code: def command(cmd, shell=True, echo=True, suffix=None):
      
  
      if env():
          cij.err("cij.ssh.command: Invalid SSH environment")
          return 1
  
      prefix = []
  
      if cij.ENV.get("SSH_CMD_TIME") == "1":
          prefix.append("/usr/bin/time")
  
      if cij.ENV.get("SSH_CMD_TIMEOUT"):
          prefix.append("timeout")
          prefix.append(cij.ENV.get("SSH_CMD_TIMEOUT"))
  
      prefix.append("ssh")
  
      args = []
  
      if cij.ENV.get("SSH_KEY"):
          args.append("-i")
          args.append(cij.ENV.get("SSH_KEY"))
  
      if cij.ENV.get("SSH_PORT"):
          args.append("-p")
          args.append(cij.ENV.get("SSH_PORT"))
  
      args.append("@".join([cij.ENV.get("SSH_USER"), cij.ENV.get("SSH_HOST")]))
  
      wrapped = prefix + args + ["'%s'" % " ".join(cmd)]
      if suffix:
          wrapped += suffix
  
      return cij.util.execute(wrapped, shell, echo)
docs: SSH: Run the given command over SSH as defined in environment