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fix(oci/puller): do not omit previous errors when returning them
Furthemore, tests have been added for the oci/puller package. Signed-off-by: Aldo Lacuku <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,178 @@ | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // Copyright (C) 2023 The Falco Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package puller_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "testing" | ||
|
|
||
| "github.com/distribution/distribution/v3/configuration" | ||
| _ "github.com/distribution/distribution/v3/registry/storage/driver/inmemory" | ||
| . "github.com/onsi/ginkgo/v2" | ||
| . "github.com/onsi/gomega" | ||
| v1 "github.com/opencontainers/image-spec/specs-go/v1" | ||
| "oras.land/oras-go/v2" | ||
| "oras.land/oras-go/v2/content/file" | ||
| "oras.land/oras-go/v2/registry/remote" | ||
| "oras.land/oras-go/v2/registry/remote/auth" | ||
|
|
||
| "github.com/falcosecurity/falcoctl/pkg/oci" | ||
| "github.com/falcosecurity/falcoctl/pkg/oci/authn" | ||
| ocipusher "github.com/falcosecurity/falcoctl/pkg/oci/pusher" | ||
| "github.com/falcosecurity/falcoctl/pkg/oci/repository" | ||
| testutils "github.com/falcosecurity/falcoctl/pkg/test" | ||
| ) | ||
|
|
||
| var ( | ||
| localRegistryHost string | ||
| localRegistry *remote.Registry | ||
| testRuleTarball = "../../test/data/rules.tar.gz" | ||
| testPluginTarball = "../../test/data/plugin.tar.gz" | ||
| testPluginPlatform1 = "linux/amd64" | ||
| testPluginPlatform2 = "windows/amd64" | ||
| testPluginPlatform3 = "linux/arm64" | ||
| ctx = context.Background() | ||
| destinationDir string | ||
| pluginMultiPlatformRef string | ||
| rulesRef string | ||
| artifactWithuoutConfigRef string | ||
| ) | ||
|
|
||
| func TestPuller(t *testing.T) { | ||
| RegisterFailHandler(Fail) | ||
| RunSpecs(t, "Puller Suite") | ||
| } | ||
|
|
||
| var _ = BeforeSuite(func() { | ||
| var err error | ||
| config := &configuration.Configuration{} | ||
| // Get a free port to be used by the registry. | ||
| port, err := testutils.FreePort() | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| // Create the registry address to which will bind. | ||
| config.HTTP.Addr = fmt.Sprintf("localhost:%d", port) | ||
| localRegistryHost = config.HTTP.Addr | ||
|
|
||
| // Create the oras registry. | ||
| localRegistry, err = testutils.NewOrasRegistry(localRegistryHost, true) | ||
| Expect(err).ToNot(HaveOccurred()) | ||
|
|
||
| // Start the local registry. | ||
| go func() { | ||
| err := testutils.StartRegistry(context.Background(), config) | ||
| Expect(err).ToNot(BeNil()) | ||
| }() | ||
|
|
||
| // Create the temporary dir where artifacts are saved. | ||
| destinationDir, err = os.MkdirTemp("", "falcoctl-puller-tests-") | ||
| Expect(err).ShouldNot(HaveOccurred()) | ||
|
|
||
| // Push the artifacts to the registry. | ||
| // Same artifacts will be used to test the puller code. | ||
| pusher := ocipusher.NewPusher(authn.NewClient(authn.WithCredentials(&auth.EmptyCredential)), true, nil) | ||
|
|
||
| // Push plugin artifact with multiple architectures. | ||
| filePathsAndPlatforms := ocipusher.WithFilepathsAndPlatforms([]string{testPluginTarball, testPluginTarball, testPluginTarball}, | ||
| []string{testPluginPlatform1, testPluginPlatform2, testPluginPlatform3}) | ||
| pluginMultiPlatformRef = localRegistryHost + "/plugins:multiplatform" | ||
| artConfig := oci.ArtifactConfig{} | ||
| Expect(artConfig.ParseDependencies("my-dep:1.2.3|my-alt-dep:1.4.5")).ToNot(HaveOccurred()) | ||
| Expect(artConfig.ParseRequirements("my-req:7.8.9")).ToNot(HaveOccurred()) | ||
| artifactConfig := ocipusher.WithArtifactConfig(artConfig) | ||
|
|
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| // Build options slice. | ||
| options := []ocipusher.Option{filePathsAndPlatforms, artifactConfig} | ||
|
|
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| // Push the plugin artifact. | ||
| _, err = pusher.Push(ctx, oci.Plugin, pluginMultiPlatformRef, options...) | ||
| Expect(err).ShouldNot(HaveOccurred()) | ||
|
|
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| // Prepare and push rulesfile artifact. | ||
| filePaths := ocipusher.WithFilepaths([]string{testRuleTarball}) | ||
| artConfig = oci.ArtifactConfig{} | ||
| Expect(artConfig.ParseDependencies("dep1:1.2.3", "dep2:2.3.1")).ToNot(HaveOccurred()) | ||
| options = []ocipusher.Option{ | ||
| filePaths, | ||
| ocipusher.WithTags("latest"), | ||
| ocipusher.WithArtifactConfig(artConfig), | ||
| } | ||
| // Push a new artifact | ||
| rulesRef = localRegistryHost + "/rulesfiles:regular" | ||
| _, err = pusher.Push(ctx, oci.Rulesfile, rulesRef, options...) | ||
| Expect(err).ShouldNot(HaveOccurred()) | ||
|
|
||
| // Push artifact without config layer. | ||
| artifactWithuoutConfigRef = localRegistryHost + "/artifact:noconfig" | ||
| err = pushArtifactWithoutConfigLayer(ctx, artifactWithuoutConfigRef, testRuleTarball, authn.NewClient(authn.WithCredentials(&auth.EmptyCredential))) | ||
| Expect(err).ShouldNot(HaveOccurred()) | ||
| }) | ||
|
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| func pushArtifactWithoutConfigLayer(ctx context.Context, ref, artifactPath string, client remote.Client) error { | ||
| repo, err := repository.NewRepository(ref, | ||
| repository.WithClient(client), | ||
| repository.WithPlainHTTP(true)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| fileStore, err := file.New(destinationDir) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| // Get absolute path of the artifact. | ||
|
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| path, err := filepath.Abs(artifactPath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| desc, err := fileStore.Add(ctx, filepath.Base(artifactPath), oci.FalcoRulesfileLayerMediaType, path) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| packOptions := oras.PackOptions{ | ||
| PackImageManifest: true, | ||
| } | ||
|
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| desc, err = oras.Pack(ctx, fileStore, "", []v1.Descriptor{desc}, packOptions) | ||
|
|
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| if err != nil { | ||
| return err | ||
| } | ||
|
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| if err := oras.CopyGraph(ctx, fileStore, repo, desc, oras.DefaultCopyGraphOptions); err != nil { | ||
| return err | ||
| } | ||
|
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| rootReader, err := fileStore.Fetch(ctx, desc) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer rootReader.Close() | ||
|
|
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| // Tag the root descriptor remotely. | ||
| err = repo.PushReference(ctx, desc, rootReader, repo.Reference.Reference) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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