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78 lines
2.5 KiB
YAML
78 lines
2.5 KiB
YAML
---
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- name: Check if k3s is already installed
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ansible.builtin.stat:
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path: /usr/local/bin/k3s
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register: k3s_bin
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- name: Verify bind interface exists
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ansible.builtin.assert:
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that:
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- "'ansible_' + k3s_bind_interface in hostvars[inventory_hostname]"
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fail_msg: "Interface {{ k3s_bind_interface }} not found on {{ inventory_hostname }}"
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- name: Get wired IP address
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ansible.builtin.set_fact:
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k3s_node_ip: "{{ hostvars[inventory_hostname]['ansible_' + k3s_bind_interface]['ipv4']['address'] }}"
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- name: Install k3s dependencies
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ansible.builtin.package:
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name:
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- curl
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state: present
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- name: Download k3s install script
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ansible.builtin.get_url:
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url: https://get.k3s.io
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dest: /tmp/k3s_install.sh
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mode: "0755"
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- name: Initialize first k3s server node
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ansible.builtin.command:
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cmd: /tmp/k3s_install.sh
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environment:
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INSTALL_K3S_VERSION: "{{ k3s_version }}"
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K3S_TOKEN: "prole-k3s-ha-token" # In a real prod environment, use a secret
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INSTALL_K3S_EXEC: "server --cluster-init --bind-address {{ k3s_node_ip }} --node-ip {{ k3s_node_ip }} --advertise-address {{ k3s_node_ip }}"
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when:
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- inventory_hostname == groups['k3s_hosts'][0]
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- not k3s_bin.stat.exists
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- name: Wait for k3s token to be generated
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ansible.builtin.wait_for:
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path: /var/lib/rancher/k3s/server/node-token
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when: inventory_hostname == groups['k3s_hosts'][0]
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- name: Read k3s node token
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ansible.builtin.slurp:
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src: /var/lib/rancher/k3s/server/node-token
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register: node_token_b64
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when: inventory_hostname == groups['k3s_hosts'][0]
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- name: Set node token fact
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ansible.builtin.set_fact:
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k3s_cluster_token: "{{ node_token_b64.content | b64decode | trim }}"
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when: inventory_hostname == groups['k3s_hosts'][0]
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- name: Share node token with other nodes
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ansible.builtin.set_fact:
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k3s_cluster_token: "{{ hostvars[groups['k3s_hosts'][0]]['k3s_cluster_token'] }}"
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when: inventory_hostname != groups['k3s_hosts'][0]
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- name: Join additional k3s server nodes
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ansible.builtin.command:
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cmd: /tmp/k3s_install.sh
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environment:
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INSTALL_K3S_VERSION: "{{ k3s_version }}"
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K3S_URL: "https://{{ hostvars[groups['k3s_hosts'][0]]['k3s_node_ip'] }}:6443"
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K3S_TOKEN: "{{ k3s_cluster_token }}"
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INSTALL_K3S_EXEC: "server --bind-address {{ k3s_node_ip }} --node-ip {{ k3s_node_ip }} --advertise-address {{ k3s_node_ip }}"
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when:
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- inventory_hostname != groups['k3s_hosts'][0]
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- not k3s_bin.stat.exists
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- name: Ensure k3s service is started and enabled
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ansible.builtin.service:
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name: k3s
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state: started
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enabled: true
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