diff --git a/plugins/integrations/kubernetes-service/src/main/java/org/apache/cloudstack/api/command/user/kubernetes/cluster/ScaleKubernetesClusterCmd.java b/plugins/integrations/kubernetes-service/src/main/java/org/apache/cloudstack/api/command/user/kubernetes/cluster/ScaleKubernetesClusterCmd.java
index 994b3997022..574d8a70395 100644
--- a/plugins/integrations/kubernetes-service/src/main/java/org/apache/cloudstack/api/command/user/kubernetes/cluster/ScaleKubernetesClusterCmd.java
+++ b/plugins/integrations/kubernetes-service/src/main/java/org/apache/cloudstack/api/command/user/kubernetes/cluster/ScaleKubernetesClusterCmd.java
@@ -57,7 +57,7 @@ public class ScaleKubernetesClusterCmd extends BaseAsyncCmd {
     /////////////////////////////////////////////////////
     //////////////// API parameters /////////////////////
     /////////////////////////////////////////////////////
-    @Parameter(name = ApiConstants.ID, type = CommandType.UUID,
+    @Parameter(name = ApiConstants.ID, type = CommandType.UUID, required = true,
             entityType = KubernetesClusterResponse.class,
             description = "the ID of the Kubernetes cluster")
     private Long id;
diff --git a/plugins/integrations/prometheus/src/main/java/org/apache/cloudstack/metrics/PrometheusExporterImpl.java b/plugins/integrations/prometheus/src/main/java/org/apache/cloudstack/metrics/PrometheusExporterImpl.java
index 4b8f19c6608..d85e07b70b6 100644
--- a/plugins/integrations/prometheus/src/main/java/org/apache/cloudstack/metrics/PrometheusExporterImpl.java
+++ b/plugins/integrations/prometheus/src/main/java/org/apache/cloudstack/metrics/PrometheusExporterImpl.java
@@ -37,7 +37,6 @@ import com.cloud.api.query.dao.DomainJoinDao;
 import com.cloud.api.query.dao.HostJoinDao;
 import com.cloud.api.query.dao.StoragePoolJoinDao;
 import com.cloud.api.query.vo.DomainJoinVO;
-import com.cloud.api.query.vo.HostJoinVO;
 import com.cloud.api.query.vo.StoragePoolJoinVO;
 import com.cloud.capacity.Capacity;
 import com.cloud.capacity.CapacityManager;
@@ -50,7 +49,9 @@ import com.cloud.dc.Vlan;
 import com.cloud.dc.dao.DataCenterDao;
 import com.cloud.dc.dao.DataCenterIpAddressDao;
 import com.cloud.host.Host;
+import com.cloud.host.HostVO;
 import com.cloud.host.Status;
+import com.cloud.host.dao.HostDao;
 import com.cloud.network.dao.IPAddressDao;
 import com.cloud.storage.ImageStore;
 import com.cloud.storage.StorageStats;
@@ -78,6 +79,8 @@ public class PrometheusExporterImpl extends ManagerBase implements PrometheusExp
     @Inject
     private DataCenterDao dcDao;
     @Inject
+    private HostDao hostDao;
+    @Inject
     private HostJoinDao hostJoinDao;
     @Inject
     private VMInstanceDao vmDao;
@@ -112,8 +115,8 @@ public class PrometheusExporterImpl extends ManagerBase implements PrometheusExp
         int total = 0;
         int up = 0;
         int down = 0;
-        for (final HostJoinVO host : hostJoinDao.listAll()) {
-            if (host == null || host.getType() != Host.Type.Routing || host.getZoneId() != dcId) {
+        for (final HostVO host : hostDao.listAll()) {
+            if (host == null || host.getType() != Host.Type.Routing || host.getDataCenterId() != dcId) {
                 continue;
             }
             total++;
diff --git a/scripts/vm/network/vnet/modifyvxlan.sh b/scripts/vm/network/vnet/modifyvxlan.sh
index 3aa19ad424d..6af2f09613c 100755
--- a/scripts/vm/network/vnet/modifyvxlan.sh
+++ b/scripts/vm/network/vnet/modifyvxlan.sh
@@ -131,6 +131,9 @@ fi
 
 LOCKFILE=/var/run/cloud/vxlan.lock
 
+# ensures that parent directories exists and prepares the lock file
+mkdir -p "${LOCKFILE%/*}"
+
 (
     flock -x -w 10 200 || exit 1
     if [[ "$OP" == "add" ]]; then