diff --git a/deploy.yml b/deploy.yml
index 38037ae..4dda93e 100644
--- a/deploy.yml
+++ b/deploy.yml
@@ -1,4 +1,4 @@
-- hosts: all
+- hosts: Functional_Host
   roles:
     - framework
     - kernel-ml
diff --git a/env-prod-astana/hosts.astana b/env-prod-astana/hosts.astana
index e466f8d..9936e2c 100644
--- a/env-prod-astana/hosts.astana
+++ b/env-prod-astana/hosts.astana
@@ -65,3 +65,12 @@ blade-03
 
 [certstore]
 10.4.35.1 ansible_user=tsg
+
+
+[Functional_Host:children]
+blade-00
+blade-01
+blade-02
+blade-03
+
+
diff --git a/env-stage-hy/hosts b/env-stage-hy/hosts
index e3434be..c177b37 100644
--- a/env-stage-hy/hosts
+++ b/env-stage-hy/hosts
@@ -5,4 +5,8 @@ ansible_user=root
 192.168.10.41
 
 [blade-01]
-192.168.10.42
\ No newline at end of file
+192.168.10.42
+
+[Functional_Host:children]
+blade-00
+blade-01
\ No newline at end of file
diff --git a/env-stage-xxg/hosts b/env-stage-xxg/hosts
index 188df95..e247dd4 100644
--- a/env-stage-xxg/hosts
+++ b/env-stage-xxg/hosts
@@ -16,3 +16,9 @@ package_source=pulp
 
 [blade-03]
 192.168.40.24
+
+[Functional_Host:children]
+blade-00
+blade-01
+blade-02
+blade-03