ceate bookingitems for domain-setup hostingassets (#95)

Co-authored-by: Michael Hoennig <michael@hoennig.de>
Reviewed-on: #95
Reviewed-by: Marc Sandlus <marc.sandlus@hostsharing.net>

doc/hs-hosting-asset-type-structure.md

@@ -12,6 +12,7 @@ package Booking #feb28c {
     entity BI_CLOUD_SERVER
     entity BI_MANAGED_SERVER
     entity BI_MANAGED_WEBSPACE
+    entity BI_DOMAIN_SETUP
 }
 
 package Hosting #feb28c{
@@ -67,6 +68,7 @@ package Booking #feb28c {
     entity BI_CLOUD_SERVER
     entity BI_MANAGED_SERVER
     entity BI_MANAGED_WEBSPACE
+    entity BI_DOMAIN_SETUP
 }
 
 package Hosting #feb28c{
@@ -94,6 +96,7 @@ BI_MANAGED_WEBSPACE *--> BI_MANAGED_SERVER
 HA_MANAGED_WEBSPACE *==> BI_MANAGED_WEBSPACE
 HA_UNIX_USER *==> HA_MANAGED_WEBSPACE
 HA_EMAIL_ALIAS *==> HA_MANAGED_WEBSPACE
+HA_DOMAIN_SETUP *==> BI_DOMAIN_SETUP
 HA_DOMAIN_SETUP o..> HA_DOMAIN_SETUP
 HA_DOMAIN_DNS_SETUP *==> HA_DOMAIN_SETUP
 HA_DOMAIN_DNS_SETUP o--> HA_MANAGED_WEBSPACE
@@ -125,6 +128,7 @@ package Booking #feb28c {
     entity BI_CLOUD_SERVER
     entity BI_MANAGED_SERVER
     entity BI_MANAGED_WEBSPACE
+    entity BI_DOMAIN_SETUP
 }
 
 package Hosting #feb28c{
@@ -173,6 +177,7 @@ package Booking #feb28c {
     entity BI_CLOUD_SERVER
     entity BI_MANAGED_SERVER
     entity BI_MANAGED_WEBSPACE
+    entity BI_DOMAIN_SETUP
 }
 
 package Hosting #feb28c{

src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemType.java

@@ -9,7 +9,8 @@ public enum HsBookingItemType implements Node {
     PRIVATE_CLOUD,
     CLOUD_SERVER(PRIVATE_CLOUD),
     MANAGED_SERVER(PRIVATE_CLOUD),
-    MANAGED_WEBSPACE(MANAGED_SERVER);
+    MANAGED_WEBSPACE(MANAGED_SERVER),
+    DOMAIN_SETUP;
 
     private final HsBookingItemType parentItemType;
 

src/main/java/net/hostsharing/hsadminng/hs/booking/item/validators/HsBookingItemEntityValidatorRegistry.java

@@ -13,6 +13,7 @@ import java.util.Set;
 
 import static java.util.Arrays.stream;
 import static net.hostsharing.hsadminng.hs.booking.item.HsBookingItemType.CLOUD_SERVER;
+import static net.hostsharing.hsadminng.hs.booking.item.HsBookingItemType.DOMAIN_SETUP;
 import static net.hostsharing.hsadminng.hs.booking.item.HsBookingItemType.MANAGED_SERVER;
 import static net.hostsharing.hsadminng.hs.booking.item.HsBookingItemType.MANAGED_WEBSPACE;
 import static net.hostsharing.hsadminng.hs.booking.item.HsBookingItemType.PRIVATE_CLOUD;
@@ -25,6 +26,7 @@ public class HsBookingItemEntityValidatorRegistry {
         register(CLOUD_SERVER, new HsCloudServerBookingItemValidator());
         register(MANAGED_SERVER, new HsManagedServerBookingItemValidator());
         register(MANAGED_WEBSPACE, new HsManagedWebspaceBookingItemValidator());
+        register(DOMAIN_SETUP, new HsDomainSetupBookingItemValidator());
     }
 
     private static void register(final Enum<HsBookingItemType> type, final HsEntityValidator<HsBookingItem> validator) {

src/main/java/net/hostsharing/hsadminng/hs/booking/item/validators/HsDomainSetupBookingItemValidator.java

@@ -0,0 +1,10 @@
+package net.hostsharing.hsadminng.hs.booking.item.validators;
+
+class HsDomainSetupBookingItemValidator extends HsBookingItemEntityValidator {
+
+    HsDomainSetupBookingItemValidator() {
+        super(
+                // no properties yet. maybe later, the setup code goes here?
+        );
+    }
+}

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetType.java

@@ -24,8 +24,10 @@ import static net.hostsharing.hsadminng.hs.hosting.asset.EntityTypeRelation.opti
 import static net.hostsharing.hsadminng.hs.hosting.asset.EntityTypeRelation.optionallyAssignedTo;
 import static net.hostsharing.hsadminng.hs.hosting.asset.EntityTypeRelation.requiredParent;
 import static net.hostsharing.hsadminng.hs.hosting.asset.EntityTypeRelation.requires;
+import static net.hostsharing.hsadminng.hs.hosting.asset.EntityTypeRelation.terminatory;
 import static net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetType.RelationPolicy.OPTIONAL;
 import static net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetType.RelationPolicy.REQUIRED;
+import static net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetType.RelationPolicy.TERMINATORY;
 import static net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetType.RelationType.ASSIGNED_TO_ASSET;
 import static net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetType.RelationType.BOOKING_ITEM;
 import static net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetType.RelationType.PARENT_ASSET;
@@ -57,6 +59,7 @@ public enum HsHostingAssetType implements Node {
 
     DOMAIN_SETUP( // named e.g. example.org
             inGroup("Domain"),
+            terminatory(HsBookingItemType.DOMAIN_SETUP),
             optionalParent(SAME_TYPE)
     ),
 
@@ -339,7 +342,7 @@ public enum HsHostingAssetType implements Node {
     }
 
     public enum RelationPolicy {
-        FORBIDDEN, OPTIONAL, REQUIRED
+        FORBIDDEN, OPTIONAL, TERMINATORY, REQUIRED
     }
 
     public enum RelationType {
@@ -376,6 +379,15 @@ class EntityTypeRelation<E, T extends Node> {
         return (Set<R>) result;
     }
 
+    static EntityTypeRelation<HsBookingItem, HsBookingItemType> terminatory(final HsBookingItemType bookingItemType) {
+        return new EntityTypeRelation<>(
+                TERMINATORY,
+                BOOKING_ITEM,
+                HsHostingAssetRbacEntity::getBookingItem,
+                bookingItemType,
+                " *..> ");
+    }
+
     static EntityTypeRelation<HsBookingItem, HsBookingItemType> requires(final HsBookingItemType bookingItemType) {
         return new EntityTypeRelation<>(
                 REQUIRED,

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/validators/HostingAssetEntityValidator.java

@@ -182,26 +182,36 @@ public abstract class HostingAssetEntityValidator extends HsEntityValidator<HsHo
 
         List<String> validate(final HsHostingAsset assetEntity, final String referenceFieldName) {
 
-            final var actualEntity = referencedEntityGetter.apply(assetEntity);
+            final var referencedEntity = referencedEntityGetter.apply(assetEntity);
-            final var actualEntityType = actualEntity != null ? referencedEntityTypeGetter.apply(actualEntity) : null;
+            final var referencedEntityType = referencedEntity != null ? referencedEntityTypeGetter.apply(referencedEntity) : null;
 
             switch (policy) {
             case REQUIRED:
-                if (!referencedEntityTypes.contains(actualEntityType)) {
+                if (!referencedEntityTypes.contains(referencedEntityType)) {
-                    return List.of(actualEntityType == null
+                    return List.of(referencedEntityType == null
                             ? referenceFieldName + "' must be of type " + toDisplay(referencedEntityTypes) + " but is null"
-                            : referenceFieldName + "' must be of type " + toDisplay(referencedEntityTypes) + " but is of type " + actualEntityType);
+                            : referenceFieldName + "' must be of type " + toDisplay(referencedEntityTypes) + " but is of type " + referencedEntityType);
+                }
+                break;
+            case TERMINATORY:
+                if (assetEntity.getParentAsset() != null && assetEntity.getBookingItem() != null) {
+                    return List.of(referenceFieldName + "' or parentItem must be null but is of type " + referencedEntityType);
+                }
+                if (assetEntity.getParentAsset() == null && !referencedEntityTypes.contains(referencedEntityType)) {
+                    return List.of(referencedEntityType == null
+                            ? referenceFieldName + "' must be of type " + toDisplay(referencedEntityTypes) + " but is null"
+                            : referenceFieldName + "' must be of type " + toDisplay(referencedEntityTypes) + " but is of type " + referencedEntityType);
                 }
                 break;
             case OPTIONAL:
-                if (actualEntityType != null && !referencedEntityTypes.contains(actualEntityType)) {
+                if (referencedEntityType != null && !referencedEntityTypes.contains(referencedEntityType)) {
                     return List.of(referenceFieldName + "' must be null or of type " + toDisplay(referencedEntityTypes) + " but is of type "
-                            + actualEntityType);
+                            + referencedEntityType);
                 }
                 break;
             case FORBIDDEN:
-                if (actualEntityType != null) {
+                if (referencedEntityType != null) {
-                    return List.of(referenceFieldName + "' must be null but is of type " + actualEntityType);
+                    return List.of(referenceFieldName + "' must be null but is of type " + referencedEntityType);
                 }
                 break;
             }

src/main/resources/db/changelog/6-hs-booking/630-booking-item/6200-hs-booking-item.sql

@@ -8,7 +8,8 @@ create type HsBookingItemType as enum (
     'PRIVATE_CLOUD',
     'CLOUD_SERVER',
     'MANAGED_SERVER',
-    'MANAGED_WEBSPACE'
+    'MANAGED_WEBSPACE',
+    'DOMAIN_SETUP'
     );
 
 CREATE CAST (character varying as HsBookingItemType) WITH INOUT AS IMPLICIT;

src/test/java/net/hostsharing/hsadminng/hs/booking/item/validators/HsBookingItemEntityValidatorUnitTest.java

@@ -8,6 +8,7 @@ import org.junit.jupiter.api.Test;
 import jakarta.persistence.EntityManager;
 import jakarta.validation.ValidationException;
 
+import static net.hostsharing.hsadminng.hs.booking.item.HsBookingItemType.DOMAIN_SETUP;
 import static net.hostsharing.hsadminng.hs.booking.item.HsBookingItemType.PRIVATE_CLOUD;
 import static net.hostsharing.hsadminng.hs.booking.item.HsBookingItemType.CLOUD_SERVER;
 import static net.hostsharing.hsadminng.hs.booking.item.HsBookingItemType.MANAGED_SERVER;
@@ -53,6 +54,6 @@ class HsBookingItemEntityValidatorUnitTest {
         final var result = HsBookingItemEntityValidatorRegistry.types();
 
         // then
-        assertThat(result).containsExactlyInAnyOrder(PRIVATE_CLOUD, CLOUD_SERVER, MANAGED_SERVER, MANAGED_WEBSPACE);
+        assertThat(result).containsExactlyInAnyOrder(PRIVATE_CLOUD, CLOUD_SERVER, MANAGED_SERVER, MANAGED_WEBSPACE, DOMAIN_SETUP);
     }
 }

src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetControllerAcceptanceTest.java

@@ -249,6 +249,15 @@ class HsHostingAssetControllerAcceptanceTest extends ContextBasedTestWithCleanup
         void globalAdmin_canAddTopLevelAsset() {
 
             context.define("superuser-alex@hostsharing.net");
+            final var givenProject = realProjectRepo.findByCaption("D-1000111 default project").stream()
+                    .findAny().orElseThrow();
+            final var bookingItem = givenSomeTemporaryBookingItem(() ->
+               HsBookingItemRealEntity.builder()
+                       .project(givenProject)
+                       .type(HsBookingItemType.DOMAIN_SETUP)
+                       .caption("some temp domain setup booking item")
+                       .build()
+            );
 
             final var location = RestAssured // @formatter:off
                     .given()
@@ -256,12 +265,13 @@ class HsHostingAssetControllerAcceptanceTest extends ContextBasedTestWithCleanup
                     .contentType(ContentType.JSON)
                     .body("""
                             {
+                                "bookingItemUuid": "%s",
                                 "type": "DOMAIN_SETUP",
                                 "identifier": "example.com",
                                 "caption": "some unrelated domain-setup",
                                 "config": {}
                             }
-                            """)
+                            """.formatted(bookingItem.getUuid()))
                     .port(port)
                     .when()
                     .post("http://localhost/api/hs/hosting/assets")
@@ -729,6 +739,13 @@ class HsHostingAssetControllerAcceptanceTest extends ContextBasedTestWithCleanup
         }).assertSuccessful().returnedValue();
     }
 
+    private HsBookingItemRealEntity givenSomeTemporaryBookingItem(final Supplier<HsBookingItemRealEntity> newBookingItem) {
+        return jpaAttempt.transacted(() -> {
+            context.define("superuser-alex@hostsharing.net"); // needed to determine creator
+            return toCleanup(realBookingItemRepo.save(newBookingItem.get()));
+        }).assertSuccessful().returnedValue();
+    }
+
     HsHostingAssetRealEntity givenParentAsset(final HsHostingAssetType assetType, final String assetIdentifier) {
         final var givenAsset = realAssetRepo.findByIdentifier(assetIdentifier).stream()
                 .filter(a -> a.getType() == assetType)

src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetTypeUnitTest.java

@@ -15,18 +15,19 @@ class HsHostingAssetTypeUnitTest {
                 
                 
                 ### Server+Webspace
-                
+    
                 ```plantuml
                 @startuml
                 left to right direction
-                
+    
                 package Booking #feb28c {
                     entity BI_PRIVATE_CLOUD
                     entity BI_CLOUD_SERVER
                     entity BI_MANAGED_SERVER
                     entity BI_MANAGED_WEBSPACE
+                    entity BI_DOMAIN_SETUP
                 }
-                
+    
                 package Hosting #feb28c{
                     package Server #99bcdb {
                         entity HA_CLOUD_SERVER
@@ -34,19 +35,19 @@ class HsHostingAssetTypeUnitTest {
                         entity HA_IPV4_NUMBER
                         entity HA_IPV6_NUMBER
                     }
-                
+    
                     package Webspace #99bcdb {
                         entity HA_MANAGED_WEBSPACE
                         entity HA_UNIX_USER
                         entity HA_EMAIL_ALIAS
                     }
-                
+    
                 }
-                
+    
                 BI_CLOUD_SERVER *--> BI_PRIVATE_CLOUD
                 BI_MANAGED_SERVER *--> BI_PRIVATE_CLOUD
                 BI_MANAGED_WEBSPACE *--> BI_MANAGED_SERVER
-                
+    
                 HA_CLOUD_SERVER *==> BI_CLOUD_SERVER
                 HA_MANAGED_SERVER *==> BI_MANAGED_SERVER
                 HA_MANAGED_WEBSPACE *==> BI_MANAGED_WEBSPACE
@@ -59,7 +60,7 @@ class HsHostingAssetTypeUnitTest {
                 HA_IPV6_NUMBER o..> HA_CLOUD_SERVER
                 HA_IPV6_NUMBER o..> HA_MANAGED_SERVER
                 HA_IPV6_NUMBER o..> HA_MANAGED_WEBSPACE
-                
+    
                 package Legend #white {
                     SUB_ENTITY1 *--> REQUIRED_PARENT_ENTITY
                     SUB_ENTITY2 *..> OPTIONAL_PARENT_ENTITY
@@ -68,20 +69,21 @@ class HsHostingAssetTypeUnitTest {
                 }
                 Booking -down[hidden]->Legend
                 ```
-                
+    
                 ### Domain
-                
+    
                 ```plantuml
                 @startuml
                 left to right direction
-                
+    
                 package Booking #feb28c {
                     entity BI_PRIVATE_CLOUD
                     entity BI_CLOUD_SERVER
                     entity BI_MANAGED_SERVER
                     entity BI_MANAGED_WEBSPACE
+                    entity BI_DOMAIN_SETUP
                 }
-                
+    
                 package Hosting #feb28c{
                     package Domain #99bcdb {
                         entity HA_DOMAIN_SETUP
@@ -91,22 +93,23 @@ class HsHostingAssetTypeUnitTest {
                         entity HA_DOMAIN_MBOX_SETUP
                         entity HA_EMAIL_ADDRESS
                     }
-                
+    
                     package Webspace #99bcdb {
                         entity HA_MANAGED_WEBSPACE
                         entity HA_UNIX_USER
                         entity HA_EMAIL_ALIAS
                     }
-                
+    
                 }
-                
+    
                 BI_CLOUD_SERVER *--> BI_PRIVATE_CLOUD
                 BI_MANAGED_SERVER *--> BI_PRIVATE_CLOUD
                 BI_MANAGED_WEBSPACE *--> BI_MANAGED_SERVER
-                
+    
                 HA_MANAGED_WEBSPACE *==> BI_MANAGED_WEBSPACE
                 HA_UNIX_USER *==> HA_MANAGED_WEBSPACE
                 HA_EMAIL_ALIAS *==> HA_MANAGED_WEBSPACE
+                HA_DOMAIN_SETUP *..> BI_DOMAIN_SETUP
                 HA_DOMAIN_SETUP o..> HA_DOMAIN_SETUP
                 HA_DOMAIN_DNS_SETUP *==> HA_DOMAIN_SETUP
                 HA_DOMAIN_DNS_SETUP o--> HA_MANAGED_WEBSPACE
@@ -117,7 +120,7 @@ class HsHostingAssetTypeUnitTest {
                 HA_DOMAIN_MBOX_SETUP *==> HA_DOMAIN_SETUP
                 HA_DOMAIN_MBOX_SETUP o--> HA_MANAGED_WEBSPACE
                 HA_EMAIL_ADDRESS *==> HA_DOMAIN_MBOX_SETUP
-                
+    
                 package Legend #white {
                     SUB_ENTITY1 *--> REQUIRED_PARENT_ENTITY
                     SUB_ENTITY2 *..> OPTIONAL_PARENT_ENTITY
@@ -126,46 +129,47 @@ class HsHostingAssetTypeUnitTest {
                 }
                 Booking -down[hidden]->Legend
                 ```
-                
+    
                 ### MariaDB
-                
+    
                 ```plantuml
                 @startuml
                 left to right direction
-                
+    
                 package Booking #feb28c {
                     entity BI_PRIVATE_CLOUD
                     entity BI_CLOUD_SERVER
                     entity BI_MANAGED_SERVER
                     entity BI_MANAGED_WEBSPACE
+                    entity BI_DOMAIN_SETUP
                 }
-                
+    
                 package Hosting #feb28c{
                     package MariaDB #99bcdb {
                         entity HA_MARIADB_INSTANCE
                         entity HA_MARIADB_USER
                         entity HA_MARIADB_DATABASE
                     }
-                
+    
                     package Webspace #99bcdb {
                         entity HA_MANAGED_WEBSPACE
                         entity HA_UNIX_USER
                         entity HA_EMAIL_ALIAS
                     }
-                
+    
                 }
-                
+    
                 BI_CLOUD_SERVER *--> BI_PRIVATE_CLOUD
                 BI_MANAGED_SERVER *--> BI_PRIVATE_CLOUD
                 BI_MANAGED_WEBSPACE *--> BI_MANAGED_SERVER
-                
+    
                 HA_MANAGED_WEBSPACE *==> BI_MANAGED_WEBSPACE
                 HA_UNIX_USER *==> HA_MANAGED_WEBSPACE
                 HA_EMAIL_ALIAS *==> HA_MANAGED_WEBSPACE
                 HA_MARIADB_USER *==> HA_MANAGED_WEBSPACE
                 HA_MARIADB_USER o--> HA_MARIADB_INSTANCE
                 HA_MARIADB_DATABASE *==> HA_MARIADB_USER
-                
+    
                 package Legend #white {
                     SUB_ENTITY1 *--> REQUIRED_PARENT_ENTITY
                     SUB_ENTITY2 *..> OPTIONAL_PARENT_ENTITY
@@ -174,46 +178,47 @@ class HsHostingAssetTypeUnitTest {
                 }
                 Booking -down[hidden]->Legend
                 ```
-                
+    
                 ### PostgreSQL
-                
+    
                 ```plantuml
                 @startuml
                 left to right direction
-                
+    
                 package Booking #feb28c {
                     entity BI_PRIVATE_CLOUD
                     entity BI_CLOUD_SERVER
                     entity BI_MANAGED_SERVER
                     entity BI_MANAGED_WEBSPACE
+                    entity BI_DOMAIN_SETUP
                 }
-                
+    
                 package Hosting #feb28c{
                     package PostgreSQL #99bcdb {
                         entity HA_PGSQL_INSTANCE
                         entity HA_PGSQL_USER
                         entity HA_PGSQL_DATABASE
                     }
-                
+    
                     package Webspace #99bcdb {
                         entity HA_MANAGED_WEBSPACE
                         entity HA_UNIX_USER
                         entity HA_EMAIL_ALIAS
                     }
-                
+    
                 }
-                
+    
                 BI_CLOUD_SERVER *--> BI_PRIVATE_CLOUD
                 BI_MANAGED_SERVER *--> BI_PRIVATE_CLOUD
                 BI_MANAGED_WEBSPACE *--> BI_MANAGED_SERVER
-                
+    
                 HA_MANAGED_WEBSPACE *==> BI_MANAGED_WEBSPACE
                 HA_UNIX_USER *==> HA_MANAGED_WEBSPACE
                 HA_EMAIL_ALIAS *==> HA_MANAGED_WEBSPACE
                 HA_PGSQL_USER *==> HA_MANAGED_WEBSPACE
                 HA_PGSQL_USER o--> HA_PGSQL_INSTANCE
                 HA_PGSQL_DATABASE *==> HA_PGSQL_USER
-                
+    
                 package Legend #white {
                     SUB_ENTITY1 *--> REQUIRED_PARENT_ENTITY
                     SUB_ENTITY2 *..> OPTIONAL_PARENT_ENTITY
@@ -222,7 +227,7 @@ class HsHostingAssetTypeUnitTest {
                 }
                 Booking -down[hidden]->Legend
                 ```
-                
+    
                 This code generated was by HsHostingAssetType.main, do not amend manually.
                 """);
     }

src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/validators/HsDomainSetupHostingAssetValidatorUnitTest.java

@@ -20,6 +20,7 @@ class HsDomainSetupHostingAssetValidatorUnitTest {
     static HsHostingAssetRbacEntity.HsHostingAssetRbacEntityBuilder<?, ?> validEntityBuilder() {
         return HsHostingAssetRbacEntity.builder()
                 .type(DOMAIN_SETUP)
+                .bookingItem(HsBookingItemRealEntity.builder().type(HsBookingItemType.DOMAIN_SETUP).build())
                 .identifier("example.org");
     }
 
@@ -93,20 +94,33 @@ class HsDomainSetupHostingAssetValidatorUnitTest {
     @Test
     void validatesReferencedEntities() {
         // given
-        final var mangedServerHostingAssetEntity = validEntityBuilder()
+        final var domainSetupHostingAssetEntity = validEntityBuilder()
                 .parentAsset(HsHostingAssetRealEntity.builder().type(CLOUD_SERVER).build())
                 .assignedToAsset(HsHostingAssetRealEntity.builder().type(MANAGED_SERVER).build())
                 .bookingItem(HsBookingItemRealEntity.builder().type(HsBookingItemType.CLOUD_SERVER).build())
                 .build();
-        final var validator = HostingAssetEntityValidatorRegistry.forType(mangedServerHostingAssetEntity.getType());
+        final var validator = HostingAssetEntityValidatorRegistry.forType(domainSetupHostingAssetEntity.getType());
 
         // when
-        final var result = validator.validateEntity(mangedServerHostingAssetEntity);
+        final var result = validator.validateEntity(domainSetupHostingAssetEntity);
 
         // then
         assertThat(result).containsExactlyInAnyOrder(
-                "'DOMAIN_SETUP:example.org.bookingItem' must be null but is of type CLOUD_SERVER",
+                "'DOMAIN_SETUP:example.org.bookingItem' or parentItem must be null but is of type CLOUD_SERVER",
                 "'DOMAIN_SETUP:example.org.parentAsset' must be null or of type DOMAIN_SETUP but is of type CLOUD_SERVER",
                 "'DOMAIN_SETUP:example.org.assignedToAsset' must be null but is of type MANAGED_SERVER");
     }
+
+    @Test
+    void expectsEitherParentAssetOrBookingItem() {
+        // given
+        final var domainSetupHostingAssetEntity = validEntityBuilder().build();
+        final var validator = HostingAssetEntityValidatorRegistry.forType(domainSetupHostingAssetEntity.getType());
+
+        // when
+        final var result = validator.validateEntity(domainSetupHostingAssetEntity);
+
+        // then
+        assertThat(result).isEmpty();
+    }
 }

src/test/java/net/hostsharing/hsadminng/hs/migration/ImportHostingAssets.java

@@ -513,15 +513,15 @@ public class ImportHostingAssets extends BaseOfficeDataImport {
 
         assertThat(firstOfEach(12, domainSetupAssets)).isEqualToIgnoringWhitespace("""
                 {
-                    4531=HsHostingAsset(DOMAIN_SETUP, l-u-g.org, l-u-g.org),
+                   4531=HsHostingAsset(DOMAIN_SETUP, l-u-g.org, l-u-g.org, D-1000300:mim default project:BI l-u-g.org),
-                    4532=HsHostingAsset(DOMAIN_SETUP, linuxfanboysngirls.de, linuxfanboysngirls.de),
+                   4532=HsHostingAsset(DOMAIN_SETUP, linuxfanboysngirls.de, linuxfanboysngirls.de, D-1000300:mim default project:BI linuxfanboysngirls.de),
-                    4534=HsHostingAsset(DOMAIN_SETUP, lug-mars.de, lug-mars.de),
+                   4534=HsHostingAsset(DOMAIN_SETUP, lug-mars.de, lug-mars.de, D-1000300:mim default project:BI lug-mars.de),
-                    4581=HsHostingAsset(DOMAIN_SETUP, 1981.ist-im-netz.de, 1981.ist-im-netz.de, DOMAIN_SETUP:ist-im-netz.de),
+                   4581=HsHostingAsset(DOMAIN_SETUP, 1981.ist-im-netz.de, 1981.ist-im-netz.de, DOMAIN_SETUP:ist-im-netz.de),
-                    4587=HsHostingAsset(DOMAIN_SETUP, mellis.de, mellis.de),
+                   4587=HsHostingAsset(DOMAIN_SETUP, mellis.de, mellis.de, D-1000300:mim default project:BI mellis.de),
-                    4589=HsHostingAsset(DOMAIN_SETUP, ist-im-netz.de, ist-im-netz.de),
+                   4589=HsHostingAsset(DOMAIN_SETUP, ist-im-netz.de, ist-im-netz.de, D-1000300:mim default project:BI ist-im-netz.de),
-                    4600=HsHostingAsset(DOMAIN_SETUP, waera.de, waera.de),
+                   4600=HsHostingAsset(DOMAIN_SETUP, waera.de, waera.de, D-1000300:mim default project:BI waera.de),
-                    4604=HsHostingAsset(DOMAIN_SETUP, xn--wra-qla.de, wära.de),
+                   4604=HsHostingAsset(DOMAIN_SETUP, xn--wra-qla.de, wära.de, D-1000300:mim default project:BI xn--wra-qla.de),
-                    7662=HsHostingAsset(DOMAIN_SETUP, dph-netzwerk.de, dph-netzwerk.de)
+                   7662=HsHostingAsset(DOMAIN_SETUP, dph-netzwerk.de, dph-netzwerk.de, D-1101900:dph default project:BI dph-netzwerk.de)
                 }
                 """);
 
@@ -1441,6 +1441,7 @@ public class ImportHostingAssets extends BaseOfficeDataImport {
 
                     // Domain Setup
                     final var domainSetupAsset = HsHostingAssetRealEntity.builder()
+                            // .bookingItem(bookingItem) are set once we've collected all domains
                             .type(DOMAIN_SETUP)
                             // .parentAsset(parentDomainSetupAsset) are set once we've collected all of them
                             .identifier(domain_name)
@@ -1542,10 +1543,27 @@ public class ImportHostingAssets extends BaseOfficeDataImport {
             final var parentDomainSetup = domainSetupsByName.get(parentDomainName);
             if (parentDomainSetup != null) {
                 domainSetup.setParentAsset(parentDomainSetup);
+            } else {
+                final var relatedProject = domainSetup.getSubHostingAssets().stream()
+                        .map(ha -> ha.getAssignedToAsset() != null ? ha.getAssignedToAsset().getRelatedProject() : null)
+                        .findAny().orElseThrow();
+                final var bookingItem = HsBookingItemRealEntity.builder()
+                        .type(HsBookingItemType.DOMAIN_SETUP)
+                        .caption("BI " + domainSetup.getIdentifier())
+                        .project((HsBookingProjectRealEntity) relatedProject)
+                        //.validity(toPostgresDateRange(created, cancelled))
+                        .build();
+                domainSetup.setBookingItem(bookingItem);
+                bookingItems.put(nextAvailableBookingItemId(), bookingItem);
+
             }
         });
     }
 
+    private static @NotNull Integer nextAvailableBookingItemId() {
+        return bookingItems.keySet().stream().max(Long::compare).map(id -> id + 1).orElseThrow();
+    }
+
     private String withDefault(final String givenValue, final Object defaultValue) {
         if (defaultValue instanceof String defaultStringValue) {
             return givenValue != null && !givenValue.isBlank() ? givenValue : defaultStringValue;