Timeout error during OpenStack installation

While trying to install OpenStack using RDO, following the instructions in the link here , you might face the following timeout error

Applying <IP address>_prescript.pp [ ERROR ]

ERROR : Error appeared during Puppet run: <IP address>_prescript.pp
Error: Command exceeded timeout

The reason for this error, in all probabilities would be the delay in your network, which could be causing the netns component packages to be timed out You can increase the timeout by editing the following file

/usr/lib/python2.6/site-packages/packstack/puppet/modules/packstack/manifests/netns.pp

Add a timeout line in the file

    if $::netns_support != "true" {
        exec { "netns_dependecy_install":
            path => "/usr/bin/",
            command => "yum update -y kernel iputils iproute",
            timeout => 1900,
        }

Now you can retry the installation. It is advisable to use the answer file that is created during the initial installation, otherwise the reinstall would fail

Sample command for doing the reinstall using answer file is

packstack --answer-file=/root/packstack-answers-20140125-195230.txt

replace the text file name with the name of your answer file that was created during the initial installation

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