101 lines
2.4 KiB
Go
101 lines
2.4 KiB
Go
package logrus_sentry
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import (
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"fmt"
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"time"
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"github.com/Sirupsen/logrus"
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"github.com/getsentry/raven-go"
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)
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var (
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severityMap = map[logrus.Level]raven.Severity{
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logrus.DebugLevel: raven.DEBUG,
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logrus.InfoLevel: raven.INFO,
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logrus.WarnLevel: raven.WARNING,
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logrus.ErrorLevel: raven.ERROR,
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logrus.FatalLevel: raven.FATAL,
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logrus.PanicLevel: raven.FATAL,
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}
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)
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func getAndDel(d logrus.Fields, key string) (string, bool) {
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var (
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ok bool
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v interface{}
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val string
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)
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if v, ok = d[key]; !ok {
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return "", false
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}
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if val, ok = v.(string); !ok {
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return "", false
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}
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delete(d, key)
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return val, true
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}
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// SentryHook delivers logs to a sentry server.
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type SentryHook struct {
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// Timeout sets the time to wait for a delivery error from the sentry server.
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// If this is set to zero the server will not wait for any response and will
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// consider the message correctly sent
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Timeout time.Duration
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client *raven.Client
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levels []logrus.Level
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}
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// NewSentryHook creates a hook to be added to an instance of logger
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// and initializes the raven client.
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// This method sets the timeout to 100 milliseconds.
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func NewSentryHook(DSN string, levels []logrus.Level) (*SentryHook, error) {
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client, err := raven.NewClient(DSN, nil)
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if err != nil {
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return nil, err
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}
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return &SentryHook{100 * time.Millisecond, client, levels}, nil
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}
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// Called when an event should be sent to sentry
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// Special fields that sentry uses to give more information to the server
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// are extracted from entry.Data (if they are found)
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// These fields are: logger and server_name
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func (hook *SentryHook) Fire(entry *logrus.Entry) error {
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packet := &raven.Packet{
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Message: entry.Message,
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Timestamp: raven.Timestamp(entry.Time),
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Level: severityMap[entry.Level],
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Platform: "go",
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}
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d := entry.Data
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if logger, ok := getAndDel(d, "logger"); ok {
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packet.Logger = logger
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}
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if serverName, ok := getAndDel(d, "server_name"); ok {
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packet.ServerName = serverName
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}
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packet.Extra = map[string]interface{}(d)
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_, errCh := hook.client.Capture(packet, nil)
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timeout := hook.Timeout
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if timeout != 0 {
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timeoutCh := time.After(timeout)
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select {
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case err := <-errCh:
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return err
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case <-timeoutCh:
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return fmt.Errorf("no response from sentry server in %s", timeout)
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}
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}
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return nil
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}
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// Levels returns the available logging levels.
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func (hook *SentryHook) Levels() []logrus.Level {
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return hook.levels
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}
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