How to use SubSegment method of lib Package

Best K6 code snippet using lib.SubSegment

tracing.go

Source:tracing.go Github

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1package tracing2import (3 "github.com/99designs/gqlgen/graphql"4 "github.com/HelloSundayMorning/apputils/app"5 "github.com/HelloSundayMorning/apputils/appctx"6 "github.com/HelloSundayMorning/apputils/appevent"7 "github.com/HelloSundayMorning/apputils/log"8 "github.com/aws/aws-xray-sdk-go/header"9 "github.com/aws/aws-xray-sdk-go/xray"10 "github.com/streadway/amqp"11 "golang.org/x/net/context"12 "net/http"13)14type (15 TracingSegment func(ctx context.Context) (err error)16 WorkloadType string17)18const (19 correlationID = "correlationID"20 authUserID = "authUserID"21 authUserRoles = "authUserRoles"22 workloadTypeAnnotationTitle = "WorkloadType"23 workloadGQLPath = "GraphQLPath"24 workloadEventType = "EventType"25 WorkloadTypeHTTPCall = WorkloadType("HttpRequest")26 WorkloadTypeGraphQL = WorkloadType("GraphQLRequest")27 WorkloadTypeGraphQLMutation = WorkloadType("GraphQLMutation")28 WorkloadTypeGraphQLQuery = WorkloadType("GraphQLQuery")29 WorkloadTypeEventHandling = WorkloadType("EventHandling")30 AWSXrayTraceId = "X-Amzn-Trace-Id"31)32// DefineTracingSegment33// Helper function allowing to define a closure for a specific code section that needs tracing34// The section will be identified inside AWS XRay as a subsegment35func DefineTracingSegment(ctx context.Context, segmentName string, funcTracingSegment TracingSegment) (err error) {36 _, subSeg := xray.BeginSubsegment(ctx, segmentName)37 AddTracingAnnotationFromCtx(ctx)38 err = funcTracingSegment(ctx)39 subSeg.Close(err)40 return err41}42// AddTracingAnnotationFromCtx43// Add app context information to the AWS Xray segment as annotations and metadata44func AddTracingAnnotationFromCtx(ctx context.Context) {45 if ctx.Value(appctx.CorrelationIdHeader) != nil {46 _ = xray.AddAnnotation(ctx, correlationID, ctx.Value(appctx.CorrelationIdHeader).(string))47 }48 if ctx.Value(appctx.AuthorizedUserIDHeader) != nil {49 _ = xray.AddAnnotation(ctx, authUserID, ctx.Value(appctx.AuthorizedUserIDHeader).(string))50 }51 if ctx.Value(appctx.AuthorizedUserRolesHeader) != nil {52 _ = xray.AddMetadata(ctx, authUserRoles, ctx.Value(appctx.AuthorizedUserRolesHeader).(string))53 }54}55func AddCustomTracingWorkloadType(ctx context.Context, wt WorkloadType) {56 _ = xray.AddAnnotation(ctx, workloadTypeAnnotationTitle, string(wt))57}58func AddTracingGraphQLInfo(ctx context.Context) {59 fieldCtx := graphql.GetFieldContext(ctx)60 if fieldCtx == nil || !fieldCtx.IsMethod {61 return62 }63 pathStr := fieldCtx.Path().String()64 log.Printf(ctx, "AddTracingGraphQLInfo", "Request to GraphQL %s", pathStr)65 AddCustomTracingWorkloadType(ctx, WorkloadTypeGraphQL)66 _ = xray.AddAnnotation(ctx, workloadGQLPath, pathStr)67}68// GetParentSegmentTraceIDHeader69// Return a Xray header "Root=<trace>;Parent=<seg>;Sampled=<sample>" with the trace id and parent segment information from the context70// The context Segment info has to be added by a Xray Segment initialization called before,71// otherwise the function will return ""72func GetParentSegmentTraceIDHeader(ctx context.Context) (newHeader string) {73 seg := xray.GetSegment(ctx)74 if seg == nil {75 return ""76 }77 return seg.DownstreamHeader().String()78}79// BeginSegmentFromEventDelivery80// Return a XRay segment with the trace information and parent segment from the ampq delivery81// This enable event handling tracing within the same Xray TraceID and connect publisher and subscribers82// It expects the "X-Amzn-Trace-Id" header in format "Root=<trace>;Parent=<seg>;Sampled=<sample>"83// otherwise a new trace is started.84func BeginSegmentFromEventDelivery(ctx context.Context, appID app.ApplicationID, delivery amqp.Delivery) (context.Context, *xray.Segment) {85 var seg *xray.Segment86 if delivery.Headers[AWSXrayTraceId] != nil {87 log.Printf(ctx, "BeginSegmentFromEventDelivery", "Received tracing header from delivery: %s", delivery.Headers[AWSXrayTraceId].(string))88 xRayTraceHeader := header.FromString(delivery.Headers[AWSXrayTraceId].(string))89 // Here we create a dummy HTTP request to provide to XRay lib the required dependencies.90 // It's required since the library don't understand tracing from a parent segment91 // if it's not originating from a HTTP request.92 // This also guarantee that the sampling rule from the parent is propagated93 r, err := http.NewRequest("GET", "/", nil)94 if err != nil {95 // if an error occur while creating the dummy HTTP request, we just ignore it and96 // consider no request. As consequence it will prevent the sampling rule from the parent segment97 // to propagate to this segment98 r = nil99 }100 ctx, seg = xray.NewSegmentFromHeader(ctx, string(appID), r, xRayTraceHeader)101 } else {102 log.Printf(ctx, "BeginSegmentFromEventDelivery", "No tracing header from delivery found")103 ctx, seg = xray.BeginSegment(ctx, string(appID))104 }105 event, _ := appevent.NewAppEventFromJSON(delivery.Body)106 _ = xray.AddAnnotation(ctx, workloadEventType, event.EventType)107 AddCustomTracingWorkloadType(ctx, WorkloadTypeEventHandling)108 AddTracingAnnotationFromCtx(ctx)109 return ctx, seg110}...

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main.go

Source:main.go Github

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1package main2import (3 "context"4 "database/sql"5 "encoding/json"6 "net/http"7 "github.com/aws/aws-xray-sdk-go/xray"8 _ "github.com/lib/pq"9)10func main() {11 xray.Configure(xray.Config{LogLevel: "info"})12 http.Handle("/", xray.Handler(xray.NewFixedSegmentNamer("app3"), http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {13 var traceID, parentID string14 if seg, ok := r.Context().Value(xray.ContextKey).(*xray.Segment); ok {15 traceID = seg.TraceID16 parentID = seg.ID17 }18 ctx, seg := newSubSegmnet(r.Context(), traceID, parentID, "app3-db-call")19 row, err := queryDB(ctx)20 if err != nil {21 http.Error(w, err.Error(), http.StatusInternalServerError)22 return23 }24 seg.Close(nil)25 output, _ := json.Marshal(map[string]sql.Result{"app3": row})26 w.Write(output)27 })))28 http.ListenAndServe(":8083", nil)29}30func newSubSegmnet(ctx context.Context, traceID, parentID, name string) (context.Context, *xray.Segment) {31 ctx, seg := xray.BeginSubsegment(ctx, name)32 seg.TraceID = traceID33 seg.ParentID = parentID34 return ctx, seg35}36func queryDB(ctx context.Context) (sql.Result, error) {37 db, err := xray.SQL("postgres", "postgres://postgres:postgres@db:5432/example?sslmode=disable")38 if err != nil {39 return nil, err40 }41 resp, err := db.Exec(ctx, "SELECT 1")42 if err != nil {43 return nil, err44 }45 return resp, nil46}...

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acl.go

Source:acl.go Github

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1package filter2import (3 "github.com/mblarer/conpass/path"4 "github.com/mblarer/conpass/segment"5 "github.com/scionproto/scion/go/lib/pathpol"6 "github.com/scionproto/scion/go/lib/snet"7)8// FromACL returns a segment.Filter that filters path segments according to a9// pathpol.ACL policy.10func FromACL(acl pathpol.ACL) segment.Filter {11 return aclFilter{acl: acl}12}13type aclFilter struct {14 acl pathpol.ACL15}16func (af aclFilter) Filter(segset segment.SegmentSet) segment.SegmentSet {17 return FromPredicate(func(segment segment.Segment) bool {18 // This implementation is not optimal. If the segment is a segment19 // composition, then every subsegment should be evaluated only once.20 path := path.InterfacePath{segment.PathInterfaces()}21 result := af.acl.Eval([]snet.Path{path})22 accept := len(result) == 123 return accept24 }).Filter(segset)25}...

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SubSegment

Using AI Code Generation

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1import (2func main() {3 xray.Configure(xray.Config{Logger: xraylog.NewDefaultLogger(log.Printf)})4 http.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {5 seg := xray.NewSegment("hello", r.Context())6 defer seg.Close(nil)7 fmt.Fprintf(w, "Hello, %q", r.URL.Path)8 })9 http.ListenAndServe(":8080", nil)10}11import (12func main() {13 xray.Configure(xray.Config{Logger: xraylog.NewDefaultLogger(log.Printf)})14 http.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {15 seg := xray.NewSegment("hello", r.Context())16 defer seg.Close(nil)17 subseg := seg.BeginSubsegment("world")18 defer subseg.Close(nil)19 fmt.Fprintf(w, "Hello, %q", r.URL.Path)20 })21 http.ListenAndServe(":8080", nil)22}23import (24func main() {25 xray.Configure(xray.Config{Logger: xraylog.NewDefaultLogger(log.Printf)})26 http.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {27 seg := xray.NewSegment("hello", r.Context())28 defer seg.Close(nil)29 subseg := seg.BeginSubsegment("world")30 defer subseg.Close(nil)31 fmt.Fprintf(w, "Hello, %q", r.URL.Path)32 })33 http.ListenAndServe(":8080", nil)34}

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SubSegment

Using AI Code Generation

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1import (2func main() {3 fmt.Println(lib.SubSegment("abc", "a"))4 fmt.Println(lib.SubSegment("abc", "b"))5 fmt.Println(lib.SubSegment("abc", "c"))6 fmt.Println(lib.SubSegment("abc", "x"))7}8func SubSegment(str string, subStr string) bool {9 for i := 0; i < len(str); i++ {10 if str[i] == subStr[0] {11 }12 }13}14Related Posts: Go | strings.Index() method15Go | strings.Contains() method16Go | strings.Join() method17Go | strings.Split() method18Go | strings.Title() method19Go | strings.ToLower() method20Go | strings.ToUpper() method21Go | strings.Trim() method22Go | strings.TrimLeft() method23Go | strings.TrimRight() method24Go | strings.TrimPrefix() method25Go | strings.TrimSuffix() method26Go | strings.Replace() method27Go | strings.Repeat() method28Go | strings.Fields() method29Go | strings.HasSuffix() method30Go | strings.HasPrefix() method31Go | strings.Compare() method32Go | strings.LastIndex() method33Go | strings.Count() method34Go | strings.IndexRune() method35Go | strings.IndexAny() method36Go | strings.IndexByte() method37Go | strings.SplitAfter() method38Go | strings.SplitAfterN() method39Go | strings.SplitN() method40Go | strings.TrimSpace() method41Go | strings.Map() method42Go | strings.NewReader() method43Go | strings.ReplaceAll() method44Go | strings.ToTitle() method45Go | strings.ToTitleSpecial() method46Go | strings.EqualFold() method47Go | strings.NewReplacer() method48Go | strings.Builder() method49Go | strings.RuneCount() method50Go | strings.RuneCountInString() method

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SubSegment

Using AI Code Generation

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1func main() {2 lib.SubSegment("1.go")3}4func main() {5 lib.SubSegment("2.go")6}7func main() {8 lib.SubSegment("3.go")9}10func main() {11 lib.SubSegment("4.go")12}13func main() {14 lib.SubSegment("5.go")15}16func main() {17 lib.SubSegment("6.go")18}19func main() {20 lib.SubSegment("7.go")21}22func main() {23 lib.SubSegment("8.go")24}25func main() {26 lib.SubSegment("9.go")27}28func main() {29 lib.SubSegment("10.go")30}31func main() {32 lib.SubSegment("11.go")33}34func main() {35 lib.SubSegment("12.go")36}37func main() {38 lib.SubSegment("13.go")39}40func main() {41 lib.SubSegment("14.go")42}43func main() {44 lib.SubSegment("15.go")45}46func main() {47 lib.SubSegment("16.go")48}49func main() {50 lib.SubSegment("17.go")51}

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SubSegment

Using AI Code Generation

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1import (2func main() {3 lib := xlsx.NewFile()4 sheet, _ := lib.AddSheet("Sheet1")5 row := sheet.AddRow()6 cell := row.AddCell()7 cell = row.AddCell()8 lib.Save("1.xlsx")9}10import (11func main() {12 lib, err := xlsx.OpenFile("1.xlsx")13 if err != nil {14 fmt.Println(err)15 }16 for _, row := range sheet.Rows {17 for _, cell := range row.Cells {18 text := cell.String()19 fmt.Printf("%s20 }21 }22}23import (24func main() {25 lib, err := xlsx.OpenFile("1.xlsx")26 if err != nil {27 fmt.Println(err)28 }29 cell := sheet.Cell(0, 0)30 fmt.Println(cell.String())31}32import (33func main() {34 lib, err := xlsx.OpenFile("1.xlsx")35 if err != nil {36 fmt.Println(err)37 }38 cell := sheet.Cell(0, 1)39 fmt.Println(cell.String())40}41import (42func main() {43 lib, err := xlsx.OpenFile("1.xlsx")44 if err != nil {45 fmt.Println(err)46 }47 cell := sheet.Cell(0, 2)48 fmt.Println(cell.String())49}

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SubSegment

Using AI Code Generation

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1import (2func main() {3 fmt.Printf("The index of '%s' in '%s' is: ", substr, str)4 fmt.Printf("%d5", strings.Index(str, substr))6 fmt.Printf("The index of '%s' in '%s' is: ", substr, str)7 fmt.Printf("%d8", strings.LastIndex(str, substr))9 fmt.Printf("The index of '%s' in '%s' is: ", "is", str)10 fmt.Printf("%d11", strings.Index(str, "is"))12}13GoLang: Strings: strings.Index() Method14GoLang: Strings: strings.Index() Method

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SubSegment

Using AI Code Generation

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1import(2func main(){3 s := lib.NewSegment(3, 5)4 fmt.Println(s.SubSegment(1, 2))5}6type Segment struct{7}8func NewSegment(start, end int) *Segment{9 return &Segment{start, end}10}11func (s *Segment) SubSegment(start, end int) *Segment{12 return &Segment{s.start + start, s.start + end}13}14./1.go:10: cannot use s.SubSegment(1, 2) (type *Segment) as type lib.Segment in assignment15import(16func main(){17 s := lib.NewSegment(3, 5)18 fmt.Println(s.SubSegment(1, 2))19}20type Segment struct{21}22func NewSegment(start, end int) *Segment{23 return &Segment{start, end}24}25func (s *Segment) SubSegment(start, end int) Segment{26 return Segment{s.start + start, s.start + end}27}28import(29func main(){30 s := lib.NewSegment(3, 5)31 fmt.Println(s.SubSegment(1, 2))32}33func (s Segment) SubSegment(start, end int) Segment{34 return Segment{s.start + start, s.start + end}35}

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