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Upgrade Prereq

Upgrade Prerequisites

There are certain prerequisites for upgrading Mirantis OpenStack environment managed by Fuel installer. You need to make sure that all the requirements are met before proceeding with the procedure. This section describes prerequisites and gives a list of commands used to check if the requirements are met.

Versions of Fuel installer and environment

First, you need to check the versions of Fuel installer and the environment you've picked for the upgrade. Version of Fuel must be equal to 7.0. Version of environment must be equal to 6.1. You can check versions using the Fuel Web UI or CLI client to Fuel API.

Configuration of environment

The configuration of the environment picked for the upgrade must comply to the architecture constraints for the upgrade procedure. You can check the applicability of the procedure to your configuration via Fuel Web UI.

Check Upgrade Prerequisites

Pick environment to upgrade

Select an environment to upgrade from the list of environments in Fuel CLI and assign its ID to the ORIG_ID variable.

fuel env
<select from list of environments>
export ORIG_ID=<enter ID of environment here>

Check installer version in Fuel Web UI

Open the Fuel Web UI in your browser, log in and check the version number of Fuel installer in the lower right corner of the page:

image

Check installer version in Fuel CLI

Run the following command on your Fuel Master node to verify the version of the Fuel installer:

fuel release | grep available | grep -o 2015.1-7.0

You must see the following lines in the output:

2015.1-7.0
2015.1-7.0

Check environment version on the Fuel Web UI

Click on the environment you've picked for the upgrade. Check the environment version in the status line above the list of nodes:

image

Check environment version in Fuel CLI

Run the following command on your Fuel Master node to verify the version of the environment you pick for the upgrade:

fuel env | awk -F\| '$1~/'$ORIG_ID'/{print $5}' | tr -d ' ' \
| xargs -I@ bash -c "fuel release | awk -F\| '\$1~/@/{print \$5}'" | tr -d ' '

You must see the following line in the output:

2014.2.2-6.1

Check configuration of environment

You need to open the Fuel Web UI in your browser. Log in, click on the environment you'd like to upgrade and select the Settings tab. Check the following fields and verify they contain the values:

  • Hypervisor type: KVM
  • Ceph RBD for volumes: Enabled
  • Ceph RBD for images: Enabled
  • Ceph RBD for ephemeral volumes: Enabled
  • Ceph RadosGW for objects: Enabled

Navigate to the Networks tab and check the second line after the tab title. It must state Neutron with VLAN segmentation.