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feat: speeds up layer verification and removes non-required layers fr…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // SPDX-FileCopyrightText: 2023-Present The UDS Authors | ||
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| // Package test provides e2e tests for UDS. | ||
| package test | ||
|
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||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| "testing" | ||
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||
| ocispec "github.com/opencontainers/image-spec/specs-go/v1" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestBundleOptionalComponents(t *testing.T) { | ||
| deployZarfInit(t) | ||
| e2e.SetupDockerRegistry(t, 888) | ||
| defer e2e.TeardownRegistry(t, 888) | ||
|
|
||
| // create 2 Zarf pkgs to be bundled | ||
| zarfPkgPath := "src/test/packages/podinfo-and-nginx" | ||
| e2e.CreateZarfPkg(t, zarfPkgPath, false) | ||
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| zarfPkgPath = "src/test/packages/prometheus" | ||
| pkg := filepath.Join(zarfPkgPath, fmt.Sprintf("zarf-package-prometheus-%s-0.0.1.tar.zst", e2e.Arch)) | ||
| e2e.CreateZarfPkg(t, zarfPkgPath, false) | ||
| zarfPublish(t, pkg, "localhost:888") | ||
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| // create bundle and publish | ||
| bundleDir := "src/test/bundles/14-optional-components" | ||
| bundleName := "optional-components" | ||
| bundleTarballName := fmt.Sprintf("uds-bundle-%s-%s-0.0.1.tar.zst", bundleName, e2e.Arch) | ||
| bundlePath := filepath.Join(bundleDir, bundleTarballName) | ||
| createLocal(t, bundleDir, e2e.Arch) | ||
| publishInsecure(t, bundlePath, "localhost:888") | ||
|
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||
| t.Run("look through contents of local bundle to ensure only selected components are present", func(t *testing.T) { | ||
| // local pkgs will have a correct pkg manifest (ie. missing non-selected optional component tarballs) | ||
| // remote pkgs will not, they will contain non-selected optional component tarballs | ||
| // because they already have a pkg manifest and we don't want to rewrite it | ||
| introspectOptionalComponentsBundle(t) | ||
| }) | ||
|
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||
| t.Run("test local deploy", func(t *testing.T) { | ||
| deploy(t, bundlePath) | ||
| remove(t, bundlePath) | ||
| }) | ||
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| t.Run("test remote deploy + pulled deploy", func(t *testing.T) { | ||
| pulledBundlePath := filepath.Join("build", bundleTarballName) | ||
| pull(t, fmt.Sprintf("localhost:888/%s:0.0.1", bundleName), bundleTarballName) | ||
| deployAndRemoveLocalAndRemoteInsecure(t, fmt.Sprintf("oci://localhost:888/%s:0.0.1", bundleName), pulledBundlePath) | ||
| }) | ||
| } | ||
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| // introspectOptionalComponentsBundle is a helper function that decompresses a bundle tarball and introspects the contents | ||
| // (has hardcoded checks meant for only the bundle in 14-optional-components) | ||
| func introspectOptionalComponentsBundle(t *testing.T) { | ||
| // ensure a decompressed bundle doesn't already exist | ||
| decompressionLoc := "build/decompressed-bundle" | ||
| err := os.RemoveAll(decompressionLoc) | ||
| if err != nil { | ||
| return | ||
| } | ||
| defer e2e.CleanFiles(decompressionLoc) | ||
|
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| // decompress the bundle | ||
| bundlePath := fmt.Sprintf("src/test/bundles/14-optional-components/uds-bundle-optional-components-%s-0.0.1.tar.zst", e2e.Arch) | ||
| cmd := []string{"zarf", "tools", "archiver", "decompress", bundlePath, decompressionLoc} | ||
| _, _, err = e2e.UDS(cmd...) | ||
| require.NoError(t, err) | ||
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| // read in the bundle's index.json | ||
| index := ocispec.Index{} | ||
| bundleIndexBytes, err := os.ReadFile(filepath.Join(decompressionLoc, "index.json")) | ||
| require.NoError(t, err) | ||
| err = json.Unmarshal(bundleIndexBytes, &index) | ||
| require.NoError(t, err) | ||
| require.Equal(t, 1, len(index.Manifests)) | ||
| blobsDir := filepath.Join(decompressionLoc, "blobs", "sha256") | ||
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| // grab the bundle root manifest | ||
| rootManifesBytes, err := os.ReadFile(filepath.Join(blobsDir, index.Manifests[0].Digest.Encoded())) | ||
| require.NoError(t, err) | ||
| bundleRootManifest := ocispec.Manifest{} | ||
| err = json.Unmarshal(rootManifesBytes, &bundleRootManifest) | ||
| require.NoError(t, err) | ||
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| // grab the first pkg (note that it came from a remote source) | ||
| pkgManifestBytes, err := os.ReadFile(filepath.Join(blobsDir, bundleRootManifest.Layers[0].Digest.Encoded())) | ||
| require.NoError(t, err) | ||
| remotePkgManifest := ocispec.Manifest{} | ||
| err = json.Unmarshal(pkgManifestBytes, &remotePkgManifest) | ||
| require.NoError(t, err) | ||
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| // ensure kiwix not present in bundle bc we didn't specify its component in the optional components | ||
| ensureImgNotPresent(t, "ghcr.io/kiwix/kiwix-serve", remotePkgManifest, blobsDir) | ||
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| // for this remote pkg, ensure component tars exist in img manifest, but not in the bundle | ||
| componentName := "optional-kiwix" | ||
| verifyComponentNotIncluded := false | ||
| for _, desc := range remotePkgManifest.Layers { | ||
| if strings.Contains(desc.Annotations[ocispec.AnnotationTitle], fmt.Sprintf("components/%s.tar", componentName)) { | ||
| _, err = os.ReadFile(filepath.Join(blobsDir, desc.Digest.Encoded())) | ||
| require.ErrorContains(t, err, "no such file or directory") | ||
| verifyComponentNotIncluded = true | ||
| } | ||
| } | ||
| require.True(t, verifyComponentNotIncluded) | ||
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| // grab the second pkg (note that it came from a local source) | ||
| pkgManifestBytes, err = os.ReadFile(filepath.Join(blobsDir, bundleRootManifest.Layers[1].Digest.Encoded())) | ||
| require.NoError(t, err) | ||
| localPkgManifest := ocispec.Manifest{} | ||
| err = json.Unmarshal(pkgManifestBytes, &localPkgManifest) | ||
| require.NoError(t, err) | ||
|
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| // ensure nginx not present in bundle bc we didn't specify its component in the optional components | ||
| ensureImgNotPresent(t, "docker.io/library/nginx", localPkgManifest, blobsDir) | ||
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| // for this local pkg, ensure component tars DO NOT exist in img manifest | ||
| componentName = "nginx-remote" | ||
| verifyComponentNotIncluded = true | ||
| for _, desc := range localPkgManifest.Layers { | ||
| if strings.Contains(desc.Annotations[ocispec.AnnotationTitle], fmt.Sprintf("components/%s.tar", componentName)) { | ||
| // component shouldn't exist in pkg manifest for locally sourced pkgs | ||
| verifyComponentNotIncluded = false | ||
| } | ||
| } | ||
| require.True(t, verifyComponentNotIncluded) | ||
| } | ||
|
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| func ensureImgNotPresent(t *testing.T, imgName string, remotePkgManifest ocispec.Manifest, blobsDir string) { | ||
| // used to verify that the kiwix img is not included in the bundle (note that kiwix is intentionally excluded!) | ||
| verifyImgNotIncluded := false | ||
|
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| // grab image index from pkg root manifest | ||
| var imgIndex ocispec.Index | ||
| for _, layer := range remotePkgManifest.Layers { | ||
| if layer.Annotations[ocispec.AnnotationTitle] == "images/index.json" { | ||
| imgIndexBytes, err := os.ReadFile(filepath.Join(blobsDir, layer.Digest.Encoded())) | ||
| require.NoError(t, err) | ||
| err = json.Unmarshal(imgIndexBytes, &imgIndex) | ||
| require.NoError(t, err) | ||
|
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| // ensure specified img exists in the img index but isn't actually included in the bundle | ||
| for _, desc := range imgIndex.Manifests { | ||
| if strings.Contains(desc.Annotations[ocispec.AnnotationBaseImageName], imgName) { | ||
| _, err = os.ReadFile(filepath.Join(blobsDir, desc.Digest.Encoded())) | ||
| require.ErrorContains(t, err, "no such file or directory") | ||
| verifyImgNotIncluded = true | ||
| break | ||
| } | ||
| } | ||
| break | ||
| } | ||
| } | ||
| require.True(t, verifyImgNotIncluded) | ||
| } |
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