helm-external-secrets/docs/snippets/barbican-secret-store.yaml

apiVersion: external-secrets.io/v1
kind: SecretStore
metadata:
  name: barbican-backend
  namespace: default
spec:
  provider:
    barbican:
      authURL: "https://keystone.example.com:5000/v3"
      tenantName: "my-project"
      domainName: "default"
      region: "RegionOne"
      auth:
        username:
          secretRef:
            name: "barbican-secret"
            key: "username"
        password:
          secretRef:
            name: "barbican-secret"
            key: "password"