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OpenShift Excluder
==================
Manages the excluder packages which add yum and dnf exclusions ensuring that
the packages we care about are not inadvertently updated. See
https://github.com/openshift/origin/tree/master/contrib/excluder
Requirements
------------
None
Inventory Variables
-------------------
| Name | Default Value | Description |
---------------------------------------|----------------------------|----------------------------------------|
| openshift_enable_excluders | True | Enable all excluders |
| openshift_enable_docker_excluder | openshift_enable_excluders | Enable docker excluder. If not set, the docker excluder is ignored. |
| openshift_enable_openshift_excluder | openshift_enable_excluders | Enable openshift excluder. If not set, the openshift excluder is ignored. |
Role Variables
--------------
| Name | Default | Choices | Description |
|-------------------------------------------|---------|-----------------|---------------------------------------------------------------------------|
| r_openshift_excluder_action | enable | enable, disable | Action to perform when calling this role |
| r_openshift_excluder_verify_upgrade | false | true, false | When upgrading, this variable should be set to true when calling the role |
| r_openshift_excluder_package_state | present | present, latest | Use 'latest' to upgrade openshift_excluder package |
| r_openshift_excluder_docker_package_state | present | present, latest | Use 'latest' to upgrade docker_excluder package |
| r_openshift_excluder_service_type | None | | (Required) Defined as openshift.common.service_type e.g. atomic-openshift |
| r_openshift_excluder_upgrade_target | None | | Required when r_openshift_excluder_verify_upgrade is true, defined as openshift_upgrade_target by Upgrade playbooks e.g. '3.6'|
Dependencies
------------
- lib_utils
Example Playbook
----------------
```yaml
- name: Demonstrate OpenShift Excluder usage
hosts: oo_masters_to_config:oo_nodes_to_config
roles:
# Disable all excluders
- role: openshift_excluder
r_openshift_excluder_action: disable
r_openshift_excluder_service_type: "{{ openshift.common.service_type }}"
# Enable all excluders
- role: openshift_excluder
r_openshift_excluder_action: enable
r_openshift_excluder_service_type: "{{ openshift.common.service_type }}"
# Disable all excluders and verify appropriate excluder packages are available for upgrade
- role: openshift_excluder
r_openshift_excluder_action: disable
r_openshift_excluder_service_type: "{{ openshift.common.service_type }}"
r_openshift_excluder_verify_upgrade: true
r_openshift_excluder_upgrade_target: "{{ openshift_upgrade_target }}"
r_openshift_excluder_package_state: latest
r_openshift_excluder_docker_package_state: latest
```
TODO
----
It should be possible to manage the two excluders independently though that's not a hard requirement. However it should be done to manage docker on RHEL Containerized hosts.
License
-------
Apache License, Version 2.0
Author Information
------------------
Scott Dodson (sdodson@redhat.com)
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