forked from johannesboyne/gofakes3
/
context.go
109 lines (90 loc) · 2.52 KB
/
context.go
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package main
import (
"context"
"encoding/hex"
"fmt"
"math/rand"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
)
type Context struct {
context.Context
config Config
rand *rand.Rand
}
func (c *Context) Config() Config { return c.config }
func (c *Context) Rand() *rand.Rand { return c.rand }
func (c *Context) RandString(sz int) string { return hex.EncodeToString(c.RandBytes(sz)[:sz]) }
func (c *Context) RandBytes(sz int) []byte {
out := make([]byte, sz)
c.rand.Read(out)
return out
}
func (c *Context) S3Client() *s3.S3 {
config := aws.NewConfig()
if c.config.S3Endpoint != "" {
config.WithEndpoint(c.config.S3Endpoint)
}
if c.config.S3PathStyle {
config.WithS3ForcePathStyle(c.config.S3PathStyle)
}
if c.config.S3Region != "" {
config.WithRegion(c.config.S3Region)
}
if c.config.Verbose {
var logger Logger
config.WithLogLevel(aws.LogDebugWithHTTPBody)
config.WithLogger(logger)
}
svc := s3.New(session.New(), config)
return svc
}
func (c *Context) EnsureVersioningEnabled(client *s3.S3, bucket string) error {
vers, err := c.getBucketVersioning(client, bucket)
if err != nil {
return err
}
status := aws.StringValue(vers.Status)
if status != "Enabled" {
if _, err := client.PutBucketVersioning(&s3.PutBucketVersioningInput{
Bucket: aws.String(bucket),
VersioningConfiguration: &s3.VersioningConfiguration{
Status: aws.String("Enabled"),
},
}); err != nil {
return err
}
}
return nil
}
func (c *Context) EnsureVersioningNeverEnabled(client *s3.S3, bucket string) error {
vers, err := c.getBucketVersioning(client, bucket)
if err != nil {
return err
}
if aws.StringValue(vers.Status) != "" {
return fmt.Errorf("unexpected status, found %q", aws.StringValue(vers.Status))
}
return nil
}
func (c *Context) getBucketVersioning(client *s3.S3, bucket string) (*s3.GetBucketVersioningOutput, error) {
vers, err := client.GetBucketVersioning(&s3.GetBucketVersioningInput{Bucket: aws.String(bucket)})
if err != nil {
return nil, err
}
status := aws.StringValue(vers.Status)
if status != "" && status != "Enabled" && status != "Suspended" {
return nil, fmt.Errorf("unexpected status %q", status)
}
mfaDelete := aws.StringValue(vers.MFADelete)
if mfaDelete != "" && mfaDelete != "Disabled" {
return nil, fmt.Errorf("unexpected MFADelete %q", aws.StringValue(vers.MFADelete))
}
return vers, nil
}
type Logger struct{}
func (l Logger) Log(vs ...interface{}) {
fmt.Println(vs...)
fmt.Println()
}