forked from TrueCloudLab/frostfs-s3-gw
45 lines
998 B
Go
45 lines
998 B
Go
package main
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import (
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"fmt"
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"net/http"
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"github.com/gorilla/mux"
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)
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// Healthy is a health check interface.
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type Healthy interface {
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Status() error
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}
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const (
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healthyState = "NeoFS S3 Gateway is "
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hdrContentType = "Content-Type"
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defaultContentType = "text/plain; charset=utf-8"
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)
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func attachHealthy(r *mux.Router, h Healthy) {
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healthy := r.PathPrefix(systemPath + "/-").
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Subrouter().
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StrictSlash(true)
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healthy.HandleFunc("/ready", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set(hdrContentType, defaultContentType)
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w.WriteHeader(http.StatusOK)
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_, _ = fmt.Fprintln(w, healthyState+"ready")
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})
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healthy.HandleFunc("/healthy", func(w http.ResponseWriter, r *http.Request) {
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code := http.StatusOK
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msg := "healthy"
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if err := h.Status(); err != nil {
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msg = "unhealthy: " + err.Error()
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code = http.StatusBadRequest
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}
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w.Header().Set(hdrContentType, defaultContentType)
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w.WriteHeader(code)
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_, _ = fmt.Fprintln(w, healthyState+msg)
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})
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}
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