added tasks for a bastion host

roles/bastion/tasks/main.yml

@@ -0,0 +1,19 @@
+# Load distro-specific variables
+- include_vars: "{{ ansible_distribution | lower }}.yml"
+  tags: always
+  ignore_errors: True
+
+- block:
+  - debug:
+      msg: Debug
+
+  # Perform remaining tasks:
+  - import_tasks: users.yml
+  - import_tasks: system_setup/openssh_hardening.yml
+  - import_tasks: system_setup/firewall.yml
+  - import_tasks: system_setup/package_hardening.yml
+  - import_tasks: system_setup/user_hardening.yml
+  - import_tasks: system_setup/aide.yml
+
+  rescue:
+    - set_fact: task_failed=true