57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package main
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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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func main() {
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log.Println("Starting quinistry")
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image := GetImageOfCurrentExecutable()
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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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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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// 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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// 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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// 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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log.Printf("Unhandled request: %v\n", *r)
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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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