diff options
author | 2017-11-21 11:05:07 -0800 | |
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committer | 2017-12-22 10:43:44 +0000 | |
commit | d2c4c4f8a798506ee88d0412ee1ab7cae5f394e5 (patch) | |
tree | 3645ff8087e11638abf7a50aa107ed99c10471fb /ansible/roles/enable_hugepages_on_boot/tasks/manual_modify_grub.yml | |
parent | 057b1a79717c12eb283baeed94963cda2ff26df8 (diff) |
Bugfix in role enable_hugepages_on_boot
Make role idempotent.
Current regex doesn't match for:
linux /boot/vmlinuz-4.10.0-30-generic root=/dev/nvme0n1p1 ro vga=788 text
Change-Id: If5eb20fce4ddc35bb109c00eb7565853b3763950
Signed-off-by: Jan Malanik <janx.malanik@intel.com>
Signed-off-by: Malanik Jan <janx.malanik@intel.com>
Diffstat (limited to 'ansible/roles/enable_hugepages_on_boot/tasks/manual_modify_grub.yml')
-rw-r--r-- | ansible/roles/enable_hugepages_on_boot/tasks/manual_modify_grub.yml | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/ansible/roles/enable_hugepages_on_boot/tasks/manual_modify_grub.yml b/ansible/roles/enable_hugepages_on_boot/tasks/manual_modify_grub.yml index cac10e80e..6fa0c1d25 100644 --- a/ansible/roles/enable_hugepages_on_boot/tasks/manual_modify_grub.yml +++ b/ansible/roles/enable_hugepages_on_boot/tasks/manual_modify_grub.yml @@ -20,16 +20,17 @@ recurse: yes register: grub_files +- name: check if hugepages are already enabled + command: "grep -o 'default_hugepagesz=' {{ item.path }}" + register: hugepage_enabled + ignore_errors: True + with_items: "{{ grub_files.files }}" -- name: added hugepages to grub manually because we can't run update-grub in chroot +- name: add hugepages to grub manually because we can't run update-grub in chroot replace: dest: "{{ item.path }}" - # console= should end the line - regexp: '(linux\s+/boot/vmlinuz.*console=\S+$)' - # default_hugepagesz=1G hugepagesz=1G hugepages=8 + regexp: '(linux\s+/boot/vmlinuz.*$)' replace: '\1 default_hugepagesz={{ huge_pagesize_short[huge_pagesize_mb] }} hugepagesz={{ huge_pagesize_short[huge_pagesize_mb] }} hugepages={{ num_hugepages }}' with_items: "{{ grub_files.files }}" - - - - + # we suppose consistent /boot/grub/grub.cfg files + when: hugepage_enabled['results'][0].stdout == "" |