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Scott Dodson
2018-06-11 10:51:43 -04:00
parent 283c021adb
commit 9546ecb284
1 changed files with 8 additions and 6 deletions
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README.md
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@@ -95,10 +95,12 @@ sudo ansible-playbook -i inventory/hosts.localhost playbooks/prerequisites.yml
sudo ansible-playbook -i inventory/hosts.localhost playbooks/deploy_cluster.yml
```
## Node Group Definition and Mapping
In 3.10 and newer all members of the [nodes] inventory group must be assigned a
In 3.10 and newer all members of the [nodes] inventory group must be assigned an
`openshift_node_group_name`. This value is used to select the configmap that
configures each node. By default there are three node groups defined
`node-config-master` `node-config-infra` `node-config-compute`.
`node-config-master` `node-config-infra` `node-config-compute`. It's important
to note that the configmap is also the authoritative definition of node labels,
the old `openshift_node_labels` value is effectively ignored.
The default set of node groups is defined in
[roles/openshift_facts/defaults/main.yml] like so
@@ -119,10 +121,10 @@ openshift_node_groups:
edits: []
```
When configuring this in the INI based inventory this must be translated into
JSON. Here's an example of a group named `node-config-all-in-one` which is
suitable for an All-In-One installation with kubeletArguments.pods-per-core set
to 20
When configuring this in the INI based inventory this must be translated into a
Python dictionary. Here's an example of a group named `node-config-all-in-one`
which is suitable for an All-In-One installation with
kubeletArguments.pods-per-core set to 20
```
openshift_node_groups=[{'name': 'node-config-all-in-one', 'labels': ['node-role.kubernetes.io/master=true', 'node-role.kubernetes.io/infra=true', 'node-role.kubernetes.io/compute=true'], 'edits': [{ 'key': 'kubeletArguments.pods-per-core','value': ['20']}]}]