Replace minio-go with aws-sdk-go for s3-compatible log backend (#670)

* Logs should support specifying region when using S3-compatible object store

* Use aws-sdk-go client for s3 backed logstore

* fixes vendor with aws-sdk-go dependencies

vendor/github.com/aws/aws-sdk-go/service/kinesis/customizations_test.go

@@ -0,0 +1,89 @@
+package kinesis
+
+import (
+	"io"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/request"
+	"github.com/aws/aws-sdk-go/awstesting/unit"
+)
+
+type testReader struct {
+	duration time.Duration
+}
+
+func (r *testReader) Read(b []byte) (int, error) {
+	time.Sleep(r.duration)
+	return 0, io.EOF
+}
+
+func (r *testReader) Close() error {
+	return nil
+}
+
+// GetRecords will hang unexpectedly during reads.
+// See https://github.com/aws/aws-sdk-go/issues/1141
+func TestKinesisGetRecordsCustomization(t *testing.T) {
+	readDuration = time.Millisecond
+	retryCount := 0
+	svc := New(unit.Session, &aws.Config{
+		MaxRetries: aws.Int(4),
+	})
+	req, _ := svc.GetRecordsRequest(&GetRecordsInput{
+		ShardIterator: aws.String("foo"),
+	})
+	req.Handlers.Send.Clear()
+	req.Handlers.Send.PushBack(func(r *request.Request) {
+		r.HTTPResponse = &http.Response{
+			StatusCode: 200,
+			Header: http.Header{
+				"X-Amz-Request-Id": []string{"abc123"},
+			},
+			Body:          &testReader{duration: 10 * time.Second},
+			ContentLength: -1,
+		}
+		r.HTTPResponse.Status = http.StatusText(r.HTTPResponse.StatusCode)
+		retryCount++
+	})
+	req.ApplyOptions(request.WithResponseReadTimeout(time.Second))
+	err := req.Send()
+	if err == nil {
+		t.Errorf("Expected error, but received nil")
+	} else if v, ok := err.(awserr.Error); !ok {
+		t.Errorf("Expected awserr.Error but received %v", err)
+	} else if v.Code() != request.ErrCodeResponseTimeout {
+		t.Errorf("Expected 'RequestTimeout' error, but received %s instead", v.Code())
+	}
+	if retryCount != 5 {
+		t.Errorf("Expected '5' retries, but received %d", retryCount)
+	}
+}
+
+func TestKinesisGetRecordsNoTimeout(t *testing.T) {
+	readDuration = time.Second
+	svc := New(unit.Session)
+	req, _ := svc.GetRecordsRequest(&GetRecordsInput{
+		ShardIterator: aws.String("foo"),
+	})
+	req.Handlers.Send.Clear()
+	req.Handlers.Send.PushBack(func(r *request.Request) {
+		r.HTTPResponse = &http.Response{
+			StatusCode: 200,
+			Header: http.Header{
+				"X-Amz-Request-Id": []string{"abc123"},
+			},
+			Body:          &testReader{duration: time.Duration(0)},
+			ContentLength: -1,
+		}
+		r.HTTPResponse.Status = http.StatusText(r.HTTPResponse.StatusCode)
+	})
+	req.ApplyOptions(request.WithResponseReadTimeout(time.Second))
+	err := req.Send()
+	if err != nil {
+		t.Errorf("Expected no error, but received %v", err)
+	}
+}