57 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package main
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| 
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| import (
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| 	"fmt"
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| 	"log"
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| 	"net/http"
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| )
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| 
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| func main() {
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| 	log.Println("Starting quinistry")
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| 
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| 	image := GetImageOfCurrentExecutable()
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| 
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| 	layerUri := fmt.Sprintf("/v2/quinistry/blobs/%s", image.LayerDigest)
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| 	configUri := fmt.Sprintf("/v2/quinistry/blobs/%s", image.ConfigDigest)
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| 
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| 	log.Fatal(http.ListenAndServe(":8080", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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| 		// Acknowledge that we speak V2
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| 		if r.RequestURI == "/v2/" {
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| 			logRequest("Acknowleding V2 API", r)
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| 			fmt.Fprintln(w)
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| 			return
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| 		}
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| 
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| 		// Serve manifest
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| 		if r.RequestURI == "/v2/quinistry/manifests/latest" {
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| 			logRequest("Serving manifest", r)
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| 			w.Header().Set(ContentType, ManifestMediaType)
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| 			w.Header().Add(DigestHeader, image.ManifestDigest)
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| 			w.Write(image.Manifest)
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| 			return
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| 		}
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| 
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| 		// Serve actual image layer
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| 		if r.RequestURI == layerUri {
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| 			logRequest("Serving image layer blob", r)
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| 			w.Header().Add(DigestHeader, image.LayerDigest)
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| 			w.Write(image.Layer)
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| 			return
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| 		}
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| 
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| 		// Serve image config
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| 		if r.RequestURI == configUri {
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| 			logRequest("Serving config", r)
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| 			w.Header().Set("Content-Type", ImageConfigMediaType)
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| 			w.Header().Set(DigestHeader, image.ConfigDigest)
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| 			w.Write(image.Config)
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| 			return
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| 		}
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| 
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| 		log.Printf("Unhandled request: %v\n", *r)
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| 	})))
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| }
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| 
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| func logRequest(msg string, r *http.Request) {
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| 	log.Printf("%s: %s %s\n", msg, r.Method, r.RequestURI)
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| }
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