fix(flink): poll application deployment status on create

CHANGELOG.md

@@ -20,6 +20,7 @@ nav_order: 1
 - Fix `aiven_organization_user_group` resource - `description` field is required
 - Use golang 1.22
 - Output explicitly `termination_protection = true -> false` when service property is removed
+- Poll `aiven_flink_application_deployment` status on create
 
 ## [4.13.3] - 2024-01-29
 

internal/sdkprovider/service/flink/flink_application_deployment.go

@@ -119,6 +119,19 @@ func resourceFlinkApplicationDeploymentCreate(
 
 	d.SetId(schemautil.BuildResourceID(project, serviceName, applicationID, r.ID))
 
+	err = retry.RetryContext(ctx, d.Timeout(schema.TimeoutCreate), func() *retry.RetryError {
+		deployment, err := client.FlinkApplicationDeployments.Get(ctx, project, serviceName, applicationID, r.ID)
+		if err != nil {
+			// The client has retries under the hood for 50x and other cases.
+			return retry.NonRetryableError(err)
+		}
+		return &retry.RetryError{Retryable: deployment.FlinkApplicationDeployment.Status != "FINISHED"}
+	})
+
+	if err != nil {
+		return diag.Errorf("can't wait Flink Application Deployment being in FINISHED status: %v", err)
+	}
+
 	return resourceFlinkApplicationDeploymentRead(ctx, d, m)
 }