Calculate lifecycle digest and output version as part of acceptance t…

…esting This can help us diagnose weird failures in CI Signed-off-by: Natalie Arellano <[email protected]>
buildpacks · Nov 3, 2023 · 3781972 · 3781972
1 parent 55f4521
commit 3781972
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Showing 2 changed files with 22 additions and 3 deletions.
diff --git a/acceptance/phase_test.go b/acceptance/phase_test.go
@@ -133,6 +133,14 @@ func (p *PhaseTest) Start(t *testing.T, phaseOp ...func(*testing.T, *PhaseTest))
 		p.testImageDockerContext,
 		h.WithArgs("-f", filepath.Join(p.testImageDockerContext, dockerfileName)),
 	)
+	t.Logf("Using image %s with lifecycle version %s",
+		p.testImageRef,
+		h.DockerRun(
+			t,
+			p.testImageRef,
+			h.WithFlags("--env", "CNB_PLATFORM_API="+latestPlatformAPI, "--entrypoint", "/cnb/lifecycle/lifecycle"),
+			h.WithArgs("-version"),
+		))
 }
 
 func (p *PhaseTest) Stop(t *testing.T) {

diff --git a/testhelpers/binaries.go b/testhelpers/binaries.go
@@ -1,15 +1,18 @@
 package testhelpers
 
 import (
+	"crypto/sha256"
+	"encoding/hex"
 	"fmt"
+	"io"
 	"os"
 	"os/exec"
 	"path/filepath"
 	"testing"
 )
 
 func MakeAndCopyLifecycle(t *testing.T, goos, goarch, destDir string, envs ...string) {
-	buildDir, err := filepath.Abs(filepath.Join("..", "out"))
+	outParentDir, err := filepath.Abs(filepath.Join("..", "out"))
 	AssertNil(t, err)
 
 	cmd := exec.Command("make", fmt.Sprintf("build-%s-%s", goos, goarch)) // #nosec G204
@@ -21,15 +24,23 @@ func MakeAndCopyLifecycle(t *testing.T, goos, goarch, destDir string, envs ...st
 	envs = append(
 		envs,
 		"PWD="+cmd.Dir,
-		"BUILD_DIR="+buildDir,
+		"BUILD_DIR="+outParentDir,
 	)
 	cmd.Env = append(os.Environ(), envs...)
 
 	t.Log("Building binaries:", cmd.Args)
 	output := Run(t, cmd)
 	t.Log(output)
 
-	copyLifecycle(t, filepath.Join(buildDir, fmt.Sprintf("%s-%s", goos, goarch), "lifecycle"), destDir)
+	outDir := filepath.Join(outParentDir, fmt.Sprintf("%s-%s", goos, goarch), "lifecycle")
+	hasher := sha256.New()
+	f, err := os.Open(filepath.Join(outDir, "lifecycle")) //#nosec G304
+	AssertNil(t, err)
+	_, err = io.Copy(hasher, f)
+	AssertNil(t, err)
+	t.Logf("Built lifecycle binary with digest: %s", hex.EncodeToString(hasher.Sum(nil)))
+
+	copyLifecycle(t, outDir, destDir)
 }
 
 func copyLifecycle(t *testing.T, src, dst string) {