diff --git a/icgparser/doml/v1/nginx-openstack_v1.domlx b/icgparser/doml/v1/nginx-openstack_v1.domlx
index e10fe0e6891f622a91b3b530fe9f82aa4e7e6d03..1b352ff3b631d2a21a9b4d9570f882b60b02a261 100644
--- a/icgparser/doml/v1/nginx-openstack_v1.domlx
+++ b/icgparser/doml/v1/nginx-openstack_v1.domlx
@@ -7,13 +7,12 @@
   </application>
   <infrastructure name="infra">
     <nodes xsi:type="infra:AutoScalingGroup" name="ag" deploymentNetwork="//@infrastructure/@networks.0">
-      <machineDefinition name="vm1" os="ubuntu-20.04.3" credentials="//@infrastructure/@credentials.0" group="//@infrastructure/@groups.0" generatedFrom="//@infrastructure/@generators.0">
+      <machineDefinition name="vm1" os="Ubuntu-Focal-20.04-Daily-2022-04-19" credentials="//@infrastructure/@credentials.0" group="//@infrastructure/@groups.0">
         <ifaces name="i1" endPoint="16.0.0.1" belongsTo="//@infrastructure/@networks.0" associated="//@infrastructure/@groups.0"/>
       </machineDefinition>
     </nodes>
     <networks name="net1" protocol="tcp/ip" addressRange="16.0.0.0/24" connectedIfaces="//@infrastructure/@nodes.0/@machineDefinition/@ifaces.0"/>
-    <generators xsi:type="infra:VMImage" name="v_img" generatedVMs="//@infrastructure/@nodes.0/@machineDefinition"/>
-    <credentials xsi:type="infra:KeyPair" name="ssh_key" user="ubuntu" keyfile="/home/user1/.ssh/openstack.key" algorithm="RSA" bits="4096"/>
+    <credentials xsi:type="infra:KeyPair" name="ssh_key" user="ubuntu"/>
     <groups xsi:type="infra:SecurityGroup" name="sg" groupedNodes="//@infrastructure/@nodes.0/@machineDefinition" ifaces="//@infrastructure/@nodes.0/@machineDefinition/@ifaces.0">
       <rules name="icmp" protocol="icmp" fromPort="-1" toPort="-1">
         <cidr>0.0.0.0/0</cidr>
@@ -34,11 +33,7 @@
       <vms name="concrete_vm" maps="//@infrastructure/@nodes.0/@machineDefinition">
         <annotations xsi:type="commons:SProperty" key="vm_name" value="nginx-host"/>
         <annotations xsi:type="commons:SProperty" key="vm_flavor" value="small"/>
-        <annotations xsi:type="commons:SProperty" key="vm_key_name" value="user1"/>
       </vms>
-      <vmImages name="concrete_vm_image" maps="//@infrastructure/@generators.0">
-        <annotations xsi:type="commons:SProperty" key="name" value="ubuntu-20.04.3"/>
-      </vmImages>
       <networks name="concrete_net" maps="//@infrastructure/@networks.0">
         <annotations xsi:type="commons:SProperty" key="name" value="ostack2"/>
       </networks>
diff --git a/input_file_generated/ir.json b/input_file_generated/ir.json
index d5cd04e6a65f89bd5e63e1606e537b5bbc5187d7..da327c87fed30ec8ed80fc98faa55b25629b2a2d 100644
--- a/input_file_generated/ir.json
+++ b/input_file_generated/ir.json
@@ -50,10 +50,7 @@
         ],
         "credentials": [
           {
-            "algorithm": "RSA",
-            "bits": 4096,
             "infra_element_name": "ssh_key",
-            "keyfile": "/home/user1/.ssh/openstack.key",
             "user": "ubuntu"
           }
         ],
@@ -66,17 +63,9 @@
           }
         ],
         "provider": "openstack",
-        "vmImages": [
-          {
-            "infra_element_name": "v_img",
-            "kind": "SCRIPT",
-            "name": "concrete_vm_image"
-          }
-        ],
         "vms": [
           {
             "credentials": "ssh_key",
-            "generatedFrom": "v_img",
             "group": "sg",
             "i1": {
               "associated": "sg",
@@ -86,9 +75,8 @@
             },
             "infra_element_name": "vm1",
             "name": "concrete_vm",
-            "os": "ubuntu-20.04.3",
+            "os": "Ubuntu-Focal-20.04-Daily-2022-04-19",
             "vm_flavor": "small",
-            "vm_key_name": "user1",
             "vm_name": "nginx-host"
           }
         ]
@@ -101,7 +89,6 @@
           "name": "nginx",
           "node": {
             "credentials": "ssh_key",
-            "generatedFrom": "v_img",
             "group": "sg",
             "i1": {
               "associated": "sg",
@@ -111,9 +98,8 @@
             },
             "infra_element_name": "vm1",
             "name": "concrete_vm",
-            "os": "ubuntu-20.04.3",
+            "os": "Ubuntu-Focal-20.04-Daily-2022-04-19",
             "vm_flavor": "small",
-            "vm_key_name": "user1",
             "vm_name": "nginx-host"
           },
           "source_code": "/usr/share/nginx/html/index.html"
diff --git a/output_files_generated/nginx_openstack/config.yaml b/output_files_generated/nginx_openstack/config.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..6464675fc28c7eb4c9e955f4184bf662c8f3f0a5
--- /dev/null
+++ b/output_files_generated/nginx_openstack/config.yaml
@@ -0,0 +1,5 @@
+---
+iac:
+- terraform
+- ansible
+...
\ No newline at end of file