MO-005e — Infrastructure Baseline Reuse

Go to MO-005 — Reusable and Version-Controlled Infrastructure Baselines

Statement

Crucible SHALL apply the same approved Infrastructure Baseline revision to two or more Infrastructure Deployments.

Derived From

This requirement derives from:

The Original Requirement states:

The system SHALL establish infrastructure as a reusable and version-controlled asset.[C1]

MO-005e preserves the reuse intent of the Original Requirement by requiring Crucible to apply the same approved Infrastructure Baseline revision to multiple Infrastructure Deployments.

The separate requirements derived from MO-005 address:

Rationale

Reuse occurs when Crucible applies the same approved Infrastructure Baseline revision to more than one Infrastructure Deployment.

The minimum threshold of two Infrastructure Deployments distinguishes demonstrated reuse from a single application of an Infrastructure Baseline revision.

Reuse supports:

Consistent infrastructure compositionReduction of duplicated configuration effortRepeatable deployment processesComparison of Infrastructure Deployments created from the same Infrastructure Baseline revisionReproduction of previously deployed infrastructureControlled deployment across multiple operational environmentsControlled deployment across multiple Deployment PlatformsPreservation of approved infrastructure configurationsPreservation of ProvenanceMaintenance of TraceabilityThe Infrastructure Deployments may differ in deployment instance, location, operational environment, Deployment Platform, execution time, or intended use, provided that Crucible applies the same approved Infrastructure Baseline revision.

The resulting Infrastructure Environments need not be identical when permitted deployment-specific parameters or Provider Implementations produce controlled differences.

This requirement does not permit modification of the approved Infrastructure Baseline revision during reuse. MO-005f addresses preservation of approved revisions.

This requirement does not define the deployment record that identifies the applied Infrastructure Baseline revision. MO-005g addresses that Traceability.

Applies To

This requirement applies to:

Approved Infrastructure Baseline revisionsInfrastructure DeploymentsArtifact identifiersRevision identifiersApproval recordsSelection recordsDeployment recordsDeployment PlatformsOperational environmentsDeployment-specific parametersProvider ImplementationsEvidenceProvenanceTraceability

Verification

Verification confirms that:

The approved Infrastructure Baseline revision is identifiedTwo or more Infrastructure Deployments are identifiedCrucible applies the same approved Infrastructure Baseline revision to each identified Infrastructure DeploymentThe Infrastructure Baseline Artifact identifier is the same for each identified Infrastructure DeploymentThe Infrastructure Baseline revision identifier is the same for each identified Infrastructure DeploymentThe approved Infrastructure Baseline content remains unchanged across the identified Infrastructure DeploymentsEach Infrastructure Deployment completes with an identified resultEach permitted difference among the Infrastructure Deployments is attributable to identified deployment-specific parameters or Provider ImplementationsThe verification record preserves Traceability among the approved Infrastructure Baseline revision, each Infrastructure Deployment, the deployment-specific parameters, the Provider Implementation, and the deployment result

Referenced By

The following pages reference this requirement:

Delivery Phase

Implemented and Verified.

Implementation Status

Requirement Status

Issues

The following unresolved issues affect this requirement:

Notes for Editors

This requirement page should retain the stable requirement identifier MO-005e.

This page is a leaf requirement page and omits a trailing :start from its namespace.

The parent MO-005 page is a non-leaf page and retains a trailing :start in its namespace.

Changes to the Statement should preserve:

as the responsible actorAn approved Infrastructure Baseline revision as the reused subjectApplication of the same revision to two or more Infrastructure DeploymentsTwo Infrastructure Deployments as the minimum demonstrated reuse thresholdThe reuse record should identify:

The stable Infrastructure Baseline Artifact identifierThe applied revision identifierThe approval status of the applied revisionEach Infrastructure DeploymentThe application date and timeThe operational environmentThe Deployment PlatformThe deployment-specific parametersThe Provider ImplementationThe application resultThe associated ProvenanceThe associated TraceabilityMaterial changes should receive review and should update the verification criteria, source records, and Issues section.

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