After installing StarlingX we will get Controller-0, which will be Centos-7. I am trying to install git on controller-0. but end up getting this, Any comments on this?

controller-0:~$ sudo yum install git
Password:
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
platform-base                                                                                                                          | 3.8 kB  00:00:00
platform-updates                                                                                                                       | 3.6 kB  00:00:00
No package git available.
Error: Nothing to do