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How to use SubSegment method of lib Package

Best K6 code snippet using lib.SubSegment

tracing.go

Source:tracing.go

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}...

main.go

Source:main.go

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}...

acl.go

Source:acl.go

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}...

SubSegment

Using AI Code Generation

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}

SubSegment

Using AI Code Generation

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

SubSegment

Using AI Code Generation

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}

SubSegment

Using AI Code Generation

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}

SubSegment

Using AI Code Generation

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

SubSegment

Using AI Code Generation

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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