Optionally create docker network for healthchecks/gatus

host_vars/oci0.yaml

@@ -0,0 +1,2 @@
+---
+gatus_healthchecks_url: "http://{{ oci1_ip_tailscale }}"

host_vars/oci1.yaml

@@ -0,0 +1,4 @@
+---
+healthchecks_network: monitor
+gatus_healthchecks_network: monitor
+gatus_healthchecks_url: "http://healthchecks"

main.yaml

@@ -171,14 +171,14 @@
       tags: never, init
     - role: tailscale
       tags: tailscale
+    - role: healthchecks
+      tags: healthchecks
     - role: gatus
       tags: gatus
     - role: glances
       tags: glances
     - role: dashdot
       tags: dashdot
-    - role: healthchecks
-      tags: healthchecks
 
 - name: Setup ampere
   hosts: ampere

roles/gatus/tasks/main.yaml

@@ -8,8 +8,8 @@
     - "{{ service_path }}"
 
 - name: Create compose file
-  ansible.builtin.copy:
-    src: "files/compose.yaml"
+  ansible.builtin.template:
+    src: "templates/compose.yaml.j2"
     dest: "{{ service_path }}/compose.yaml"
     mode: "0640"
   notify: "Recreate {{ service_name }}"

roles/gatus/templates/compose.yaml.j2

@@ -0,0 +1,20 @@
+---
+services:
+  gatus:
+    image: ghcr.io/twin/gatus:v5.5.1
+    container_name: gatus
+{% if gatus_healthchecks_network is defined %}
+    networks:
+      - {{ gatus_healthchecks_network }}
+{% endif %}
+    ports:
+      - 8080:8080
+    volumes:
+      - ./config.yaml:/config/config.yaml
+    restart: unless-stopped
+
+{% if gatus_healthchecks_network is defined %}
+networks:
+  {{ gatus_healthchecks_network }}:
+    external: true
+{% endif %}

roles/gatus/templates/config.yaml.j2

@@ -51,7 +51,7 @@ endpoints:
 {% endfor %}
 {% for endpoint in gatus_healthcheck_endpoints %}
   - name: {{ endpoint.name }}
-    url: "{{ endpoint.url }}"
+    url: "{{ gatus_healthchecks_url }}:8000/api/v3/checks/{{ endpoint.uuid }}"
     headers:
       X-Api-Key: {{ healthchecks_api_key }}
     interval: 15m

roles/healthchecks/templates/compose.yaml.j2

@@ -3,6 +3,10 @@ services:
   healthchecks:
     image: docker.io/healthchecks/healthchecks:v2.10
     container_name: healthchecks
+{% if healthchecks_network is defined %}
+    networks:
+      - {{ healthchecks_network }}
+{% endif %}
     ports:
       - 8000:8000
     environment:
@@ -14,3 +18,10 @@ services:
       - ./data:/data
       - ./uwsgi.ini:/opt/healthchecks/docker/uwsgi.ini:ro
     restart: unless-stopped
+
+{% if healthchecks_network is defined %}
+networks:
+  {{ healthchecks_network }}:
+    name: {{ healthchecks_network }}
+    driver: bridge
+{% endif %}