hw/main.go

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package main
import (
"encoding/json"
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"fmt"
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"log"
"net/http"
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"os"
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)
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const version = "v0.0.10"
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type v struct {
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Hostname string `json:"hostname"`
V string `json:"version"`
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}
func main() {
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hn, err := os.Hostname()
if err != nil {
log.Fatalf("hostname: %+v", err)
}
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http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-Type", "application/json")
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r := v{
Hostname: hn,
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V: version,
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}
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if err := json.NewEncoder(w).Encode(r); err != nil {
log.Printf("json: %+v", err)
}
})
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http.HandleFunc("/env", func(w http.ResponseWriter, req *http.Request) {
for _, line := range os.Environ() {
fmt.Fprintf(w, "%v\n", line)
}
})
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http.HandleFunc("/live", func(w http.ResponseWriter, req *http.Request) {
log.Printf("live")
})
http.HandleFunc("/ready", func(w http.ResponseWriter, req *http.Request) {
log.Printf("ready")
})
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if err := http.ListenAndServe(":8080", nil); err != nil {
log.Fatalf("listen and serve: %v", err)
}
}