Class: Dbcp::DatabaseSnapshotFile

Inherits:
Object
  • Object
show all
Defined in:
lib/dbcp/database_snapshot_file.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(environment) ⇒ DatabaseSnapshotFile

Returns a new instance of DatabaseSnapshotFile.



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# File 'lib/dbcp/database_snapshot_file.rb', line 6

def initialize(environment)
  @environment = environment
  @path = "/tmp/dbcp_#{Time.now.to_f}"
end

Instance Attribute Details

#environment ⇒ Object (readonly)

Returns the value of attribute environment.



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# File 'lib/dbcp/database_snapshot_file.rb', line 4

def environment
  @environment
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/dbcp/database_snapshot_file.rb', line 3

def path
  @path
end

Instance Method Details

#delete ⇒ Object 



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# File 'lib/dbcp/database_snapshot_file.rb', line 36

def delete
  environment.execution_host.execute %W(rm #{path}).shelljoin
end

#transfer_to(destination_environment) ⇒ DatabaseSnapshotFile

Returns:



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# File 'lib/dbcp/database_snapshot_file.rb', line 12

def transfer_to(destination_environment)
  source_host      = environment.execution_host
  destination_host = destination_environment.execution_host

  return self if source_host.local? && destination_host.local?
  return self if source_host == destination_host

  destination_snapshot_file = DatabaseSnapshotFile.new(destination_environment)

  if source_host.local? && destination_host.remote?
    destination_host.upload path, destination_snapshot_file.path

  elsif source_host.remote? && destination_host.local?
    source_host.download path, destination_snapshot_file.path

  else
    # both remote
    source_host.download path, path
    destination_host.upload path, destination_snapshot_file.path
  end

  destination_snapshot_file
end