mirror of https://github.com/knative/func.git
86 lines
2.1 KiB
Go
86 lines
2.1 KiB
Go
package oci
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"log"
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"net"
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"net/http"
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"os"
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"testing"
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"github.com/google/go-containerregistry/pkg/registry"
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fn "knative.dev/func/pkg/functions"
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. "knative.dev/func/pkg/testing"
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)
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// TestPusher ensures that the pusher contacts the endpoint on request with
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// the expected content type (see the go-containerregistry library for
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// tests which confirm it is functioning as expected from there, and the
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// builder tests which ensure the container being pushed is OCI-compliant.)
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func TestPusher(t *testing.T) {
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var (
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root, done = Mktemp(t)
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verbose = false
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insecure = true
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success = false
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err error
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)
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defer done()
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// Start a handler on an OS-chosen port which confirms that an incoming
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// requests looks for the most part like what we'd expect to see from a
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// container push.
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regLog := io.Discard
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if verbose {
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regLog = os.Stderr
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}
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regHandler := registry.New(registry.Logger(log.New(regLog, "img reg handler: ", log.LstdFlags)))
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handler := http.NewServeMux()
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handler.HandleFunc("/", func(res http.ResponseWriter, req *http.Request) {
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regHandler.ServeHTTP(res, req)
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if req.Method == http.MethodPut && req.URL.Path == "/v2/funcs/f/manifests/latest" {
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success = true
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}
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})
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l, err := net.Listen("tcp4", "127.0.0.1:")
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if err != nil {
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t.Fatal(err)
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}
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s := http.Server{Handler: handler}
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go func() {
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if err = s.Serve(l); err != nil && !errors.Is(err, http.ErrServerClosed) {
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fmt.Fprintf(os.Stderr, "error serving: %v", err)
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}
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}()
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defer s.Close()
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// Create and push a function
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client := fn.New(
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fn.WithBuilder(NewBuilder("", verbose)),
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fn.WithPusher(NewPusher(insecure, verbose)))
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f := fn.Function{Root: root, Runtime: "go", Name: "f", Registry: l.Addr().String() + "/funcs"}
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if f, err = client.Init(f); err != nil {
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t.Fatal(err)
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}
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if f, err = client.Build(context.Background(), f); err != nil {
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t.Fatal(err)
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}
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if _, err = client.Push(context.Background(), f); err != nil {
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t.Fatal(err)
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}
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// Confirm the handler received at least on PUT request containing
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// an image index.
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if !success {
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t.Fatal("did not receive the image index JSON")
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}
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}
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