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Setting Up the Undercloud

 
Summary

Follow this topic to setting up the undercloud for Contrail Networking deployment with RHOSP 16.1.

Install the Undercloud

Use this example procedure to install the undercloud.

  1. Log in to the undercloud VM from the undercloud KVM host.
  2. Configure the hostname.
  3. Add the hostname to the /etc/hosts file. The following example assumes the management interface is eth0.
  4. Set up the repositories.

    RHEL

  5. Install the Tripleo client.
  6. Copy the undercloud configuration file sample and modify the configuration as required. See Red Hat documentation for information on how to modify that file.
  7. Install the undercloud.
  8. If you are using a satellite for deployment, manually update the hostname and satellite IP addresses in your /etc/hosts/ file.

    To perform this procedure using the VI editor:

    and manually enter your hostname and satellite IP address in the file while using the editor.

    This step ensures that the overcloud deployment is successful later in the procedure.

    You should also perform this step if the overcloud deployment fails later in the procedure and a failed lookup URL message appears on the console as the reason.

    A sample failed lookup URL error message when you experience this issue:.

Perform Post-Install Configuration

  1. Configure a forwarding path between the provisioning network and the external network:
  2. Add the external API interface:
  3. Add the stack user to the docker group:
  4. Manually add the satellite IP address and hostname into the /etc/hosts/ file.