feat: add proxy url

README.md

@@ -55,6 +55,14 @@ Install and configure Telegraf
     files: ['stdout', '/tmp/metrics.out']
 ```
 
+* `telegraf_proxy_url` - set a proxy url for http and https requests
+* `telegraf_proxy_ignore` - array with ignore host or subnet
+
+```
+  - localhost
+  - 10.0.0.0/8
+```
+
 ## How to use
 
 ```

defaults/main.yml

@@ -15,3 +15,4 @@ telegraf_config: {}
 telegraf_full_config: '{{ telegraf_default_config|combine(telegraf_config) }}'
 telegraf_inputs: {}
 telegraf_outputs: {}
+telegraf_proxy_ignore: []

molecule/default/converge.yml

@@ -13,6 +13,7 @@
         totalcpu: true
         collect_cpu_time: false
         report_active: false
+    telegraf_proxy_url: http://127.0.0.1:3128
 
   pre_tasks:
     - name: update apt cache

molecule/default/tests/test_default.py

@@ -14,6 +14,15 @@ def test_config_file(host):
   assert path.mode == 0o640
   assert path.contains('files = \\["stdout", "/tmp/metrics.out"\\]')
 
+def test_config_file(host):
+  path = host.file('/etc/default/telegraf')
+  assert path.exists
+  assert path.is_file
+  assert path.user == 'root'
+  assert path.group == 'root'
+  assert path.mode == 0o644
+  assert path.contains('https_proxy=http://127.0.0.1:3128')
+
 def test_service(host):
   service = host.service('telegraf')
   assert service.is_running

tasks/main.yml

@@ -23,6 +23,16 @@
       - telegraf
   tags: telegraf
 
+- name: copy default variables file
+  ansible.builtin.template:
+    src: default.j2
+    dest: /etc/default/telegraf
+    owner: root
+    group: root
+    mode: 0644
+  notify: restart telegraf
+  tags: telegraf
+
 - name: copy config file
   ansible.builtin.template:
     src: telegraf.conf.j2

templates/default.j2

@@ -0,0 +1,7 @@
+# {{ ansible_managed }}
+
+{% if telegraf_proxy_url is defined %}
+https_proxy={{ telegraf_proxy_url }}
+http_proxy={{ telegraf_proxy_url }}
+no_proxy={{ telegraf_proxy_ignore|join(',') }}
+{% endif %}