Class: RMyBackup::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/rmybackup/base.rb

Class Method Summary collapse

Class Method Details

.config_set? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rmybackup/base.rb', line 89

def config_set?
  return true if @config
  false
end

.get_config ⇒ Object 



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# File 'lib/rmybackup/base.rb', line 94

def get_config

  #Check to make sure the configuration file has already been loaded
  if not @config
    puts 'No config file has been loaded.'
    exit
  end
  
  @config
end

.load_config(file) ⇒ Object

Load the configuration from the file



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# File 'lib/rmybackup/base.rb', line 5

def load_config(file)

  #Expand the file path
  file = File.expand_path(file)
  
  if not File.exists? file
    puts "Can't load config file: #{file}"
    exit 1
  end

  #Load the YAML file
  @config = YAML::load(File.open(file))

  #Cache the expanded file we read
  @config['file'] = file
  
  #Initialize error array
  @error = Array.new 

  #Command locations
  if @config['gzip_command'].nil?
    @config['gzip_command'] = `which gzip`.chop
  end

  if @config['mysqldump_command'].nil?
    @config['mysqldump_command'] = `which mysqldump`.chop
  end
  

  #Sanitize and check our PUSH options
  if not @config['push'].nil?
    #Turn this into an array, even if there is only one in the config file
    @config['push'] = Array.new << @config['push'] if not @config['push'].kind_of? Array

    #Because we have a push defined, lets find the rsync command
    if @config['rsync_command'].nil?
      @config['rsync_command'] = `which rsync`.chop
    end
    
    @error << "Can't locate rsync command: #{@config['rsync_command']}" unless File.exists? @config['rsync_command']          
  else
    @config['push'] = false
  end
  
  #Check that commands exist
  @error << "Can't locate gzip command: #{@config['gzip_command']}" unless File.exists? @config['gzip_command']
  @error << "Can't locate mysqldump command: #{@config['mysqldump_command']}" unless File.exists? @config['mysqldump_command']
  
  
  #Default the purge settings
  @config['remove_after'] = @config['remove_after'] || false
  @config['only_keep'] = @config['only_keep'] || false


  #Default .my.cnf usage
  @config['use_mycnf_credentials'] = @config['use_mycnf_credentials'] ? true : false

  #Database Config
  @config['username'] = @config['username'] || false
  @config['password'] = @config['password'] || false
  @config['host'] = @config['host'] || false


  #Backup dir validation
  @config['backup_dir'] = File.expand_path @config['backup_dir']
  
  if not File.directory? @config['backup_dir']
    @error << "No Such Backup Directory #{@config['backup_dir']}"
  else
    if not File.writable? @config['backup_dir']
      @error << "Can't write to the backup directory - #{@config['backup_dir']}"
    end
  end

  #See if we've created any errors, if so, display them and exit
  if @error.empty?
    return true
  else
    @error.each {|e| puts "#{e}\n" }
    exit 1
  end

end