Fix variables location

Change-Id: Ic06313e964c752697f71f8cd692179d3502cf16d
diff --git a/playbooks/setup-openstack-iscsi-multipath/pre.yaml b/playbooks/setup-openstack-iscsi-multipath/pre.yaml
index a48486b..9bf16f9 100644
--- a/playbooks/setup-openstack-iscsi-multipath/pre.yaml
+++ b/playbooks/setup-openstack-iscsi-multipath/pre.yaml
@@ -118,8 +118,8 @@
     - set_fact:
         sp_iscsi0_mac: "{{ hostvars['undercloud-client']['port_node_1_iscsi0_mac'] }}"
         sp_iscsi1_mac: "{{ hostvars['undercloud-client']['port_node_1_iscsi1_mac'] }}"
-        ip_node_1_iscsi0: "{{ hostvars['undercloud-client']['ip_node_1_iscsi0'] }}/24"
-        ip_node_1_iscsi1: "{{ hostvars['undercloud-client']['ip_node_1_iscsi1'] }}/24"
+        ip_node_1_iscsi0: "{{ ip_node_1_iscsi0 }}/24"
+        ip_node_1_iscsi1: "{{ ip_node_1_iscsi1 }}/24"
 
     - set_fact:
         storpool_netplan: "{{ hostvars['localhost'].STORPOOL_ISCSI_NETPLAN.v }}"
@@ -168,7 +168,7 @@
   tasks:
     - set_fact:
         iscsi_mac: "{{ hostvars['undercloud-client']['port_node_2_iscsi0_mac'] }}"
-        iscsi_ip: "{{ hostvars['undercloud-client']['ip_node_2_iscsi0'] }}/24"
+        iscsi_ip: "{{ ip_node_2_iscsi0 }}/24"
 
     - set_fact:
         systemd_networkd_iscsi: "{{ hostvars['localhost'].ISCSI_NODE_SYSTEMD_NETWORKD.v }}"
@@ -183,7 +183,7 @@
 
     - set_fact:
         iscsi_mac: "{{ hostvars['undercloud-client']['port_node_2_iscsi1_mac'] }}"
-        iscsi_ip: "{{ hostvars['undercloud-client']['ip_node_2_iscsi1'] }}/24"
+        iscsi_ip: "{{ ip_node_2_iscsi1 }}/24"
 
     - set_fact:
         systemd_networkd_iscsi: "{{ hostvars['localhost'].ISCSI_NODE_SYSTEMD_NETWORKD.v }}"