cluster_name is the name of the cluster.
OK
GetReply represents a response to a get request.
name is the name of the cluster.
cluster_kind is the kind of the cluster.
cluster_type is the type of the cluster.
usage is the usage of the cluster.
host_cluster specifies the host cluster name if the cluster is a virtual cluster.
primary_domain is used to build the domain of components within the cluster.
worker_type maybe pipeline or deployment, when the cluster usage is 'worker', the WorkType is required.
api_server specifies the API server address of the cluster.
// reserved_namespaces_allowed_products key is namespace name, value is the product name list witch can use namespace.
// product_allowed_cluster_resources key is product name, value is the list of cluster resources.