Telegraf monitoring for Karaage (hpc.erc.monash.edu.au)

roles/telegraf/files/hw_counters.fact → roles/telegraf/files/hw_counters.py

-#!/bin/env python
+#!/bin/python -E
 
 import json
 import os
 
+
 def render_data(data):
     return json.dumps(data)
 
+
 hw_counters = {}
 path_prefix = '/sys/class/infiniband'
 path_suffix = 'ports/1/hw_counters'

roles/telegraf/tasks/main.yml

@@ -8,7 +8,7 @@
 
 - name: Download Telegraf package via URL [Debian/Ubuntu]
   get_url:
-    url: "{{ telegraf_install_url }}"
+    url: "{{ telegraf_install_deb_url }}"
     dest: /tmp/telegraf-ansible-download.deb
   when: ansible_os_family == "Debian"
   become: true
@@ -22,21 +22,14 @@
   become: true
   become_user: root
 
-- name: Create custom fact directory
-  file:
-    path: /etc/ansible/facts.d
-    state: directory
-  become: true
-
-- name: Insert custom fact file
-  copy:
-    src: files/hw_counters.fact
-    dest: /etc/ansible/facts.d/hw_counters.fact
-    mode: 0755
-  become: true
+- name: Get list of hardware counters for interfaces
+  script: files/hw_counters.py
+  register: hwcounters
+  check_mode: no
 
-- name: reload ansible_local
-  setup: filter=ansible_local
+- name: Set hardware counters in facts
+  set_fact:
+    hwcounterlist: "{{ hwcounters.stdout | from_json }}"
 
 - name: Make a directory for extra files
   file:

roles/telegraf/templates/telegraf.conf.j2

@@ -201,6 +201,30 @@
   {% endfor %}
 {% endfor %}
 {% endif %}
+
+
+{% if 'Karaage' in group_names %}
+[[inputs.apache]]
+  interval = "60s"
+  # An array of URLs to gather from, must be directed at the machine
+  # readable version of the mod_status page including the auto query string.
+  # Default is "http://localhost/server-status?auto".
+  urls = ["http://localhost/server-status?auto"]
+
+  # Credentials for basic HTTP authentication.
+  # username = "myuser"
+  # password = "mypassword"
+
+  # Maximum time to receive response.
+  response_timeout = "5s"
+
+  # Optional TLS Config
+  # tls_ca = "/etc/telegraf/ca.pem"
+  # tls_cert = "/etc/telegraf/cert.pem"
+  # tls_key = "/etc/telegraf/key.pem"
+  # Use TLS but skip chain & host verification
+  # insecure_skip_verify = false
+{% endif %}
 ###############################################################################
 #                              SERVICE INPUTS                                 #
 ###############################################################################