fix #8: update jinja to version 2.8

common/verify-local-requirements.yml

@@ -6,13 +6,23 @@
 
    - name: Check if jmespath is installed locally
      debug: msg={{dummy|json_query('@')}}
-     register: check
+     register: check_jmespath
      ignore_errors: yes
      vars:
        dummy: Hello World
 
+   - name: Check if jinja 2.8 is installed locally
+     debug: msg={{(dummy|selectattr("id", "equalto", "hello")|first)['value']}}
+     vars:
+       dummy:
+       - id: hello
+         value: Hello World
+     register: check_jinja28
+     ignore_errors: yes
+
    - set_fact:
-       jmespath_missing: '{{ check|failed }}'
+       jmespath_missing: '{{ check_jmespath|failed }}'
+       jinja28_missing: '{{ check_jinja28|failed }}'
        on_rhel7: '{{ ansible_distribution == ''RedHat'' and ansible_lsb.major_release|int == 7 }}'
 
    - debug:
@@ -23,17 +33,26 @@
        msg: "This playbook can install by itself the missing packages on RHEL 7.x but we are not on such system (detected OS : {{ansible_distribution}} {{ansible_distribution_version}}). See https://github.com/nmasse-itix/OpenShift-Lab/issues/5 for more information."
      when: 'jmespath_missing and not on_rhel7'
 
+   - fail:
+       msg: "This playbook can install by itself the missing packages on RHEL 7.x but we are not on such system (detected OS : {{ansible_distribution}} {{ansible_distribution_version}}). See https://github.com/nmasse-itix/OpenShift-Lab/issues/8 for more information."
+     when: 'jinja28_missing and not on_rhel7'
+
    - name: Enable the RHSCL repo
      command: subscription-manager repos --enable rhel-server-rhscl-7-rpms
      become: yes
-     when: 'jmespath_missing and on_rhel7'
+     when: '(jmespath_missing or jinja28_missing) and on_rhel7'
 
    - name: Install PIP
      yum: name=python27-python-pip state=installed
      become: yes
-     when: 'jmespath_missing and on_rhel7'
+     when: '(jmespath_missing or jinja28_missing) and on_rhel7'
 
    - name: Install JMESPATH
      command: 'scl enable python27 ''pip install --install-option="--install-purelib=/usr/lib/python2.7/site-packages/" jmespath'' '
      become: yes
      when: 'jmespath_missing and on_rhel7'
+
+   - name: Update jinja to versions 2.8
+     command: 'scl enable python27 ''pip install --install-option="--install-purelib=/usr/lib/python2.7/site-packages/" jinja2'' '
+     become: yes
+     when: 'jinja28_missing and on_rhel7'