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OpenShift GlusterFS Cluster
===========================
OpenShift GlusterFS Cluster Installation
Requirements
------------
* Ansible 2.2
Host Groups
-----------
The following group is expected to be populated for this role to run:
* `[glusterfs]`
Role Variables
--------------
This role has the following variables that control the integration of a
GlusterFS cluster into a new or existing OpenShift cluster:
| Name | Default value | |
|--------------------------------------------------|-------------------------|-----------------------------------------|
| openshift_storage_glusterfs_timeout | 300 | Seconds to wait for pods to become ready
| openshift_storage_glusterfs_namespace | 'default' | Namespace in which to create GlusterFS resources
| openshift_storage_glusterfs_is_native | True | GlusterFS should be containerized
| openshift_storage_glusterfs_nodeselector | 'storagenode=glusterfs' | Selector to determine which nodes will host GlusterFS pods in native mode
| openshift_storage_glusterfs_image | 'gluster/gluster-centos'| Container image to use for GlusterFS pods, enterprise default is 'rhgs3/rhgs-server-rhel7'
| openshift_storage_glusterfs_version | 'latest' | Container image version to use for GlusterFS pods
| openshift_storage_glusterfs_wipe | False | Destroy any existing GlusterFS resources and wipe storage devices. **WARNING: THIS WILL DESTROY ANY DATA ON THOSE DEVICES.**
| openshift_storage_glusterfs_heketi_is_native | True | heketi should be containerized
| openshift_storage_glusterfs_heketi_image | 'heketi/heketi' | Container image to use for heketi pods, enterprise default is 'rhgs3/rhgs-volmanager-rhel7'
| openshift_storage_glusterfs_heketi_version | 'latest' | Container image version to use for heketi pods
| openshift_storage_glusterfs_heketi_admin_key | '' | String to use as secret key for performing heketi commands as admin
| openshift_storage_glusterfs_heketi_user_key | '' | String to use as secret key for performing heketi commands as user that can only view or modify volumes
| openshift_storage_glusterfs_heketi_topology_load | True | Load the GlusterFS topology information into heketi
| openshift_storage_glusterfs_heketi_url | Undefined | URL for the heketi REST API, dynamically determined in native mode
| openshift_storage_glusterfs_heketi_wipe | False | Destroy any existing heketi resources, defaults to the value of `openshift_storage_glusterfs_wipe`
Dependencies
------------
* os_firewall
* openshift_hosted_facts
* openshift_repos
* lib_openshift
Example Playbook
----------------
```
- name: Configure GlusterFS hosts
hosts: oo_first_master
roles:
- role: openshift_storage_glusterfs
when: groups.oo_glusterfs_to_config | default([]) | count > 0
```
License
-------
Apache License, Version 2.0
Author Information
------------------
Jose A. Rivera (jarrpa@redhat.com)
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