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gwen 2024-01-23 10:57:01 +01:00
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@ -15,7 +15,7 @@ What is a consistency handling system ?
Tiramisu
|Tiramisu| is a consistency handling system that was initially designed
|Tiramisu| is a consistency handling system that has initially been designed
in the configuration management scope. To put it more simply,
this library is generally used to handle configuration options.
@ -44,16 +44,16 @@ The dictionaries
.. image:: images/schema.png
The main advantage is that declaring variables and writing consistency is a simple
as writing YAML. It is not necessary to write :term:`Tiramisu` code.
The main advantage is that declaring variables and writing consistency is as simple
as writing YAML. With Rougail it is not necessary to write :term:`Tiramisu` code any more.
It simplifies a lot of things.
And rather than writing :term:`Tiramisu` code, we can declare variables and describe the relationships between variables in a declarative mode.
And rather than writing :term:`Tiramisu` code, we can declare variables and describe the relationships between variables in a declarative mode (that is, in a YAML file).
Once the dictionaries are loaded by Rougail, we find all the power of the :term:`Tiramisu` configuration management tool.
The dictionaries YAML format
---------------------------------
The YAML dictionaries format
-----------------------------
Before getting started with Rougail we need to learn the specifics of the YAML dictionaries file format (as well as some templating concepts).
@ -78,14 +78,13 @@ The variables
variable
Here is a second definition of a :term:`variable`: it is a declaration unit that represents a business domain metaphor,
the most common example is that a variable represents a configuration option
the most common example is that a variable that represents a configuration option
in a application, but a variable represents something more that a configuration option.
It provides a business domain specific representation unit.
.. note:: dictionaries can just define a list of variables, but we will see that
.. note:: Dictionaries can just define a list of variables, but we will see that
we can specify a lot more. We can define variables **and** their relations,
and the consistency between them.
**and** the consistency between them.
In the next step, we will explain through a tutorial how to construct a list of variables.