InstallationState(value)The state of the installed versions of Agones/Kubernetes. See also https://cloud.google.com/game-servers/docs/versions-and-upgrades.
Values: INSTALLATION_STATE_UNSPECIFIED (0): The default value. This value is used if the state is omitted. AGONES_KUBERNETES_VERSION_SUPPORTED (1): The combination of Agones and Kubernetes versions is supported by Google Cloud Game Servers. AGONES_VERSION_UNSUPPORTED (2): The installed version of Agones is not supported by Google Cloud Game Servers. AGONES_KUBERNETES_VERSION_UNSUPPORTED (3): The installed version of Agones is supported by Google Cloud Game Servers, but the installed version of Kubernetes is not recommended or supported by the version of Agones. AGONES_VERSION_UNRECOGNIZED (4): The installed version of Agones is not recognized because the Agones controller's image name does not have a version string reported as {major}.{minor}(.{patch}). KUBERNETES_VERSION_UNRECOGNIZED (5): The server version of Kubernetes cluster is not recognized because the API server didn't return parsable version info on path/version. VERSION_VERIFICATION_FAILED (6): Failed to read or verify the version of Agones or Kubernetes. See version_installed_error_message for details. AGONES_NOT_INSTALLED (7): Agones is not installed.