Files
IaC/ansible/k8s_setup.yml

113 lines
4.0 KiB
YAML

---
- name: Подготовка всех узлов
hosts: masters,workers # <--- ИЗМЕНИЛИ all на masters,workers
become: true
tasks:
- name: Ожидание разблокировки APT (система обновляется после первой загрузки)
shell: while fuser /var/lib/dpkg/lock-frontend >/dev/null 2>&1; do sleep 5; done;
changed_when: false
- name: Обновление системы
apt: update_cache=yes upgrade=dist
- name: Установка базовых пакетов
apt:
name: [apt-transport-https, ca-certificates, curl, gnupg, qemu-guest-agent]
state: present
- name: Отключение SWAP
command: swapoff -a
when: ansible_swaptotal_mb > 0
- name: Загрузка модулей ядра
copy:
dest: /etc/modules-load.d/k8s.conf
content: |
overlay
br_netfilter
- name: Применение модулей
shell: |
modprobe overlay
modprobe br_netfilter
- name: Настройка параметров sysctl
copy:
dest: /etc/sysctl.d/k8s.conf
content: |
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
net.ipv4.ip_forward = 1
register: sysctl_res
- name: Применить sysctl
command: sysctl --system
when: sysctl_res.changed
- name: Установка Containerd (версия 2025 года)
apt:
name: containerd
state: present
- name: Настройка Containerd (SystemdCgroup)
shell: |
mkdir -p /etc/containerd
containerd config default > /etc/containerd/config.toml
sed -i 's/SystemdCgroup = false/SystemdCgroup = true/' /etc/containerd/config.toml
notify: restart containerd
- name: Добавление ключа и репозитория Kubernetes
shell: |
curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.32/deb/Release.key | gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.32/deb/ /' > /etc/apt/sources.list.d/kubernetes.list
- name: Установка компонентов K8s
apt:
name: [kubelet, kubeadm, kubectl]
state: present
update_cache: yes
handlers:
- name: restart containerd
service: name=containerd state=restarted
- name: Инициализация Master
hosts: masters
become: true
tasks:
- name: Проверка, инициализирован ли кластер
stat: path=/etc/kubernetes/admin.conf
register: kube_init
- name: Kubeadm init (без kube-proxy для Cilium)
command: kubeadm init --pod-network-cidr=10.244.0.0/16 --skip-phases=addon/kube-proxy
when: not kube_init.stat.exists
- name: Настройка конфига для пользователя
shell: |
mkdir -p $HOME/.kube
cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
chown $(id -u):$(id -g) $HOME/.kube/config
- name: Генерация команды присоединения
command: kubeadm token create --print-join-command
register: join_command
- name: Присоединение Worker узлов
hosts: workers
become: true
tasks:
- name: Join к кластеру
command: "{{ hostvars[groups['masters'][0]]['join_command'].stdout }}"
args:
creates: /etc/kubernetes/kubelet.conf
- name: Установка Cilium (eBPF)
hosts: masters
tasks:
- name: Установка Cilium CLI и самого CNI
shell: |
curl -L --remote-name-all https://github.com/cilium/cilium-cli/releases/latest/download/cilium-linux-amd64.tar.gz
tar xzvf cilium-linux-amd64.tar.gz -C /usr/local/bin
rm cilium-linux-amd64.tar.gz
cilium install --set kubeProxyReplacement=true