ADDITIONAL_MACHINE_TYPE=${ADDITIONAL_MACHINE_TYPE:-}

# Set etcd image (e.g. registry.k8s.io/etcd) and version (e.g. v3.5.1-0) if you need
# non-default version.
export ETCD_IMAGE=${TEST_ETCD_IMAGE:-}
export ETCD_DOCKER_REPOSITORY=${TEST_ETCD_DOCKER_REPOSITORY:-}
export ETCD_VERSION=${TEST_ETCD_VERSION:-}

# Default Log level for all components in test clusters and variables to override it in specific components.