875c5e4e6e
1. Move minor upgrade content from the install guide to the upgrade guide 2. Revise the overview section to include minor upgrades 3. Restructure the upgrade guide for improved information flow 4. Add configure-keystone.rst to the old install guide that was accidently removed in https://review.openstack.org/#/c/328095/ Change-Id: I602ef4a4f95f5ff46ee9b9eaaaa6ccdfd637d1dc Implements: blueprint osa-install-guide-overhaul
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Scripts
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.
run-upgrade.sh
This script controls the overall upgrade process for deployers choosing not to do so manually.
It provides the following environment variables:
SCRIPTS_PATH- path to the top level scripts directoryMAIN_PATH- openstack_ansible root directory.UPGRADE_PLAYBOOKS- path to the playbooks used in upgrading
The upgrade script also bootstraps OpenStack-Ansible (using
bootstrap-ansible.sh) in order to provide the new role
dependencies introduced in the Mitaka series.
migrate_openstack_vars.py
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
/etc/openstack_deploy.NEWTON/VARS_MIGRATED_file. For
example, once the script has processed the file
/etc/openstack_deploy/user_variables.yml, it creates
/etc/openstack_deploy.NEWTON/VARS_MIGRATED_user_variables.
This indicates to OpenStack-Ansible to skip this step on successive
runs. The script itself does not check for this file.
The variable changes are shown in the following table.
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Called by config-change-playbook