add docker test back

.gitlab-ci.yml

@@ -5,22 +5,32 @@ variables:
   GIT_DEPTH: "1"
 
 before_script:
-  - apt update && apt -y install python3-pip tar wget openssh-client openssh-server
+  - apt update && apt -y install python3-pip tar wget openssh-client openssh-server rsync
   - ssh-keygen -q -t rsa -N '' -f ~/.ssh/id_rsa <<<y 2>&1 >/dev/null
   - cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
-  - systemctl start sshd
   - pip3 install -U pip
   - pip install -U ansible
   - ansible --version
   - wget -O - https://minio.mycard.moe:9000/nanahira/mitogen-0.2.9.tar.gz | tar zxvf -
   - cp tests/ansible.cfg .
-  - chmod 600 ansible.cfg
+  - chmod 700 .
 
+test_in_docker:
+  stage: test
+  tags: 
+    - linux
+  image: debian:buster-slim
+  script:
+    - mkdir /run/sshd
+    - sshd
+    - ansible-playbook tests/test.yml --syntax-check
+    - ansible-playbook tests/test.yml
 
 test_in_vm:
   stage: test
   tags: 
     - vc
   script:
+    - systemctl start sshd
     - ansible-playbook tests/test.yml --syntax-check
     - ansible-playbook tests/test.yml