Robert RappandClaude Fable 5.1
dc4edb643f
ci / test (push) Successful in 27s
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
99 lines
3.3 KiB
YAML
99 lines
3.3 KiB
YAML
# k3s-Agent neben Docker: k3s bringt sein eigenes containerd mit und erkennt nvidia-container-runtime
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# von selbst (Runtime "nvidia"). Docker bleibt für die bestehenden Compose-Stacks, bis sie umgezogen sind.
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- name: Server-Name in /etc/hosts (Adresse per DHCP, D5)
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ansible.builtin.lineinfile:
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path: /etc/hosts
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regexp: '\s{{ k3s_server_name | regex_escape }}$'
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line: "{{ k3s_server_host }} {{ k3s_server_name }}"
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- name: curl vorhanden
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ansible.builtin.apt:
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name: curl
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state: present
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- name: Installationsskript laden
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ansible.builtin.get_url:
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url: https://get.k3s.io
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dest: "{{ k3s_install_script }}"
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mode: "0755"
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- name: Verzeichnis /etc/rancher/k3s
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ansible.builtin.file:
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path: /etc/rancher/k3s
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state: directory
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mode: "0755"
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- name: Konfiguration /etc/rancher/k3s/config.yaml
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ansible.builtin.copy:
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dest: /etc/rancher/k3s/config.yaml
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mode: "0600"
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content: |
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# Verwaltet von Ansible (Rolle k3s-agent)
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server: https://{{ k3s_server_name }}:6443
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token: {{ k3s_token }}
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node-label: {{ k3s_node_labels | to_json }}
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register: k3s_agent_config
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no_log: true
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# ufw (nur in VMs mit aktiver Firewall): Kubelet und NodePorts aus dem LAN, Flannel-VXLAN zwischen den
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# Knoten, alles aus dem Pod-Netz (CoreDNS, Device-Plugin, Portainer-Agent sprechen mit dem Knoten).
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- name: Ist ufw vorhanden?
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ansible.builtin.stat:
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path: /usr/sbin/ufw
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register: k3s_ufw
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- name: ufw – k3s-Ports
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community.general.ufw:
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rule: allow
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from_ip: "{{ item.from }}"
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port: "{{ item.port | default(omit) }}"
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proto: "{{ item.proto | default(omit) }}"
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comment: "{{ item.comment }}"
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loop:
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- {from: "{{ k3s_lan }}", port: "10250", proto: tcp, comment: k3s-kubelet}
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- {from: "{{ k3s_lan }}", port: "8472", proto: udp, comment: k3s-flannel}
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- {from: "{{ k3s_lan }}", port: "30000:32767", proto: tcp, comment: k3s-nodeport}
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- {from: "{{ k3s_pod_cidr }}", comment: k3s-pods}
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loop_control:
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label: "{{ item.comment }}"
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when: k3s_ufw.stat.exists
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- name: Installierte Version lesen
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ansible.builtin.command: /usr/local/bin/k3s --version
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register: k3s_installed
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failed_when: false
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changed_when: false
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- name: k3s-Agent installieren oder auf die gepinnte Version bringen
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ansible.builtin.command: "{{ k3s_install_script }} agent"
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environment:
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INSTALL_K3S_VERSION: "{{ k3s_version }}"
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when: k3s_version not in (k3s_installed.stdout | default(''))
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- name: Agent neu starten, wenn sich die Konfiguration geändert hat
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ansible.builtin.service:
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name: k3s-agent
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state: restarted
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when: k3s_agent_config.changed and k3s_version in (k3s_installed.stdout | default(''))
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- name: Warten, bis containerd von k3s läuft
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ansible.builtin.wait_for:
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path: /var/lib/rancher/k3s/agent/etc/containerd/config.toml
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timeout: 120
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- name: NVIDIA-Runtime von k3s erkannt?
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ansible.builtin.command: grep -c nvidia /var/lib/rancher/k3s/agent/etc/containerd/config.toml
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register: k3s_nvidia
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changed_when: false
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failed_when: k3s_nvidia.stdout | int == 0
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- name: Warten, bis der Knoten im Cluster bereit ist (von ops aus)
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ansible.builtin.command: kubectl get node {{ inventory_hostname }} -o jsonpath='{.status.conditions[?(@.type=="Ready")].status}'
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register: k3s_node_ready
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until: k3s_node_ready.stdout == "True"
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retries: 36
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delay: 5
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changed_when: false
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delegate_to: localhost
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become: false
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