added systemd-limits for telegraf

roles/server/defaults/main.yml

@@ -0,0 +1,3 @@
+telegraf_memory_high: "120M"
+telegraf_memory_max: "150M"
+telegraf_memory_swap_max: "0"

roles/server/handlers/main.yml

@@ -1,9 +1,13 @@
+- name: reload_systemd
+  systemd:
+    daemon_reload: yes
+
 - name: restart_snmpd
-  service:
+  ansible.builtin.service:
     name: "snmpd"
     state: restarted
 
 - name: restart_telegraf
-  service:
+  ansible.builtin.service:
     name: "telegraf"
     state: restarted

roles/server/tasks/utilities/telegraf.yml

@@ -33,4 +33,19 @@
     - "telegraf.d/*.conf"
   notify: restart_telegraf
 
+- name: server | telegraf | create systemd override directory for telegraf
+  ansible.builtin.file:
+    path: /etc/systemd/system/telegraf.service.d
+    state: directory
+    mode: '0755'
+
+- name: server | telegraf | define systemd-limits
+  ansible.builtin.template:
+    src: telegraf-override.j2
+    dest: /etc/systemd/system/telegraf.service.d/override.conf
+  notify:
+    - reload_systemd
+    - restart_telegraf
+
+