flag.StringVar(&Env.HostType,"host_type","localhost","Host were tests are run eg - localhost,GCE or AWS")
flag.StringVar(&Env.RookImageName,"rook_image","rook/rook","Docker image name for the rook container to install, must be in docker hub or local environment")
flag.StringVar(&Env.ToolboxImageName,"toolbox_image","rook/toolbox","Docker image name of the toolbox container to install, must be in docker hub or local environment")
flag.StringVar(&Env.SkipInstallRook,"skip_install_rook","false","Indicate if Rook need to installed - false if tests are being running at Rook that is pre-installed")
flag.IntVar(&Env.LoadConcurrentRuns,"load_parallel_runs",20,"number of routines for load test")
flag.IntVar(&Env.LoadVolumeNumber,"load_volumes",1,"number of volumes(file,object or block) to be created for load test")
flag.IntVar(&Env.LoadTime,"load_time",1800,"number of seconds each thread perform operations for")