fix some variables

playbooks/groups/overcloud-config.yml

@@ -53,8 +53,8 @@
 
   - name: download images
     get_url:
-      dest: "/var/tmp/{{ imagename }}"
-      url: "{{ url }}"
+      dest: "/var/tmp/{{ item.imagename }}"
+      url: "{{ item.url }}"
     with_items:
        - { imagename: Fedora-Cloud-Base-27-1.6.ppc64le.qcow2, 
            url: "https://download.fedoraproject.org/pub/fedora-secondary/releases/27/CloudImages/ppc64le/images/Fedora-Cloud-Base-27-1.6.ppc64le.qcow2" }
@@ -65,7 +65,7 @@
       name: "{{ item.name }}"
       disk_format: qcow2
       is_public: True
-      file: "{{ filename }}"
+      file: "{{ item.filename }}"
     with_items:
       - { name: Fedora-Cloud-Base-27-1.6.ppc64le, filename: /var/tmp/Fedora-Cloud-Base-27-1.6.ppc64le.qcow2 }