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node_labels documentation + kube-ingress label handling as role_node_label

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Erwan Miran 2018-03-31 00:30:42 +02:00
parent 887a468d32
commit 8ece922ef0
2 changed files with 8 additions and 2 deletions
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8
docs/vars.md
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@ -119,7 +119,13 @@ Stack](https://github.com/kubernetes-incubator/kubespray/blob/master/docs/dns-st
cgroup-driver option for Kubelet. By default autodetection is used
to match Docker configuration.
* *node_labels* - Labels applied to nodes via kubelet --node-labels parameter.
For example, labels can be set in the inventory as variables or more widely in group_vars
For example, labels can be set in the inventory as variables or more widely in group_vars.
*node_labels* must be defined as a dict:
```
node_labels:
label1_name: label1_value
label2_name: label2_value
```
##### Custom flags for Kube Components
For all kube components, custom flags can be passed in. This allows for edge cases where users need changes to the default deployment that may not be applicable to all deployments. This can be done by providing a list of flags. Example:

2
roles/kubernetes/node/templates/kubelet.standard.env.j2
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@ -88,7 +88,7 @@ KUBELET_HOSTNAME="--hostname-override={{ kube_override_hostname }}"
{% do role_node_labels.append('node-role.kubernetes.io/node=true') %}
{% endif %}
{% elif inventory_hostname in groups['kube-ingress']|default([]) %}
{% set node_labels %}--node-labels=node-role.kubernetes.io/ingress=true{% endset %}
{% do role_node_labels.append('node-role.kubernetes.io/ingress=true') %}
{% else %}
{% do role_node_labels.append('node-role.kubernetes.io/node=true') %}
{% endif %}