do traefik for ansible

README.md

@@ -0,0 +1 @@
+# traefik

defaults/main.yml

@@ -0,0 +1,17 @@
+path: /srv/{{ role_name }}
+
+traefik_override: {}
+traefik_defaults:
+  expose_additional_ports: [] # 22 and 2022 will activate ssh
+  include_external_services:
+    config.yml.j2:
+
+
+  main_domain: ""
+  arpa_top_level: ""
+  http_port: ""
+  https_port: ""
+
+  hetzner_api_token: ""
+  duckdns_api_token: ""
+  basic_auth_password: ""

handlers/main.yml

@@ -0,0 +1,9 @@
+- name: restart container
+  community.docker.docker_compose_v2:
+    project_src: "{{ path }}"
+    project_name: "{{ role_name }}"
+    recreate: "always"
+    services: ["traefik"]
+    state: "restarted"
+  when: not _traefik_already_restarted
+

meta/main.yml

@@ -0,0 +1,17 @@
+---
+galaxy_info:
+  author: "Niklas Freese <niklas@urmel.de>"
+  description: traefik
+  company: "Urmel Services"
+  license: AGPL-3.0-or-later
+  min_ansible_version: 2.1
+  # If this a Container Enabled role, provide the minimum Ansible Container version.
+  # min_ansible_container_version:
+
+  galaxy_tags: []
+    # List tags for your role here, one per line. A tag is a keyword that describes
+    # and categorizes the role. Users find roles by searching for tags. Be sure to
+    # remove the '[]' above, if you add tags to this list.
+    #
+    # NOTE: A tag is limited to a single word comprised of alphanumeric characters.
+    #       Maximum 20 tags per role.

tasks/main.yml

@@ -0,0 +1,47 @@
+---
+- name: "set local variables from overrides and defaults"
+  set_fact:
+    traefik: "{{ (traefik_defaults | combine(traefik_override, recursive=True)) if traefik_override else traefik_defaults }}"
+
+- name: "Set arpa domain"
+  set_fact:
+    arpa_top_level: "{{ traefik.arpa_top_level | default(traefik.main_domain.split('.')[-2:] | join('.'), true) }}"
+
+- name: ensure that path exists
+  file:
+    path: "{{ path }}/config/file_provider"
+    state: directory
+
+- name: ensure that data exists
+  file:
+    path: "{{ path }}/data"
+    state: directory
+
+- name: template docker-compose
+  template:
+    src: compose.yml.j2
+    dest: "{{ path }}/compose.yml"
+
+- name: template traefik.yml
+  template:
+    src: traefik.yml.j2
+    dest: "{{ path }}/config/traefik.yml"
+
+- name: Populate templates
+  template:
+    src: "configs/{{ item.path }}"
+    dest: "{{ path }}/config/file_provider/{{ item.path | regex_replace('\\.j2$', '') }}"
+  with_filetree: "{{ role_path }}/templates/configs"
+  when:
+    - item.state == "file"
+    - item.path | regex_replace('\\.yml\\.j2$', '') | basename in traefik.include_external_services.keys()
+
+- name: ensure container is running
+  community.docker.docker_compose_v2:
+    project_src: "{{ path }}"
+    project_name: "{{ role_name }}"
+    state: "present"
+    pull: "always"
+    wait: true
+    services: ["traefik"]
+  register: _compose_result

templates/compose.yml.j2

@@ -1,5 +1,3 @@
-version: '3'
-
 services:
   traefik:
     image: traefik:v3.6.7
@@ -10,33 +8,36 @@ services:
     networks:
       - exposed
     ports:
-      - 80:80
-      - 443:443
-      - 2022:2022
+      - {{ traefik.http_port }}:{{ traefik.http_port }}
+
+      - {{ traefik.https_port }}:{{ traefik.https_port }}
+      {% for port in traefik.expose_additional_ports %}
+      - "{{ port }}"
+      {% endfor %}
+
     environment:
-      - HETZNER_API_TOKEN=${HETZNER_API_TOKEN}
-      - DUCKDNS_TOKEN=${DUCKDNS_TOKEN}
-      - AUTH_STRING=${AUTH_STRING}
+      - HETZNER_API_TOKEN={{ traefik.hetzner_api_token }}
+      {% if traefik.duckdns_api_token %}
+      - DUCKDNS_TOKEN={{ traefik.duckdns_api_token }}
+      {%- endif -%}
+      - AUTH_STRING={{ traefik.basic_auth_password }}
       - DUCKDNS_POLLING_INTERVAL=5
       - DUCKDNS_PROPAGATION_TIMEOUT=120
     volumes:
       - /etc/localtime:/etc/localtime:ro
       - /var/run/docker.sock:/var/run/docker.sock:ro
-      - ${PROJECT_PATH-$PWD}/traefik.yml:/traefik.yml:ro
-      - ${PROJECT_PATH-$PWD}/config:/config:ro
-      - traefik-certs:/certs
+      - ./config/traefik.yml:/traefik.yml:ro
+      - ./config/file_provider:/config:ro
+      - ./data/certs:/certs
     labels:
       traefik.enable: true
 
       traefik.http.routers.traefik-dashboard.entrypoints: https
-      traefik.http.routers.traefik-dashboard.rule: Host(`traefik.arpa.urmel.de`)
+      traefik.http.routers.traefik-dashboard.rule: Host(`traefik.arpa.{{ arpa_top_level }}`)
       traefik.http.routers.traefik-dashboard.tls: "true"
       traefik.http.routers.traefik-dashboard.tls.certresolver: hetzner
       traefik.http.routers.traefik-dashboard.service: api@internal
-      traefik.http.routers.traefik-dashboard.middlewares: local-only@file, traefik-auth@file
-
-volumes:
-  traefik-certs:
+      traefik.http.routers.traefik-dashboard.middlewares: local-only@file
 
 networks:
   exposed:

templates/configs/config.yml.j2

@@ -2,19 +2,20 @@ http:
   routers:
     traefik-secure:
       service: noop@internal
-      rule: Host(`urmel.de`)
+      rule: Host(`{{ traefik.main_domain }}`)
       entryPoints:
         - https
         - http
       tls:
         certResolver: hetzner
         domains:
-          - main: "arpa.urmel.de"
+          - main: "arpa.{{ arpa_top_level }}"
             sans:
-              - "*.arpa.urmel.de"
-          - main: "urmel.de"
+              - "*.arpa.{{ arpa_top_level }}"
+          - main: "{{ traefik.main_domain }}"
             sans:
-              - "*.urmel.de"
+              - "*.{{ traefik.main_domain }}"
+    {% if traefik.duckdns_api_token -%}
     forward-duckdns:
       service: noop@internal
       rule: HostRegexp(`(.+\.)?urmel\.duckdns\.org`)
@@ -29,21 +30,27 @@ http:
       entryPoints:
         - https
         - http
+    {%- endif %}
 
   middlewares:
     traefik-auth:
       basicauth:
-        users: '{{ env "AUTH_STRING" }}'
+        users: '{% raw %}{{ env "AUTH_STRING" }}{% endraw %}'
+
+    {% if traefik.duckdns_api_token %}
     redirect-duckdns:
       redirectRegex:
         regex: "^http(s?)://(.+\\.)?urmel\\.duckdns\\.org(:[0-9]+)?(/.*$|$)"
         replacement: "http${1}://${2}urmel.de${3}${4}"
+    {% endif %}
+
     local-only:
       ipAllowList:
         sourceRange:
           - "10.0.0.0/8"
           - "172.16.0.0/12"
-          - "168.168.0.0/16"
+          - "192.168.0.0/16"
+
     secure-only:
       ipAllowList:
           sourceRange:

templates/configs/homeassistant.yml.j2

@@ -2,7 +2,7 @@ http:
   routers:
     homeassistant:
       service: homeassistant
-      rule: Host(`home.urmel.de`)
+      rule: Host(`home.{{ traefik.main_domain }}`)
       priority: 10
       entryPoints:
         - https
@@ -15,11 +15,11 @@ http:
     homeassistant:
       loadbalancer:
         servers:
-          - url: "http://172.24.2.4:8123"
+          - url: "http://{{ traefik.include_external_services.homeassistant.url }}:8123"
         passHostHeader: true
   middlewares:
     homeassistant-headers:
       headers:
         customResponseHeaders:
-          X-Frame-Options: "ALLOW-FROM *.urmel.de"
-          Content-Security-Policy: "frame-ancestors *.urmel.de"
+          X-Frame-Options: "ALLOW-FROM *.{{ traefik.main_domain }}"
+          Content-Security-Policy: "frame-ancestors *.{{ traefik.main_domain }}"

templates/traefik.yml.j2

@@ -4,7 +4,7 @@ api:
 entryPoints:
   http:
     asDefault: true
-    address: ":80"
+    address: ":{{ traefik.http_port }}"
     http:
       redirections:
         entryPoint:
@@ -12,9 +12,11 @@ entryPoints:
           scheme: https
   https:
     asDefault: true
-    address: ":443"
+    address: ":{{ traefik.https_port }}"
+  {% if 2022 in traefik.expose_additional_ports -%}
   public_ssh:
     address: ":2022"
+  {% endif -%}
 serversTransport:
   insecureSkipVerify: true
 providers:
@@ -35,6 +37,7 @@ certificatesResolvers:
         provider: "hetzner"
         resolvers:
             - "hydrogen.ns.hetzner.com"
+  {% if traefik.duckdns_api_token -%}
   duckdns:
     acme:
       email: nikl.free44@gmail.com
@@ -49,3 +52,4 @@ certificatesResolvers:
         resolvers:
             - "8.8.8.8:53"
             - "1.1.1.1:53"
+  {%- endif %}