Add kernel upgrade for CentOS

roles/kernel-upgrade/tasks/centos-7.yml

@@ -0,0 +1,28 @@
+---
+
+- name: install ELRepo key
+  rpm_key: state=present key='{{ elrepo_key_url }}'
+
+- name: install elrepo repository
+  yum:
+    name: '{{elrepo_url}}'
+    state: present
+
+- name: upgrade kernel
+  yum: name={{elrepo_kernel_package}} state=present enablerepo=elrepo-kernel
+  register: upgrade
+
+- name: change default grub entry
+  lineinfile:
+    dest: '/etc/default/grub'
+    regexp: '^GRUB_DEFAULT=.*'
+    line: 'GRUB_DEFAULT=0'
+  when: upgrade.changed
+  register: grub_entry
+
+- name: re-generate grub-config
+  command: grub2-mkconfig -o /boot/grub2/grub.cfg
+  when: upgrade.changed and grub_entry.changed
+
+- include: reboot.yml
+  when: upgrade.changed