Gurpartap/cognizant

module Cognizant
  class Process
    module Attributes
      # Unique name for the process.
      # Note: For child processes, this value is set automatically.
      # @return [String]
      attr_accessor :name

      # Group classification for the process.
      # Note: This is not system process group. See `gid` attribute instead.
      # @return [String] Defaults to nil
      attr_accessor :group

      # Whether or not to daemonize the process. It is recommended that
      # cognizant managed your process completely by process not
      # daemonizing itself. Find a non-daemonizing option in your process'
      # documentation.
      # @return [true, false] Defaults to true
      attr_accessor :daemonize

      # Whether or not to auto start the process when beginning monitoring.
      # Afterwards, auto start is automatically managed based on user initiated
      # stop or restart requests.
      # Note: For child processes, this value is automatically set to false.
      # @return [true, false] Defaults to true
      attr_accessor :autostart

      # The command to check the running status of the process with. The exit
      # status of the command is used to determine the status.
      # e.g. "/usr/bin/redis-cli PING"
      # @return [String] Defaults to nil
      attr_accessor :ping_command

      # The command that returns the pid of the process.
      # @return [String] Defaults to nil
      attr_accessor :pid_command

      # The pid lock file for the process. Required when daemonize is set to
      # false.
      # @return [String] Defaults to value of pids_dir/name.pid
      attr_accessor :pidfile

      # The file to log the process' STDOUT stream into.
      # @return [String] Defaults to value of logs_dir/name.log
      attr_accessor :logfile

      # The file to log the daemon's STDERR stream into.
      # @return [String] Defaults to value of logfile
      attr_accessor :errfile

      # Environment variables for process.
      # @return [Hash] Defaults to {}
      attr_accessor :env

      # The chroot directory to change the process' idea of the file system
      # root.
      # @return [String] Defaults to nil
      attr_accessor :chroot

      # The current working directory for the process to start with.
      # @return [String] Defaults to nil
      attr_accessor :chdir

      # Limit the permission modes for files and directories created by the
      # process.
      # @return [Integer] Defaults to nil
      attr_accessor :umask

      # Run the process as the given user.
      # e.g. "deploy", 1000
      # @return [String] Defaults to nil
      attr_accessor :uid

      # Run the process as the given user group.
      # e.g. "deploy"
      # @return [String] Defaults to nil
      attr_accessor :gid

      # Supplementary user groups for the process.
      # e.g. ["staff"]
      # @return [Array] Defaults to []
      attr_accessor :groups

      def daemonize!
        @daemonize = true
      end

      def autostart!
        @autostart = true
      end

      # @private
      def reset_attributes!
        self.name = nil
        self.group = nil
        self.daemonize = true
        self.autostart = false
        self.ping_command = nil
        self.pid_command = nil
        self.pidfile = nil
        self.logfile = nil
        self.errfile = nil
        self.env = {}
        self.chroot = nil
        self.chdir = nil
        self.uid = nil
        self.gid = nil
        self.groups = []
      end
    end
  end
end