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Add register a Diagnostic Factory.

HealthyLevelFailed means diagnostic is failed this is not a error but an acceptable failed.

HealthyLevelGood means no health problem.

HealthyLevelRisk means risk unHealthy.

HealthyLevelSerious means serious unHealthy.

HealthyLevelWarn means warn unHealthy.

CatalogueMaster Diagnostic diagnose controller panel status master nodes status should belong to this catalogue.

CatalogueNode Diagnostics diagnose nodes status.

CatalogueOther Diagnostics have no certain catalogue.

CatalogueResource Diagnostics diagnose cluster resources status.

Factories store all registered Diagnostic Creator.

Factory create a new Diagnostic.

MetaData contains core attributes of a Diagnostic.

Result is a diagnostic result item.

StartDiagnoseParam contains all items that StartDiagnose need.

Diagnostic diagnose some aspects of cluster.

Catalogue is the default catalogue type of a Diagnostic.

HealthyLevel means the healthy level of diagnostic result.