Add docker_log monitoring to telegraf

_ansible/inventory/group_vars/all/compose_defaults.yml

@@ -25,3 +25,9 @@ compose_file_volumes:
   services:
     app:
       volumes: "{{ compose.volumes }}"
+
+compose_file_monitoring_label:
+  services:
+    app:
+      labels:
+        com.influxdata.telegraf.enable: true

_ansible/roles/acme-dns/vars/main.yml

@@ -15,6 +15,7 @@ svc:
 
 compose:
   watchtower: true
+  monitoring: true
   image: joohoi/acme-dns
   volumes:
     - ./config:/etc/acme-dns:ro

_ansible/roles/coder/vars/main.yml

@@ -26,7 +26,10 @@ compose:
   watchtower: true
   image: ghcr.io/coder/coder:latest
   env: true
-  group_add:
-  - "972" # docker group on host
   volumes:
   - /var/run/docker.sock:/var/run/docker.sock
+  file:
+    services:
+      app:
+        group_add:
+        - "972" # docker group on host

_ansible/roles/telegraf/templates/telegraf.conf.j2

@@ -30,3 +30,11 @@
   ignored_databases = ["postgres", "template0", "template1"]
   prepared_statements = true
 
+[[inputs.docker_log]]
+  endpoint = "{{ svc.docker_log.endpoint }}"
+
+  docker_label_include = [
+    "com.influxdata.telegraf.enable"
+  ]
+
+  source_tag = {{ svc.docker_log.source_tag|lower }}

_ansible/roles/telegraf/vars/main.yml

@@ -18,12 +18,38 @@ svc:
     host: "{{ postgres.host }}"
     port: "{{ postgres.port }}"
     database: "telegraf"
+  docker_log:
+    endpoint: "unix:///var/run/docker.sock"
+    # from_beginning: false
+    # timeout: "5s"
+
+    # container_name_include: []
+    # container_name_exclude: []
+
+    # docker_label_include: []
+    # docker_label_exclude: []
+
+    ## Set the source tag for the metrics to the container ID hostname, eg first 12 chars
+    source_tag: false
+
+    ## 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
 
 compose:
   watchtower: false
   image: telegraf:1.28
   volumes:
+    - /var/run/docker.sock:/var/run/docker.sock
     - ./telegraf.conf:/etc/telegraf/telegraf.conf:ro
   file:
+    services:
+      app:
+        user: telegraf
+        group_add:
+        - "972" # docker group on host
     volumes:
       data:

_ansible/roles/tinytinyrss/vars/main.yml

@@ -26,10 +26,10 @@ compose:
     - app:/var/www/html:ro
     - ./nginx.conf:/etc/nginx/nginx.conf
   file:
+    services:
       app:
         depends_on:
           - tt-rss
-    services:
       tt-rss:
         image: cthulhoo/ttrss-fpm-pgsql-static
         restart: always

_ansible/templates/docker-compose.yml.j2

@@ -9,4 +9,8 @@
     {%- set compose_file = compose_file | combine(compose_file_volumes, recursive=True) -%}
 {%- endif -%}
 
+{%- if compose.monitoring | default(False) -%}
+    {%- set compose_file = compose_file | combine(compose_file_monitoring_label, recursive=True) -%}
+{%- endif -%}
+
 {{ compose_file | to_nice_yaml }}

backup/Dockerfile

@@ -1,6 +1,3 @@
-FROM ubuntu
+FROM restic/restic
 
-ENV DEBIAN_FRONTEND=noninteractive
-
-RUN apt update -y \
-	&& apt install -y curl restic
+RUN apk add curl