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68171c7a63
Start http handler on port 8080 and return OK. Also add some documentation fixes for the prometheus middleware.
39 lines
550 B
Go
39 lines
550 B
Go
package health
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import (
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"io"
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"log"
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"net/http"
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"sync"
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)
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var once sync.Once
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type Health struct {
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Addr string
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}
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func health(w http.ResponseWriter, r *http.Request) {
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io.WriteString(w, ok)
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}
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func (h Health) ListenAndServe() error {
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if h.Addr == "" {
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h.Addr = defAddr
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}
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once.Do(func() {
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http.HandleFunc("/health", health)
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go func() {
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if err := http.ListenAndServe(h.Addr, nil); err != nil {
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log.Printf("[ERROR] Failed to start health handler: %s", err)
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}
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}()
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})
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return nil
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}
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const (
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ok = "OK"
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defAddr = ":8080"
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)
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