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Configure Userpass Auth Method for Vault Server

In Vault operator, usually Vault connection information are handled by AppBinding. For Userpass authentication, it has to be enabled and configured in Vault. To perform it,

  • You have to specify spec.secret in the AppBinding.

  • The type of the specified secret must be kubernetes.io/basic-auth.

  • The specified secret data must have the following key:

    • Secret.Data["username"] : Required. Specifies the username used for authentication.
    • Secret.Data["password"] : Required. Specifies the password used for authentication.
  • The specified secret annotation can have the following key:

    • Secret.Annotations["kubevault.com/auth-path"] : Optional. Specifies the path where userpass auth is enabled in Vault. If userpass auth is enabled in different path (not userpass), then you have to specify it.
  • The specified secret must be in AppBinding’s namespace.

Sample AppBinding and Secret is given below:

apiVersion: appcatalog.appscode.com/v1alpha1
kind: AppBinding
metadata:
  name: vault-app
  namespace: demo
spec:
  secret:
    name: userpass-cred
  clientConfig:
    service:
      name: vault
      scheme: HTTPS
      port: 8200
    caBundle: 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
apiVersion: v1
data:
  username: cm9vdA==
  password: cm9vdA==
kind: Secret
metadata:
  name: userpass-cred
  namespace: demo
  annotations:
    kubevault.com/auth-path: my-userpass
type: kubernetes.io/basic-auth