Implemented Epic 1 core kernel and infrastructure stories: Story 1.1: Enhanced DI Container - Added providers for database, health, metrics, and error bus - Extended CoreModule to include all core services Story 1.2: Database Layer with Ent ORM - Created Ent schema for User, Role, Permission, AuditLog entities - Implemented many-to-many relationships (User-Role, Role-Permission) - Created database client wrapper with connection pooling - Added database provider to DI container with migration support Story 1.3: Health Monitoring and Metrics System - Implemented health check registry and interface - Added database health checker - Created Prometheus metrics system with HTTP instrumentation - Added health and metrics providers to DI container Story 1.4: Error Handling and Error Bus - Implemented channel-based error bus - Created ErrorPublisher interface - Added error bus provider with lifecycle management Story 1.5: HTTP Server Foundation - Created HTTP server with Gin framework - Implemented comprehensive middleware stack: - Request ID generation - Structured logging - Panic recovery with error bus integration - Prometheus metrics collection - CORS support - Registered core routes: /healthz, /ready, /metrics - Integrated with FX lifecycle for graceful shutdown All components are integrated via DI container and ready for use.
35 lines
938 B
Go
35 lines
938 B
Go
package health
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import "context"
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// HealthChecker defines the interface for health checks.
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type HealthChecker interface {
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// Check performs a health check and returns an error if unhealthy.
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// Returns nil if the component is healthy.
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Check(ctx context.Context) error
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}
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// Status represents the health status of a component.
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type Status string
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const (
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// StatusHealthy indicates the component is healthy.
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StatusHealthy Status = "healthy"
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// StatusUnhealthy indicates the component is unhealthy.
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StatusUnhealthy Status = "unhealthy"
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)
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// ComponentStatus represents the health status of a single component.
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type ComponentStatus struct {
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Name string `json:"name"`
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Status Status `json:"status"`
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Error string `json:"error,omitempty"`
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}
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// HealthStatus represents the overall health status.
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type HealthStatus struct {
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Status Status `json:"status"`
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Components []ComponentStatus `json:"components,omitempty"`
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}
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