create os based groups and move all os variables to group variables

group_vars/git.yml

@@ -1,6 +1,5 @@
 ---
 
-os_type: centos7
 datadisk_size:
   - 10
 

group_vars/mirror.yml

@@ -1,6 +1,5 @@
 ---
 
-os_type: centos7
 datadisk_size:
   - 1000
 

group_vars/openbsd.yml

@@ -0,0 +1,15 @@
+---
+# fix python path errors
+ansible_python_interpreter: "/usr/bin/env python"
+
+# we have real wheel group
+ansible_wheel: wheel
+
+# fix tls directories
+tls_certs: /etc/ssl
+tls_private: /etc/ssl/private
+
+# default resources for new vm
+dsk_size: 10
+mem_size: 256
+num_cpus: