Imports github.com/prometheus/client_golang/prometheus github.com/prometheus/client_golang/prometheus/promhttp k8s.io/api/core/v1 k8s.io/apimachinery/pkg/apis/meta/v1 k8s.io/client-go/kubernetes k8s.io/client-go/rest k8s.io/client-go/tools/clientcmd Standard library imports encoding/json flag fmt io/ioutil math net/http os path/filepath strconv strings time