OpenStack - Error: Execution of '/usr/bin/yum -d 0 -e 0 -y install openstack-keystone' returned 1: Error: Package: python2-pyngus-2.3.0-1.el7.noarch

This topic we are installing openstack train /queen version in CentOS7 using packstack, but we are getting below error during the installation.

ERROR : 

Error appeared during Puppet run: 10.0.2.15_controller.pp

Error: Execution of '/usr/bin/yum -d 0 -e 0 -y install openstack-keystone' returned 1: Error: Package: python2-pyngus-2.3.0-1.el7.noarch (epel)

Cases:

openstack-keystone package require dependent  python2-pyngus-x.x.x.-1.el7.noarch and its trying to install latest version from EPEL repository and in openstack repository it has old version. 

  Requires: python2-qpid-proton >= 0.28.0

           Available: python2-qpid-proton-0.26.0-2.el7.x86_64 (openstack-train)

Checked Rpm version 

Solution:

Disable EPEL and Other repository  which is not require to install openstack

cd /etc/yum.repo.d

vi epel.repo

We can set enabled=0 for disable the repository 

Enjoy!! Now you can try again  hope it will installed 

Thanks you !! 

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