Class: Pupistry::Config
- Inherits:
-
Object
- Object
- Pupistry::Config
- Defined in:
- lib/pupistry/config.rb
Overview
Pupistry::Config
Provides loading of configuration.
Class Method Summary collapse
- .find_and_load ⇒ Object
- .load(file) ⇒ Object
-
.which_tar ⇒ Object
Return which tar binary to use.
Class Method Details
.find_and_load ⇒ Object
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# File 'lib/pupistry/config.rb', line 80 def self.find_and_load $logger.debug 'Looking for configuration file in common locations' # If the HOME environmental hasn't been set (which can happen when # running via some cloud user-data/init systems) the app will die # horribly, we should set a HOME path default. unless ENV['HOME'] $logger.warn 'No HOME environmental set, defaulting to /tmp' ENV['HOME'] = '/tmp' end # Locations in order of preference: # settings.yaml (current dir) # ~/.pupistry/settings.yaml # /etc/pupistry/settings.yaml config = '' local_dir = Dir.pwd if File.exist?("#{local_dir}/settings.yaml") config = "#{local_dir}/settings.yaml" elsif File.exist?(File. '~/.pupistry/settings.yaml') config = File. '~/.pupistry/settings.yaml' elsif File.exist?('/usr/local/etc/pupistry/settings.yaml') config = '/usr/local/etc/pupistry/settings.yaml' elsif File.exist?('/etc/pupistry/settings.yaml') config = '/etc/pupistry/settings.yaml' else $logger.error 'No configuration file provided.' $logger.error 'See pupistry help for information on configuration' exit 0 end load(config) end |
.load(file) ⇒ Object
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# File 'lib/pupistry/config.rb', line 16 def self.load(file) $logger.debug "Loading configuration file #{file}" # Load YAML file with minimum safety/basic checks unless File.exist?(file) $logger.fatal 'The configuration file provided does not exist, or cannot be accessed' exit 0 end begin $config = YAML.load(File.open(file), safe: true, raise_on_unknown_tag: true) rescue => ex $logger.fatal 'The supplied file is not a valid YAML configuration file' $logger.debug ex. exit 0 end # Run checks for minimum configuration parameters # TODO: Is there a smarter way of doing this? Maybe a better config parser? begin fail 'Missing general:app_cache' unless defined? $config['general']['app_cache'] fail 'Missing general:s3_bucket' unless defined? $config['general']['s3_bucket'] fail 'Missing general:gpg_disable' unless defined? $config['general']['gpg_disable'] fail 'Missing agent:puppetcode' unless defined? $config['agent']['puppetcode'] rescue => ex $logger.fatal 'The supplied configuration files doesn\'t include the minimum expect configuration parameters' $logger.debug ex. exit 0 end # Make sure cache directory exists, create it otherwise $config['general']['app_cache'] = File.($config['general']['app_cache']).chomp('/') unless Dir.exist?($config['general']['app_cache']) begin FileUtils.mkdir_p($config['general']['app_cache']) FileUtils.chmod(0700, $config['general']['app_cache']) # Generally only the user running Pupistry should have access rescue StandardError => e $logger.fatal "Unable to create cache directory at \"#{$config['general']['app_cache']}\"." raise e end end # Write test file to confirm writability begin FileUtils.touch($config['general']['app_cache'] + '/testfile') FileUtils.rm($config['general']['app_cache'] + '/testfile') rescue StandardError => e $logger.fatal "Unexpected exception when creating testfile in cache directory at \"#{$config['general']['app_cache']}\", is the directory writable?" raise e end # Check if Puppet is available unless system('puppet --version 2>&1 > /dev/null') $logger.fatal "Unable to find an installation of Puppet - please make sure Puppet is installed from either OS package or Gem" exit 0 end end |
.which_tar ⇒ Object
Return which tar binary to use.
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# File 'lib/pupistry/config.rb', line 121 def self.which_tar # Try to use GNU tar if present to work around weird issues with some # versions of BSD tar when using the tar files with GNU tar subsequently. tar = RubyWhich.new.which('gtar').first || RubyWhich.new.which('gnutar').first || 'tar' return tar end |