104 lines
3.0 KiB
YAML
104 lines
3.0 KiB
YAML
---
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- name: Check if k3s agent service exists
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stat:
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path: /etc/systemd/system/k3s-agent.service
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register: k3s_agent_service
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- name: Check k3s agent service state
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command: systemctl is-active k3s-agent
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register: k3s_agent_service_state
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changed_when: false
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failed_when: false
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when: k3s_agent_service.stat.exists
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- name: Check installed k3s version
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command: k3s --version
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register: installed_k3s_version
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changed_when: false
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failed_when: false
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when: k3s_agent_service.stat.exists
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- name: Determine whether k3s agent install is needed
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set_fact:
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k3s_agent_install_needed: >-
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{{
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(not k3s_agent_service.stat.exists)
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or ((k3s_agent_service_state.stdout | default('')) != 'active')
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or (k3s_version != 'latest' and k3s_version not in (installed_k3s_version.stdout | default('')))
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}}
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- name: Download k3s install script
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get_url:
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url: https://get.k3s.io
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dest: /tmp/install-k3s.sh
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mode: "0755"
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register: k3s_agent_install_script
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until: k3s_agent_install_script is succeeded
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retries: 5
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delay: 10
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when: k3s_agent_install_needed
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- name: Install k3s agent
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when: k3s_agent_install_needed
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block:
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- name: Wait for Kubernetes API endpoint before agent join
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wait_for:
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host: "{{ k3s_server_url | regex_replace('^https?://([^:/]+).*$', '\\1') }}"
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port: 6443
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state: started
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timeout: 180
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- name: Run k3s agent install
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environment:
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INSTALL_K3S_VERSION: "{{ k3s_version if k3s_version != 'latest' else '' }}"
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K3S_URL: "{{ k3s_server_url }}"
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K3S_TOKEN: "{{ k3s_token }}"
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command: >-
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/tmp/install-k3s.sh agent
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--node-ip {{ k3s_node_ip }}
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--flannel-iface={{ k3s_flannel_iface }}
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{% if k3s_kubelet_cloud_provider_external | bool %}--kubelet-arg=cloud-provider=external{% endif %}
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register: k3s_agent_install
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until: k3s_agent_install.rc == 0
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retries: 3
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delay: 20
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- name: Wait for k3s agent to be ready
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command: systemctl is-active k3s-agent
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register: agent_status
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until: agent_status.stdout == "active"
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retries: 30
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delay: 10
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changed_when: false
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- name: Show k3s-agent service status on failure
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command: systemctl status k3s-agent --no-pager
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register: k3s_agent_status
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changed_when: false
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failed_when: false
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when: agent_status is failed
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- name: Show recent k3s-agent logs on failure
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command: journalctl -u k3s-agent -n 120 --no-pager
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register: k3s_agent_journal
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changed_when: false
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failed_when: false
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when: agent_status is failed
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- name: Fail with k3s-agent diagnostics
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fail:
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msg: |
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k3s agent failed to become ready on {{ inventory_hostname }}.
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Install stdout:
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{{ k3s_agent_install.stdout | default('n/a') }}
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Install stderr:
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{{ k3s_agent_install.stderr | default('n/a') }}
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Service status:
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{{ k3s_agent_status.stdout | default('n/a') }}
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Recent logs:
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{{ k3s_agent_journal.stdout | default('n/a') }}
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when: agent_status is failed
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