81 lines
2.4 KiB
Go
81 lines
2.4 KiB
Go
package logrus_bugsnag
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import (
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"errors"
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"github.com/sirupsen/logrus"
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"github.com/bugsnag/bugsnag-go"
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bugsnag_errors "github.com/bugsnag/bugsnag-go/errors"
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)
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type bugsnagHook struct{}
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// ErrBugsnagUnconfigured is returned if NewBugsnagHook is called before
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// bugsnag.Configure. Bugsnag must be configured before the hook.
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var ErrBugsnagUnconfigured = errors.New("bugsnag must be configured before installing this logrus hook")
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// ErrBugsnagSendFailed indicates that the hook failed to submit an error to
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// bugsnag. The error was successfully generated, but `bugsnag.Notify()`
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// failed.
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type ErrBugsnagSendFailed struct {
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err error
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}
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func (e ErrBugsnagSendFailed) Error() string {
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return "failed to send error to Bugsnag: " + e.err.Error()
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}
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// NewBugsnagHook initializes a logrus hook which sends exceptions to an
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// exception-tracking service compatible with the Bugsnag API. Before using
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// this hook, you must call bugsnag.Configure(). The returned object should be
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// registered with a log via `AddHook()`
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//
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// Entries that trigger an Error, Fatal or Panic should now include an "error"
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// field to send to Bugsnag.
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func NewBugsnagHook() (*bugsnagHook, error) {
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if bugsnag.Config.APIKey == "" {
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return nil, ErrBugsnagUnconfigured
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}
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return &bugsnagHook{}, nil
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}
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// skipStackFrames skips logrus stack frames before logging to Bugsnag.
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const skipStackFrames = 4
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// Fire forwards an error to Bugsnag. Given a logrus.Entry, it extracts the
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// "error" field (or the Message if the error isn't present) and sends it off.
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func (hook *bugsnagHook) Fire(entry *logrus.Entry) error {
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var notifyErr error
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err, ok := entry.Data["error"].(error)
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if ok {
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notifyErr = err
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} else {
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notifyErr = errors.New(entry.Message)
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}
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metadata := bugsnag.MetaData{}
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metadata["metadata"] = make(map[string]interface{})
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for key, val := range entry.Data {
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if key != "error" {
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metadata["metadata"][key] = val
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}
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}
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errWithStack := bugsnag_errors.New(notifyErr, skipStackFrames)
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bugsnagErr := bugsnag.Notify(errWithStack, metadata)
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if bugsnagErr != nil {
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return ErrBugsnagSendFailed{bugsnagErr}
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}
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return nil
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}
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// Levels enumerates the log levels on which the error should be forwarded to
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// bugsnag: everything at or above the "Error" level.
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func (hook *bugsnagHook) Levels() []logrus.Level {
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return []logrus.Level{
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logrus.ErrorLevel,
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logrus.FatalLevel,
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logrus.PanicLevel,
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}
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}
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