forked from TrueCloudLab/distribution
e2caaf9cba
Allow the storage driver to optionally use AWS SDK's dualstack mode. This allows the registry to communicate with S3 in IPv6 environments. Signed-off-by: Adam Kaplan <adam.kaplan@redhat.com>
765 lines
19 KiB
Go
765 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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"io/ioutil"
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"math/rand"
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"os"
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"reflect"
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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 s3DriverConstructor func(rootDirectory, storageClass string) (*Driver, error)
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var skipS3 func() string
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func init() {
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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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root, err := ioutil.TempDir("", "driver-")
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regionEndpoint := os.Getenv("REGION_ENDPOINT")
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sessionToken := os.Getenv("AWS_SESSION_TOKEN")
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useDualStack := os.Getenv("S3_USE_DUALSTACK")
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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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useDualStackBool := false
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if useDualStack != "" {
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useDualStackBool, err = strconv.ParseBool(useDualStack)
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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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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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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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}
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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, err := ioutil.TempDir("", "driver-")
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if err != nil {
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t.Fatalf("unexpected error creating temporary directory: %v", err)
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}
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defer os.Remove(validRoot)
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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 _, 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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}
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// TestWalkEmptySubDirectory assures we list an empty sub directory only once when walking
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// through its parent directory.
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func TestWalkEmptySubDirectory(t *testing.T) {
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if skipS3() != "" {
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t.Skip(skipS3())
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}
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drv, err := s3DriverConstructor("", 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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// create an empty sub directory.
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s3driver := drv.StorageDriver.(*driver)
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if _, err := s3driver.S3.PutObject(&s3.PutObjectInput{
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Bucket: aws.String(os.Getenv("S3_BUCKET")),
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Key: aws.String("/testdir/emptydir/"),
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}); err != nil {
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t.Fatalf("error creating empty directory: %s", err)
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}
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bucketFiles := []string{}
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s3driver.Walk(context.Background(), "/testdir", func(fileInfo storagedriver.FileInfo) error {
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bucketFiles = append(bucketFiles, fileInfo.Path())
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return nil
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})
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expected := []string{"/testdir/emptydir"}
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if !reflect.DeepEqual(bucketFiles, expected) {
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t.Errorf("expecting files %+v, found %+v instead", expected, bucketFiles)
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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, err := ioutil.TempDir("", "driver-")
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if err != nil {
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t.Fatalf("unexpected error creating temporary directory: %v", err)
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}
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defer os.Remove(rootDir)
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standardDriver, 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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rrDriver, err := s3DriverConstructor(rootDir, s3.StorageClassReducedRedundancy)
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if err != nil {
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t.Fatalf("unexpected error creating driver with reduced redundancy storage: %v", err)
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}
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if _, err = s3DriverConstructor(rootDir, noStorageClass); err != nil {
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t.Fatalf("unexpected error creating driver without storage class: %v", err)
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}
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standardFilename := "/test-standard"
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rrFilename := "/test-rr"
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contents := []byte("contents")
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ctx := context.Background()
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err = standardDriver.PutContent(ctx, standardFilename, 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 standardDriver.Delete(ctx, standardFilename)
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err = rrDriver.PutContent(ctx, rrFilename, 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 rrDriver.Delete(ctx, rrFilename)
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standardDriverUnwrapped := standardDriver.Base.StorageDriver.(*driver)
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resp, err := standardDriverUnwrapped.S3.GetObject(&s3.GetObjectInput{
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Bucket: aws.String(standardDriverUnwrapped.Bucket),
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Key: aws.String(standardDriverUnwrapped.s3Path(standardFilename)),
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})
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if err != nil {
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t.Fatalf("unexpected error retrieving standard storage file: %v", 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 resp.StorageClass != nil {
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t.Fatalf("unexpected storage class for standard file: %v", resp.StorageClass)
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}
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rrDriverUnwrapped := rrDriver.Base.StorageDriver.(*driver)
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resp, err = rrDriverUnwrapped.S3.GetObject(&s3.GetObjectInput{
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Bucket: aws.String(rrDriverUnwrapped.Bucket),
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Key: aws.String(rrDriverUnwrapped.s3Path(rrFilename)),
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})
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if err != nil {
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t.Fatalf("unexpected error retrieving reduced-redundancy storage file: %v", err)
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}
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defer resp.Body.Close()
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if resp.StorageClass == nil {
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t.Fatalf("unexpected storage class for reduced-redundancy file: %v", s3.StorageClassStandard)
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} else if *resp.StorageClass != s3.StorageClassReducedRedundancy {
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t.Fatalf("unexpected storage class for reduced-redundancy file: %v", *resp.StorageClass)
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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, err := ioutil.TempDir("", "driver-")
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if err != nil {
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t.Fatalf("unexpected error creating temporary directory: %v", err)
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}
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defer os.Remove(rootDir)
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driver, 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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var 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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var 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 _, path := range objs {
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if skipCase[path] {
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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'", path),
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delete: path,
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expected: []string{path},
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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 _, path := range objs {
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err := driver.PutContent(context.Background(), path, []byte("content "+path))
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if err != nil {
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fmt.Printf("unable to init file %s: %s\n", path, err)
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continue
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}
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created = append(created, path)
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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 _, path := range objs {
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err := driver.Delete(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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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 := driver.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 := driver.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, err := ioutil.TempDir("", "driver-")
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if err != nil {
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t.Fatalf("unexpected error creating temporary directory: %v", err)
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}
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defer os.Remove(rootDir)
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driver, 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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var 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 _, path := range fileset {
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err := driver.PutContent(context.Background(), path, []byte("content "+path))
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if err != nil {
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fmt.Printf("unable to create file %s: %s\n", path, err)
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continue
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}
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created = append(created, path)
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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 _, path := range created {
|
|
err := driver.Delete(context.Background(), path)
|
|
if err != nil {
|
|
_ = fmt.Errorf("cleanup failed for path %s: %s", path, err)
|
|
lastErr = err
|
|
}
|
|
}
|
|
if lastErr != nil {
|
|
t.Fatalf("cleanup failed: %s", err)
|
|
}
|
|
}()
|
|
|
|
tcs := []struct {
|
|
name string
|
|
fn storagedriver.WalkFn
|
|
from string
|
|
expected []string
|
|
err bool
|
|
}{
|
|
{
|
|
name: "walk all",
|
|
fn: func(fileInfo storagedriver.FileInfo) error { return nil },
|
|
expected: []string{
|
|
"/file1",
|
|
"/folder1",
|
|
"/folder1/file1",
|
|
"/folder2",
|
|
"/folder2/file1",
|
|
"/folder3",
|
|
"/folder3/subfolder1",
|
|
"/folder3/subfolder1/subfolder1",
|
|
"/folder3/subfolder1/subfolder1/file1",
|
|
"/folder3/subfolder2",
|
|
"/folder3/subfolder2/subfolder1",
|
|
"/folder3/subfolder2/subfolder1/file1",
|
|
"/folder4",
|
|
"/folder4/file1",
|
|
},
|
|
},
|
|
{
|
|
name: "skip directory",
|
|
fn: func(fileInfo storagedriver.FileInfo) error {
|
|
if fileInfo.Path() == "/folder3" {
|
|
return storagedriver.ErrSkipDir
|
|
}
|
|
if strings.Contains(fileInfo.Path(), "/folder3") {
|
|
t.Fatalf("skipped dir %s and should not walk %s", "/folder3", fileInfo.Path())
|
|
}
|
|
return nil
|
|
},
|
|
expected: []string{
|
|
"/file1",
|
|
"/folder1",
|
|
"/folder1/file1",
|
|
"/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 := driver.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, err := ioutil.TempDir("", "driver-")
|
|
if err != nil {
|
|
t.Fatalf("unexpected error creating temporary directory: %v", err)
|
|
}
|
|
defer os.Remove(rootDir)
|
|
|
|
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, err := ioutil.TempDir("", "driver-")
|
|
if err != nil {
|
|
t.Fatalf("unexpected error creating temporary directory: %v", err)
|
|
}
|
|
defer os.Remove(rootDir)
|
|
|
|
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 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)
|
|
}
|
|
}
|
|
}
|