Add telegraf

And input to ping and output via prometheus

ansible/roles/forrest/tasks/main.yml

@@ -6,3 +6,6 @@
 
 - name: Prometheus
   include: prometheus.yml
+
+- name: Telegraf
+  include: telegraf.yml

ansible/roles/forrest/tasks/prometheus.yml

@@ -10,6 +10,15 @@
     mode: "{{ docker_compose_directory_mask }}"
   become: true
 
+- name: Install prometheus config
+  template:
+    src: files/prometheus.yml
+    dest: /opt/prometheus/prometheus.yml
+    mode: "{{ docker_compose_file_mask }}"
+    owner: "{{ docker_user.name }}"
+  notify: restart prometheus
+  become: true
+
 - name: Install prometheus compose file
   template:
     src: files/docker-compose-prometheus.yml

ansible/roles/forrest/tasks/telegraf.yml

@@ -0,0 +1,26 @@
+- name: Create telegraf install directory
+  file:
+    path: /opt/telegraf
+    state: directory
+    owner: "{{ docker_user.name }}"
+    mode: "{{ docker_compose_directory_mask }}"
+  become: true
+
+- name: Install telegraf config
+  template:
+    src: files/telegraf.conf
+    dest: /opt/telegraf/telegraf.conf
+    mode: "{{ docker_compose_file_mask }}"
+    owner: "{{ docker_user.name }}"
+  notify: restart telegraf
+  become: true
+
+- name: Install telegraf compose file
+  template:
+    src: files/docker-compose-telegraf.yml
+    dest: /opt/telegraf/docker-compose.yml
+    mode: "{{ docker_compose_file_mask }}"
+    owner: "{{ docker_user.name }}"
+    validate: docker-compose -f %s config
+  notify: restart telegraf
+  become: true