forked from TrueCloudLab/distribution
77e69b9cf3
Signed-off-by: Olivier Gambier <olivier@docker.com>
131 lines
4.5 KiB
Go
131 lines
4.5 KiB
Go
package bugsnag
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import (
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"github.com/bugsnag/bugsnag-go/errors"
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"log"
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"net/http"
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"os"
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"sync"
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// Fixes a bug with SHA-384 intermediate certs on some platforms.
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// - https://github.com/bugsnag/bugsnag-go/issues/9
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_ "crypto/sha512"
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)
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// The current version of bugsnag-go.
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const VERSION = "1.0.2"
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var once sync.Once
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var middleware middlewareStack
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// The configuration for the default bugsnag notifier.
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var Config Configuration
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var defaultNotifier = Notifier{&Config, nil}
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// Configure Bugsnag. The only required setting is the APIKey, which can be
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// obtained by clicking on "Settings" in your Bugsnag dashboard. This function
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// is also responsible for installing the global panic handler, so it should be
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// called as early as possible in your initialization process.
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func Configure(config Configuration) {
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Config.update(&config)
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once.Do(Config.PanicHandler)
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}
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// Notify sends an error to Bugsnag along with the current stack trace. The
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// rawData is used to send extra information along with the error. For example
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// you can pass the current http.Request to Bugsnag to see information about it
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// in the dashboard, or set the severity of the notification.
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func Notify(err error, rawData ...interface{}) error {
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return defaultNotifier.Notify(errors.New(err, 1), rawData...)
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}
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// AutoNotify logs a panic on a goroutine and then repanics.
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// It should only be used in places that have existing panic handlers further
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// up the stack. See bugsnag.Recover(). The rawData is used to send extra
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// information along with any panics that are handled this way.
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// Usage: defer bugsnag.AutoNotify()
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func AutoNotify(rawData ...interface{}) {
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if err := recover(); err != nil {
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rawData = defaultNotifier.addDefaultSeverity(rawData, SeverityError)
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defaultNotifier.Notify(errors.New(err, 2), rawData...)
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panic(err)
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}
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}
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// Recover logs a panic on a goroutine and then recovers.
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// The rawData is used to send extra information along with
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// any panics that are handled this way
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// Usage: defer bugsnag.Recover()
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func Recover(rawData ...interface{}) {
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if err := recover(); err != nil {
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rawData = defaultNotifier.addDefaultSeverity(rawData, SeverityWarning)
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defaultNotifier.Notify(errors.New(err, 2), rawData...)
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}
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}
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// OnBeforeNotify adds a callback to be run before a notification is sent to
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// Bugsnag. It can be used to modify the event or its MetaData. Changes made
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// to the configuration are local to notifying about this event. To prevent the
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// event from being sent to Bugsnag return an error, this error will be
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// returned from bugsnag.Notify() and the event will not be sent.
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func OnBeforeNotify(callback func(event *Event, config *Configuration) error) {
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middleware.OnBeforeNotify(callback)
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}
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// Handler creates an http Handler that notifies Bugsnag any panics that
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// happen. It then repanics so that the default http Server panic handler can
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// handle the panic too. The rawData is used to send extra information along
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// with any panics that are handled this way.
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func Handler(h http.Handler, rawData ...interface{}) http.Handler {
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notifier := New(rawData...)
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if h == nil {
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h = http.DefaultServeMux
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}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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defer notifier.AutoNotify(r)
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h.ServeHTTP(w, r)
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})
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}
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// HandlerFunc creates an http HandlerFunc that notifies Bugsnag about any
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// panics that happen. It then repanics so that the default http Server panic
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// handler can handle the panic too. The rawData is used to send extra
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// information along with any panics that are handled this way. If you have
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// already wrapped your http server using bugsnag.Handler() you don't also need
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// to wrap each HandlerFunc.
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func HandlerFunc(h http.HandlerFunc, rawData ...interface{}) http.HandlerFunc {
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notifier := New(rawData...)
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return func(w http.ResponseWriter, r *http.Request) {
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defer notifier.AutoNotify(r)
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h(w, r)
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}
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}
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func init() {
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// Set up builtin middlewarez
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OnBeforeNotify(httpRequestMiddleware)
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// Default configuration
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Config.update(&Configuration{
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APIKey: "",
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Endpoint: "https://notify.bugsnag.com/",
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Hostname: "",
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AppVersion: "",
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ReleaseStage: "",
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ParamsFilters: []string{"password", "secret"},
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// * for app-engine
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ProjectPackages: []string{"main*"},
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NotifyReleaseStages: nil,
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Logger: log.New(os.Stdout, log.Prefix(), log.Flags()),
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PanicHandler: defaultPanicHandler,
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Transport: http.DefaultTransport,
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})
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hostname, err := os.Hostname()
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if err == nil {
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Config.Hostname = hostname
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}
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}
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