Fix gitea admin setup, Add healthcheck

Added healthcheck to gitea database contaier.

Fixed initial admin setup checks - uses correct in-container user and
fixed fail checks.

roles/gitea/tasks/main.yml

@@ -10,6 +10,7 @@
     loop_var: distribution
   when: gitea_use_ci == True
 
+# TODO only generate when no existing (check with docker inspect?)
 - name: Generate agent key
   ansible.builtin.shell: openssl rand -hex 32
   register: gitea_woodpecker_agent_secret
@@ -105,13 +106,14 @@
 - name: Look for existing admin user
   community.docker.docker_container_exec: 
     container: "{{ gitea_app_container_name['stdout'] }}"
+    user: git
     command: >
       gitea admin user list --admin
   become: yes
-  until: "'connection refused' not in gitea_admin_list and 'Failed to run app' not in gitea_admin_list"
-  retries: 5
+  until: "'connection refused' not in gitea_admin_list['stdout'] and 'Failed to run app' not in gitea_admin_list['stdout']"
+  retries: 10
   delay: 10
-  changed_when: gitea_admin_list['stdout_lines'] | length <= 1
-  failed_when: gitea_admin_list['rc'] == 1 and gitea_admin_list['attempts'] >= 5
+  changed_when: gitea_admin_list['stdout_lines'] | length <= 1 and 'Username' in gitea_admin_list['stdout'] 
+  failed_when: (gitea_admin_list['rc'] == 1 and gitea_admin_list['attempts'] >= 5) or 'Gitea is not supposed to be run as root' in gitea_admin_list['stdout']
   register: gitea_admin_list
   notify: "no admin user"

roles/gitea/templates/docker-stack.yml.j2

@@ -47,6 +47,12 @@ services:
 
   db:
     image: postgres:13
+    healthcheck:
+      test: ["CMD", "pg_isready", "-q", "-U", "{{ gitea_db_username }}"]
+      interval: 1m
+      timeout: 10s
+      retries: 3
+      start_period: 1m
     volumes:
       - db:/var/lib/postgresql/data
     networks: