Class: PerconaMigrator::ConnectionDetails

Inherits:
Object
  • Object
show all
Defined in:
lib/percona_migrator/connection_details.rb

Overview

Holds the parameters of the DB connection and formats them to string

Instance Method Summary collapse

Constructor Details

#initialize(connection_data) ⇒ ConnectionDetails

Constructor

Parameters:

  • connection (Hash) —

    parametes as used in #establish_conneciton



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# File 'lib/percona_migrator/connection_details.rb', line 8

def initialize(connection_data)
  @connection_data = connection_data
end

Instance Method Details

#database ⇒ String

TODO: Doesn’t the abstract adapter already handle this somehow? Returns the database name. If PERCONA_DB_NAME is passed its value will be used instead

Returns the database name

Returns:

  • (String) 


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# File 'lib/percona_migrator/connection_details.rb', line 27

def database
  ENV.fetch('PERCONA_DB_NAME', connection_data[:database])
end

#password_argument ⇒ String

Returns the password fragment of the details string if a password is passed

Returns:

  • (String) 


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# File 'lib/percona_migrator/connection_details.rb', line 34

def password_argument
  if password.present?
    "-p #{password}"
  else
    ''
  end
end

#to_s ⇒ String

Returns the details formatted as an string to be used with pt-online-schema-change. It follows the mysql client’s format.

Returns:

  • (String) 


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# File 'lib/percona_migrator/connection_details.rb', line 16

def to_s
  @to_s ||= "-h #{host} -u #{user} #{password_argument}"
end