First of all, thank you view my question.

I do Openstack installation follow: https://www.rdoproject.org/install/quickstart/ (https://www.rdoproject.org/install/qu...) Then I got these errors:

10.0.2.15_controller.pp:                             [ DONE ]      
Applying 10.0.2.15_network.pp
10.0.2.15_network.pp:                                [ DONE ]   
Applying 10.0.2.15_compute.pp
10.0.2.15_compute.pp:                             [ ERROR ]     
Applying Puppet manifests                         [ ERROR ]

ERROR : Error appeared during Puppet run: 10.0.2.15_compute.pp
Error: Execution of '/usr/bin/yum -d 0 -e 0 -y install libvirt-daemon-kvm' returned 1: Error downloading packages:

I have piked up these error messages,
cat /var/tmp/packstack/20170424-025335-wqYurx/manifests/10.0.2.15_compute.pp.log

Error: Execution of '/usr/bin/yum -d 0 -e 0 -y install libvirt-daemon-kvm' returned 1: Error downloading packages:
  10:qemu-kvm-ev-2.6.0-28.el7_3.6.1.x86_64: [Errno 256] No more mirrors to try.
Error: /Stage[main]/Nova::Compute::Libvirt::Services/Package[libvirt]/ensure: change from purged to present failed: Execution of '/usr/bin/yum -d 0 -e 0 -y install libvirt-daemon-kvm' returned 1: Error downloading packages:
  10:qemu-kvm-ev-2.6.0-28.el7_3.6.1.x86_64: [Errno 256] No more mirrors to try.
PuppetError: Error appeared during Puppet run: 10.0.2.15_compute.pp
Error: Execution of '/usr/bin/yum -d 0 -e 0 -y install libvirt-daemon-kvm' returned 1: Error downloading packages:

and the error message from /var/spool/mail/root

    From root@localhost.localdomain  Mon Apr 24 03:34:21 2017
    Return-Path: <root@localhost.localdomain>
    X-Original-To: root
    Delivered-To: root@localhost.localdomain
    Received: by localhost.localdomain (Postfix, from userid 0)
            id 0DE2C6128295; Mon, 24 Apr 2017 03:34:21 -0400 (EDT)
    From: Anacron <root@localhost.localdomain>
    To: root@localhost.localdomain
    Content-Type: text/plain; charset="UTF-8"
    Subject: Anacron job 'cron.daily' on localhost.localdomain
    Message-Id: <20170424073421.0DE2C6128295@localhost.localdomain>
    Date: Mon, 24 Apr 2017 03:34:21 -0400 (EDT)

    /etc/cron.daily/logrotate:

error: stat of /var/log/swift/swift.log failed: No such file or directory

Got these new errors:

Applying 10.0.2.15_controller.pp
10.0.2.15_controller.pp:                             [ DONE ]      
Applying 10.0.2.15_network.pp
10.0.2.15_network.pp:                                [ DONE ]   
Applying 10.0.2.15_compute.pp
10.0.2.15_compute.pp:                             [ ERROR ]     
Applying Puppet manifests                         [ ERROR ]

ERROR : Error appeared during Puppet run: 10.0.2.15_compute.pp
Notice: /Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns: OperationalError: (pymysql.err.OperationalError) (1045, u"Access denied for user 'nova'@'10.0.2.15' (using password: YES)")

Error: /Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]: Failed to call refresh: nova-manage  cell_v2 discover_hosts returned 1 instead of one of [0]
Error: /Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]: nova-manage  cell_v2 discover_hosts returned 1 instead of one of [0]