feat(datawarehouse): add waiters for Deployment (scaleway#2724)

Author: jremy42

api/datawarehouse/v1beta1/datawarehouse_helpers.go

@@ -0,0 +1,65 @@
+package datawarehouse
+
+import (
+	"errors"
+	"net/http"
+	"time"
+
+	"github.com/scaleway/scaleway-sdk-go/internal/async"
+	"github.com/scaleway/scaleway-sdk-go/scw"
+)
+
+const (
+	waitForDeploymentDefaultTimeout = 30 * time.Minute
+	defaultRetryIntervalDW          = 5 * time.Second
+)
+
+type WaitForDeploymentRequest struct {
+	DeploymentID  string
+	Region        scw.Region
+	Timeout       *time.Duration
+	RetryInterval *time.Duration
+}
+
+// WaitForDeployment waits until deployment reaches a terminal state.
+func (s *API) WaitForDeployment(req *WaitForDeploymentRequest, opts ...scw.RequestOption) (*Deployment, error) {
+	timeout := waitForDeploymentDefaultTimeout
+	if req.Timeout != nil {
+		timeout = *req.Timeout
+	}
+	retryInterval := defaultRetryIntervalDW
+	if req.RetryInterval != nil {
+		retryInterval = *req.RetryInterval
+	}
+
+	terminalStatus := map[DeploymentStatus]struct{}{
+		DeploymentStatusReady:  {},
+		DeploymentStatusError:  {},
+		DeploymentStatusLocked: {},
+	}
+
+	deployment, err := async.WaitSync(&async.WaitSyncConfig{
+		Get: func() (any, bool, error) {
+			res, err := s.GetDeployment(&GetDeploymentRequest{
+				DeploymentID: req.DeploymentID,
+				Region:       req.Region,
+			}, opts...)
+			if err != nil {
+				var respErr *scw.ResponseError
+				if errors.As(err, &respErr) && respErr.StatusCode == http.StatusNotFound {
+					return nil, false, nil
+				}
+				return nil, false, err
+			}
+
+			_, isTerminal := terminalStatus[res.Status]
+			return res, isTerminal, nil
+		},
+		Timeout:          timeout,
+		IntervalStrategy: async.LinearIntervalStrategy(retryInterval),
+	})
+	if err != nil {
+		return nil, err
+	}
+	return deployment.(*Deployment), nil
+}