Usage of /usr/bin/controller:
  -add_dir_header
    	If true, adds the file directory to the header of the log messages
  -alsologtostderr
    	log to standard error as well as files (no effect when -logtostderr=true)
  -cluster string
    	Defaults to the current cluster in kubeconfig.
  -disable-ha
    	Whether to disable high-availability functionality for this component.  This flag will be deprecated and removed when we have promoted this feature to stable, so do not pass it without filing an issue upstream!
  -kube-api-burst int
    	Maximum burst for throttle.
  -kube-api-qps float
    	Maximum QPS to the server from the client.
  -kubeconfig string
    	Path to a kubeconfig. Only required if out-of-cluster.
  -log_backtrace_at value
    	when logging hits line file:N, emit a stack trace
  -log_dir string
    	If non-empty, write log files in this directory (no effect when -logtostderr=true)
  -log_file string
    	If non-empty, use this log file (no effect when -logtostderr=true)
  -log_file_max_size uint
    	Defines the maximum size a log file can grow to (no effect when -logtostderr=true). Unit is megabytes. If the value is 0, the maximum file size is unlimited. (default 1800)
  -logtostderr
    	log to standard error instead of files (default true)
  -one_output
    	If true, only write logs to their native severity level (vs also writing to each lower severity level; no effect when -logtostderr=true)
  -server string
    	The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.
  -skip_headers
    	If true, avoid header prefixes in the log messages
  -skip_log_headers
    	If true, avoid headers when opening log files (no effect when -logtostderr=true)
  -stderrthreshold value
    	logs at or above this threshold go to stderr when writing to files and stderr (no effect when -logtostderr=true or -alsologtostderr=true) (default 2)
  -v value
    	number for the log level verbosity
  -vmodule value
    	comma-separated list of pattern=N settings for file-filtered logging