Class: BarkestCore::WorkPath

Inherits:
Object
  • Object
show all
Defined in:
app/models/barkest_core/work_path.rb

Overview

This class simply locates a temporary working directory for the application.

By default we shoot for shared memory such as /run/shm or /dev/shm. If those fail, we look to /tmp.

Class Method Summary collapse

Class Method Details

.location ⇒ Object

Gets the temporary working directory location for the application.



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# File 'app/models/barkest_core/work_path.rb', line 15

def self.location
  @location ||=
      begin
        retval = nil
        %w(/run/shm /var/run/shm /dev/shm /tmp).each do |root|
          if Dir.exist?(root)
            retval = try_path(root)
            break if retval
          end
        end
        retval || try_path(Dir.tmpdir)
      end
end

.path_for(filename) ⇒ Object

Gets a path for a specific temporary file.

Raises:

  • (StandardError) 


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# File 'app/models/barkest_core/work_path.rb', line 32

def self.path_for(filename)
  raise StandardError.new('Cannot determine location.') unless location
  location + '/' + filename
end

.system_status_file ⇒ Object

Gets the path to the system status file.

This file is used by long running processes to log their progress.



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# File 'app/models/barkest_core/work_path.rb', line 42

def self.system_status_file
  @system_status_file ||= path_for('system_status')
end