Class: Brillo::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/brillo/config.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Config

Returns a new instance of Config.



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# File 'lib/brillo/config.rb', line 5

def initialize(options = {})
  @app_name =               options.fetch(:name)
  @klass_association_map =  options[:explore] || {}
  @compress =               options.fetch(:compress,  true)
  @transfer_config =        Transferrer::Config.new(**options.fetch(:transfer, {}))
  @obfuscations =           parse_obfuscations(options[:obfuscations] || {})
rescue KeyError => e
  raise ConfigParseError, e
end

Instance Attribute Details

#app_name ⇒ Object (readonly)

Returns the value of attribute app_name.



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# File 'lib/brillo/config.rb', line 3

def app_name
  @app_name
end

#compress ⇒ Object (readonly)

Returns the value of attribute compress.



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# File 'lib/brillo/config.rb', line 3

def compress
  @compress
end

#db ⇒ Object (readonly)

Returns the value of attribute db.



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# File 'lib/brillo/config.rb', line 3

def db
  @db
end

#klass_association_map ⇒ Object (readonly)

Returns the value of attribute klass_association_map.



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# File 'lib/brillo/config.rb', line 3

def klass_association_map
  @klass_association_map
end

#obfuscations ⇒ Object (readonly)

Returns the value of attribute obfuscations.



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# File 'lib/brillo/config.rb', line 3

def obfuscations
  @obfuscations
end

#transfer_config ⇒ Object (readonly)

Returns the value of attribute transfer_config.



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# File 'lib/brillo/config.rb', line 3

def transfer_config
  @transfer_config
end

Instance Method Details

#adapter ⇒ Object 



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# File 'lib/brillo/config.rb', line 64

def adapter
  case db["adapter"].to_sym
  when :mysql2
    Adapter::MySQL.new(db)
  when :postgresql
    Adapter::Postgres.new(db)
  else
    raise ConfigParseError, "Unsupported DB adapter #{db["adapter"]}"
  end
end

#add_obfuscation(name, scrubber) ⇒ Object 



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# File 'lib/brillo/config.rb', line 27

def add_obfuscation(name, scrubber)
  Scrubber::SCRUBBERS[name] = scrubber
end

#add_tactic(name, tactic) ⇒ Object 



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# File 'lib/brillo/config.rb', line 31

def add_tactic(name, tactic)
  Scrubber::TACTICS[name] = tactic
end

#app_tmp ⇒ Object 



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# File 'lib/brillo/config.rb', line 35

def app_tmp
  Rails.root.join "tmp"
end

#compressed_dump_path ⇒ Object 



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# File 'lib/brillo/config.rb', line 51

def compressed_dump_path
  app_tmp + compressed_filename
end

#compressed_filename ⇒ Object 



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# File 'lib/brillo/config.rb', line 43

def compressed_filename
  compress ? "#{dump_filename}.gz" : dump_filename
end

#dump_filename ⇒ Object 



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# File 'lib/brillo/config.rb', line 39

def dump_filename
  "#{app_name}-scrubbed.dmp"
end

#dump_path ⇒ Object 



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# File 'lib/brillo/config.rb', line 47

def dump_path
  app_tmp + dump_filename
end

#parse_obfuscations(obfuscations) ⇒ Object

Convert generic cross table obfuscations to symbols so Polo parses them correctly :“my_table.field” => “my_table.field” :my_field => :my_field



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# File 'lib/brillo/config.rb', line 78

def parse_obfuscations(obfuscations)
  obfuscations.each_pair.with_object({}) do |field_and_strategy, hash|
    field, strategy = field_and_strategy
    strategy = strategy.to_sym
    field.to_s.match(/\./) ? hash[field.to_s] = strategy : hash[field] = strategy
  end
end

#transferrer ⇒ Object

TODO support other transfer systems



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# File 'lib/brillo/config.rb', line 60

def transferrer
  Transferrer::S3.new(self)
end

#verify! ⇒ Object 



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# File 'lib/brillo/config.rb', line 15

def verify!
  @obfuscations.each do |field, strategy|
    next if Scrubber::SCRUBBERS[strategy]
    raise ConfigParseError, "Scrub strategy '#{strategy}' not found, but required by '#{field}'"
  end
  @klass_association_map.each do |klass, _|
    next if klass.to_s.camelize.safe_constantize
    raise ConfigParseError, "Class #{klass} not found"
  end
  self
end