4 files changed, 111 insertions, 0 deletions
diff --git a/playbooks/roles/common/files/authorized_keys b/playbooks/roles/common/files/authorized_keys
new file mode 100644
index 0000000..6d49a82
--- /dev/null
+++ b/playbooks/roles/common/files/authorized_keys
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPnLAE5TrdYF8QWCSkvgUp15XKcwQJ9393a/CghSo8dG serve@ansible
diff --git a/playbooks/roles/common/files/sshd_config b/playbooks/roles/common/files/sshd_config
new file mode 100644
index 0000000..239a0c0
--- /dev/null
+++ b/playbooks/roles/common/files/sshd_config
@@ -0,0 +1,21 @@
+Include /etc/ssh/sshd_config.d/*.conf
+
+Port 22
+PermitRootLogin no
+PubkeyAuthentication yes
+PasswordAuthentication no
+
+KbdInteractiveAuthentication no
+
+UsePAM yes
+
+AllowAgentForwarding yes
+X11Forwarding no
+PrintMotd no
+PrintLastLog yes
+TCPKeepAlive yes
+ClientAliveInterval 300
+ClientAliveCountMax 1
+
+AcceptEnv LANG LC_*
+Subsystem	sftp	/usr/lib/openssh/sftp-server
diff --git a/playbooks/roles/common/handlers/main.yml b/playbooks/roles/common/handlers/main.yml
new file mode 100644
index 0000000..015db8b
--- /dev/null
+++ b/playbooks/roles/common/handlers/main.yml
@@ -0,0 +1,23 @@
+---
+
+- name: Enable systemd-timesyncd
+  ansible.builtin.service:
+    name: systemd-timesyncd
+    state: restarted
+    enabled: true
+
+- name: Restart sshd
+  ansible.builtin.service:
+    name: sshd
+    state: restarted
+    enabled: true
+
+- name: Enable ufw
+  ansible.builtin.service:
+    name: ufw
+    enabled: true
+
+- name: Reload ufw
+  ansible.builtin.service:
+    name: ufw
+    state: restarted
diff --git a/playbooks/roles/common/tasks/main.yml b/playbooks/roles/common/tasks/main.yml
new file mode 100644
index 0000000..446db35
--- /dev/null
+++ b/playbooks/roles/common/tasks/main.yml
@@ -0,0 +1,66 @@
+---
+
+### Rly base stuff
+
+- name: Apt upgrade, update
+  ansible.builtin.apt:
+    update_cache: true
+    upgrade: "dist"
+
+- name: Install dependencies
+  ansible.builtin.apt:
+    name:
+      - apt-transport-https
+      - ca-certificates
+      - curl
+      - gnupg-agent
+      - software-properties-common
+      - vim
+      - git
+      - rsync
+    state: latest
+    update_cache: true
+
+### Time
+
+- name: Timesyncd
+  ansible.builtin.apt:
+    name:
+      - systemd-timesyncd
+  notify:
+    - Enable systemd-timesyncd
+
+### SSH
+
+- name: Copy sshd_config
+  ansible.builtin.copy:
+    src: files/sshd_config
+    dest: /etc/ssh/sshd_config
+    owner: root
+    group: root
+    mode: u=rw,g=r,o=r
+  notify:
+    - Restart sshd
+
+- name: Copy authorized_keys
+  ansible.builtin.copy:
+    src: files/authorized_keys
+    dest: /home/{{ ansible_user }}/.ssh/authorized_keys
+
+### UFW
+
+- name: Install ufw
+  ansible.builtin.apt:
+    name: ufw
+    state: present
+
+- name: Allow ssh from rfc1918 networks
+  loop: "{{ rfc1918_cgnat_networks }}"
+  community.general.ufw:
+    rule: allow
+    name: "OpenSSH"
+    from: "{{ item }}"
+    state: "enabled"
+  notify:
+    - Enable ufw
+    - Reload ufw