| 1 |  |  | package telemetry | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | import ( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | 	"context" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | 	"fmt" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | 	"os" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | 	"runtime" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | 	"time" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | 	"go.opentelemetry.io/otel" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | 	"go.opentelemetry.io/otel/metric/noop" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | 	semconv "go.opentelemetry.io/otel/semconv/v1.10.0" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | 	"go.opentelemetry.io/contrib/instrumentation/host" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | 	orn "go.opentelemetry.io/contrib/instrumentation/runtime" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | 	"go.opentelemetry.io/otel/attribute" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | 	omt "go.opentelemetry.io/otel/metric" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | 	"go.opentelemetry.io/otel/sdk/metric" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | 	"go.opentelemetry.io/otel/sdk/resource" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | 	"github.com/Permify/permify/internal" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | // NewMeter - Creates new meter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | func NewMeter(exporter metric.Exporter, interval time.Duration) func(context.Context) error { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | 	hostName, err := os.Hostname() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 	if err != nil { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | 		return func(context.Context) error { return nil } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 	mp := metric.NewMeterProvider( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 		metric.WithReader(metric.NewPeriodicReader( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 			exporter, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 			metric.WithInterval(interval), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | 		)), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 		metric.WithResource(resource.NewWithAttributes( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 			semconv.SchemaURL, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 			semconv.ServiceNameKey.String("permify"), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 			attribute.String("id", internal.Identifier), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 			attribute.String("project.id", internal.Identifier), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 			attribute.String("version", internal.Version), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 			attribute.String("host_name", hostName), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 			attribute.String("os", runtime.GOOS), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 			attribute.String("arch", runtime.GOARCH), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 		)), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 	) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 	if err = orn.Start( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 		orn.WithMinimumReadMemStatsInterval(time.Second), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 		orn.WithMeterProvider(mp), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 	); err != nil { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 		return func(context.Context) error { return nil } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	if err = host.Start(host.WithMeterProvider(mp)); err != nil { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 		return func(context.Context) error { return nil } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 	otel.SetMeterProvider(mp) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 	return mp.Shutdown | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | // NewNoopMeter - Creates new noop meter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | func NewNoopMeter() omt.Meter { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 	mp := noop.MeterProvider{} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 	return mp.Meter("permify") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | func NewCounter(meter omt.Meter, name, description string) omt.Int64Counter { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 	counter, err := meter.Int64Counter( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 		name, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 		omt.WithDescription(description), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 	if err != nil { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 		fmt.Errorf("failed to create counter: %w", err) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                            
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                | 78 |  |  | 		panic(err) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 	return counter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 83 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 84 |  |  | func NewHistogram(meter omt.Meter, name, unit, description string) omt.Int64Histogram { | 
            
                                                        
            
                                    
            
            
                | 85 |  |  | 	histogram, err := meter.Int64Histogram( | 
            
                                                        
            
                                    
            
            
                | 86 |  |  | 		name, | 
            
                                                        
            
                                    
            
            
                | 87 |  |  | 		omt.WithUnit(unit), | 
            
                                                        
            
                                    
            
            
                | 88 |  |  | 		omt.WithDescription(description), | 
            
                                                        
            
                                    
            
            
                | 89 |  |  | 	) | 
            
                                                        
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 91 |  |  | 	if err != nil { | 
            
                                                        
            
                                    
            
            
                | 92 |  |  | 		fmt.Errorf("failed to create histogram: %w", err) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                            
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                | 93 |  |  | 		panic(err) | 
            
                                                        
            
                                    
            
            
                | 94 |  |  | 	} | 
            
                                                        
            
                                    
            
            
                | 95 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 96 |  |  | 	return histogram | 
            
                                                        
            
                                    
            
            
                | 97 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 98 |  |  |  |