forked from mirror/logrus
Move sentry hook to external repository
This commit is contained in:
evalphobia
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ba64a98b3b
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@ -205,7 +205,7 @@ Note: Syslog hook also support connecting to local syslog (Ex. "/dev/log" or "/v
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| [Papertrail](https://github.com/Sirupsen/logrus/blob/master/hooks/papertrail/papertrail.go) | Send errors to the Papertrail hosted logging service via UDP. |
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| [Syslog](https://github.com/Sirupsen/logrus/blob/master/hooks/syslog/syslog.go) | Send errors to remote syslog server. Uses standard library `log/syslog` behind the scenes. |
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| [BugSnag](https://github.com/Sirupsen/logrus/blob/master/hooks/bugsnag/bugsnag.go) | Send errors to the Bugsnag exception tracking service. |
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| [Sentry](https://github.com/Sirupsen/logrus/blob/master/hooks/sentry/sentry.go) | Send errors to the Sentry error logging and aggregation service. |
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| [Sentry](https://github.com/evalphobia/logrus_sentry) | Send errors to the Sentry error logging and aggregation service. |
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| [Hiprus](https://github.com/nubo/hiprus) | Send errors to a channel in hipchat. |
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| [Logrusly](https://github.com/sebest/logrusly) | Send logs to [Loggly](https://www.loggly.com/) |
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| [Slackrus](https://github.com/johntdyer/slackrus) | Hook for Slack chat. |
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@ -1,111 +0,0 @@
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# Sentry Hook for Logrus <img src="http://i.imgur.com/hTeVwmJ.png" width="40" height="40" alt=":walrus:" class="emoji" title=":walrus:" />
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[Sentry](https://getsentry.com) provides both self-hosted and hosted
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solutions for exception tracking.
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Both client and server are
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[open source](https://github.com/getsentry/sentry).
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## Usage
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Every sentry application defined on the server gets a different
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[DSN](https://www.getsentry.com/docs/). In the example below replace
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`YOUR_DSN` with the one created for your application.
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```go
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import (
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"github.com/Sirupsen/logrus"
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"github.com/Sirupsen/logrus/hooks/sentry"
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)
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func main() {
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log := logrus.New()
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hook, err := logrus_sentry.NewSentryHook(YOUR_DSN, []logrus.Level{
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logrus.PanicLevel,
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logrus.FatalLevel,
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logrus.ErrorLevel,
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})
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if err == nil {
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log.Hooks.Add(hook)
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}
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}
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```
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If you wish to initialize a SentryHook with tags, you can use the `NewWithTagsSentryHook` constructor to provide default tags:
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```go
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tags := map[string]string{
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"site": "example.com",
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}
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levels := []logrus.Level{
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logrus.PanicLevel,
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logrus.FatalLevel,
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logrus.ErrorLevel,
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}
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hook, err := logrus_sentry.NewWithTagsSentryHook(YOUR_DSN, tags, levels)
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```
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If you wish to initialize a SentryHook with an already initialized raven client, you can use
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the `NewWithClientSentryHook` constructor:
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```go
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import (
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"github.com/Sirupsen/logrus"
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"github.com/Sirupsen/logrus/hooks/sentry"
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"github.com/getsentry/raven-go"
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)
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func main() {
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log := logrus.New()
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client, err := raven.New(YOUR_DSN)
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if err != nil {
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log.Fatal(err)
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}
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hook, err := logrus_sentry.NewWithClientSentryHook(client, []logrus.Level{
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logrus.PanicLevel,
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logrus.FatalLevel,
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logrus.ErrorLevel,
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})
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if err == nil {
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log.Hooks.Add(hook)
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}
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}
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hook, err := NewWithClientSentryHook(client, []logrus.Level{
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logrus.ErrorLevel,
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})
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```
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## Special fields
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Some logrus fields have a special meaning in this hook,
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these are `server_name`, `logger` and `http_request`.
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When logs are sent to sentry these fields are treated differently.
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- `server_name` (also known as hostname) is the name of the server which
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is logging the event (hostname.example.com)
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- `logger` is the part of the application which is logging the event.
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In go this usually means setting it to the name of the package.
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- `http_request` is the in-coming request(*http.Request). The detailed request data are sent to Sentry.
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## Timeout
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`Timeout` is the time the sentry hook will wait for a response
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from the sentry server.
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If this time elapses with no response from
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the server an error will be returned.
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If `Timeout` is set to 0 the SentryHook will not wait for a reply
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and will assume a correct delivery.
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The SentryHook has a default timeout of `100 milliseconds` when created
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with a call to `NewSentryHook`. This can be changed by assigning a value to the `Timeout` field:
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```go
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hook, _ := logrus_sentry.NewSentryHook(...)
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hook.Timeout = 20*time.Second
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```
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@ -1,137 +0,0 @@
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package logrus_sentry
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import (
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"fmt"
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"net/http"
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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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func getAndDelRequest(d logrus.Fields, key string) (*http.Request, bool) {
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var (
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ok bool
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v interface{}
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req *http.Request
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)
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if v, ok = d[key]; !ok {
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return nil, false
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}
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if req, ok = v.(*http.Request); !ok || req == nil {
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return nil, false
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}
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delete(d, key)
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return req, 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.New(DSN)
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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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// NewWithTagsSentryHook creates a hook with tags to be added to an instance
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// of logger and initializes the raven client. This method sets the timeout to
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// 100 milliseconds.
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func NewWithTagsSentryHook(DSN string, tags map[string]string, levels []logrus.Level) (*SentryHook, error) {
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client, err := raven.NewWithTags(DSN, tags)
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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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// NewWithClientSentryHook creates a hook using an initialized raven client.
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// This method sets the timeout to 100 milliseconds.
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func NewWithClientSentryHook(client *raven.Client, levels []logrus.Level) (*SentryHook, error) {
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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, server_name and http_request
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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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if req, ok := getAndDelRequest(d, "http_request"); ok {
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packet.Interfaces = append(packet.Interfaces, raven.NewHttp(req))
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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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@ -1,154 +0,0 @@
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package logrus_sentry
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"reflect"
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"strings"
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"testing"
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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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const (
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message = "error message"
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server_name = "testserver.internal"
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logger_name = "test.logger"
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)
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func getTestLogger() *logrus.Logger {
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l := logrus.New()
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l.Out = ioutil.Discard
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return l
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}
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func WithTestDSN(t *testing.T, tf func(string, <-chan *raven.Packet)) {
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pch := make(chan *raven.Packet, 1)
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s := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
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defer req.Body.Close()
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d := json.NewDecoder(req.Body)
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p := &raven.Packet{}
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err := d.Decode(p)
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if err != nil {
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t.Fatal(err.Error())
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}
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pch <- p
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}))
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defer s.Close()
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fragments := strings.SplitN(s.URL, "://", 2)
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dsn := fmt.Sprintf(
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"%s://public:secret@%s/sentry/project-id",
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fragments[0],
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fragments[1],
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)
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tf(dsn, pch)
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}
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func TestSpecialFields(t *testing.T) {
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WithTestDSN(t, func(dsn string, pch <-chan *raven.Packet) {
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logger := getTestLogger()
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hook, err := NewSentryHook(dsn, []logrus.Level{
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logrus.ErrorLevel,
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})
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if err != nil {
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t.Fatal(err.Error())
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}
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logger.Hooks.Add(hook)
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req, _ := http.NewRequest("GET", "url", nil)
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logger.WithFields(logrus.Fields{
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"server_name": server_name,
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"logger": logger_name,
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"http_request": req,
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}).Error(message)
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packet := <-pch
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if packet.Logger != logger_name {
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t.Errorf("logger should have been %s, was %s", logger_name, packet.Logger)
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}
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if packet.ServerName != server_name {
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t.Errorf("server_name should have been %s, was %s", server_name, packet.ServerName)
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}
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})
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}
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func TestSentryHandler(t *testing.T) {
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WithTestDSN(t, func(dsn string, pch <-chan *raven.Packet) {
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logger := getTestLogger()
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hook, err := NewSentryHook(dsn, []logrus.Level{
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logrus.ErrorLevel,
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})
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if err != nil {
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t.Fatal(err.Error())
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}
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logger.Hooks.Add(hook)
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logger.Error(message)
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packet := <-pch
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if packet.Message != message {
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t.Errorf("message should have been %s, was %s", message, packet.Message)
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}
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})
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}
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func TestSentryWithClient(t *testing.T) {
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WithTestDSN(t, func(dsn string, pch <-chan *raven.Packet) {
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logger := getTestLogger()
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client, _ := raven.New(dsn)
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hook, err := NewWithClientSentryHook(client, []logrus.Level{
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logrus.ErrorLevel,
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})
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if err != nil {
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t.Fatal(err.Error())
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}
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logger.Hooks.Add(hook)
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logger.Error(message)
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packet := <-pch
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if packet.Message != message {
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t.Errorf("message should have been %s, was %s", message, packet.Message)
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}
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})
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}
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func TestSentryTags(t *testing.T) {
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WithTestDSN(t, func(dsn string, pch <-chan *raven.Packet) {
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logger := getTestLogger()
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tags := map[string]string{
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"site": "test",
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}
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levels := []logrus.Level{
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logrus.ErrorLevel,
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}
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hook, err := NewWithTagsSentryHook(dsn, tags, levels)
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if err != nil {
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t.Fatal(err.Error())
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}
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logger.Hooks.Add(hook)
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logger.Error(message)
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packet := <-pch
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expected := raven.Tags{
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raven.Tag{
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Key: "site",
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Value: "test",
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},
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}
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if !reflect.DeepEqual(packet.Tags, expected) {
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t.Errorf("message should have been %s, was %s", message, packet.Message)
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}
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})
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}
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