func openS3Datastore(params config.S3Datastore) (repo.Datastore, error) {
// TODO support credentials files
auth, err := aws.EnvAuth()
if err != nil {
return nil, err
}
region := aws.GetRegion(params.Region)
if region.Name == "" {
return nil, fmt.Errorf("unknown AWS region: %q", params.Region)
}
if params.Bucket == "" {
return nil, fmt.Errorf("invalid S3 bucket: %q", params.Bucket)
}
client := s3.New(auth, region)
// There are too many gophermucking s3datastores in my
// gophermucking source.
return &s3datastore.S3Datastore{
Client: client,
Bucket: params.Bucket,
ACL: s3.ACL(params.ACL),
}, nil
}
// PUT on a bucket creates the bucket.
// http://docs.amazonwebservices.com/AmazonS3/latest/API/RESTBucketPUT.html
func (r bucketResource) put(a *action) interface{} {
var created bool
if r.bucket == nil {
if !validBucketName(r.name) {
fatalf(400, "InvalidBucketName", "The specified bucket is not valid")
}
if loc := locationConstraint(a); loc == "" {
fatalf(400, "InvalidRequets", "The unspecified location constraint is incompatible for the region specific endpoint this request was sent to.")
}
// TODO validate acl
r.bucket = &bucket{
name: r.name,
// TODO default acl
objects: make(map[string]*object),
}
a.srv.buckets[r.name] = r.bucket
created = true
}
if !created && a.srv.config.send409Conflict() {
fatalf(409, "BucketAlreadyOwnedByYou", "Your previous request to create the named bucket succeeded and you already own it.")
}
r.bucket.acl = s3.ACL(a.req.Header.Get("x-amz-acl"))
return nil
}