Fix for dynamic scaling toggle for instance

api/src/main/java/org/apache/cloudstack/api/command/user/config/ListCapabilitiesCmd.java

@@ -71,6 +71,7 @@ public void execute() {
         response.setInstancesStatsUserOnly((Boolean) capabilities.get(ApiConstants.INSTANCES_STATS_USER_ONLY));
         response.setInstancesDisksStatsRetentionEnabled((Boolean) capabilities.get(ApiConstants.INSTANCES_DISKS_STATS_RETENTION_ENABLED));
         response.setInstancesDisksStatsRetentionTime((Integer) capabilities.get(ApiConstants.INSTANCES_DISKS_STATS_RETENTION_TIME));
+        response.setDynamicScalingEnabled((Boolean) capabilities.get(ApiConstants.DYNAMIC_SCALING_ENABLED));
         response.setObjectName("capability");
         response.setResponseName(getCommandName());
         this.setResponseObject(response);

api/src/main/java/org/apache/cloudstack/api/response/CapabilitiesResponse.java

@@ -124,6 +124,10 @@ public class CapabilitiesResponse extends BaseResponse {
     @Param(description = "the retention time for Instances disks stats", since = "4.18.0")
     private Integer instancesDisksStatsRetentionTime;
 
+    @SerializedName(ApiConstants.DYNAMIC_SCALING_ENABLED)
+    @Param(description = "true if dynamically scaling for instances is enabled", since = "4.19.4")
+    private Boolean dynamicScalingEnabled;
+
     public void setSecurityGroupsEnabled(boolean securityGroupsEnabled) {
         this.securityGroupsEnabled = securityGroupsEnabled;
     }
@@ -223,4 +227,8 @@ public void setInstancesDisksStatsRetentionTime(Integer instancesDisksStatsReten
     public void setCustomHypervisorDisplayName(String customHypervisorDisplayName) {
         this.customHypervisorDisplayName = customHypervisorDisplayName;
     }
+
+    public void setDynamicScalingEnabled(Boolean dynamicScalingEnabled) {
+        this.dynamicScalingEnabled = dynamicScalingEnabled;
+    }
 }

server/src/main/java/com/cloud/server/ManagementServerImpl.java

@@ -4408,6 +4408,7 @@ public Map<String, Object> listCapabilities(final ListCapabilitiesCmd cmd) {
         capabilities.put(ApiConstants.INSTANCES_STATS_USER_ONLY, StatsCollector.vmStatsCollectUserVMOnly.value());
         capabilities.put(ApiConstants.INSTANCES_DISKS_STATS_RETENTION_ENABLED, StatsCollector.vmDiskStatsRetentionEnabled.value());
         capabilities.put(ApiConstants.INSTANCES_DISKS_STATS_RETENTION_TIME, StatsCollector.vmDiskStatsMaxRetentionTime.value());
+        capabilities.put(ApiConstants.DYNAMIC_SCALING_ENABLED, UserVmManager.EnableDynamicallyScaleVm.value());
         if (apiLimitEnabled) {
             capabilities.put("apiLimitInterval", apiLimitInterval);
             capabilities.put("apiLimitMax", apiLimitMax);

ui/src/views/compute/DeployVM.vue

@@ -944,8 +944,7 @@ export default {
         keyboards: [],
         bootTypes: [],
         bootModes: [],
-        ioPolicyTypes: [],
-        dynamicScalingVmConfig: false
+        ioPolicyTypes: []
       },
       rowCount: {},
       loading: {
@@ -1175,13 +1174,6 @@ export default {
             type: 'Routing'
           },
           field: 'hostid'
-        },
-        dynamicScalingVmConfig: {
-          list: 'listConfigurations',
-          options: {
-            zoneid: _.get(this.zone, 'id'),
-            name: 'enable.dynamic.scale.vm'
-          }
         }
       }
     },
@@ -1312,7 +1304,7 @@ export default {
       return Boolean('listUserData' in this.$store.getters.apis)
     },
     dynamicScalingVmConfigValue () {
-      return this.options.dynamicScalingVmConfig?.[0]?.value === 'true'
+      return this.$store.getters.features.dynamicscalingenabled
     },
     isCustomizedDiskIOPS () {
       return this.diskSelected?.iscustomizediops || false
@@ -2215,7 +2207,7 @@ export default {
       param.loading = true
       param.opts = []
       const options = param.options || {}
-      if (!('listall' in options) && !['zones', 'pods', 'clusters', 'hosts', 'dynamicScalingVmConfig', 'hypervisors'].includes(name)) {
+      if (!('listall' in options) && !['zones', 'pods', 'clusters', 'hosts', 'hypervisors'].includes(name)) {
         options.listall = true
       }
       api(param.list, options).then((response) => {

ui/src/views/compute/DeployVnfAppliance.vue

@@ -960,8 +960,7 @@ export default {
         keyboards: [],
         bootTypes: [],
         bootModes: [],
-        ioPolicyTypes: [],
-        dynamicScalingVmConfig: false
+        ioPolicyTypes: []
       },
       rowCount: {},
       loading: {
@@ -1194,13 +1193,6 @@ export default {
             type: 'Routing'
           },
           field: 'hostid'
-        },
-        dynamicScalingVmConfig: {
-          list: 'listConfigurations',
-          options: {
-            zoneid: _.get(this.zone, 'id'),
-            name: 'enable.dynamic.scale.vm'
-          }
         }
       }
     },
@@ -1332,7 +1324,7 @@ export default {
       return Boolean('listUserData' in this.$store.getters.apis)
     },
     dynamicScalingVmConfigValue () {
-      return this.options.dynamicScalingVmConfig?.[0]?.value === 'true'
+      return this.$store.getters.features.dynamicscalingenabled
     },
     isCustomizedDiskIOPS () {
       return this.diskSelected?.iscustomizediops || false
@@ -2403,7 +2395,7 @@ export default {
       param.loading = true
       param.opts = []
       const options = param.options || {}
-      if (!('listall' in options) && !['zones', 'pods', 'clusters', 'hosts', 'dynamicScalingVmConfig', 'hypervisors'].includes(name)) {
+      if (!('listall' in options) && !['zones', 'pods', 'clusters', 'hosts', 'hypervisors'].includes(name)) {
         options.listall = true
       }
       api(param.list, options).then((response) => {

ui/src/views/compute/EditVM.vue

@@ -145,7 +145,6 @@ export default {
       template: {},
       userDataEnabled: false,
       securityGroupsEnabled: false,
-      dynamicScalingVmConfig: false,
       loading: false,
       securitygroups: {
         loading: false,
@@ -189,7 +188,6 @@ export default {
       this.fetchInstaceGroups()
       this.fetchServiceOfferingData()
       this.fetchTemplateData()
-      this.fetchDynamicScalingVmConfig()
       this.fetchUserData()
     },
     fetchZoneDetails () {
@@ -241,18 +239,8 @@ export default {
         this.template = templateResponses[0]
       })
     },
-    fetchDynamicScalingVmConfig () {
-      const params = {}
-      params.name = 'enable.dynamic.scale.vm'
-      params.zoneid = this.resource.zoneid
-      var apiName = 'listConfigurations'
-      api(apiName, params).then(json => {
-        const configResponse = json.listconfigurationsresponse.configuration
-        this.dynamicScalingVmConfig = configResponse[0]?.value === 'true'
-      })
-    },
-    canDynamicScalingEnabled () {
-      return this.template.isdynamicallyscalable && this.serviceOffering.dynamicscalingenabled && this.dynamicScalingVmConfig
+    isDynamicScalingEnabled () {
+      return this.template.isdynamicallyscalable && this.serviceOffering.dynamicscalingenabled && this.$store.getters.features.dynamicscalingenabled
     },
     fetchOsTypes () {
       this.osTypes.loading = true