64 lines
2.4 KiB
YAML
64 lines
2.4 KiB
YAML
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---
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- name: Check if newuidmap is available
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ansible.builtin.command:
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cmd: which newuidmap
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failed_when: false
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changed_when: false
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register: k3s_check_newuidmap_installed
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- name: Check if /proc/sys/kernel/unprivileged_userns_clone exists
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ansible.builtin.stat:
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path: /proc/sys/kernel/unprivileged_userns_clone
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register: k3s_check_unprivileged_userns_exists
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- name: Get the value of /proc/sys/kernel/unprivileged_userns_clone
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ansible.builtin.slurp:
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src: /proc/sys/kernel/unprivileged_userns_clone
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register: k3s_get_unprivileged_userns_clone
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when: k3s_check_unprivileged_userns_exists.stat.exists
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- name: Set the value of k3s_get_unprivileged_userns_clone
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ansible.builtin.set_fact:
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k3s_get_unprivileged_userns_clone:
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content: "MQo="
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when: not k3s_check_unprivileged_userns_exists.stat.exists
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- name: Get the value of /proc/sys/user/max_user_namespaces
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ansible.builtin.slurp:
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src: /proc/sys/user/max_user_namespaces
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register: k3s_get_max_user_namespaces
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- name: Get the contents of /etc/subuid
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ansible.builtin.slurp:
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src: /etc/subuid
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register: k3s_get_subuid
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- name: Get the contents of /etc/subgid
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ansible.builtin.slurp:
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src: /etc/subgid
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register: k3s_get_subgid
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- name: Get current user subuid and subgid values
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ansible.builtin.set_fact:
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k3s_current_user_subuid: "{{ (k3s_get_subuid['content'] | b64decode).split('\n')
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| select('search', ansible_user_id) | first | default('UserNotFound:0:0') }}"
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k3s_current_user_subgid: "{{ (k3s_get_subgid['content'] | b64decode).split('\n')
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| select('search', ansible_user_id) | first | default('UserNotFound:0:0') }}"
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- name: Check user namespaces kernel parameters are adequate
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ansible.builtin.assert:
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that:
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- k3s_get_unprivileged_userns_clone['content'] | b64decode | int == 1
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- ((k3s_get_max_user_namespaces['content'] | b64decode | int >= 28633) or (k3s_os_family != "redhat"))
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- k3s_current_user_subuid != "UserNotFound:0:0"
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- k3s_current_user_subgid != "UserNotFound:0:0"
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- k3s_current_user_subuid.split(':')[2] | int >= 65536
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- k3s_current_user_subgid.split(':')[2] | int >= 65536
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- ansible_env['XDG_RUNTIME_DIR'] is defined
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- k3s_check_newuidmap_installed.rc == 0
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success_msg: All kernel parameters passed
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fail_msg: >-
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Kernel parameters are not set correctly, please check
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https://github.com/rootless-containers/rootlesskit
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