CPDEV-108872. resourcePrefix intersections. Return error, when create…

… database with duplicate prefix

basic/basic.go

@@ -332,6 +332,12 @@ func (bp BaseProvider) createDatabase(requestOnCreateDb DbCreateRequest, ctx con
 		}
 	}
 
+	if ok, err := common.CheckPrefixUniqueness(prefix, ctx, bp.opensearch.Client); !ok {
+		if err != nil {
+			return nil, err
+		}
+	}
+
 	resourcesToCreate := requestOnCreateDb.Settings.CreateOnly
 	if len(resourcesToCreate) == 0 {
 		resourcesToCreate = []string{common.UserKind, common.IndexKind}

common/common.go

@@ -18,7 +18,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"git.netcracker.com/PROD.Platform.ElasticStack/dbaas-opensearch-adapter/api"
 	"io"
 	"io/fs"
 	"log"
@@ -243,3 +242,33 @@ func CheckPrefixUniqueness(prefix string, ctx context.Context, opensearchcli Cli
 	}
 	return true, nil
 }
+
+func CheckPrefixUniqueness(prefix string, ctx context.Context, opensearchcli Client) (bool, error) {
+	logger.InfoContext(ctx, "Checking user prefix uniqueness during restoration with renaming")
+	getUsersRequest := api.GetUsersRequest{}
+	response, err := getUsersRequest.Do(context.Background(), opensearchcli)
+	if err != nil {
+		return false, fmt.Errorf("failed to receive users: %+v", err)
+	}
+	defer response.Body.Close()
+	if response.StatusCode == http.StatusOK {
+		var users map[string]User
+		err = ProcessBody(response.Body, &users)
+		if err != nil {
+			return false, err
+		}
+		for element, user := range users {
+			if strings.HasPrefix(element, prefix) {
+				logger.ErrorContext(ctx, fmt.Sprintf("provided prefix already exists or a part of another prefix: %+v", prefix))
+				return false, fmt.Errorf("provided prefix already exists or a part of another prefix: %+v", prefix)
+			}
+			if user.Attributes[resourcePrefixAttributeName] != "" && strings.HasPrefix(user.Attributes[resourcePrefixAttributeName], prefix) {
+				logger.ErrorContext(ctx, fmt.Sprintf("provided prefix already exists or a part of another prefix: %+v", prefix))
+				return false, fmt.Errorf("provided prefix already exists or a part of another prefix: %+v", prefix)
+			}
+		}
+	} else if response.StatusCode == http.StatusNotFound {
+		return true, nil
+	}
+	return true, nil
+}