Cleanup legacy syntax, spacing, files all to yml

Migrate older inline= syntax to pure yml syntax for module args as to be consistant with most of the rest of the tasks
Cleanup some spacing in various files
Rename some files named yaml to yml for consistancy

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

@@ -1,7 +1,9 @@
 ---
 
 - name: install ELRepo key
-  rpm_key: state=present key='{{ elrepo_key_url }}'
+  rpm_key:
+    state: present
+    key: '{{ elrepo_key_url }}'
 
 - name: install elrepo repository
   yum:
@@ -9,7 +11,10 @@
     state: present
 
 - name: upgrade kernel
-  yum: name={{elrepo_kernel_package}} state=present enablerepo=elrepo-kernel
+  yum:
+    name: "{{elrepo_kernel_package}}"
+    state: present
+    enablerepo: elrepo-kernel
   register: upgrade
 
 - name: change default grub entry

roles/kernel-upgrade/tasks/reboot.yml

@@ -8,23 +8,33 @@
   shell: nohup bash -c "sleep 5 && shutdown -r now 'Reboot required for updated kernel'" &
 
 - name: Wait for some seconds
-  pause: seconds=10
+  pause:
+    seconds: 10
 
 - set_fact:
     is_bastion: "{{ inventory_hostname == 'bastion' }}"
     wait_for_delegate: "localhost"
+
 - set_fact:
     wait_for_delegate: "{{hostvars['bastion']['ansible_ssh_host']}}"
   when: "{{ 'bastion' in groups['all'] }}"
 
 - name: wait for bastion to come back
-  wait_for: host={{ ansible_ssh_host }} port=22 delay=10 timeout=300
+  wait_for:
+    host: "{{ ansible_ssh_host }}"
+    port: 22
+    delay: 10
+    timeout: 300
   become: false
   delegate_to: localhost
   when: "is_bastion"
 
 - name: waiting for server to come back (using bastion if necessary)
-  wait_for: host={{ ansible_ssh_host }} port=22 delay=10 timeout=300
+  wait_for:
+    host: "{{ ansible_ssh_host }}"
+    port: 22
+    delay: 10
+    timeout: 300
   become: false
   delegate_to: "{{ wait_for_delegate }}"
   when: "not is_bastion"