801 lines
19 KiB
Go
801 lines
19 KiB
Go
package s3
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import (
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"bytes"
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"errors"
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"fmt"
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"math/rand"
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"os"
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"path"
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"reflect"
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"sort"
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"strconv"
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"strings"
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"testing"
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"gopkg.in/check.v1"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/s3"
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"github.com/distribution/distribution/v3/context"
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storagedriver "github.com/distribution/distribution/v3/registry/storage/driver"
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"github.com/distribution/distribution/v3/registry/storage/driver/testsuites"
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)
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// Hook up gocheck into the "go test" runner.
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func Test(t *testing.T) { check.TestingT(t) }
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var (
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s3DriverConstructor func(rootDirectory, storageClass string) (*Driver, error)
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skipS3 func() string
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)
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func init() {
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var (
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accessKey = os.Getenv("AWS_ACCESS_KEY")
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secretKey = os.Getenv("AWS_SECRET_KEY")
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bucket = os.Getenv("S3_BUCKET")
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encrypt = os.Getenv("S3_ENCRYPT")
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keyID = os.Getenv("S3_KEY_ID")
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secure = os.Getenv("S3_SECURE")
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skipVerify = os.Getenv("S3_SKIP_VERIFY")
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v4Auth = os.Getenv("S3_V4_AUTH")
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region = os.Getenv("AWS_REGION")
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objectACL = os.Getenv("S3_OBJECT_ACL")
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regionEndpoint = os.Getenv("REGION_ENDPOINT")
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forcePathStyle = os.Getenv("AWS_S3_FORCE_PATH_STYLE")
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sessionToken = os.Getenv("AWS_SESSION_TOKEN")
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useDualStack = os.Getenv("S3_USE_DUALSTACK")
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combineSmallPart = os.Getenv("MULTIPART_COMBINE_SMALL_PART")
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accelerate = os.Getenv("S3_ACCELERATE")
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)
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root, err := os.MkdirTemp("", "driver-")
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if err != nil {
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panic(err)
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}
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defer os.Remove(root)
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s3DriverConstructor = func(rootDirectory, storageClass string) (*Driver, error) {
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encryptBool := false
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if encrypt != "" {
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encryptBool, err = strconv.ParseBool(encrypt)
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if err != nil {
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return nil, err
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}
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}
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secureBool := true
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if secure != "" {
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secureBool, err = strconv.ParseBool(secure)
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if err != nil {
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return nil, err
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}
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}
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skipVerifyBool := false
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if skipVerify != "" {
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skipVerifyBool, err = strconv.ParseBool(skipVerify)
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if err != nil {
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return nil, err
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}
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}
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v4Bool := true
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if v4Auth != "" {
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v4Bool, err = strconv.ParseBool(v4Auth)
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if err != nil {
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return nil, err
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}
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}
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forcePathStyleBool := true
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if forcePathStyle != "" {
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forcePathStyleBool, err = strconv.ParseBool(forcePathStyle)
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if err != nil {
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return nil, err
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}
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}
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useDualStackBool := false
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if useDualStack != "" {
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useDualStackBool, err = strconv.ParseBool(useDualStack)
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}
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multipartCombineSmallPart := true
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if combineSmallPart != "" {
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multipartCombineSmallPart, err = strconv.ParseBool(combineSmallPart)
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if err != nil {
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return nil, err
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}
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}
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accelerateBool := true
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if accelerate != "" {
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accelerateBool, err = strconv.ParseBool(accelerate)
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if err != nil {
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return nil, err
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}
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}
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parameters := DriverParameters{
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accessKey,
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secretKey,
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bucket,
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region,
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regionEndpoint,
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forcePathStyleBool,
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encryptBool,
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keyID,
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secureBool,
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skipVerifyBool,
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v4Bool,
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minChunkSize,
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defaultMultipartCopyChunkSize,
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defaultMultipartCopyMaxConcurrency,
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defaultMultipartCopyThresholdSize,
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multipartCombineSmallPart,
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rootDirectory,
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storageClass,
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driverName + "-test",
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objectACL,
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sessionToken,
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useDualStackBool,
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accelerateBool,
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}
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return New(parameters)
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}
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// Skip S3 storage driver tests if environment variable parameters are not provided
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skipS3 = func() string {
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if accessKey == "" || secretKey == "" || region == "" || bucket == "" || encrypt == "" {
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return "Must set AWS_ACCESS_KEY, AWS_SECRET_KEY, AWS_REGION, S3_BUCKET, and S3_ENCRYPT to run S3 tests"
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}
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return ""
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}
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testsuites.RegisterSuite(func() (storagedriver.StorageDriver, error) {
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return s3DriverConstructor(root, s3.StorageClassStandard)
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}, skipS3)
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}
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func TestEmptyRootList(t *testing.T) {
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if skipS3() != "" {
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t.Skip(skipS3())
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}
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validRoot := t.TempDir()
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rootedDriver, err := s3DriverConstructor(validRoot, s3.StorageClassStandard)
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if err != nil {
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t.Fatalf("unexpected error creating rooted driver: %v", err)
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}
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emptyRootDriver, err := s3DriverConstructor("", s3.StorageClassStandard)
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if err != nil {
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t.Fatalf("unexpected error creating empty root driver: %v", err)
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}
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slashRootDriver, err := s3DriverConstructor("/", s3.StorageClassStandard)
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if err != nil {
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t.Fatalf("unexpected error creating slash root driver: %v", err)
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}
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filename := "/test"
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contents := []byte("contents")
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ctx := context.Background()
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err = rootedDriver.PutContent(ctx, filename, contents)
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if err != nil {
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t.Fatalf("unexpected error creating content: %v", err)
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}
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defer rootedDriver.Delete(ctx, filename)
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keys, _ := emptyRootDriver.List(ctx, "/")
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for _, path := range keys {
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if !storagedriver.PathRegexp.MatchString(path) {
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t.Fatalf("unexpected string in path: %q != %q", path, storagedriver.PathRegexp)
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}
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}
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keys, _ = slashRootDriver.List(ctx, "/")
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for _, p := range keys {
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if !storagedriver.PathRegexp.MatchString(p) {
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t.Fatalf("unexpected string in path: %q != %q", p, storagedriver.PathRegexp)
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}
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}
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}
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func TestStorageClass(t *testing.T) {
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if skipS3() != "" {
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t.Skip(skipS3())
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}
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rootDir := t.TempDir()
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contents := []byte("contents")
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ctx := context.Background()
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for _, storageClass := range s3StorageClasses {
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filename := "/test-" + storageClass
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s3Driver, err := s3DriverConstructor(rootDir, storageClass)
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if err != nil {
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t.Fatalf("unexpected error creating driver with storage class %v: %v", storageClass, err)
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}
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err = s3Driver.PutContent(ctx, filename, contents)
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if err != nil {
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t.Fatalf("unexpected error creating content with storage class %v: %v", storageClass, err)
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}
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defer s3Driver.Delete(ctx, filename)
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driverUnwrapped := s3Driver.Base.StorageDriver.(*driver)
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resp, err := driverUnwrapped.S3.GetObject(&s3.GetObjectInput{
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Bucket: aws.String(driverUnwrapped.Bucket),
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Key: aws.String(driverUnwrapped.s3Path(filename)),
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})
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if err != nil {
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t.Fatalf("unexpected error retrieving file with storage class %v: %v", storageClass, err)
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}
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defer resp.Body.Close()
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// Amazon only populates this header value for non-standard storage classes
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if storageClass == s3.StorageClassStandard && resp.StorageClass != nil {
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t.Fatalf(
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"unexpected response storage class for file with storage class %v: %v",
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storageClass,
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*resp.StorageClass,
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)
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} else if storageClass != s3.StorageClassStandard && resp.StorageClass == nil {
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t.Fatalf(
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"unexpected response storage class for file with storage class %v: %v",
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storageClass,
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s3.StorageClassStandard,
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)
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} else if storageClass != s3.StorageClassStandard && storageClass != *resp.StorageClass {
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t.Fatalf(
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"unexpected response storage class for file with storage class %v: %v",
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storageClass,
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*resp.StorageClass,
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)
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}
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}
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}
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func TestDelete(t *testing.T) {
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if skipS3() != "" {
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t.Skip(skipS3())
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}
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rootDir := t.TempDir()
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drvr, err := s3DriverConstructor(rootDir, s3.StorageClassStandard)
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if err != nil {
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t.Fatalf("unexpected error creating driver with standard storage: %v", err)
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}
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type errFn func(error) bool
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type testCase struct {
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name string
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delete string
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expected []string
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// error validation function
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err errFn
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}
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errPathNotFound := func(err error) bool {
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if err == nil {
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return false
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}
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switch err.(type) {
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case storagedriver.PathNotFoundError:
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return true
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}
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return false
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}
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errInvalidPath := func(err error) bool {
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if err == nil {
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return false
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}
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switch err.(type) {
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case storagedriver.InvalidPathError:
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return true
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}
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return false
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}
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objs := []string{
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"/file1",
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"/file1-2",
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"/file1/2",
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"/folder1/file1",
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"/folder2/file1",
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"/folder3/file1",
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"/folder3/subfolder1/subfolder1/file1",
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"/folder3/subfolder2/subfolder1/file1",
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"/folder4/file1",
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"/folder1-v2/file1",
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"/folder1-v2/subfolder1/file1",
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}
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tcs := []testCase{
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{
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// special case where a given path is a file and has subpaths
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name: "delete file1",
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delete: "/file1",
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expected: []string{
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"/file1",
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"/file1/2",
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},
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},
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{
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name: "delete folder1",
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delete: "/folder1",
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expected: []string{
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"/folder1/file1",
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},
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},
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{
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name: "delete folder2",
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delete: "/folder2",
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expected: []string{
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"/folder2/file1",
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},
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},
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{
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name: "delete folder3",
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delete: "/folder3",
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expected: []string{
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"/folder3/file1",
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"/folder3/subfolder1/subfolder1/file1",
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"/folder3/subfolder2/subfolder1/file1",
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},
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},
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{
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name: "delete path that doesn't exist",
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delete: "/path/does/not/exist",
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expected: []string{},
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err: errPathNotFound,
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},
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{
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name: "delete path invalid: trailing slash",
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delete: "/path/is/invalid/",
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expected: []string{},
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err: errInvalidPath,
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},
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{
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name: "delete path invalid: trailing special character",
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delete: "/path/is/invalid*",
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expected: []string{},
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err: errInvalidPath,
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},
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}
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// objects to skip auto-created test case
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skipCase := map[string]bool{
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// special case where deleting "/file1" also deletes "/file1/2" is tested explicitly
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"/file1": true,
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}
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// create a test case for each file
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for _, p := range objs {
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if skipCase[p] {
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continue
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}
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tcs = append(tcs, testCase{
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name: fmt.Sprintf("delete path:'%s'", p),
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delete: p,
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expected: []string{p},
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})
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}
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init := func() []string {
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// init file structure matching objs
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var created []string
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for _, p := range objs {
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err := drvr.PutContent(context.Background(), p, []byte("content "+p))
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if err != nil {
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fmt.Printf("unable to init file %s: %s\n", p, err)
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continue
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}
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created = append(created, p)
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}
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return created
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}
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cleanup := func(objs []string) {
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var lastErr error
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for _, p := range objs {
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err := drvr.Delete(context.Background(), p)
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if err != nil {
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switch err.(type) {
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case storagedriver.PathNotFoundError:
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continue
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}
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lastErr = err
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}
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}
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if lastErr != nil {
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t.Fatalf("cleanup failed: %s", lastErr)
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}
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}
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defer cleanup(objs)
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for _, tc := range tcs {
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t.Run(tc.name, func(t *testing.T) {
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objs := init()
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err := drvr.Delete(context.Background(), tc.delete)
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if tc.err != nil {
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if err == nil {
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t.Fatalf("expected error")
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}
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if !tc.err(err) {
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t.Fatalf("error does not match expected: %s", err)
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}
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}
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if tc.err == nil && err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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var issues []string
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// validate all files expected to be deleted are deleted
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// and all files not marked for deletion still remain
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expected := tc.expected
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isExpected := func(path string) bool {
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for _, epath := range expected {
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if epath == path {
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return true
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}
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}
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return false
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}
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for _, path := range objs {
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stat, err := drvr.Stat(context.Background(), path)
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if err != nil {
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switch err.(type) {
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case storagedriver.PathNotFoundError:
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if !isExpected(path) {
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issues = append(issues, fmt.Sprintf("unexpected path was deleted: %s", path))
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}
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// path was deleted & was supposed to be
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continue
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}
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t.Fatalf("stat: %s", err)
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}
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if stat.IsDir() {
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// for special cases where an object path has subpaths (eg /file1)
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// once /file1 is deleted it's now a directory according to stat
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continue
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}
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if isExpected(path) {
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issues = append(issues, fmt.Sprintf("expected path was not deleted: %s", path))
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}
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}
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if len(issues) > 0 {
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t.Fatalf(strings.Join(issues, "; \n\t"))
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}
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})
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}
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}
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func TestWalk(t *testing.T) {
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if skipS3() != "" {
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t.Skip(skipS3())
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}
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rootDir := t.TempDir()
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drvr, err := s3DriverConstructor(rootDir, s3.StorageClassStandard)
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if err != nil {
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t.Fatalf("unexpected error creating driver with standard storage: %v", err)
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}
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fileset := []string{
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"/file1",
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"/folder1/file1",
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"/folder2/file1",
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"/folder3/subfolder1/subfolder1/file1",
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"/folder3/subfolder2/subfolder1/file1",
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"/folder4/file1",
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}
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// create file structure matching fileset above
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var created []string
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for _, p := range fileset {
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err := drvr.PutContent(context.Background(), p, []byte("content "+p))
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if err != nil {
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fmt.Printf("unable to create file %s: %s\n", p, err)
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continue
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}
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created = append(created, p)
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}
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// cleanup
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defer func() {
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var lastErr error
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for _, p := range created {
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err := drvr.Delete(context.Background(), p)
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if err != nil {
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_ = fmt.Errorf("cleanup failed for path %s: %s", p, err)
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lastErr = err
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}
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}
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if lastErr != nil {
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t.Fatalf("cleanup failed: %s", err)
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}
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}()
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tcs := []struct {
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name string
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fn storagedriver.WalkFn
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from string
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expected []string
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err bool
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}{
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{
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name: "walk all",
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fn: func(fileInfo storagedriver.FileInfo) error { return nil },
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expected: []string{
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"/file1",
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"/folder1",
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"/folder1/file1",
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"/folder2",
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"/folder2/file1",
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"/folder3",
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"/folder3/subfolder1",
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"/folder3/subfolder1/subfolder1",
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"/folder3/subfolder1/subfolder1/file1",
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"/folder3/subfolder2",
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"/folder3/subfolder2/subfolder1",
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"/folder3/subfolder2/subfolder1/file1",
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"/folder4",
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"/folder4/file1",
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},
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},
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{
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name: "skip directory",
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fn: func(fileInfo storagedriver.FileInfo) error {
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if fileInfo.Path() == "/folder3" {
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return storagedriver.ErrSkipDir
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}
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if strings.Contains(fileInfo.Path(), "/folder3") {
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t.Fatalf("skipped dir %s and should not walk %s", "/folder3", fileInfo.Path())
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}
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return nil
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},
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expected: []string{
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"/file1",
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"/folder1",
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"/folder1/file1",
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"/folder2",
|
|
"/folder2/file1",
|
|
"/folder3",
|
|
// folder 3 contents skipped
|
|
"/folder4",
|
|
"/folder4/file1",
|
|
},
|
|
},
|
|
{
|
|
name: "stop early",
|
|
fn: func(fileInfo storagedriver.FileInfo) error {
|
|
if fileInfo.Path() == "/folder1/file1" {
|
|
return storagedriver.ErrSkipDir
|
|
}
|
|
return nil
|
|
},
|
|
expected: []string{
|
|
"/file1",
|
|
"/folder1",
|
|
"/folder1/file1",
|
|
// stop early
|
|
},
|
|
err: false,
|
|
},
|
|
{
|
|
name: "error",
|
|
fn: func(fileInfo storagedriver.FileInfo) error {
|
|
return errors.New("foo")
|
|
},
|
|
expected: []string{
|
|
"/file1",
|
|
},
|
|
err: true,
|
|
},
|
|
{
|
|
name: "from folder",
|
|
fn: func(fileInfo storagedriver.FileInfo) error { return nil },
|
|
expected: []string{
|
|
"/folder1",
|
|
"/folder1/file1",
|
|
},
|
|
from: "/folder1",
|
|
},
|
|
}
|
|
|
|
for _, tc := range tcs {
|
|
var walked []string
|
|
if tc.from == "" {
|
|
tc.from = "/"
|
|
}
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
err := drvr.Walk(context.Background(), tc.from, func(fileInfo storagedriver.FileInfo) error {
|
|
walked = append(walked, fileInfo.Path())
|
|
return tc.fn(fileInfo)
|
|
})
|
|
if tc.err && err == nil {
|
|
t.Fatalf("expected err")
|
|
}
|
|
if !tc.err && err != nil {
|
|
t.Fatalf(err.Error())
|
|
}
|
|
compareWalked(t, tc.expected, walked)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestOverThousandBlobs(t *testing.T) {
|
|
if skipS3() != "" {
|
|
t.Skip(skipS3())
|
|
}
|
|
|
|
rootDir := t.TempDir()
|
|
standardDriver, err := s3DriverConstructor(rootDir, s3.StorageClassStandard)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error creating driver with standard storage: %v", err)
|
|
}
|
|
|
|
ctx := context.Background()
|
|
for i := 0; i < 1005; i++ {
|
|
filename := "/thousandfiletest/file" + strconv.Itoa(i)
|
|
contents := []byte("contents")
|
|
err = standardDriver.PutContent(ctx, filename, contents)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error creating content: %v", err)
|
|
}
|
|
}
|
|
|
|
// cant actually verify deletion because read-after-delete is inconsistent, but can ensure no errors
|
|
err = standardDriver.Delete(ctx, "/thousandfiletest")
|
|
if err != nil {
|
|
t.Fatalf("unexpected error deleting thousand files: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestMoveWithMultipartCopy(t *testing.T) {
|
|
if skipS3() != "" {
|
|
t.Skip(skipS3())
|
|
}
|
|
|
|
rootDir := t.TempDir()
|
|
d, err := s3DriverConstructor(rootDir, s3.StorageClassStandard)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error creating driver: %v", err)
|
|
}
|
|
|
|
ctx := context.Background()
|
|
sourcePath := "/source"
|
|
destPath := "/dest"
|
|
|
|
defer d.Delete(ctx, sourcePath)
|
|
defer d.Delete(ctx, destPath)
|
|
|
|
// An object larger than d's MultipartCopyThresholdSize will cause d.Move() to perform a multipart copy.
|
|
multipartCopyThresholdSize := d.baseEmbed.Base.StorageDriver.(*driver).MultipartCopyThresholdSize
|
|
contents := make([]byte, 2*multipartCopyThresholdSize)
|
|
rand.Read(contents)
|
|
|
|
err = d.PutContent(ctx, sourcePath, contents)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error creating content: %v", err)
|
|
}
|
|
|
|
err = d.Move(ctx, sourcePath, destPath)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error moving file: %v", err)
|
|
}
|
|
|
|
received, err := d.GetContent(ctx, destPath)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error getting content: %v", err)
|
|
}
|
|
if !bytes.Equal(contents, received) {
|
|
t.Fatal("content differs")
|
|
}
|
|
|
|
_, err = d.GetContent(ctx, sourcePath)
|
|
switch err.(type) {
|
|
case storagedriver.PathNotFoundError:
|
|
default:
|
|
t.Fatalf("unexpected error getting content: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestListObjectsV2(t *testing.T) {
|
|
if skipS3() != "" {
|
|
t.Skip(skipS3())
|
|
}
|
|
|
|
rootDir := t.TempDir()
|
|
d, err := s3DriverConstructor(rootDir, s3.StorageClassStandard)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error creating driver: %v", err)
|
|
}
|
|
|
|
ctx := context.Background()
|
|
n := 6
|
|
prefix := "/test-list-objects-v2"
|
|
var filePaths []string
|
|
for i := 0; i < n; i++ {
|
|
filePaths = append(filePaths, fmt.Sprintf("%s/%d", prefix, i))
|
|
}
|
|
for _, p := range filePaths {
|
|
if err := d.PutContent(ctx, p, []byte(p)); err != nil {
|
|
t.Fatalf("unexpected error putting content: %v", err)
|
|
}
|
|
}
|
|
|
|
info, err := d.Stat(ctx, filePaths[0])
|
|
if err != nil {
|
|
t.Fatalf("unexpected error stating: %v", err)
|
|
}
|
|
|
|
if info.IsDir() || info.Size() != int64(len(filePaths[0])) || info.Path() != filePaths[0] {
|
|
t.Fatal("unexcepted state info")
|
|
}
|
|
|
|
subDirPath := prefix + "/sub/0"
|
|
if err := d.PutContent(ctx, subDirPath, []byte(subDirPath)); err != nil {
|
|
t.Fatalf("unexpected error putting content: %v", err)
|
|
}
|
|
|
|
subPaths := append(filePaths, path.Dir(subDirPath))
|
|
|
|
result, err := d.List(ctx, prefix)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error listing: %v", err)
|
|
}
|
|
|
|
sort.Strings(subPaths)
|
|
sort.Strings(result)
|
|
if !reflect.DeepEqual(subPaths, result) {
|
|
t.Fatalf("unexpected list result")
|
|
}
|
|
|
|
var walkPaths []string
|
|
if err := d.Walk(ctx, prefix, func(fileInfo storagedriver.FileInfo) error {
|
|
walkPaths = append(walkPaths, fileInfo.Path())
|
|
if fileInfo.Path() == path.Dir(subDirPath) {
|
|
if !fileInfo.IsDir() {
|
|
t.Fatalf("unexpected walking file info")
|
|
}
|
|
} else {
|
|
if fileInfo.IsDir() || fileInfo.Size() != int64(len(fileInfo.Path())) {
|
|
t.Fatalf("unexpected walking file info")
|
|
}
|
|
}
|
|
return nil
|
|
}); err != nil {
|
|
t.Fatalf("unexpected error walking: %v", err)
|
|
}
|
|
|
|
subPaths = append(subPaths, subDirPath)
|
|
sort.Strings(walkPaths)
|
|
sort.Strings(subPaths)
|
|
if !reflect.DeepEqual(subPaths, walkPaths) {
|
|
t.Fatalf("unexpected walking paths")
|
|
}
|
|
|
|
if err := d.Delete(ctx, prefix); err != nil {
|
|
t.Fatalf("unexpected error deleting: %v", err)
|
|
}
|
|
}
|
|
|
|
func compareWalked(t *testing.T, expected, walked []string) {
|
|
if len(walked) != len(expected) {
|
|
t.Fatalf("Mismatch number of fileInfo walked %d expected %d; walked %s; expected %s;", len(walked), len(expected), walked, expected)
|
|
}
|
|
for i := range walked {
|
|
if walked[i] != expected[i] {
|
|
t.Fatalf("walked in unexpected order: expected %s; walked %s", expected, walked)
|
|
}
|
|
}
|
|
}
|