System Design

Data Model

System

• name
• description
• faults 1--M> Fault
• tags M--M> Tag
• dependencies M--M> System
• reverse_dependencies M--M> System

Tag

• name
• systems M--M> System

Fault

• description
• fault_time
• resolve_time
• resolution
• notes
• report_time
• reporter
• system 1--1> System
• effects M--M> Fault
• causes M--M> Fault

Blame

• description
• cause
• effect
• datetime
• blamer
• valid

API

• fault
  • create (system, time, description)
  • blame (fault)