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Chapter 2. Prerequisites


This section discusses channel and repository settings required for deploying Red Hat Enterprise Linux OpenStack Platform 7.

Warning

Although older Red Hat OpenStack repositories are available, you must ensure that your system can no longer access them before installing Red Hat Enterprise Linux OpenStack Platform 7. For example, unsubscribe from or disable the following:
  • Red Hat Enterprise Linux OpenStack Platform 4 (Havana) -- rhel-6-server-openstack-4.0-rpms
  • Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) -- rhel-7-server-openstack-5.0-rpms
  • Red Hat Enterprise Linux OpenStack Platform 6 (Juno) -- rhel-7-server-openstack-6.0-rpms
Packstack registers systems to Red Hat Network using Subscription Manager. You might encounter problems if your systems have already been registered and subscribed to the Red Hat OpenStack channels using RHN Classic.

Note

The Red Hat Common for RHEL Server channel is recommended for use if creating custom Red Hat Enterprise Linux guest images that require cloud-init.
For Red Hat Enterprise Linux 7, run:
# subscription-manager repos --enable=rhel-7-server-rh-common-rpms
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2.1. Configure Content Delivery Network (CDN) Channels

You can install Red Hat Enterprise Linux OpenStack Platform 7 through the Content Delivery Network (CDN). To do so, configure subscription-manager to use the correct channels.
Run the following command to enable a CDN channel:
# subscription-manager repos --enable=[reponame]
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Run the following command to disable a CDN channel:
# subscription-manager repos --disable=[reponame]
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Red Hat Enterprise Linux 7

The following tables outline the channels for Red Hat Enterprise Linux 7.

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Table 2.1.  Required Channels
Channel Repository Name
Red Hat Enterprise Linux 7 Server (RPMS) rhel-7-server-rpms
Red Hat OpenStack 7.0 for Server 7 (RPMS) rhel-7-server-openstack-7.0-rpms
Red Hat Enterprise Linux 7 Server - RH Common (RPMs) rhel-7-server-rh-common-rpms
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Table 2.2.  Optional Channels
Channel Repository Name
Red Hat Enterprise Linux 7 Server - Optional rhel-7-server-optional-rpms
Red Hat Enterprise Linux OpenStack Platform Director

The following tables outline the channels for the Red Hat Enterprise Linux OpenStack Platform Director.

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Table 2.3.  Required Channels
Channel Repository Name
Red Hat Enterprise Linux OpenStack Platform Director 7.0 (RPMs) rhel-7-server-openstack-7.0-director-rpms
Red Hat Enterprise Linux 7 Server (RPMS) rhel-7-server-rpms
Red Hat Software Collections RPMs for Red Hat Enterprise Linux 7 Server rhel-server-rhscl-7-rpms
Images on CDN (Optional) rhel-7-server-openstack-7.0-files
Red Hat Enterprise Linux OpenStack Platform 7.0 Operational Tools rhel-7-server-openstack-7.0-optools-rpms
Disable Channels

The following table outlines the channels you must disable to ensure Red Hat Enterprise Linux OpenStack Platform 7 functions correctly.

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Table 2.4.  Disable Channels
Channel Repository Name
Red Hat CloudForms Management Engine "cf-me-*"
Red Hat CloudForms Tools for RHEL 6 "rhel-6-server-cf-*"
Red Hat Enterprise Virtualization "rhel-6-server-rhev*"
Red Hat Enterprise Linux 6 Server - Extended Update Support "*-eus-rpms"
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