Add notes for file/flag precedence

2017-06-16 13:45:02 +02:00
parent b4b64e9dc2
commit 0ef468e48b
1 changed files with 14 additions and 1 deletions
@@ -105,6 +105,19 @@ A kubeadm specific [config file](#config-file).  This can be used to specify an
 extended set of options including passing arbitrary command line flags to the
 control plane components.

+**Note**: When providing configuration values using _both_ a configuration file
+and flags, the file will take precedence. For example, if a file exists with:
+
+```yaml
+apiVersion: kubeadm.k8s.io/v1alpha1
+kind: MasterConfiguration
+token: 1234
+```
+
+and the user ran `kubeadm init --config file.yaml --token 5678`,
+the chosen token value will be `1234`.
+
+
 - `--kubernetes-version` (default 'latest') the kubernetes version to initialise

 The **v1.6** version of kubeadm only supports building clusters that are at