Class: Backup::Database::SQLite

Inherits:
Base
  • Object
show all
Defined in:
lib/backup/database/sqlite.rb

Defined Under Namespace

Classes: Error

Instance Attribute Summary collapse

Attributes inherited from Base

#database_id, #dump_path, #model

Instance Method Summary collapse

Methods included from Config::Helpers

included

Constructor Details

#initialize(model, database_id = nil, &block) ⇒ SQLite

Creates a new instance of the SQLite adapter object



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# File 'lib/backup/database/sqlite.rb', line 18

def initialize(model, database_id = nil, &block)
  super
  instance_eval(&block) if block_given?

  @sqlitedump_utility ||= utility(:sqlitedump)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Backup::Config::Helpers

Instance Attribute Details

#path ⇒ Object

Path to the sqlite3 file



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# File 'lib/backup/database/sqlite.rb', line 10

def path
  @path
end

#sqlitedump_utility ⇒ Object

Path to sqlite utility (optional)



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# File 'lib/backup/database/sqlite.rb', line 14

def sqlitedump_utility
  @sqlitedump_utility
end

Instance Method Details

#perform! ⇒ Object

Performs the sqlitedump command and outputs the data to the specified path based on the ‘trigger’



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# File 'lib/backup/database/sqlite.rb', line 28

def perform!
  super

  dump = "echo '.dump' | #{ sqlitedump_utility } #{ path }"

  pipeline = Pipeline.new
  dump_ext = 'sql'

  pipeline << dump
  if model.compressor
    model.compressor.compress_with do |command, ext|
      pipeline << command
      dump_ext << ext
    end
  end

  pipeline << "cat > '#{ File.join( dump_path , dump_filename) }.#{ dump_ext }'"

  pipeline.run

  if pipeline.success?
    log!(:finished)
  else
    raise Error,
      "#{ database_name } Dump Failed!\n" + pipeline.error_messages
  end
end