[libvirt-jenkins-ci PATCH v2 5/6] guests: Configure bootloaders

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Both GRUB and the FreeBSD bootloader need some tweaking to make
sure the OS will display boot messages and provide a login prompt
on the serial console, which is useful when SSH access can't be
used for whatever reason.

Signed-off-by: Andrea Bolognani <abologna@xxxxxxxxxx>
---
 guests/tasks/base.yml | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/guests/tasks/base.yml b/guests/tasks/base.yml
index a9066e4..db805b8 100644
--- a/guests/tasks/base.yml
+++ b/guests/tasks/base.yml
@@ -115,3 +115,53 @@
     line: 'PermitRootLogin without-password'
     state: present
     backup: yes
+
+- name: Look for GRUB configuration
+  stat:
+    path: /etc/default/grub
+  register: grubdefault
+
+- name: Look for GRUB configuration
+  stat:
+    path: /boot/grub/grub.cfg
+  register: grubcfg
+
+- name: Look for GRUB configuration
+  stat:
+    path: /boot/grub2/grub.cfg
+  register: grub2cfg
+
+- name: Configure GRUB
+  lineinfile:
+    path: /etc/default/grub
+    regexp: '^{{ item.key }}=.*$'
+    line: '{{ item.key }}="{{ item.value }}"'
+    backup: yes
+  with_items:
+    - { key: 'GRUB_TIMEOUT', value: '1' }
+    - { key: 'GRUB_CMDLINE_LINUX_DEFAULT', value: 'console=ttyS0' }
+    - { key: 'GRUB_CMDLINE_LINUX', value: 'console=ttyS0' }
+    - { key: 'GRUB_TERMINAL', value: 'serial' }
+    - { key: 'GRUB_SERIAL_COMMAND', value: 'serial' }
+  when:
+    - grubdefault.stat.exists
+
+- name: Apply GRUB configuration
+  command: 'grub-mkconfig -o /boot/grub/grub.cfg'
+  when:
+    - grubcfg.stat.exists
+
+- name: Apply GRUB configuration
+  command: 'grub2-mkconfig -o /boot/grub2/grub.cfg'
+  when:
+    - grub2cfg.stat.exists
+
+- name: Configure the FreeBSD bootloader
+  lineinfile:
+    path: /boot/loader.conf
+    regexp: '^console=.*$'
+    line: 'console="comconsole"'
+    create: yes
+    backup: yes
+  when:
+    - os_name == 'FreeBSD'
-- 
2.13.6

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