Imports k8s.io/apimachinery/pkg/util/sets k8s.io/klog k8s.io/kops/pkg/apis/kops k8s.io/kops/pkg/util/stringorslice k8s.io/kops/upup/pkg/fi k8s.io/kops/upup/pkg/fi/cloudup/awstasks k8s.io/kops/util/pkg/vfs Standard library imports bytes encoding/json fmt io sort strings