add a phx2 group to inventory

inventory/group_vars/phx2

@@ -0,0 +1,25 @@
+---
+# group variables for all hosts in iad2 datacenter
+dns1: "10.5.126.21"
+dns2: "10.5.126.22"
+
+datacenter: phx2
+#preferred_dc: phx2
+
+
+ipa_server: ipa01.phx2.fedoraproject.org
+
+# for now, lets not monitor any of them from phx2.
+
+nagios_Can_Connect: false
+
+nagios_Check_Services:
+  mail: false
+  nrpe: false
+  sshd: false
+  swap: false
+  ping: false
+  raid: false
+
+certbot_datacenter: phx2
+nagios_server: noc01.phx2.fedoraproject.org