WIP: Save current state - security subsystems, migrations, logging

aggregator-server/internal/models/system_event.go

@@ -0,0 +1,79 @@
+package models
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+// SystemEvent represents a unified event log entry for all system events
+// This implements the unified event logging system from docs/ERROR_FLOW_AUDIT.md
+type SystemEvent struct {
+	ID           uuid.UUID              `json:"id" db:"id"`
+	AgentID      *uuid.UUID             `json:"agent_id,omitempty" db:"agent_id"` // Pointer to allow NULL for server events
+	EventType    string                 `json:"event_type" db:"event_type"`       // e.g., 'agent_update', 'agent_startup', 'server_build'
+	EventSubtype string                 `json:"event_subtype" db:"event_subtype"` // e.g., 'success', 'failed', 'info', 'warning'
+	Severity     string                 `json:"severity" db:"severity"`           // 'info', 'warning', 'error', 'critical'
+	Component    string                 `json:"component" db:"component"`         // 'agent', 'server', 'build', 'download', 'config', etc.
+	Message      string                 `json:"message" db:"message"`
+	Metadata     map[string]interface{} `json:"metadata,omitempty" db:"metadata"` // JSONB for structured data
+	CreatedAt    time.Time              `json:"created_at" db:"created_at"`
+}
+
+// Event type constants
+const (
+	EventTypeAgentStartup     = "agent_startup"
+	EventTypeAgentRegistration = "agent_registration"
+	EventTypeAgentCheckIn     = "agent_checkin"
+	EventTypeAgentScan        = "agent_scan"
+	EventTypeAgentUpdate      = "agent_update"
+	EventTypeAgentConfig      = "agent_config"
+	EventTypeAgentMigration   = "agent_migration"
+	EventTypeAgentShutdown    = "agent_shutdown"
+	EventTypeServerBuild      = "server_build"
+	EventTypeServerDownload   = "server_download"
+	EventTypeServerConfig     = "server_config"
+	EventTypeServerAuth       = "server_auth"
+	EventTypeDownload         = "download"
+	EventTypeMigration        = "migration"
+	EventTypeError           = "error"
+)
+
+// Event subtype constants
+const (
+	SubtypeSuccess     = "success"
+	SubtypeFailed      = "failed"
+	SubtypeInfo        = "info"
+	SubtypeWarning     = "warning"
+	SubtypeCritical    = "critical"
+	SubtypeDownloadFailed     = "download_failed"
+	SubtypeValidationFailed   = "validation_failed"
+	SubtypeConfigCorrupted    = "config_corrupted"
+	SubtypeMigrationNeeded    = "migration_needed"
+	SubtypePanicRecovered     = "panic_recovered"
+	SubtypeTokenExpired       = "token_expired"
+	SubtypeNetworkTimeout     = "network_timeout"
+	SubtypePermissionDenied   = "permission_denied"
+	SubtypeServiceUnavailable = "service_unavailable"
+)
+
+// Severity constants
+const (
+	SeverityInfo     = "info"
+	SeverityWarning  = "warning"
+	SeverityError    = "error"
+	SeverityCritical = "critical"
+)
+
+// Component constants
+const (
+	ComponentAgent     = "agent"
+	ComponentServer    = "server"
+	ComponentBuild     = "build"
+	ComponentDownload  = "download"
+	ComponentConfig    = "config"
+	ComponentDatabase  = "database"
+	ComponentNetwork   = "network"
+	ComponentSecurity  = "security"
+	ComponentMigration = "migration"
+)