docker-cleanup: Add role to prune old images

camo.yml

@@ -21,6 +21,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - traefik
     - camo
   environment:

codimd.yml

@@ -20,6 +20,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - traefik
     - codimd
   environment:

docker-ipv6-nat.yml

@@ -20,6 +20,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - docker-ipv6-nat
   environment:
     PYTHONPATH: /opt/python2/ansible-dependencies/lib/python2.7/site-packages

gitlab-runner.yml

@@ -21,6 +21,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - gitlab-runner
   environment:
     PYTHONPATH: /opt/python2/ansible-dependencies/lib/python2.7/site-packages

gitlab.yml

@@ -21,6 +21,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - traefik
     - gitlab
   environment:

keycloak.yml

@@ -21,6 +21,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - traefik
     - keycloak
   environment:

mastodon.yml

@@ -21,6 +21,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - traefik
     - mastodon
   environment:

minecraft-blockmap.yml

@@ -20,6 +20,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - traefik
     - minecraft-blockmap
   environment:

minecraft.yml

@@ -21,6 +21,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - minecraft
   environment:
     PYTHONPATH: /opt/python2/ansible-dependencies/lib/python2.7/site-packages

minio.yml

@@ -21,6 +21,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - traefik
     - minio
   environment:

monitoring.yml

@@ -21,6 +21,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - traefik
     - monitoring
   environment:
@@ -30,6 +31,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - telegraf
   environment:
     PYTHONPATH: /opt/python2/ansible-dependencies/lib/python2.7/site-packages

roles/docker-cleanup/README.md

@@ -0,0 +1,24 @@
+docker-cleanup
+=========
+
+This will prune unused docker images older than 3 days, to keep the system clean.
+
+Requirements
+------------
+
+You will need to have docker installed with its python package to use this role.
+
+Role Variables
+--------------
+
+None
+
+Dependencies
+------------
+
+- docker
+
+License
+-------
+
+GPL-3.0-only

roles/docker-cleanup/meta/main.yml

@@ -0,0 +1,15 @@
+galaxy_info:
+  author: Christoph Kern
+  description: Cleans up the exsting docker install
+  license: GPL-3.0-only
+
+  min_ansible_version: 2.4
+
+  platforms:
+    - name: CentOS
+      versions:
+        - 7
+
+  galaxy_tags: []
+
+dependencies: []

roles/docker-cleanup/tasks/main.yml

@@ -0,0 +1,25 @@
+---
+
+# Infrastructure
+# Ansible instructions to deploy the infrastructure
+# Copyright (C) 2019-2020  Christoph (Sheogorath) Kern
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, version 3 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+- name: Prune docker images older than 3 days
+  docker_prune:
+    images: yes
+    images_filters:
+      dangling: false
+      until: 72h
+  become: true

static_websites.yml

@@ -22,6 +22,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - traefik
     - static_websites
   environment:

teamspeak.yml

@@ -20,6 +20,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - teamspeak
   environment:
     PYTHONPATH: /opt/python2/ansible-dependencies/lib/python2.7/site-packages

unicorns_website.yml

@@ -20,6 +20,7 @@
   roles:
     - docker
     - docker-compose
+    - docker-cleanup
     - traefik
   environment:
     PYTHONPATH: /opt/python2/ansible-dependencies/lib/python2.7/site-packages