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5dcd3b9581
Update inventory/roles to keep K3s state on local storage and prevent iSCSI from managing /var/lib/rancher. Also add a single-host k3s install playbook, a systemd override template, and docs describing the installer ↔ Ansible boundary and slow-storage knobs. Co-authored-by: Junie <junie@jetbrains.com>
52 lines
1.8 KiB
YAML
52 lines
1.8 KiB
YAML
---
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- name: Unmount stale iSCSI mounts
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ansible.builtin.mount:
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path: "{{ item.path | default(item) }}"
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state: unmounted
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loop: "{{ iscsi_absent_mounts | default([]) }}"
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loop_control:
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label: "{{ item.path | default(item) }}"
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tags:
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- iscsi_cleanup
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- name: Guardrail - iSCSI must not manage /var/lib/rancher
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ansible.builtin.assert:
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that:
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- >-
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(iscsi_targets | default([])
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| map(attribute='mounts') | list | flatten
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| selectattr('path', 'equalto', '/var/lib/rancher')
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| list | length) == 0
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fail_msg: >-
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Inventory attempts to mount `/var/lib/rancher` via iSCSI. K3s state storage is
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intended to be local host storage (e.g. USB3 SSD on myrddin). Remove
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`/var/lib/rancher` from `iscsi_targets[*].mounts` (or set
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`iscsi_allow_rancher_mount: true` if you are intentionally overriding this).
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when: not (iscsi_allow_rancher_mount | default(false) | bool)
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- name: Remove stale iSCSI fstab entries
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ansible.builtin.lineinfile:
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path: /etc/fstab
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state: absent
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regexp: "^\\s*\\S+\\s+{{ (item.path | default(item)) | regex_escape }}\\s+"
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loop: "{{ iscsi_absent_mounts | default([]) }}"
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loop_control:
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label: "{{ item.path | default(item) }}"
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tags:
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- iscsi_cleanup
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- name: Mount filesystems for iSCSI targets
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ansible.builtin.include_tasks: iscsi_mount.yml
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loop: "{{ iscsi_targets | default([]) | map(attribute='mounts') | list | flatten }}"
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loop_control:
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loop_var: m
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- name: Guardrail - ensure required mountpoints are mounted
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ansible.builtin.command: "findmnt -n {{ item.path }}"
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register: _findmnt
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changed_when: false
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failed_when: _findmnt.rc != 0
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loop: "{{ iscsi_targets | default([]) | map(attribute='mounts') | list | flatten }}"
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loop_control:
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label: "{{ item.path }}"
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