Removal of dockerSDK check for other container engines

Typo fix and adding condition on not checking docker SDK version
when container engine is not docker

This is a followup to Ic30b67daa2e215524096ad1f4385c569e3d41b95
Signed-off-by: Ivan Halomi <i.halomi@partner.samsung.com>
Change-Id: Iafa24db06ad46bcfe250451ed98bc3c48d8a5138

ansible/roles/prechecks/tasks/package_checks.yml

@@ -3,7 +3,9 @@
   command: "{{ ansible_facts.python.executable }} -c \"import docker; print(docker.__version__)\""
   register: result
   changed_when: false
-  when: inventory_hostname in groups['baremetal']
+  when:
+    - inventory_hostname in groups['baremetal']
+    - kolla_container_engine == 'docker'
   failed_when: result is failed or result.stdout is version(docker_py_version_min, '<')
 
 # NOTE(osmanlicilegi): ansible_version.full includes patch number that's useless

ansible/roles/swift/tasks/reconfigure.yml

@@ -44,7 +44,7 @@
 
 - name: Check the configs
   become: true
-  command: "{{ kolla_container_engine }}exec -u root {{ item.name }} /usr/local/bin/kolla_set_configs --check"
+  command: "{{ kolla_container_engine }} exec -u root {{ item.name }} /usr/local/bin/kolla_set_configs --check"
   changed_when: false
   failed_when: false
   register: check_results