lib/tasks/instance_id.rake
namespace :instance_id do
desc 'Get the installation identifier'
task :get_installation_identifier => :environment do
identifier = InstallationConfig.find_by(name: 'INSTALLATION_IDENTIFIER')&.value
identifier ||= InstallationConfig.create!(name: 'INSTALLATION_IDENTIFIER', value: SecureRandom.uuid).value
puts identifier
end
end