Clear pending yum transaction before installing extra pkgs

Former-commit-id: 25583100

roles/extra_packages/tasks/main.yml

@@ -7,6 +7,11 @@
   command: yum clean all
   sudo: true
   when: ansible_os_family == 'RedHat'
+
+- name: "Clear yum pending transactions"
+  command: yum-complete-transaction --cleanup-only
+  sudo: true
+  when: ansible_os_family == 'RedHat'
  
 - name: "Install extra packages"
   yum: "name={{ item }} exclude={{ excludes|join(',') }} update_cache=yes state=present"