Gitea: run act_runner using DIND

setups/setup-runner.yml

@@ -4,4 +4,12 @@
         dest: "{{ docker_dir }}/runner/.runner"
         owner: 1000
         group: 1000
+        mode: 0755
+
+    - name: Set up Docker daemon configuration file to solve DNS problems
+      template:
+        src: "conf/daemon.json.j2"
+        dest: "{{ docker_dir }}/runner/daemon.json"
+        owner: 1000
+        group: 1000
         mode: 0755

templates/compose/runner.yaml.j2

@@ -2,28 +2,31 @@
 version: "3"
 services:
   runner:
-    image: gitea/act_runner:latest
-#    image: gitea/act_runner:latest-dind-rootless
+    image: gitea/act_runner:latest-dind-rootless
     container_name: runner
     restart: always
     privileged: true
     volumes:
       - {{ docker_dir }}/runner:/data
-      - /var/run/docker.sock:/var/run/docker.sock
+      - {{ docker_dir }}/runner/daemon.json:/home/rootless/.config/docker/daemon.json
+      - {{ docker_dir }}/runner/daemon.json:/etc/docker/daemon.json
 #    security_opt:
 #      - no-new-privileges
     environment:
       - PUID=1000
       - PGID=1000
       - TZ=Asia/Singapore
-#      - DOCKER_HOST={{ docker_host }}
+      - DOCKER_HOST={{ docker_host }}
       - GITEA_INSTANCE_URL=https://git.opnxng.com
-      - GITEA_RUNNER_REGISTRATION_TOKEN="{{ gitea_runner_registration_token }}"
       - GITEA_RUNNER_NAME=runner
+      - GITEA_RUNNER_REGISTRATION_TOKEN="{{ gitea_runner_registration_token }}"
       - GITEA_RUNNER_LABELS=ubuntu-latest:docker://node:16-bullseye,ubuntu-22.04:docker://node:16-bullseye,ubuntu-20.04:docker://node:16-bullseye,ubuntu-18.04:docker://node:16-buster,runner:host
     networks:
       - IPv4
 networks:
   IPv4:
     external:
-      name: IPv4
+      name: IPv4
+
+# DinD containers cannot resolve *.github.com unless daemon.json is mounted
+# https://gitea.com/gitea/act_runner/issues/381#issuecomment-755182

vars/services.yml

@@ -1,10 +1,10 @@
 setup:
-  oracle4:
-    - caddy
+  oracle3:
+    - runner
 
 compose:
-  oracle4:
-    - caddy
+  oracle3:
+    - runner
 
 # ----------------------------------------------------------------------------------------------------