diff options
Diffstat (limited to 'ansible')
3 files changed, 39 insertions, 35 deletions
diff --git a/ansible/roles/enable_hugepages_on_boot/tasks/main.yml b/ansible/roles/enable_hugepages_on_boot/tasks/main.yml index 29432d2e4..75526eb19 100755 --- a/ansible/roles/enable_hugepages_on_boot/tasks/main.yml +++ b/ansible/roles/enable_hugepages_on_boot/tasks/main.yml @@ -31,34 +31,37 @@ msg: "Hugepages already set by someone else" when: is_mine_huge.stdout == "" and is_huge.stdout != "" -- name: use 16 for auto num_hugepages and 1G size - set_fact: - num_hugepages: 8 - when: num_hugepages|default("auto") == "auto" +- name: configure hugepages as idempotent block + block: + - name: use 8 for auto num_hugepages and 1G size + set_fact: + num_hugepages: 8 + when: num_hugepages|default("auto") == "auto" -- name: set hugepages in grub - lineinfile: - dest: /etc/default/grub - regexp: '{{ hugepage_param_regex }}' - line: '{{ hugepage_param }}' - state: present + - name: set hugepages in grub + lineinfile: + dest: /etc/default/grub + regexp: '{{ hugepage_param_regex }}' + line: '{{ hugepage_param }}' + state: present -- name: create hugetables mount - file: - path: "{{ hugetable_mount }}" - state: directory + - name: create hugetables mount + file: + path: "{{ hugetable_mount }}" + state: directory -- name: mount hugetlbfs - mount: - name: "{{ hugetable_mount }}" - src: nodev - fstype: hugetlbfs - state: present + - name: mount hugetlbfs + mount: + name: "{{ hugetable_mount }}" + src: nodev + fstype: hugetlbfs + state: present -- service: - name: procps - enabled: yes + - service: + name: procps + enabled: yes -- include: manual_modify_grub.yml - # only tested on Ubuntu, kernel line is probably different on other distros - when: ansible_distribution == "Ubuntu" + - include: manual_modify_grub.yml + # only tested on Ubuntu, kernel line is probably different on other distros + when: ansible_distribution == "Ubuntu" + when: is_mine_huge.stdout == "" 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 == "" diff --git a/ansible/roles/enable_hugepages_on_boot/vars/main.yml b/ansible/roles/enable_hugepages_on_boot/vars/main.yml index acdf02509..6fec347b2 100644 --- a/ansible/roles/enable_hugepages_on_boot/vars/main.yml +++ b/ansible/roles/enable_hugepages_on_boot/vars/main.yml @@ -12,7 +12,7 @@ # See the License for the specific language governing permissions and # limitations under the License. --- -hugepage_param_regex: '^GRUB_CMDLINE_LINUX="\$GRUB_CMDLINE_LINUX.*# added by hugepages role' +hugepage_param_regex: '^GRUB_CMDLINE_LINUX="\$GRUB_CMDLINE_LINUX.*" # added by hugepages role' hugepage_param: 'GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX default_hugepagesz={{ huge_pagesize_short[huge_pagesize_mb] }} hugepagesz={{ huge_pagesize_short[huge_pagesize_mb] }} hugepages={{ num_hugepages }}" # added by hugepages role' update_grub: |