Tellsanguis
3b5f1fc2d2
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- Passage stockage local-nvme pour acemagician et elitedesk (40G) - Token K3S partagé via cloud-init pour cluster HA - Configuration FluxCD avec GitRepository Forgejo - Déploiement Hello World via FluxCD - Manifestes Kubernetes pour application demo
124 lines
3 KiB
YAML
124 lines
3 KiB
YAML
---
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- name: Check if K3s is already installed
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stat:
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path: /usr/local/bin/k3s
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register: k3s_binary
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- name: Get installed K3s version
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command: k3s --version
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register: installed_version
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changed_when: false
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failed_when: false
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when: k3s_binary.stat.exists
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- name: Determine if this is the first server
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set_fact:
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is_first_server: "{{ ansible_default_ipv4.address == k3s_server_1_ip }}"
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- name: Load K3s token from environment
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set_fact:
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k3s_token: "{{ lookup('env', 'K3S_TOKEN') }}"
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- name: Install K3s on first server (cluster-init)
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shell: >
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curl -sfL {{ k3s_install_url }} |
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INSTALL_K3S_VERSION="{{ k3s_version }}"
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K3S_TOKEN="{{ k3s_token }}"
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sh -s - server
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--cluster-init
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--tls-san {{ k3s_server_1_ip }}
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--tls-san {{ k3s_server_2_ip }}
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--write-kubeconfig-mode 644
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--disable traefik
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--node-ip {{ ansible_default_ipv4.address }}
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when:
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- is_first_server
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- >-
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not k3s_binary.stat.exists or
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(k3s_version not in installed_version.stdout)
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environment:
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INSTALL_K3S_SKIP_START: "false"
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- name: Wait for first server to be ready
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wait_for:
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host: "{{ k3s_server_1_ip }}"
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port: 6443
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delay: 10
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timeout: 300
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when: is_first_server
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- name: Wait for first server API (second server)
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wait_for:
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host: "{{ k3s_server_1_ip }}"
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port: 6443
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delay: 30
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timeout: 600
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when: not is_first_server
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- name: Install K3s on second server (join cluster)
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shell: >
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curl -sfL {{ k3s_install_url }} |
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INSTALL_K3S_VERSION="{{ k3s_version }}"
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sh -s - server
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--server https://{{ k3s_server_1_ip }}:6443
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--token {{ k3s_token }}
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--tls-san {{ k3s_server_2_ip }}
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--write-kubeconfig-mode 644
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--disable traefik
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--node-ip {{ ansible_default_ipv4.address }}
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when:
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- not is_first_server
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- >-
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not k3s_binary.stat.exists or
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(k3s_version not in installed_version.stdout)
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- name: Enable and start k3s service
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systemd:
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name: k3s
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state: started
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enabled: true
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- name: Wait for K3s to be ready
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command: k3s kubectl get nodes
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register: kubectl_result
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until: kubectl_result.rc == 0
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retries: 30
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delay: 10
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changed_when: false
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- name: Create pre-reboot script
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copy:
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src: k3s-pre-reboot.sh
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dest: /usr/local/bin/k3s-pre-reboot.sh
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mode: '0755'
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- name: Create systemd service for pre-reboot drain
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copy:
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dest: /etc/systemd/system/k3s-pre-reboot.service
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content: |
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[Unit]
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Description=Drain k3s node before reboot
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Before=reboot.target
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Before=shutdown.target
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DefaultDependencies=no
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[Service]
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Type=oneshot
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ExecStart=/usr/local/bin/k3s-pre-reboot.sh
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TimeoutStartSec=300
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[Install]
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WantedBy=reboot.target
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WantedBy=shutdown.target
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mode: '0644'
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notify: reload systemd
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- name: Enable pre-reboot service
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systemd:
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name: k3s-pre-reboot
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enabled: true
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daemon_reload: true
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- name: Install FluxCD (only on first server)
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include_tasks: flux.yml
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when: is_first_server
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