fix: increase restart interval for systemd-resolved

Author: darora

ansible/files/systemd-resolved.conf

@@ -0,0 +1,8 @@
+# the default is RestartSec=0. If the service fails to start because
+# of a systemic issue (e.g. rare case when disk is full) it will
+# quickly hit the burst limit (default of 5 failures within 10secs)
+# and thereafter be placed in a failed state. By increasing the
+# restart interval, we avoid that, and ensure that the service will be
+# started back up once any underlying issues are resolved.
+[Service]
+RestartSec=3

ansible/tasks/setup-system.yml

@@ -72,6 +72,19 @@
     - update
     - update-only
 
+- name: create overrides dir
+  file:
+    state: directory
+    owner: root
+    group: root
+    path: /etc/systemd/system/systemd-resolved.service.d
+    mode: '0700'
+
+- name: Custom systemd overrides for resolved
+  copy:
+    src: files/systemd-resolved.conf
+    dest: /etc/systemd/system/systemd-resolved.service.d/override.conf
+
 - name: System - Create services.slice
   template:
     src: files/services.slice.j2

common.vars.pkr.hcl

@@ -1 +1 @@
-postgres-version = "15.1.0.115"
+postgres-version = "15.1.0.116"