Merge branch 'fix-vmware-tools-iso' into '4.20.0.0-scclouds'

Correção no uso das ISOs `vmware-tools.iso` e `xs-tools.iso`

Closes #3160

See merge request scclouds/scclouds!1318

Author: Fabrício Duarte

server/src/main/java/com/cloud/template/TemplateManagerImpl.java

@@ -1243,15 +1243,24 @@ public boolean attachIso(long isoId, long vmId, boolean forced) {
     public TemplateInfo prepareIso(long isoId, long dcId, Long hostId, Long poolId) {
         TemplateInfo tmplt;
         boolean bypassed = false;
-        if (_tmplFactory.isTemplateMarkedForDirectDownload(isoId)) {
+        VMTemplateVO iso = _tmpltDao.findById(isoId);
+
+        if (iso == null) {
+            logger.warn("ISO [{}] does not exist.", isoId);
+            return null;
+        }
+
+        if (iso.isDirectDownload()) {
             tmplt = _tmplFactory.getReadyBypassedTemplateOnPrimaryStore(isoId, poolId, hostId);
             bypassed = true;
+        } else if (TemplateType.PERHOST.equals(iso.getTemplateType())) {
+            tmplt = _tmplFactory.getTemplate(isoId, DataStoreRole.Image, dcId);
         } else {
             tmplt = _tmplFactory.getReadyTemplateOnImageStore(isoId, dcId);
         }
 
         if (tmplt == null || tmplt.getFormat() != ImageFormat.ISO) {
-            logger.warn("ISO: " + isoId + " does not exist in vm_template table");
+            logger.warn("ISO [{}] does not exist in vm_template table.", isoId);
             return null;
         }