Create CentOS 7 child channel, Spacewalk

Create a new Channel:

Fill the fields!

Channel Name:

spacewalk-client-rhel-7-x86_64

Channel Label:

spacewalk-client-rhel-7-x86_64

Parent Channel:

CentOS 7 Base x86_64

Architecture:

x86_64

Channel Summary:

spacewalk-client-rhel-7-x86_64

Scroll down the page and enter:
GPG key URL:

https://copr-be.cloud.fedoraproject.org/archive/spacewalk/RPM-GPG-KEY-spacewalk-2015

GPG key ID:

B8002DE1

GPG key Fingerprint:

A5FC 508C DD3C C46D 3C3B  4612 DCC9 81CD B800 2DE1

This is the same key from:

curl "https://copr-be.cloud.fedoraproject.org/archive/spacewalk/RPM-GPG-KEY-spacewalk-2015" > /etc/pki/rpm-gpg/RPM-GPG-KEY-spacewalk-2015
cp /etc/pki/rpm-gpg/RPM-GPG-KEY-spacewalk-2015 /var/www/html/pub/RPM-GPG-KEY-spacewalk-2015
gpg --with-fingerprint /etc/pki/rpm-gpg/RPM-GPG-KEY-spacewalk-2015
pub  1024D/B8002DE1 2015-04-17 Spacewalk <spacewalk-devel@redhat.com>
      Key fingerprint = A5FC 508C DD3C C46D 3C3B  4612 DCC9 81CD B800 2DE1

Click [Create Channel] at the end:

Open [Channels] section, go for [Manage Software Channels],
go for [Manage Repositories], click [Create Repository]:

Fill down:
Repository Label:

spacewalk-client-rhel-7-x86_64

Repository URL:

https://copr-be.cloud.fedoraproject.org/results/%40spacewalkproject/spacewalk-2.8-client/epel-7-x86_64/

Click [Create Repository]:

Now open your child channel:

Assing child repository to child channel and press [Update Repositories] button:

Now at the command line execute:

spacewalk-repo-sync -c spacewalk-client-rhel-7-x86_64