telegraf: add support for UBNT NanoStation

tasks/telegraf-Debian.yml

@@ -23,3 +23,15 @@
     state: latest
     update_cache: yes
     cache_valid_time: 3600
+
+# Install SNMP utilities for telegraf monitoring
+- name: telegraf - Install SNMP utilities
+  become: yes
+  apt:
+    name: "{{ packages }}"
+    state: present
+  vars:
+    packages:
+      - snmp
+      - snmp-mibs-downloader
+  when: telegraf_ubnt_ns_ips is defined

tasks/telegraf.yml

@@ -9,11 +9,34 @@
     - "telegraf-{{ ansible_distribution }}.yml"
     - "telegraf-{{ (override_os_family is defined) | ternary(override_os_family,ansible_os_family) }}.yml"
 
+# Install SNMP MIBs
+- name: telegraf - Install SNMP MIBs
+  become: yes
+  block:
+    - name: SNMP - Download and install Ubiquiti MIB
+      copy:
+        src: "{{ role_path }}/files/UBNT-MIB.txt"
+        dest: /usr/share/snmp/mibs/UBNT-MIB
+    - name: SNMP - Download and install Ubiquiti MIB
+      copy:
+        src: "{{ role_path }}/files/UBNT-AirMAX-MIB.txt"
+        dest: /usr/share/snmp/mibs/UBNT-AirMAX-MIB
+    - name: SNMP - Download and install UniFi MIB
+      copy:
+        src: "{{ role_path }}/files/UBNT-UniFi-MIB.txt"
+        dest: /usr/share/snmp/mibs/UBNT-UniFi-MIB
+    - name: SNMP - Setup snmp.conf
+      lineinfile:
+        name: /etc/snmp/snmp.conf
+        line: mibs +ALL
+        create: yes
+  when: telegraf_ubnt_ns_ips is defined
+
 # Configure
 - name: telegraf - Copy telegraf config
   become: yes
   template:
-    src: "{{ role_path }}/templates/telegraf.conf"
+    src: "{{ role_path }}/templates/telegraf.conf.j2"
     dest: /etc/telegraf/telegraf.conf
   notify:
     - Enable and restart telegraf