sentryiris

README

Official Sentry Iris Handler for Sentry-go SDK

go.dev: https://pkg.go.dev/github.com/getsentry/sentry-go/iris

Example: https://github.com/getsentry/sentry-go/tree/master/_examples/iris

Installation

go get github.com/getsentry/sentry-go/iris

import (
    "fmt"

    "github.com/getsentry/sentry-go"
    sentryiris "github.com/getsentry/sentry-go/iris"
    "github.com/kataras/iris/v12"
)

// To initialize Sentry's handler, you need to initialize Sentry itself beforehand
if err := sentry.Init(sentry.ClientOptions{
    Dsn: "your-public-dsn",
}); err != nil {
    fmt.Printf("Sentry initialization failed: %v\n", err)
}

// Then create your app
app := iris.Default()

// Once it's done, you can attach the handler as one of your middleware
app.Use(sentryiris.New(sentryiris.Options{}))

// Set up routes
app.Get("/", func(ctx iris.Context) {
    ctx.Writef("Hello world!")
})

// And run it
app.Run(iris.Addr(":3000"))

Configuration

sentryiris accepts a struct of Options that allows you to configure how the handler will behave.

Currently it respects 3 options:

// Whether Sentry should repanic after recovery, in most cases it should be set to true,
// as iris.Default includes its own Recovery middleware that handles http responses.
Repanic         bool
// Whether you want to block the request before moving forward with the response.
// Because Iris's default `Recovery` handler doesn't restart the application,
// it's safe to either skip this option or set it to `false`.
WaitForDelivery bool
// Timeout for the event delivery requests.
Timeout         time.Duration

Usage

sentryiris attaches an instance of *sentry.Hub (https://pkg.go.dev/github.com/getsentry/sentry-go#Hub) to the iris.Context, which makes it available throughout the rest of the request's lifetime. You can access it by using the sentryiris.GetHubFromContext() method on the context itself in any of your proceeding middleware and routes. And it should be used instead of the global sentry.CaptureMessage, sentry.CaptureException, or any other calls, as it keeps the separation of data between the requests.

Keep in mind that *sentry.Hub won't be available in middleware attached before to sentryiris!

app := iris.Default()

app.Use(sentryiris.New(sentryiris.Options{
    Repanic: true,
}))

app.Use(func(ctx iris.Context) {
    if hub := sentryiris.GetHubFromContext(ctx); hub != nil {
        hub.Scope().SetTag("someRandomTag", "maybeYouNeedIt")
    }
    ctx.Next()
})

app.Get("/", func(ctx iris.Context) {
    if hub := sentryiris.GetHubFromContext(ctx); hub != nil {
        hub.WithScope(func(scope *sentry.Scope) {
            scope.SetExtra("unwantedQuery", "someQueryDataMaybe")
            hub.CaptureMessage("User provided unwanted query string, but we recovered just fine")
        })
    }
})

app.Get("/foo", func(ctx iris.Context) {
    // sentryiris handler will catch it just fine. Also, because we attached "someRandomTag"
    // in the middleware before, it will be sent through as well
    panic("y tho")
})

app.Run(iris.Addr(":3000"))

Accessing Request in BeforeSend callback

sentry.Init(sentry.ClientOptions{
    Dsn: "your-public-dsn",
    BeforeSend: func(event *sentry.Event, hint *sentry.EventHint) *sentry.Event {
        if hint.Context != nil {
            if req, ok := hint.Context.Value(sentry.RequestContextKey).(*http.Request); ok {
                // You have access to the original Request here
            }
        }

        return event
    },
})

Documentation

Index

• func GetHubFromContext(ctx iris.Context) *sentry.Hub
• func GetSpanFromContext(ctx iris.Context) *sentry.Span
• func New(options Options) iris.Handler
• type Options

Examples

• GetSpanFromContext

Functions

func GetHubFromContext

func GetHubFromContext(ctx iris.Context) *sentry.Hub

GetHubFromContext retrieves attached *sentry.Hub instance from iris.Context.

func GetSpanFromContext

func GetSpanFromContext(ctx iris.Context) *sentry.Span

GetSpanFromContext retrieves attached *sentry.Span instance from iris.Context. If there is no transaction on iris.Context, it will return nil.

Example

app := iris.New()
app.Use(sentryiris.New(sentryiris.Options{}))
app.Get("/", func(ctx iris.Context) {
	expensiveThing := func(ctx context.Context) {
		span := sentry.StartSpan(ctx, "expensive_thing")
		defer span.Finish()
		// do resource intensive thing
	}

	// Acquire transaction on current hub that's created by the SDK.
	// Be careful, it might be a nil value if you didn't set up sentryiris middleware.
	sentrySpan := sentryiris.GetSpanFromContext(ctx)
	// Pass in the `.Context()` method from `*sentry.Span` struct.
	// The `context.Context` instance inherits the context from `iris.Context`.
	expensiveThing(sentrySpan.Context())

	ctx.StatusCode(http.StatusOK)
})

func New

func New(options Options) iris.Handler

New returns a function that satisfies iris.Handler interface It can be used with Use() method.

Types

type Options

type Options struct {
	// Repanic configures whether Sentry should repanic after recovery, in most cases it should be set to true,
	// as iris.Default includes it's own Recovery middleware what handles http responses.
	Repanic bool
	// WaitForDelivery configures whether you want to block the request before moving forward with the response.
	// Because Iris's default Recovery handler doesn't restart the application,
	// it's safe to either skip this option or set it to false.
	WaitForDelivery bool
	// Timeout for the event delivery requests.
	Timeout time.Duration
}