resolvconf

inventory

@@ -1,22 +1,24 @@
 [nodes]
-192.168.50.1
-192.168.50.2
-192.168.50.3
-# 192.168.50.11
-# 192.168.50.12
-# 192.168.50.13
+# masters
+192.168.50.41
+192.168.50.42
+192.168.50.43
+# workers
+# 192.168.50.44
+# 192.168.50.45
+# 192.168.50.46
 
 [master-primary]
-192.168.50.1
+192.168.50.41
 
 # do one at a time
 # the k3s service restarts
 # on the primary when a node joins
 [master-secondary]
-192.168.50.2
-192.168.50.3
+192.168.50.42
+192.168.50.43
 
 [workers]
-# 192.168.50.11
-# 192.168.50.12
-# 192.168.50.13
+# 192.168.50.44
+# 192.168.50.45
+# 192.168.50.46

roles/nfs-storage/tasks/main.yml

@@ -0,0 +1,35 @@
+- name: Install packages
+  ansible.builtin.apt:
+    name: "{{ item }}"
+    state: present
+    install_recommends: false
+  loop: "nfs-kernel-server rpcbind"
+
+- name: Check the disk for existing partitions
+  ansible.builtin.stat:
+    path: "{{ storage_disk }}1"
+  register: partition_exists
+
+- name: Format disk
+  community.general.filesystem:
+    fstype: "{{ fs_type }}"
+    dev: "{{ storage_disk }}"
+  when: not partition_exists
+
+- name: Create mount
+  ansible.builtin.template:
+    src: etc-systemd-system-mnt-storage.mount.j2
+    dest: "/etc/systemd/system/mnt-{{ mount_path }}.mount"
+    mode: "0644"
+
+- name: Enable mount
+  ansible.builtin.systemd_service:
+    name: "mnt-{{ mount_path }}.mount"
+    state: started
+    enabled: true
+
+- name: Setup nfs-server
+  ansible.builtin.template:
+    src: etc-exports.j2
+    dest: /etc/exports
+    mode: "0644"

roles/nfs-storage/templates/etc-exports.j2

@@ -0,0 +1 @@
+/mnt/cluster rw,no_root_squash

roles/nfs-storage/templates/etc-systemd-system-mnt-storage.mount.j2

@@ -0,0 +1,7 @@
+[Unit]
+Description=mount {{ storage_disk }} at {{ mount_path }}
+
+[Mount]
+Where={{ mount_path }}
+What={{ storage_disk }}1
+Type={{ fs_type }}

roles/node/defaults/main.yml

@@ -1,9 +1,6 @@
 packages:
   - nfs-common
   - curl
-  - systemd-resolved # needs to be the last one
-                     # breaks dns resolution until
-                     # systemd-networkd is configured
 
 # hostsnames:
 # - ip: x.x.x.x
@@ -13,6 +10,6 @@ hostnames: []
 
 interface_name: lan0
 gateway: "192.168.50.254"
-dns_servers:
+nameservers:
   - "192.168.11.1"
   - "1.1.1.1"

roles/node/handlers/main.yml

@@ -6,7 +6,7 @@
     cmd: >
       update-initramfs -k all -u
 
-- name: Warn user to reboot
-  ansible.builtin.set_fact:
-    user_notify: Reboot the machine to use the new name for primary interface!
-  when: systemd_networkd_ifname is changed
+- name: Reboot
+  listen:
+    - reboot
+  ansible.builtin.reboot:

roles/node/tasks/network.yml

@@ -1,25 +1,32 @@
+- name: Check if default interface is configured
+  ansible.builtin.set_fact:
+    interface_configured: "{{ interface_name in ansible_interfaces }}"
+
 - name: Configure default interface name
   ansible.builtin.template:
     src: etc-systemd-network-10-lan0.link.j2
     dest: /etc/systemd/network/10-lan0.link
     mode: "0644"
-  register: systemd_networkd_ifname
+  notify:
+    - update initramfs
+    - reboot
+  when: not interface_configured
 
 - name: Configure network for default interface
   ansible.builtin.template:
     src: etc-systemd-network-20-lan0.network.j2
     dest: /etc/systemd/network/20-lan0.network
     mode: "0644"
-  notify: update initramfs
+  when: not interface_configured
+
+- name: Configure nameservers
+  ansible.builtin.template:
+    src: etc-resolv.conf.j2
+    dest: /etc/resolv.conf
+    mode: "0644"
 
 - name: Enable systemd-networkd
   ansible.builtin.systemd_service:
     name: systemd-networkd
     enabled: true
     state: restarted
-
-- name: Enable systemd-resolved
-  ansible.builtin.systemd_service:
-    name: systemd-resolved
-    enabled: true
-    state: restarted

roles/node/templates/etc-resolv.conf.j2

@@ -0,0 +1,3 @@
+{% for nameserver in nameservers %}
+nameserver {{ nameserver }}
+{% endfor %}

roles/node/templates/etc-systemd-network-20-lan0.network.j2

@@ -4,6 +4,6 @@ Name={{ interface_name }}
 [Network]
 Address={{ ansible_default_ipv4.address|default(ansible_all_ipv4_addresses[0]) }}/24
 Gateway={{ gateway }}
-{% for dns in dns_servers %}
-DNS={{ dns }}
+{% for nameserver in nameservers %}
+DNS={{ nameserver }}
 {% endfor %}