73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
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package main
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import (
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"os"
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"path/filepath"
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"strings"
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"testing"
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"gopkg.in/yaml.v3"
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)
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type pinValues struct {
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Image struct {
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Digest string `yaml:"digest"`
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} `yaml:"image"`
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Args []string `yaml:"args"`
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}
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func loadPinValues(t *testing.T, name string) pinValues {
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t.Helper()
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raw, err := os.ReadFile(filepath.Join("..", "..", "values", name))
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if err != nil {
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t.Fatal(err)
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}
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var v pinValues
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if err := yaml.Unmarshal(raw, &v); err != nil {
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t.Fatal(err)
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}
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return v
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}
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func argAfter(args []string, flag string) []string {
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var out []string
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for i := 0; i+1 < len(args); i++ {
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if args[i] == flag {
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out = append(out, args[i+1])
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}
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}
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return out
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}
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// FLEX-WP-0035-T04, contract §4: the readback pin runs each participant's
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// package at the same digest its own pin runs. The package is baked into the
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// image, so same image digest and same path is the same package digest.
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func TestReadbackPinMatchesParticipantPins(t *testing.T) {
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readback := loadPinValues(t, "application-readback.yaml")
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if len(readback.Args) == 0 || readback.Args[0] != "serve-readback" {
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t.Fatal("readback pin must run serve-readback, which mounts no /v1/check")
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}
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participants := map[string]string{"informed-decision": "informed-decision-lifecycle.yaml"}
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packages := argAfter(readback.Args, "--package")
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if len(packages) != len(participants) {
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t.Fatalf("readback packages %v, want one per participant %v", packages, participants)
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}
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for _, pkg := range packages {
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system, path, _ := strings.Cut(pkg, "=")
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file, ok := participants[system]
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if !ok {
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t.Fatalf("readback package for %q has no participant pin", system)
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}
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own := loadPinValues(t, file)
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if own.Image.Digest != readback.Image.Digest {
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t.Errorf("%s: readback image %s, own pin %s", system, readback.Image.Digest, own.Image.Digest)
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}
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if policies := argAfter(own.Args, "--policy"); len(policies) != 1 || policies[0] != path {
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t.Errorf("%s: readback package %s, own pin %v", system, path, policies)
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}
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if !strings.Contains(strings.Join(argAfter(readback.Args, "--registry"), " "), strings.Join(argAfter(own.Args, "--registry"), " ")) {
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t.Errorf("%s: readback pin does not load its registry", system)
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}
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}
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}
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