openstack/openstack-ansible
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openstack-ansible/doc/source/developer-docs/ops-addcomputehost.rst
daz bdb856c8fe [docs] Migrate ops and appendix content 
1. Migrate Ops chapter and tips and tricks appendix to developer docs
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Change-Id: I4070f02b75a8f9614545be0744e63ba76a3b49e2
Implements: blueprint osa-install-guide-overhaul
2016-06-17 10:13:27 +10:00

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Home OpenStack-Ansible Installation Guide

Adding a compute host

Use the following procedure to add a compute host to an operational cluster.

  1. Configure the host as a target host. See Chapter 3, *Target hosts* for more information.

  2. Edit the /etc/openstack_deploy/openstack_user_config.yml file and add the host to the compute_hosts stanza.

    If necessary, also modify the used_ips stanza.

  3. If the cluster is utilizing Telemetry/Metering (Ceilometer), edit the /etc/openstack_deploy/conf.d/ceilometer.yml file and add the host to the metering-compute_hosts stanza.

  4. Run the following commands to add the host. Replace NEW_HOST_NAME with the name of the new host.

    # cd /opt/openstack-ansible/playbooks
# openstack-ansible setup-hosts.yml --limit NEW_HOST_NAME
# openstack-ansible setup-openstack.yml --skip-tags nova-key-distribute --limit NEW_HOST_NAME
# openstack-ansible setup-openstack.yml --tags nova-key --limit compute_hosts