Update this to use 'is defined'

roles/fas_client/tasks/main.yml

@@ -18,7 +18,7 @@
 
 - name: install nss_db on rhel hosts only
   yum: state=installed name=nss_db
-  when: is_rhel == 'True'
+  when: is_rhel is defined
   tags:
   - packages
 

roles/koji_builder/tasks/main.yml

@@ -166,7 +166,7 @@
   yum: state=installed pkg={{ item }}
   with_items:
   - kmod-hfsplus    
-  when: is_rhel == 'True'
+  when: is_rhel is defined
 
 - name: enable services and start them on Fedora systems
   service: name={{ item }}  enabled=true state=started

tasks/growroot_cloud.yml

@@ -1,6 +1,6 @@
 - name: add infra repo 
   action: get_url url=http://infrastructure.fedoraproject.org/el/infrastructure.repo dest=/etc/yum.repos.d/
-  when: is_rhel == 'True'
+  when: is_rhel is defined
   tags:
   - config
 

tasks/serialgetty.yml

@@ -2,6 +2,6 @@
 
 - name: upstart serial setup
   action: copy src="{{ files }}/common/ttyS0.conf" dest=/etc/init/ttyS0.conf
-  when: is_rhel == 'True'
+  when: is_rhel is defined
   tags:
   - configs

tasks/sign_setup.yml

@@ -4,7 +4,7 @@
   action: copy src="{{ files }}/sign/{{ item }}" dest="/etc/yum.repos.d/{{ item }}"
   with_items:
   - builder-rpms.repo
-  when: is_rhel == 'True'
+  when: is_rhel is defined
   tags:
   - config
   - packages