feat: support profiles on aws s3

config/config.go

@@ -249,6 +249,7 @@ type S3 struct {
 	Region   string
 	Bucket   string
 	Folder   string
+	Profile  string
 	Endpoint string // used for minio for example
 }
 

pipeline/s3/s3.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/apex/log"
 	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/credentials"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
 	"github.com/goreleaser/goreleaser/config"
@@ -60,10 +61,15 @@ func (Pipe) Run(ctx *context.Context) error {
 
 func upload(ctx *context.Context, conf config.S3) error {
 	var awsConfig = aws.NewConfig()
+	// TODO: add a test for this
 	if conf.Endpoint != "" {
 		awsConfig.Endpoint = aws.String(conf.Endpoint)
 		awsConfig.S3ForcePathStyle = aws.Bool(true)
 	}
+	// TODO: add a test for this
+	if conf.Profile != "" {
+		awsConfig.Credentials = credentials.NewSharedCredentials("", conf.Profile)
+	}
 	sess := session.Must(session.NewSession(awsConfig))
 	svc := s3.New(sess, &aws.Config{
 		Region: aws.String(conf.Region),

www/content/s3.md

@@ -21,9 +21,11 @@ use cases. If you need one of such use cases, please open an issue/pull request.
 s3:
   # You can have multiple s3 configs
   -
-    # bucket name
+    # Bucket name (without the s3:// prefix)
+    # Default is empty.
     bucket: my-bucket
-    # region, defaults to us-east-1
+    # AWS Region to use.
+    # Defaults is us-east-1
     region: us-east-1
     # path inside the bucket.
     # This is parsed with the Go template engine and the following variables
@@ -35,8 +37,14 @@ s3:
     # string to insert a formated timestamp into the release name.
     # Default is `{{ .ProjectName }}/{{ .Tag }}`
     folder: "foo/bar/{{.Version}}"
+    # Set a custom profile to use for this s3 config. If you have multiple
+    # profiles setup in you ~/.aws config, this shall help defining which
+    # profile to use in which s3 bucket.
+    # Default is empty.
+    profile: my-profile
     # Endpoint allows you to set a custom endpoint, which is useful if you
     # want to push your artifacts to a minio server for example.
+    # Default is AWS S3 URL.
     endpoint: "http://minio.foo.com"
 ```
 
@@ -45,4 +53,7 @@ s3:
 GoReleaser will authenticate using the [same methods defined by aws-cli][auth].
 You can read the [docs][auth] to find out more about it.
 
+You can also set diferent profile names for each S3 config, so you may be able
+to push to buckets in different accounts, for example.
+
 [auth]: https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-getting-started.html