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Ala Raddaoui bb662fc2b2 Fixing some typos in documentation

Correcting numbering order in
doc/source/install-guide/app-minorupgrade.rst

Change-Id: Ib4fd0d991d94e3a29bd135ffdcb6ec40cf226214
Closes-Bug: 1543645

2016-02-10 02:48:44 +00:00

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Home OpenStack-Ansible Installation Guide

Appendix C. Minor Upgrades

Upgrades between minor versions of OpenStack-Ansible are handled by simply updating the repository clone to the latest tag, then executing playbooks against the target hosts.

A minor upgrade will typically require the execution of the following:

Change directory into the repository clone root directory
```
# cd /opt/openstack-ansible
```
Update the git remotes
```
# git fetch --all
```
Checkout the latest tag (the below tag is an example)
```
# git checkout 12.0.1
```
Update all the dependent roles to the latest versions
```
# ./scripts/bootstrap-ansible.sh
```
Change into the playbooks directory
```
# cd playbooks
```
Update the Hosts
```
# openstack-ansible setup-hosts.yml
```

Update the Infrastructure

# openstack-ansible -e rabbitmq_upgrade=true \
    setup-infrastructure.yml

Update all OpenStack Services
```
# openstack-ansible setup-openstack.yml
```

Note that if you wish to scope the upgrades to specific OpenStack components then each of the component playbooks may be executed and scoped using groups. For example:

Update only the Compute Hosts

# openstack-ansible os-nova-install.yml --limit nova_compute

Update only a single Compute Host. Note that skipping the 'nova-key' tag is

necessary as the keys on all compute hosts will not be gathered.
```
# openstack-ansible os-nova-install.yml --limit <node-name> \
    --skip-tags 'nova-key'
```

If you wish to see which hosts belong to which groups, the inventory-manage.py script will show all groups and their hosts. For example:

Change directory into the repository clone root directory
```
# cd /opt/openstack-ansible
```
Show all groups and which hosts belong to them
```
# ./scripts/inventory-manage.py -G
```
Show all hosts and which groups they belong to
```
# ./scripts/inventory-manage.py -g
```

You may also see which hosts a playbook will execute against, and which tasks will be executed:

Change directory into the repository clone playbooks directory
```
# cd /opt/openstack-ansible/playbooks
```

See the hosts in the nova_compute group which a playbook will execute against

# openstack-ansible os-nova-install.yml --limit nova_compute \
                                        --list-hosts

See the tasks which will be executed on hosts in the nova_compute group

# openstack-ansible os-nova-install.yml --limit nova_compute \
                                        --skip-tags 'nova-key' \
                                        --list-tasks

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Appendix C. Minor Upgrades

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