114 lines
4.2 KiB
YAML
114 lines
4.2 KiB
YAML
---
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- name: Prepare System
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hosts: kubernetes
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become: true
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gather_facts: true
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any_errors_fatal: true
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pre_tasks:
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- name: Pausing for 5 seconds...
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ansible.builtin.pause:
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seconds: 5
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- name: Populate service facts
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ansible.builtin.service_facts:
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tasks:
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- name: Locale
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block:
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- name: Locale | Set timezone
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community.general.timezone:
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name: "{{ timezone }}"
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- name: Packages
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block:
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- name: Packages | Install
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ansible.builtin.apt:
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name: apt-transport-https,ca-certificates,conntrack,curl,dirmngr,gdisk,gnupg,hdparm,htop,
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iptables,iputils-ping,ipvsadm,libseccomp2,lm-sensors,net-tools,nfs-common,
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nvme-cli,open-iscsi,parted,psmisc,python3,python3-apt,python3-kubernetes,python3-yaml,
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smartmontools,socat,software-properties-common,unzip,util-linux
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install_recommends: false
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- name: Network Configuration
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notify: Reboot
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block:
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- name: Network Configuration | Set hostname
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ansible.builtin.hostname:
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name: "{% raw %}{{ inventory_hostname }}{% endraw %}"
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- name: Network Configuration | Update hosts
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ansible.builtin.copy:
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content: |
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127.0.0.1 localhost
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127.0.1.1 {% raw %}{{ inventory_hostname }}{% endraw %}
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# The following lines are desirable for IPv6 capable hosts
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::1 localhost ip6-localhost ip6-loopback
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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dest: /etc/hosts
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mode: preserve
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# https://github.com/onedr0p/cluster-template/discussions/635
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- name: Network Configuration | Remove immutable flag from /etc/resolv.conf
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ansible.builtin.file:
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attributes: -i
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path: /etc/resolv.conf
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- name: Network Configuration | Remove /etc/resolv.conf
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ansible.builtin.file:
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attributes: -i
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path: /etc/resolv.conf
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state: absent
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- name: Network Configuration | Add custom /etc/resolv.conf
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ansible.builtin.copy:
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attributes: +i
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mode: '0644'
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dest: /etc/resolv.conf
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content: |
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search {{ nodes.search_domain|default('.', true) }}
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{% for item in nodes.dns_servers | default(['1.1.1.1', '1.0.0.1']) %}
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nameserver {{ item }}
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{% endfor %}
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- name: System Configuration
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notify: Reboot
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block:
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- name: System Configuration | Disable apparmor
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when: ansible_facts.services['apparmor.service'] is defined
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ansible.builtin.systemd:
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name: apparmor
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state: stopped
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masked: true
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- name: System Configuration | Disable swap
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ansible.posix.mount:
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name: "{% raw %}{{ item }}{% endraw %}"
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fstype: swap
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state: absent
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loop: ["none", "swap"]
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- name: System Configuration | Create Kernel modules
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ansible.builtin.copy:
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dest: "/etc/modules-load.d/{% raw %}{{ item }}{% endraw %}.conf"
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mode: "0644"
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content: "{% raw %}{{ item }}{% endraw %}"
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loop: ["br_netfilter", "ceph", "ip_vs", "ip_vs_rr", "nbd", "overlay", "rbd"]
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register: modules_status
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- name: System Configuration | Reload Kernel modules # noqa: no-changed-when no-handler
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when: modules_status.changed
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ansible.builtin.systemd:
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name: systemd-modules-load
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state: restarted
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- name: System Configuration | Sysctl
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ansible.posix.sysctl:
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name: "{% raw %}{{ item.key }}{% endraw %}"
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value: "{% raw %}{{ item.value }}{% endraw %}"
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sysctl_file: /etc/sysctl.d/99-kubernetes.conf
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reload: true
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with_dict: "{% raw %}{{ sysctl_config }}{% endraw %}"
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vars:
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sysctl_config:
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fs.inotify.max_queued_events: 65536
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fs.inotify.max_user_watches: 524288
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fs.inotify.max_user_instances: 8192
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handlers:
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- name: Reboot
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ansible.builtin.reboot:
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msg: Rebooting hosts
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reboot_timeout: 3600
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