test: replace kitchen to molecule

molecule/default/converge.yml

@@ -0,0 +1,20 @@
+---
+- name: Converge
+  hosts: all
+  roles:
+    - ansible-role-filebeat
+  vars:
+    filebeat_config:
+      filebeat.inputs:
+        - type: log
+          paths:
+            - /var/log/messages
+            - /var/log/*.log
+      output.file:
+        path: "/tmp/filebeat"
+        filename: filebeat
+
+  pre_tasks:
+    - name: update apt cache
+      ansible.builtin.apt:
+        update_cache: true

molecule/default/molecule.yml

@@ -0,0 +1,26 @@
+---
+driver:
+  name: docker
+platforms:
+  - name: debian10
+    image: nishiki/debian10:molecule
+    privileged: true
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    command: /bin/systemd
+    capabilities:
+      - SYS_ADMIN
+  - name: debian11
+    image: nishiki/debian11:molecule
+    privileged: true
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    command: /bin/systemd
+    capabilities:
+      - SYS_ADMIN
+lint: |
+  set -e
+  yamllint .
+  ansible-lint .
+verifier:
+  name: testinfra

molecule/default/tests/test_default.py

@@ -0,0 +1,26 @@
+import testinfra.utils.ansible_runner
+import time
+
+def test_packages(host):
+  package = host.package('filebeat')
+  assert package.is_installed
+
+def test_config_file(host):
+  path = host.file('/etc/filebeat/filebeat.yml')
+  assert path.exists
+  assert path.is_file
+  assert path.user == 'root'
+  assert path.group == 'root'
+  assert path.mode == 0o644
+
+def test_service(host):
+  service = host.service('filebeat')
+  assert service.is_running
+  assert service.is_enabled
+ 
+def test_output(host):
+  time.sleep(15)
+  path = host.file('/tmp/filebeat/filebeat')
+  assert path.exists
+  assert path.is_file
+  assert path.contains('@timestamp')