Merge branch 'oomd-config' into 'master'

Install OOM configuration

See merge request !491

roles/common/files/oomd-override_-.slice.conf

+[Slice]
+ManagedOOMSwap=kill

roles/common/files/oomd-override_user@.service.conf

+[Service]
+ManagedOOMMemoryPressure=kill
+ManagedOOMMemoryPressureLimit=60%

roles/common/tasks/main.yml

@@ -103,6 +103,20 @@
   command: systemd-tmpfiles --create
   when: zramtmpfiles.changed
 
+- name: create drop-in directories for oomd
+  file: path=/etc/systemd/system/{{ item }}.d state=directory owner=root group=root mode=0755
+  with_items:
+    - "-.slice"
+    - user@.service
+
+- name: install drop-in snippets for oomd
+  copy: src=oomd-override_{{ item }}.conf dest=/etc/systemd/system/{{ item }}.d/override.conf owner=root group=root mode=0644
+  with_items:
+    - "-.slice"
+    - user@.service
+  notify:
+    - systemd daemon-reload
+
 - name: start systemd-oomd
   service: name=systemd-oomd state=started enabled=yes
 

roles/loki/files/loki-override.conf

+[Service]
+MemoryHigh=5.5G
+MemoryMax=6G
+ManagedOOMMemoryPressure=kill
+ManagedOOMMemoryPressureLimit=60%

roles/loki/tasks/main.yml

@@ -17,5 +17,11 @@
 - name: open firewall hole
   ansible.posix.firewalld: service=http zone=wireguard permanent=true state=enabled immediate=yes
 
+- name: create drop-in directory for loki
+  file: path=/etc/systemd/system/loki.service.d state=directory owner=root group=root mode=0755
+
+- name: install drop-in snippet for loki
+  copy: src=loki-override.conf dest=/etc/systemd/system/loki.service.d/override.conf owner=root group=root mode=0644
+
 - name: start and enable loki
   systemd: name=loki.service enabled=yes daemon_reload=yes state=started