Какой-то косяк с репозиториями (возможно)

$ cat /etc/*release
CentOS Linux release 7.1.1503 (Core)
NAME="CentOS Linux"
VERSION="7 (Core)"
...

$ yum repolist
...
repo id                     repo name                                             status
base/7/x86_64               CentOS-7 - Base                                       8,652
epel/x86_64                 Extra Packages for Enterprise Linux 7 - x86_64        8,654
extras/7/x86_64             CentOS-7 - Extras                                       236
puppetlabs-pc1/x86_64       Puppet Labs PC1 Repository el 7 - x86_64                 40
updates/7/x86_64            CentOS-7 - Updates                                    1,540
repolist: 19,122

$ sudo yum install puppetserver
...
========================================================================================
 Package                       Arch     Version                  Repository        Size
========================================================================================
Installing:
 puppet-agent                  x86_64   1.2.7-1.el6              puppetlabs-pc1    32 M
     replacing  facter.x86_64 1:2.4.4-1.el7
     replacing  hiera.noarch 1.3.4-1.el7
 puppetserver                  noarch   2.1.2-1.el6              puppetlabs-pc1    40 M
Installing for dependencies:
 java-1.8.0-openjdk-headless   x86_64   1:1.8.0.65-2.b17.el7_1   updates           31 M

Transaction Summary
========================================================================================
Install  2 Packages (+1 Dependent package)

Total size: 103 M
Total download size: 72 M
Is this ok [y/d/N]: y
Downloading packages:
No Presto metadata available for puppetlabs-pc1
puppet-agent-1.2.7-1.el6.x86_6 FAILED
http://yum.puppetlabs.com/el/7/PC1/x86_64/puppet-agent-1.2.7-1.el6.x86_64.rpm: [Errno 14] HTTP Error 404 - Not Found
Trying other mirror.
puppetserver-2.1.2-1.el6.noarc FAILED
http://yum.puppetlabs.com/el/7/PC1/x86_64/puppetserver-2.1.2-1.el6.noarch.rpm: [Errno 14] HTTP Error 404 - Not Found
Trying other mirror.

...