From 8e5c279f7cecf29589835e74602155b9afc430d8 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Wed, 15 Jun 2022 19:35:36 +0200
Subject: add simple handling for nftable rulesets in base role

---
 roles/core/ntp/tasks/Debian_systemd-timesyncd.yml |  6 ++++++
 roles/network/nftables/base/defaults/main.yml     | 11 +++++++++++
 roles/network/nftables/base/tasks/main.yml        | 12 ++++++++++++
 3 files changed, 29 insertions(+)
 create mode 100644 roles/network/nftables/base/defaults/main.yml

(limited to 'roles')

diff --git a/roles/core/ntp/tasks/Debian_systemd-timesyncd.yml b/roles/core/ntp/tasks/Debian_systemd-timesyncd.yml
index ae8068b4..40c6629e 100644
--- a/roles/core/ntp/tasks/Debian_systemd-timesyncd.yml
+++ b/roles/core/ntp/tasks/Debian_systemd-timesyncd.yml
@@ -6,6 +6,12 @@
     - ntp_server is not defined
     msg: "systemd-timesyncd can not be used as a NTP server or sync to local clocks"
 
+- name: install systemd-timesyncd
+  when: (ansible_distribution == 'Debian' and (ansible_distribution_major_version | int) > 10) or (ansible_distribution == 'Ubuntu')
+  apt:
+    name: systemd-timesyncd
+    state: present
+
 - name: set ntp servers
   when:
   - ntp_client is defined
diff --git a/roles/network/nftables/base/defaults/main.yml b/roles/network/nftables/base/defaults/main.yml
new file mode 100644
index 00000000..95ec9073
--- /dev/null
+++ b/roles/network/nftables/base/defaults/main.yml
@@ -0,0 +1,11 @@
+---
+nftables_base_rules: {}
+
+# nftables_base_rules:
+#   example: |
+#     table inet global {
+#       chain input {
+#         type filter hook input priority filter; policy drop;
+#         ct state vmap { established: accept, related: accept, invalid: drop }
+#       }
+#     }
diff --git a/roles/network/nftables/base/tasks/main.yml b/roles/network/nftables/base/tasks/main.yml
index 46c7d0b5..3f268681 100644
--- a/roles/network/nftables/base/tasks/main.yml
+++ b/roles/network/nftables/base/tasks/main.yml
@@ -8,6 +8,18 @@
     path: /etc/nftables.d
     state: directory
 
+- name: generate rules files
+  loop: "{{ nftables_base_rules | dict2items }}"
+  loop_control:
+    label: "{{ item.key }}"
+  copy:
+    content: |
+      # Ansible managed
+
+      {{ item.value }}
+    dest: "/etc/nftables.d/{{ item.key }}.nft"
+  notify: reload nftables
+
 - name: generate base nft script
   copy:
     content: |
-- 
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