Added initial setup playbook

initial-setup.yml

@@ -0,0 +1,79 @@
+---
+- name: First setup of new VPS
+  gather_facts: false
+  port: 22
+  remote_user: root
+  hosts: 
+    - "{{ target }}"
+  vars_prompt:
+    - name: new_root_pw
+      prompt: "What should be the new root password?"
+      private: yes
+      encrypt: "sha512_crypt"
+      confirm: yes
+      salt_size: 7
+    - name: new_user_name
+      prompt: "How should the SSH login user be named?"
+      default: "ssh_login"
+      private: no
+    - name: new_user_password
+      prompt: "Password of the SSH login user"
+      private: yes
+      encrypt: "sha512_crypt"
+      confirm: yes
+      salt_size: 7
+    - name: ssh_key
+      prompt: "public SSH key file for new SSH login user"
+      private: no
+  tasks:
+    - name: update the package list
+      apt:
+        update_cache: yes
+        cache_valid_time: 3600
+    - name: upgrade a server with apt
+      apt:
+        upgrade: dist
+      register: upgrade
+    - name: updates password of root user
+      user:
+        name: root
+        password: {{ new_root_pw }}
+    - name: create ssh login user
+      user:
+        name: {{ new_user_name }}
+        password: {{ new_user_password }}
+        append: yes
+        groups:
+          - sudo
+    - name: add authorized key to SSH login user
+      authorized_key:
+        key: "{{ item }}"
+        user: "{{ new_user_name }}"
+      with_file:
+        - "{{ ssh_key }}"
+    - name: set up SSH properly
+      block:
+        - name: disable root SSH login
+          lineinfile:
+            path: /etc/ssh/sshd_config
+            line: 'PermitRootLogin no'
+            state: present
+            insertafter: EOF            
+        - name: disable password authentication
+          lineinfile:
+            path: /etc/ssh/sshd_config
+            line: 'PasswordAuthentication no'
+            state: present
+            insertafter: EOF            
+        - name: set modern host key
+          lineinfile:
+            dest: /etc/ssh/sshd_config
+            line: 'HostKey /etc/ssh/ssh_host_ed25519_key'
+            insertafter: EOF
+            state: present
+        - name: generate missing host keys
+          command: ssh-keygen -A
+        - name: restart ssh
+          service:
+            name: ssh
+            state: restarted