Append to exist xml dom.

AppendXmlContent overrides the content of a xml file append the override properties to the current xml dom.

MakeConfigFileContent returns the content of a configuration file content such as: ``` key1 value1 key2 value2 ```.

MakePropertiesFileContent returns the content of a properties file content such as: ```properties key1=value1 key2=value2 ```.

NewResourceNameGenerator new a ResourceNameGenerator.

NewResourceNameGeneratorOneRole new a ResourceNameGenerator without roleName.

OverridePropertiesFileContent use bufio resolve properties.