Files
home-cluster/ansible/playbooks/cluster-prepare.yml
T
2023-07-01 11:33:54 -04:00

135 lines
4.6 KiB
YAML

---
- hosts:
- master
- worker
become: true
gather_facts: true
any_errors_fatal: true
pre_tasks:
- name: Pausing for 5 seconds...
ansible.builtin.pause:
seconds: 5
tasks:
- name: Locale
block:
- name: Locale | Set timezone
community.general.timezone:
name: "{{ timezone | default('Etc/UTC') }}"
- name: Networking
notify: Restart systemd-networkd
block:
- name: Networking | Set hostname to inventory hostname
ansible.builtin.hostname:
name: "{{ inventory_hostname }}"
- name: Networking | Update hosts file to include inventory hostname
ansible.builtin.blockinfile:
path: /etc/hosts
block: |
127.0.1.1 {{ inventory_hostname }}
# https://github.com/cilium/cilium/issues/18706
- name: Network | Cilium (1)
ansible.builtin.lineinfile:
dest: /etc/systemd/networkd.conf
regexp: ManageForeignRoutingPolicyRules
line: ManageForeignRoutingPolicyRules=no
- name: Network Configuration | Cilium (2)
ansible.builtin.lineinfile:
dest: /etc/systemd/networkd.conf
regexp: ManageForeignRoutes
line: ManageForeignRoutes=no
- name: Packages
block:
- name: Packages | Install required packages
ansible.builtin.apt:
name: "{{ ubuntu.packages | default([]) }}"
state: present
update_cache: true
- name: Packages | Remove leaf packages
ansible.builtin.apt:
autoremove: true
- name: Packages | RasPi packages
ansible.builtin.apt:
name: ["linux-modules-extra-raspi"]
install_recommends: false
notify: Reboot
when: "'raspi' in ansible_kernel"
- name: User Configuration
block:
- name: User Configuration | Add additional SSH public keys
ansible.posix.authorized_key:
user: "{{ ansible_user }}"
key: "{{ item }}"
loop: "{{ public_ssh_keys | default([]) }}"
- name: System Configuration (1)
block:
- name: System Configuration (1) | Disable ufw
ansible.builtin.systemd:
service: ufw.service
enabled: false
masked: true
state: stopped
register: stop_service
failed_when:
- stop_service.failed == true
- '"Could not find the requested service" not in stop_service.msg'
- name: System Configuration (1) | Enable fstrim
ansible.builtin.systemd:
service: fstrim.timer
enabled: true
- name: System Configuration (2)
block:
- name: System Configuration (2) | Enable kernel modules now
community.general.modprobe:
name: "{{ item }}"
state: present
loop: [br_netfilter, ip_vs, ip_vs_rr, overlay, rbd]
- name: System Configuration (2) | Enable kernel modules on boot
ansible.builtin.copy:
mode: 0644
content: "{{ item }}"
dest: "/etc/modules-load.d/{{ item }}.conf"
loop: [br_netfilter, ip_vs, ip_vs_rr, overlay, rbd]
- name: System Configuration (2) | Set sysctls
ansible.posix.sysctl:
name: "{{ item.key }}"
value: "{{ item.value }}"
sysctl_file: /etc/sysctl.d/99-kubernetes.conf
reload: true
with_dict: "{{ sysctl_config }}"
vars:
sysctl_config:
net.ipv4.ip_forward: 1
net.ipv4.conf.all.forwarding: 1
net.ipv4.conf.all.rp_filter: 0
net.ipv4.conf.default.rp_filter: 0
net.ipv6.conf.all.forwarding: 1
net.bridge.bridge-nf-call-iptables: 1
net.bridge.bridge-nf-call-ip6tables: 1
fs.inotify.max_user_watches: 524288
fs.inotify.max_user_instances: 512
- name: System Configuration (2) | Disable swap at runtime
ansible.builtin.command: swapoff -a
when: ansible_swaptotal_mb > 0
- name: System Configuration (2) | Disable swap at boot
ansible.posix.mount:
name: "{{ item }}"
fstype: swap
state: absent
loop: ["none", "swap"]
notify: Reboot
handlers:
- name: Restart systemd-networkd
ansible.builtin.systemd:
service: systemd-networkd
state: restarted
- name: Reboot
ansible.builtin.reboot:
msg: Rebooting nodes
reboot_timeout: 3600