Class: Backy::Configuration

Inherits:
Object
  • Object
show all
Defined in:
lib/backy/configuration.rb

Constant Summary collapse

DEFAULTS = 
{
  pg_host: nil,
  pg_port: nil,
  pg_database: nil,
  pg_username: nil,
  pg_password: nil,
  s3_region: nil,
  s3_access_key: nil,
  s3_secret: nil,
  s3_bucket: nil,
  s3_prefix: "./db/dump/",
  app_name: "backy",
  environment: "development",
  use_parallel: false,
  pause_replication: true,
  log_file: "./log/backy.log",
  local_backup_path: nil
}.freeze
CONFIG_FILE_NAME = 
".backyrc"

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configuration

Returns a new instance of Configuration.



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# File 'lib/backy/configuration.rb', line 32

def initialize
  DEFAULTS.each do |key, value|
    instance_variable_set("@#{key}", value)
  end
end

Instance Method Details

#load ⇒ Object 



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# File 'lib/backy/configuration.rb', line 38

def load
  load_config_file

  load_from_env
end

#log_file ⇒ Object 



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# File 'lib/backy/configuration.rb', line 79

def log_file
  @log_file ||= default_log_file
end

#multicore ⇒ Object

Determine if the system is multicore



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# File 'lib/backy/configuration.rb', line 75

def multicore
  @multicore ||= Etc.nprocessors > 1
end

#pause_replication? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/backy/configuration.rb', line 62

def pause_replication?
  pause_replication
end

#pg_url ⇒ Object 



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# File 'lib/backy/configuration.rb', line 54

def pg_url
  @pg_url ||= ENV["PG_URL"]
end

#pg_url=(url) ⇒ Object 



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# File 'lib/backy/configuration.rb', line 44

def pg_url=(url)
  @pg_url = url
  pg_config = parse_postgres_uri(url)
  @pg_host = pg_config[:host]
  @pg_port = pg_config[:port]
  @pg_username = pg_config[:username]
  @pg_password = pg_config[:password]
  @pg_database = pg_config[:database_name]
end

#pigz_installed ⇒ Object

Detect if pigz binary is available If it is, use it to speed up the dump pigz is a parallel gzip implementation zlib.net/pigz/



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# File 'lib/backy/configuration.rb', line 70

def pigz_installed
  @pigz_installed ||= system("which pigz > /dev/null 2>&1")
end

#use_parallel? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/backy/configuration.rb', line 58

def use_parallel?
  use_parallel && pigz_installed && multicore
end