Alexandra afc9ec9815 Docs: Appendix section - cleanup

As per discussion in the OSA docs summit session, clean up
of installation guide. This fixes typos, minor RST mark up
changes, and passive voice.

Change-Id: I6db03286dddb87218ceb8b6c0ee1ead9705151bf

2016-05-03 11:07:10 +00:00

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Home OpenStack-Ansible Installation Guide

Appendix E: Using PLUMgrid Neutron plugin

Installing source and host networking

Clone the PLUMgrid ansible repository under the /opt/ directory:
```
# git clone -b TAG https://github.com/plumgrid/plumgrid-ansible.git /opt/plumgrid-ansible
```
Replace ``TAG`` with the current stable release tag.
PLUMgrid will take over networking for the entire cluster. The bridges br-vxlan and br-vlan only need to be present to avoid relevant containers from erroring out on infra hosts. They do not need to be attached to any host interface or a valid network.
PLUMgrid requires two networks: a Management and a Fabric network. Management is typically shared via the standard br-mgmt and Fabric must be specified in the PLUMgrid configuration file described below. The Fabric interface must be untagged and unbridged.

Neutron configurations

To setup the neutron configuration to install PLUMgrid as the core neutron plugin, create a user space variable file /etc/openstack_deploy/user_pg_neutron.yml and insert the following parameters.

Set the neutron_plugin_type parameter to plumgrid:

# Neutron Plugins
neutron_plugin_type: plumgrid

In the same file, disable the installation of unnecessary neutron-agents in the neutron_services dictionary, by setting their service_en parameters to False:
```
neutron_metering: False
neutron_l3: False
neutron_lbaas: False
neutron_lbaasv2: False
neutron_vpnaas: False
```

PLUMgrid configurations

On the deployment host, create a PLUMgrid user variables file using the sample in /opt/plumgrid-ansible/etc/user_pg_vars.yml.example and copy it to /etc/openstack_deploy/user_pg_vars.yml. You must configure the following parameters.

Replace PG_REPO_HOST with a valid repo URL hosting PLUMgrid packages:
```
plumgrid_repo: PG_REPO_HOST
```
Replace INFRA_IPs with comma separated Infrastructure Node IPs and PG_VIP with an unallocated IP on the management network. This will be used to access the PLUMgrid UI:
```
plumgrid_ip: INFRA_IPs
pg_vip: PG_VIP
```
Replace FABRIC_IFC with the name of the interface that will be used for PLUMgrid Fabric.

Note

PLUMgrid Fabric must be an untagged unbridged raw interface such as eth0.
```
fabric_interface: FABRIC_IFC
```
Fill in the fabric_ifc_override and mgmt_override dicts with node hostname: interface_name to override the default interface names.
Obtain a PLUMgrid License file, rename to pg_license and place it under /var/lib/plumgrid/pg_license on the deployment host.

Gateway Hosts

PLUMgrid-enabled OpenStack clusters contain one or more gateway nodes that are used for providing connectivity with external resources, such as external networks, bare-metal servers, or network service appliances. In addition to the Management and Fabric networks required by PLUMgrid nodes, gateways require dedicated external interfaces referred to as gateway_devs in the configuration files.

Add a gateway_hosts section to /etc/openstack_deploy/openstack_user_config.yml:
```
gateway_hosts:
  gateway1:
    ip: GW01_IP_ADDRESS
  gateway2:
    ip: GW02_IP_ADDRESS
```
Replace *_IP_ADDRESS with the IP address of the br-mgmt container management bridge on each Gateway host.
Add a gateway_hosts section to the end of the PLUMgrid user_pg_vars.yml file:

Note

This must contain hostnames and gateway_dev names for each gateway in the cluster.
```
gateway_hosts:
 - hostname: gateway1
   gateway_devs:
   - eth3
   - eth4
```

Installation

Run the PLUMgrid playbooks (do this before the openstack-setup.yml playbook is run):

# cd /opt/plumgrid-ansible/plumgrid_playbooks
# openstack-ansible plumgrid_all.yml

Note

Contact PLUMgrid for an Installation Pack: info@plumgrid.com This includes a full trial commercial license, packages, deployment documentation, and automation scripts for the entire workflow described above.

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