Files
Ansible-Bootstrap/roles/configuration/tasks/encryption.yml

138 lines
5.2 KiB
YAML

---
- name: Configure disk encryption
when: system_cfg.luks.enabled | bool
no_log: true
vars:
configuration_luks_passphrase: >-
{{ system_cfg.luks.passphrase | string }}
block:
- name: Set LUKS configuration facts
vars:
luks_tpm2_pcrs: >-
{{
(
system_cfg.luks.tpm2.pcrs
if system_cfg.luks.tpm2.pcrs is string
else (system_cfg.luks.tpm2.pcrs | map('string') | join('+'))
)
| string
| replace(',', '+')
| regex_replace('\\s+', '')
| regex_replace('^\\+|\\+$', '')
}}
ansible.builtin.set_fact:
configuration_luks_mapper_name: "{{ system_cfg.luks.mapper }}"
configuration_luks_uuid: "{{ partitioning_luks_uuid | default('') }}"
configuration_luks_device: "{{ partitioning_luks_device }}"
configuration_luks_options: "{{ system_cfg.luks.options }}"
configuration_luks_auto_method: >-
{{
(system_cfg.luks.auto | bool)
| ternary(
system_cfg.luks.method,
'manual'
)
}}
configuration_luks_tpm2_device: "{{ system_cfg.luks.tpm2.device }}"
configuration_luks_tpm2_pcrs: "{{ luks_tpm2_pcrs }}"
configuration_luks_keyfile_path: "/etc/cryptsetup-keys.d/{{ system_cfg.luks.mapper }}.key"
- name: Validate LUKS UUID is available
ansible.builtin.assert:
that:
- configuration_luks_uuid | length > 0
fail_msg: LUKS UUID not available. Ensure partitioning ran before configuration.
- name: Validate LUKS passphrase for auto-decrypt
when: configuration_luks_auto_method in ['tpm2', 'keyfile']
ansible.builtin.assert:
that:
- configuration_luks_passphrase | length > 0
fail_msg: system.luks.passphrase must be set for LUKS auto-decrypt.
no_log: true
- name: Enroll TPM2 for LUKS
when: configuration_luks_auto_method == 'tpm2'
ansible.builtin.include_tasks: encryption/tpm2.yml
- name: Configure LUKS keyfile auto-decrypt
when: configuration_luks_auto_method == 'keyfile'
ansible.builtin.include_tasks: encryption/keyfile.yml
- name: Record final LUKS auto-decrypt method
ansible.builtin.set_fact:
configuration_luks_final_method: "{{ configuration_luks_auto_method }}"
- name: Report LUKS auto-decrypt configuration
ansible.builtin.debug:
msg: "LUKS auto-decrypt method: {{ configuration_luks_final_method }}"
- name: Build LUKS parameters
vars:
luks_keyfile_in_use: "{{ configuration_luks_auto_method == 'keyfile' }}"
luks_option_list: >-
{{
(configuration_luks_options | trim).split(',')
if configuration_luks_options | trim | length > 0
else []
}}
luks_tpm2_option_list: >-
{{
(configuration_luks_auto_method == 'tpm2')
| ternary(
['tpm2-device=' + configuration_luks_tpm2_device]
+ (['tpm2-pcrs=' + configuration_luks_tpm2_pcrs]
if configuration_luks_tpm2_pcrs | length > 0 else []),
[]
)
}}
luks_crypttab_keyfile: "{{ configuration_luks_keyfile_path if luks_keyfile_in_use else 'none' }}"
luks_crypttab_options: >-
{{
(['luks'] + luks_option_list + luks_tpm2_option_list)
| join(',')
}}
luks_rd_options: "{{ (luks_option_list + luks_tpm2_option_list) | join(',') }}"
luks_kernel_args: >-
{{
(
['rd.luks.name=' + configuration_luks_uuid + '=' + configuration_luks_mapper_name]
+ (
['rd.luks.options=' + configuration_luks_uuid + '=' + luks_rd_options]
if luks_rd_options | length > 0 else []
)
+ (
['rd.luks.key=' + configuration_luks_uuid + '=' + configuration_luks_keyfile_path]
if luks_keyfile_in_use else []
)
) | join(' ')
}}
ansible.builtin.set_fact:
configuration_luks_keyfile_in_use: "{{ luks_keyfile_in_use }}"
configuration_luks_option_list: "{{ luks_option_list }}"
configuration_luks_tpm2_option_list: "{{ luks_tpm2_option_list }}"
configuration_luks_crypttab_keyfile: "{{ luks_crypttab_keyfile }}"
configuration_luks_crypttab_options: "{{ luks_crypttab_options }}"
configuration_luks_rd_options: "{{ luks_rd_options }}"
configuration_luks_kernel_args: "{{ luks_kernel_args }}"
- name: Remove LUKS keyfile if TPM2 auto-decrypt is active
when: configuration_luks_auto_method == 'tpm2'
ansible.builtin.file:
path: /mnt{{ configuration_luks_keyfile_path }}
state: absent
- name: Configure crypttab
ansible.builtin.include_tasks: encryption/crypttab.yml
- name: Configure initramfs
ansible.builtin.include_tasks: encryption/initramfs.yml
- name: Configure dracut
when: os_family == 'RedHat'
ansible.builtin.include_tasks: encryption/dracut.yml
- name: Configure GRUB for LUKS
when: not os_family == 'RedHat'
ansible.builtin.include_tasks: encryption/grub.yml