Agent gets a data directory for configuration and working files

Desired Behavior

• The Agent gets a new command line argument -data-directory=, denoting a directory structure similar to JobScheduler Master.

  config/
    private/
      private.conf
      private-https.jks
  logs/
  tmp/
  

• The new folder structure for the Agent is the following:
  • config/private is the folder for the secret informations related to the Agent and the content must be only readable by the Agent.
    • private.conf file contains the secret passwords for the the authentication, see an example on JS-1631.
    • private-https.jks is the Java Keystore with the complete HTTPS certificate (with private and public keys), see JS-1628 for detailed description.

Observations

• Currently, all files are optional. The Agent can be started with an empty data directory. The files in the folder private are required for the use of HTTPS connection.