Fix ansible-lint test failures for ironic

With the merge of https://review.openstack.org/520177 in the
tests repo some ansible-lint failures which previously were
not being picked up are now detected.

Change-Id: I76157ccedfbcb8b0c2cba852bfa6b78ba6981c6c

test-setup-swifthosts.yml

@@ -35,10 +35,12 @@
       use: "{{ ansible_pkg_mgr }}"
     delegate_to: "{{ physical_host }}"
     run_once: true
+
   - name: Ensure xfsprogs is installed on containers
     package:
       name: xfsprogs
       state: present
+
   - name: Openstack directory Create
     file:
       state: directory
@@ -46,8 +48,9 @@
     with_items:
       - 'swift1'
       - 'swift2'
+
   - name: Create sparse Swift files
-    shell: "truncate -s 1024G /opt/{{container_name}}_{{ item }}.img"
+    command: "truncate -s 1024G /opt/{{container_name}}_{{ item }}.img"
     args:
       creates: "/opt/{{ container_name}}_{{ item }}.img"
     with_items:
@@ -55,6 +58,7 @@
       - 'swift2'
     register: swift_create
     delegate_to: "{{ physical_host }}"
+
   - name: Format the Swift files
     filesystem:
       fstype: xfs
@@ -65,6 +69,7 @@
       - 'swift1'
       - 'swift2'
     delegate_to: "{{ physical_host }}"
+
   - name: Create the Swift fstab entries and mount the file systems
     mount:
       name: "/srv/{{ container_name }}_{{ item }}"
@@ -82,6 +87,7 @@
     retries: 5
     delay: 2
     delegate_to: "{{ physical_host }}"
+
   - name: Swift extra lxc config
     lxc_container:
       name: "{{ container_name }}"
@@ -89,6 +95,7 @@
         - "lxc.mount.entry=/srv/{{ container_name }}_swift1 openstack/swift1 none bind 0 0"
         - "lxc.mount.entry=/srv/{{ container_name }}_swift2 openstack/swift2 none bind 0 0"
     delegate_to: "{{ physical_host }}"
+
   - name: Wait for container connectivity
     wait_for_connection:
       connect_timeout: "{{ lxc_container_wait_params.connect_timeout | default(omit) }}"