Imports github.com/prometheus/client_golang/prometheus github.com/prometheus/client_golang/prometheus/promhttp 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 fmt log net/http os/exec os/user path/filepath regexp strconv strings sync time