Z]"` -p $P -a $P --setup-dns `awk '/^name/ {print "--forwarder",$2}' /etc/resolv.conf`

Just make sure you have enough entropy.

De-conflicting Swift-Proxy with FreeIPA

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Port 8080 is a popular port. Tomcat uses it as the default port for unencrypted traffic. FreeIA, installs Dogtag which runs in Tomcat. Swift proxy also chose that port number for its traffic. This means that if one is run on that port, the other cannot. Of the two, it is easier to change FreeIPA, as the port is only used for internal traffic, where as Swift’s port is in the service catalog and the documentation.
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Clearing the Keystone Environment

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If you spend a lot of time switching between different cloud, different users, or even different projects for the same user when working with openstack, you’ve come across the problem where one environment variable from an old sourceing pollutes the current environment.  I’ve been hit by that enough times that I wrote a small script to clear the environment.

I call it clear_os_env
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