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/-/{healthy,ready}/ respond to HEAD #3039

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Sep 9, 2022
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2 changes: 2 additions & 0 deletions docs/management_api.md
Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ Alertmanager provides a set of management API to ease automation and integration

```
GET /-/healthy
HEAD /-/healthy
```

This endpoint always returns 200 and should be used to check Alertmanager health.
Expand All @@ -21,6 +22,7 @@ This endpoint always returns 200 and should be used to check Alertmanager health

```
GET /-/ready
HEAD /-/ready
```

This endpoint returns 200 when Alertmanager is ready to serve traffic (i.e. respond to queries).
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6 changes: 6 additions & 0 deletions ui/web.go
Original file line number Diff line number Diff line change
Expand Up @@ -76,10 +76,16 @@ func Register(r *route.Router, reloadCh chan<- chan error, logger log.Logger) {
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, "OK")
}))
r.Head("/-/healthy", http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(http.StatusOK)
}))
r.Get("/-/ready", http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, "OK")
}))
r.Head("/-/ready", http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(http.StatusOK)
}))

r.Get("/debug/*subpath", http.DefaultServeMux.ServeHTTP)
r.Post("/debug/*subpath", http.DefaultServeMux.ServeHTTP)
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