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-rwxr-xr-xansible/roles/enable_hugepages_on_boot/tasks/main.yml4
-rw-r--r--ansible/roles/enable_hugepages_on_boot/tasks/manual_modify_grub.yml35
2 files changed, 39 insertions, 0 deletions
diff --git a/ansible/roles/enable_hugepages_on_boot/tasks/main.yml b/ansible/roles/enable_hugepages_on_boot/tasks/main.yml
index 6e7657a39..14316d2d9 100755
--- a/ansible/roles/enable_hugepages_on_boot/tasks/main.yml
+++ b/ansible/roles/enable_hugepages_on_boot/tasks/main.yml
@@ -53,3 +53,7 @@
- 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"
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
new file mode 100644
index 000000000..cac10e80e
--- /dev/null
+++ b/ansible/roles/enable_hugepages_on_boot/tasks/manual_modify_grub.yml
@@ -0,0 +1,35 @@
+# Copyright (c) 2017 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+- name: find boot grub.cfg
+ find:
+ paths: /boot
+ file_type: file
+ patterns: 'grub*.cfg'
+ recurse: yes
+ register: grub_files
+
+
+- name: added 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
+ 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 }}"
+
+
+
+