mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-26 21:05:00 +02:00
Remove example/fib (#4723)
This commit is contained in:
Robert Pająk
GitHub
parent
8ceba1368a
commit
a27c53b9b5
9
.github/dependabot.yml
vendored
9
.github/dependabot.yml
vendored
@ -73,15 +73,6 @@ updates:
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schedule:
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interval: weekly
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day: sunday
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- package-ecosystem: gomod
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directory: /example/fib
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labels:
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- dependencies
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- go
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- Skip Changelog
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schedule:
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interval: weekly
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day: sunday
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- package-ecosystem: gomod
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directory: /example/namedtracer
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labels:
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4
.gitignore
vendored
4
.gitignore
vendored
@ -14,13 +14,9 @@ go.work.sum
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gen/
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/example/dice/dice
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/example/fib/fib
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/example/fib/traces.txt
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/example/jaeger/jaeger
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/example/namedtracer/namedtracer
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/example/otel-collector/otel-collector
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/example/opencensus/opencensus
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/example/passthrough/passthrough
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/example/prometheus/prometheus
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/example/view/view
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/example/zipkin/zipkin
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@ -13,6 +13,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
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- Remove the deprecated `go.opentelemetry.io/otel/bridge/opencensus.NewTracer`. (#4706)
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- Remove the deprecated `go.opentelemetry.io/otel/exporters/otlp/otlpmetric` module. (#4707)
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- Remove the deprecated `go.opentelemetry.io/otel/example/view` module. (#4708)
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- Remove the deprecated `go.opentelemetry.io/otel/example/fib` module. (#4723)
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### Fixed
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@ -1,104 +0,0 @@
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"context"
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"fmt"
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"io"
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"log"
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"strconv"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/codes"
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"go.opentelemetry.io/otel/trace"
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)
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// name is the Tracer name used to identify this instrumentation library.
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const name = "fib"
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// App is an Fibonacci computation application.
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type App struct {
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r io.Reader
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l *log.Logger
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}
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// NewApp returns a new App.
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func NewApp(r io.Reader, l *log.Logger) *App {
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return &App{r: r, l: l}
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}
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// Run starts polling users for Fibonacci number requests and writes results.
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func (a *App) Run(ctx context.Context) error {
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for {
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// Each execution of the run loop, we should get a new "root" span and context.
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newCtx, span := otel.Tracer(name).Start(ctx, "Run")
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n, err := a.Poll(newCtx)
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if err != nil {
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span.End()
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return err
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}
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a.Write(newCtx, n)
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span.End()
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}
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}
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// Poll asks a user for input and returns the request.
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func (a *App) Poll(ctx context.Context) (uint, error) {
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_, span := otel.Tracer(name).Start(ctx, "Poll")
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defer span.End()
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a.l.Print("What Fibonacci number would you like to know: ")
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var n uint
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_, err := fmt.Fscanf(a.r, "%d\n", &n)
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if err != nil {
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span.RecordError(err)
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span.SetStatus(codes.Error, err.Error())
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return 0, err
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}
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// Store n as a string to not overflow an int64.
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nStr := strconv.FormatUint(uint64(n), 10)
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span.SetAttributes(attribute.String("request.n", nStr))
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return n, nil
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}
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// Write writes the n-th Fibonacci number back to the user.
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func (a *App) Write(ctx context.Context, n uint) {
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var span trace.Span
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ctx, span = otel.Tracer(name).Start(ctx, "Write")
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defer span.End()
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f, err := func(ctx context.Context) (uint64, error) {
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_, span := otel.Tracer(name).Start(ctx, "Fibonacci")
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defer span.End()
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f, err := Fibonacci(n)
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if err != nil {
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span.RecordError(err)
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span.SetStatus(codes.Error, err.Error())
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}
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return f, err
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}(ctx)
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if err != nil {
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a.l.Printf("Fibonacci(%d): %v\n", n, err)
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} else {
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a.l.Printf("Fibonacci(%d) = %d\n", n, f)
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}
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}
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@ -1,18 +0,0 @@
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Fib is the "Fibonacci" old getting started example application.
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//
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// Deprecated: See [go.opentelemetry.io/otel/example/dice] instead.
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package main
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@ -1,35 +0,0 @@
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import "fmt"
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// Fibonacci returns the n-th fibonacci number.
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func Fibonacci(n uint) (uint64, error) {
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if n <= 1 {
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return uint64(n), nil
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}
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if n > 93 {
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return 0, fmt.Errorf("unsupported fibonacci number %d: too large", n)
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}
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var n2, n1 uint64 = 0, 1
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for i := uint(2); i < n; i++ {
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n2, n1 = n1, n1+n2
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}
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return n2 + n1, nil
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}
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@ -1,28 +0,0 @@
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// Deprecated: See go.opentelemetry.io/otel/example/dice instead.
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module go.opentelemetry.io/otel/example/fib
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go 1.20
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require (
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go.opentelemetry.io/otel v1.20.0
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go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.20.0
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go.opentelemetry.io/otel/sdk v1.20.0
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go.opentelemetry.io/otel/trace v1.20.0
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)
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require (
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github.com/go-logr/logr v1.3.0 // indirect
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github.com/go-logr/stdr v1.2.2 // indirect
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go.opentelemetry.io/otel/metric v1.20.0 // indirect
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golang.org/x/sys v0.14.0 // indirect
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)
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replace go.opentelemetry.io/otel => ../..
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replace go.opentelemetry.io/otel/exporters/stdout/stdouttrace => ../../exporters/stdout/stdouttrace
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replace go.opentelemetry.io/otel/sdk => ../../sdk
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replace go.opentelemetry.io/otel/trace => ../../trace
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replace go.opentelemetry.io/otel/metric => ../../metric
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@ -1,12 +0,0 @@
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
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github.com/go-logr/logr v1.3.0 h1:2y3SDp0ZXuc6/cjLSZ+Q3ir+QB9T/iG5yYRXqsagWSY=
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github.com/go-logr/logr v1.3.0/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
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github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
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github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
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github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
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golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
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golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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@ -1,101 +0,0 @@
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"context"
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"io"
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"log"
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"os"
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"os/signal"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
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"go.opentelemetry.io/otel/sdk/resource"
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"go.opentelemetry.io/otel/sdk/trace"
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semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
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)
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// newExporter returns a console exporter.
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func newExporter(w io.Writer) (trace.SpanExporter, error) {
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return stdouttrace.New(
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stdouttrace.WithWriter(w),
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// Use human readable output.
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stdouttrace.WithPrettyPrint(),
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// Do not print timestamps for the demo.
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stdouttrace.WithoutTimestamps(),
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)
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}
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// newResource returns a resource describing this application.
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func newResource() *resource.Resource {
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r, _ := resource.Merge(
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resource.Default(),
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resource.NewWithAttributes(
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semconv.SchemaURL,
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semconv.ServiceName("fib"),
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semconv.ServiceVersion("v0.1.0"),
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attribute.String("environment", "demo"),
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),
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)
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return r
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}
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func main() {
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l := log.New(os.Stdout, "", 0)
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// Write telemetry data to a file.
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f, err := os.Create("traces.txt")
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if err != nil {
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l.Fatal(err)
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}
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defer f.Close()
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exp, err := newExporter(f)
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if err != nil {
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l.Fatal(err)
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}
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tp := trace.NewTracerProvider(
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trace.WithBatcher(exp),
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trace.WithResource(newResource()),
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)
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defer func() {
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if err := tp.Shutdown(context.Background()); err != nil {
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l.Fatal(err)
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}
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}()
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otel.SetTracerProvider(tp)
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sigCh := make(chan os.Signal, 1)
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signal.Notify(sigCh, os.Interrupt)
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errCh := make(chan error)
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app := NewApp(os.Stdin, l)
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go func() {
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errCh <- app.Run(context.Background())
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}()
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select {
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case <-sigCh:
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l.Println("\ngoodbye")
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return
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case err := <-errCh:
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if err != nil {
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l.Fatal(err)
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}
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}
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}
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@ -20,7 +20,6 @@ module-sets:
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- go.opentelemetry.io/otel/bridge/opentracing
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- go.opentelemetry.io/otel/bridge/opentracing/test
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- go.opentelemetry.io/otel/example/dice
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- go.opentelemetry.io/otel/example/fib
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- go.opentelemetry.io/otel/example/namedtracer
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- go.opentelemetry.io/otel/example/otel-collector
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- go.opentelemetry.io/otel/example/passthrough
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