Class: Arrival::ConnectionDetails

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

Overview

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

Constant Summary collapse

DEFAULT_PORT = 
3306

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/arrival/connection_details.rb', line 9

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/arrival/connection_details.rb', line 28

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

#host_argument ⇒ String

Returns the host fragment of the details string, adds ssl options if needed

Returns:

  • (String) 


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# File 'lib/arrival/connection_details.rb', line 46

def host_argument
  host_string = host
  if ssl_ca.present?
    host_string += ";mysql_ssl=1;mysql_ssl_client_ca=#{ssl_ca}"
  end
  "-h \"#{host_string}\""
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/arrival/connection_details.rb', line 35

def password_argument
  if password.present?
    %(--password #{Shellwords.escape(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/arrival/connection_details.rb', line 17

def to_s
  @to_s ||= "#{host_argument} -P #{port} -u #{user} #{password_argument}"
end