Add global setting to control different host tags offering checks

Author: nvazquez

server/src/main/java/com/cloud/api/query/QueryManagerImpl.java

@@ -45,6 +45,7 @@
 import com.cloud.storage.dao.StoragePoolAndAccessGroupMapDao;
 import com.cloud.cluster.ManagementServerHostPeerJoinVO;
 
+import com.cloud.vm.UserVmManager;
 import org.apache.cloudstack.acl.ControlledEntity;
 import org.apache.cloudstack.acl.ControlledEntity.ACLType;
 import org.apache.cloudstack.acl.SecurityChecker;
@@ -4330,7 +4331,9 @@ private Pair<List<Long>, Integer> searchForServiceOfferingIdsAndCount(ListServic
         List<String> hostTags = new ArrayList<>();
         if (currentVmOffering != null) {
             hostTags.addAll(com.cloud.utils.StringUtils.csvTagsToList(currentVmOffering.getHostTag()));
-            addVmCurrentClusterHostTags(vmInstance, hostTags);
+            if (UserVmManager.AllowDifferentHostTagsOfferingsForVmScale.value()) {
+                addVmCurrentClusterHostTags(vmInstance, hostTags);
+            }
         }
 
         if (!hostTags.isEmpty()) {

server/src/main/java/com/cloud/vm/UserVmManager.java

@@ -108,6 +108,9 @@ public interface UserVmManager extends UserVmService {
             "Comma separated list of allowed additional VM settings if VM instance settings are read from OVA.",
             true, ConfigKey.Scope.Zone, null, null, null, null, null, ConfigKey.Kind.CSV, null);
 
+    ConfigKey<Boolean> AllowDifferentHostTagsOfferingsForVmScale = new ConfigKey<>("Advanced", Boolean.class, "allow.different.host.tags.offerings.for.vm.scale", "false",
+            "Enables/Disable allowing to change a VM offering to offerings with different host tags", true);
+
     static final int MAX_USER_DATA_LENGTH_BYTES = 2048;
 
     public  static  final String CKS_NODE = "cksnode";

server/src/main/java/com/cloud/vm/UserVmManagerImpl.java

@@ -9394,7 +9394,7 @@ public ConfigKey<?>[] getConfigKeys() {
                 VmIpFetchThreadPoolMax, VmIpFetchTaskWorkers, AllowDeployVmIfGivenHostFails, EnableAdditionalVmConfig, DisplayVMOVFProperties,
                 KvmAdditionalConfigAllowList, XenServerAdditionalConfigAllowList, VmwareAdditionalConfigAllowList, DestroyRootVolumeOnVmDestruction,
                 EnforceStrictResourceLimitHostTagCheck, StrictHostTags, AllowUserForceStopVm, VmDistinctHostNameScope,
-                VmwareAdditionalDetailsFromOvaEnabled, VmwareAllowedAdditionalDetailsFromOva};
+                VmwareAdditionalDetailsFromOvaEnabled, VmwareAllowedAdditionalDetailsFromOva, AllowDifferentHostTagsOfferingsForVmScale};
     }
 
     @Override