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| + | ====== Declarative Configuration ====== | ||
| + | [[public: | ||
| + | |||
| + | ===== Discussion ===== | ||
| + | |||
| + | Declarative Configuration specifies the required state of a subject without prescribing the sequence of operations used to establish that state. | ||
| + | |||
| + | The configured subject may include: | ||
| + | |||
| + | * An [[public: | ||
| + | * An [[public: | ||
| + | * A platform | ||
| + | * A service | ||
| + | * A software component | ||
| + | * A network | ||
| + | * A computing resource | ||
| + | * A storage resource | ||
| + | * A security control | ||
| + | |||
| + | Declarative Configuration may specify: | ||
| + | |||
| + | * Required resources | ||
| + | * Required configuration values | ||
| + | * Relationships among resources | ||
| + | * Required capabilities | ||
| + | * Applicable constraints | ||
| + | * Applicable [[public: | ||
| + | * Applicable [[public: | ||
| + | * Desired operational state | ||
| + | |||
| + | A tool or process evaluates the declared state and determines the operations required to establish or preserve that state. | ||
| + | |||
| + | Declarative Configuration differs from procedural configuration: | ||
| + | |||
| + | * Declarative Configuration specifies the required result | ||
| + | * Procedural configuration specifies the operations and sequence used to produce the result | ||
| + | |||
| + | Declarative Configuration does not prohibit an implementation from using an execution sequence. The distinction concerns whether the configuration itself prescribes that sequence. | ||
| + | |||
| + | Declarative Configuration may form part of [[private: | ||
| + | |||
| + | ===== Definition ===== | ||
| + | |||
| + | // | ||
| + | |||
| + | ===== Source ===== | ||
| + | |||
| + | Dido Solutions, Inc. and Jackrabbit Consulting, Inc. | ||
| + | |||
| + | ===== Note ===== | ||
| + | |||
| + | Declarative Configuration may be: | ||
| + | |||
| + | * Human-readable | ||
| + | * Machine-readable | ||
| + | * [[public: | ||
| + | * Reusable | ||
| + | * Parameterized | ||
| + | * Inherited | ||
| + | * Generated | ||
| + | * Composed from multiple controlled inputs | ||
| + | |||
| + | A declarative representation does not by itself establish that the configuration is: | ||
| + | |||
| + | * Valid | ||
| + | * Approved | ||
| + | * Authorized for application | ||
| + | * Compatible with a target platform | ||
| + | * Successfully deployed | ||
| + | * Compliant with an applicable Baseline | ||
| + | |||
| + | Separate requirements govern those determinations. | ||
| + | |||
| + | The term does not require a particular configuration language, schema, file format, deployment tool, cloud provider, operating system, or implementation technology. | ||
| + | |||
| + | ===== Example ===== | ||
| + | |||
| + | A Declarative Configuration specifies that an Infrastructure Environment contains three compute resources, persistent storage, defined network relationships, | ||
| + | |||
| + | ---- | ||
| + | |||
| + | <WRAP centeralign> | ||
| + | © 2026 Dido Solutions, Inc. and Jackrabbit Consulting, Inc. | ||
| + | </ | ||