This section describes scripts that are used in the upgrade process in detail.
Within the main scripts directory there is a upgrade-utilities directory, which contains additional scripts that facilitate the initial upgrade process.
This script controls the overall upgrade process for deployers choosing not to do so manually.
It provides the following environment variables:
The upgrade script also bootstraps OpenStack-Ansible (using bootstrap-ansible.sh) in order to provide the new role dependencies introduced in the Mitaka series.
Upstream decisions influenced the change of some variable names in Newton. This script replaces any instances of these strings in the variable override files matching the pattern /etc/openstack_deploy/user_*.yml. Variable names within comments are updated.
This script creates files of the form VARS_MIGRATED_<filename> and places them in /etc/openstack_deploy.MITAKA. For example, once the script has processed the file /etc/openstack_deploy/user_variables.yml, it creates VARS_MIGRATED_user_variables.yml in /etc/openstack_deploy.MITAKA. This indicates to OpenStack-Ansible to skip this step on successive runs. The script itself does not check for this file.
Called by deploy-config-changes.yml
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