Usage of /usr/bin/step-issuer:
  -alsologtostderr
    	log to standard error as well as files
  -disable-approval-check
    	Disables waiting for CertificateRequests to have an approved condition before signing.
  -enable-leader-election
    	Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager.
  -kubeconfig string
    	Paths to a kubeconfig. Only required if out-of-cluster.
  -leader-election-id string
    	The name of the resource that leader election will use for holding the leader lock.
  -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
  -log_link string
    	If non-empty, add symbolic links in this directory to the log files
  -logbuflevel int
    	Buffer log messages logged at this level or lower (-1 means don't buffer; 0 means buffer INFO only; ...). Has limited applicability on non-prod platforms.
  -logtostderr
    	log to standard error instead of files
  -metrics-bind-address string
    	The address the metrics endpoint binds to. Use :8080 for HTTP, or leave as 0 to disable the metrics service. (default "0")
  -stderrthreshold value
    	logs at or above this threshold go to stderr (default 2)
  -v value
    	log level for V logs
  -vmodule value
    	comma-separated list of pattern=N settings for file-filtered logging
  -zap-devel
    	Development Mode defaults(encoder=consoleEncoder,logLevel=Debug,stackTraceLevel=Warn). Production Mode defaults(encoder=jsonEncoder,logLevel=Info,stackTraceLevel=Error)
  -zap-encoder value
    	Zap log encoding (one of 'json' or 'console')
  -zap-log-level value
    	Zap Level to configure the verbosity of logging. Can be one of 'debug', 'info', 'error', 'panic'or any integer value > 0 which corresponds to custom debug levels of increasing verbosity
  -zap-stacktrace-level value
    	Zap Level at and above which stacktraces are captured (one of 'info', 'error', 'panic').
  -zap-time-encoding value
    	Zap time encoding (one of 'epoch', 'millis', 'nano', 'iso8601', 'rfc3339' or 'rfc3339nano'). Defaults to 'epoch'.