support tuned in ansible-init

Author: sjpb

ansible/roles/compute_init/README.md

@@ -49,7 +49,7 @@ it also requires an image build with the role name added to the
 | bootstrap.yml            | sshd                    | None at present                 | No                  |
 | bootstrap.yml            | dnf_repos               | None at present [2]             | -                   |
 | bootstrap.yml            | squid                   | Not relevant for compute nodes  | n/a                 |
-| bootstrap.yml            | tuned                   | None                            | -                   |         
+| bootstrap.yml            | tuned                   | Fully supported                 | No                  |         
 | bootstrap.yml            | freeipa_server          | Not relevant for compute nodes  | n/a                 |
 | bootstrap.yml            | cockpit                 | None required - use image build | No                  |
 | bootstrap.yml            | firewalld               | Not relevant for compute nodes  | n/a                 |

ansible/roles/compute_init/files/compute-init.yml

@@ -9,6 +9,7 @@
     enable_compute: "{{ os_metadata.meta.compute | default(false) | bool }}"
     enable_resolv_conf: "{{ os_metadata.meta.resolv_conf | default(false) | bool }}"
     enable_etc_hosts: "{{ os_metadata.meta.etc_hosts | default(false) | bool }}"
+    enable_tuned:  "{{ os_metadata.meta.tuned | default(false) | bool }}"
     enable_nfs: "{{ os_metadata.meta.nfs | default(false) | bool }}"
     enable_manila: "{{ os_metadata.meta.manila | default(false) | bool }}"
     enable_basic_users: "{{ os_metadata.meta.basic_users | default(false) | bool }}"
@@ -17,6 +18,12 @@
     # TODO: "= role defaults" - could be moved to a vars_file: on play with similar precedence effects
     resolv_conf_nameservers: []
 
+    tuned_profile_baremetal: hpc-compute
+    tuned_profile_vm: virtual-guest
+    tuned_profile: "{{ tuned_profile_baremetal if ansible_virtualization_role != 'guest' else tuned_profile_vm }}"
+    tuned_enabled: true
+    tuned_started: true
+
     nfs_client_mnt_point: "/mnt"
     nfs_client_mnt_options:
     nfs_client_mnt_state: mounted
@@ -125,6 +132,10 @@
         mode: 0644
       when: enable_etc_hosts
 
+    - name: Configure tuned
+      include_tasks: tasks/tuned.yml
+      when: enable_tuned
+
     # NFS client mount
     - name: If nfs-clients is present
       include_tasks: tasks/nfs-clients.yml

ansible/roles/compute_init/tasks/install.yml

@@ -32,6 +32,8 @@
       dest: files/NetworkManager-dns-none.conf
     - src: ../../basic_users/filter_plugins/filter_keys.py
       dest: filter_plugins/filter_keys.py
+    - src: ../../tuned/tasks/configure.yml
+      dest: tasks/tuned.yml
     - src: ../../stackhpc.nfs/tasks/nfs-clients.yml
       dest: tasks/nfs-clients.yml