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/appstream/waiters.go

@@ -0,0 +1,122 @@
+// Code generated by private/model/cli/gen-api/main.go. DO NOT EDIT.
+
+package appstream
+
+import (
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/request"
+)
+
+// WaitUntilFleetStarted uses the Amazon AppStream API operation
+// DescribeFleets to wait for a condition to be met before returning.
+// If the condition is not met within the max attempt window, an error will
+// be returned.
+func (c *AppStream) WaitUntilFleetStarted(input *DescribeFleetsInput) error {
+	return c.WaitUntilFleetStartedWithContext(aws.BackgroundContext(), input)
+}
+
+// WaitUntilFleetStartedWithContext is an extended version of WaitUntilFleetStarted.
+// With the support for passing in a context and options to configure the
+// Waiter and the underlying request options.
+//
+// The context must be non-nil and will be used for request cancellation. If
+// the context is nil a panic will occur. In the future the SDK may create
+// sub-contexts for http.Requests. See https://golang.org/pkg/context/
+// for more information on using Contexts.
+func (c *AppStream) WaitUntilFleetStartedWithContext(ctx aws.Context, input *DescribeFleetsInput, opts ...request.WaiterOption) error {
+	w := request.Waiter{
+		Name:        "WaitUntilFleetStarted",
+		MaxAttempts: 40,
+		Delay:       request.ConstantWaiterDelay(30 * time.Second),
+		Acceptors: []request.WaiterAcceptor{
+			{
+				State:   request.SuccessWaiterState,
+				Matcher: request.PathAllWaiterMatch, Argument: "Fleets[].State",
+				Expected: "ACTIVE",
+			},
+			{
+				State:   request.FailureWaiterState,
+				Matcher: request.PathAnyWaiterMatch, Argument: "Fleets[].State",
+				Expected: "PENDING_DEACTIVATE",
+			},
+			{
+				State:   request.FailureWaiterState,
+				Matcher: request.PathAnyWaiterMatch, Argument: "Fleets[].State",
+				Expected: "INACTIVE",
+			},
+		},
+		Logger: c.Config.Logger,
+		NewRequest: func(opts []request.Option) (*request.Request, error) {
+			var inCpy *DescribeFleetsInput
+			if input != nil {
+				tmp := *input
+				inCpy = &tmp
+			}
+			req, _ := c.DescribeFleetsRequest(inCpy)
+			req.SetContext(ctx)
+			req.ApplyOptions(opts...)
+			return req, nil
+		},
+	}
+	w.ApplyOptions(opts...)
+
+	return w.WaitWithContext(ctx)
+}
+
+// WaitUntilFleetStopped uses the Amazon AppStream API operation
+// DescribeFleets to wait for a condition to be met before returning.
+// If the condition is not met within the max attempt window, an error will
+// be returned.
+func (c *AppStream) WaitUntilFleetStopped(input *DescribeFleetsInput) error {
+	return c.WaitUntilFleetStoppedWithContext(aws.BackgroundContext(), input)
+}
+
+// WaitUntilFleetStoppedWithContext is an extended version of WaitUntilFleetStopped.
+// With the support for passing in a context and options to configure the
+// Waiter and the underlying request options.
+//
+// The context must be non-nil and will be used for request cancellation. If
+// the context is nil a panic will occur. In the future the SDK may create
+// sub-contexts for http.Requests. See https://golang.org/pkg/context/
+// for more information on using Contexts.
+func (c *AppStream) WaitUntilFleetStoppedWithContext(ctx aws.Context, input *DescribeFleetsInput, opts ...request.WaiterOption) error {
+	w := request.Waiter{
+		Name:        "WaitUntilFleetStopped",
+		MaxAttempts: 40,
+		Delay:       request.ConstantWaiterDelay(30 * time.Second),
+		Acceptors: []request.WaiterAcceptor{
+			{
+				State:   request.SuccessWaiterState,
+				Matcher: request.PathAllWaiterMatch, Argument: "Fleets[].State",
+				Expected: "INACTIVE",
+			},
+			{
+				State:   request.FailureWaiterState,
+				Matcher: request.PathAnyWaiterMatch, Argument: "Fleets[].State",
+				Expected: "PENDING_ACTIVATE",
+			},
+			{
+				State:   request.FailureWaiterState,
+				Matcher: request.PathAnyWaiterMatch, Argument: "Fleets[].State",
+				Expected: "ACTIVE",
+			},
+		},
+		Logger: c.Config.Logger,
+		NewRequest: func(opts []request.Option) (*request.Request, error) {
+			var inCpy *DescribeFleetsInput
+			if input != nil {
+				tmp := *input
+				inCpy = &tmp
+			}
+			req, _ := c.DescribeFleetsRequest(inCpy)
+			req.SetContext(ctx)
+			req.ApplyOptions(opts...)
+			return req, nil
+		},
+	}
+	w.ApplyOptions(opts...)
+
+	return w.WaitWithContext(ctx)
+}