Chris Hammer
b4cad68289
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83 lines
3.0 KiB
YAML
83 lines
3.0 KiB
YAML
---
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- name: Capture logical volume adjacent to /boot
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ansible.builtin.shell:
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cmd: |
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set -o pipefail
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lsblk -p -o name,type|grep lvm|head -1
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executable: /bin/bash
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changed_when: false
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register: bigboot_adjacent_lvm
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- name: Set adjacent LVM device name
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ansible.builtin.set_fact:
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bigboot_adjacent_lvm_device: "{{ bigboot_adjacent_lvm.stdout | regex_replace('.*(/dev.*)\\s+.*$', '\\1') }}"
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- name: Get logical volume mount information
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ansible.builtin.set_fact:
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bigboot_lv_info: "{{ ansible_facts.mounts \
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| selectattr('device', 'equalto', bigboot_adjacent_lvm_device | trim) | first }}"
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- name: Capture shrink size for logical volume
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ansible.builtin.set_fact:
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bigboot_lv_shrink_size: "{{ bigboot_lv_info.size_total - bigboot_expansion_diff | human_to_bytes }}"
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- name: Capture logical volume name
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ansible.builtin.shell:
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cmd: |
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set -o pipefail
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lvdisplay {{ bigboot_adjacent_lvm_device }} | grep -i 'vg name'
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executable: /bin/bash
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changed_when: false
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register: bigboot_lv_vg_name
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- name: Format logical volume name
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ansible.builtin.set_fact:
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bigboot_lv_vg_name: "{{ bigboot_lv_vg_name.stdout | regex_replace('VG\\s+Name\\s+(.*)$', '\\1') }}"
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- name: Capture volume group free PE
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ansible.builtin.shell:
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cmd: |
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set -o pipefail
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vgdisplay {{ bigboot_lv_vg_name | trim }} | grep -i 'free'
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executable: /bin/bash
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changed_when: false
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register: bigboot_lv_vg_free_pe
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- name: Format logical volume free PE
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ansible.builtin.set_fact:
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# Ex:
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# Free PE / Size 320 / 1.25 GiB"
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# Free PE / Size 189 / 756.00 MiB"
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# Free PE / Size 414 / <1.62 GiB
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# Free PE / Size 0 / 0
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bigboot_lv_vg_free_pe: "{{ bigboot_lv_vg_free_pe.stdout | regex_replace('^.*/.*/\\s+[<]?(.*)', '\\1') }}"
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- name: Get size only from the values
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ansible.builtin.set_fact:
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bigboot_lv_size_in_mb:
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"{{ bigboot_lv_vg_free_pe | regex_replace('i|\\s+|<', '') | human_to_bytes | human_readable(unit='M') }}"
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bigboot_size_in_mb: "{{ bigboot_size_target[:-1] }}"
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- name: Check if we can shrink the logical volume
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block:
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- name: Assert if we need to execute the shrink_lv role
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ansible.builtin.assert:
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that:
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- bigboot_lv_vg_free_pe[:-4] != ''
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- (bigboot_lv_size_in_mb[:-6] | int - bigboot_size_in_mb | int ) >= 0
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fail_msg: Not enough free PE available for /boot expansion.
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rescue:
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- name: Assert there is free space available for shrinking
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ansible.builtin.assert:
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that: (bigboot_lv_info.size_available - bigboot_size_target | human_to_bytes) >= 0
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fail_msg: "Not enough space available on {{ bigboot_adjacent_lvm_device | trim }} for shrinking."
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- name: Execute Shrink_LV role to resize target logical volume
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ansible.builtin.import_role:
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name: infra.lvm_snapshots.shrink_lv
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vars:
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shrink_lv_devices:
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- device: "{{ bigboot_adjacent_lvm_device | trim }}"
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size: "{{ (bigboot_lv_shrink_size | int / bigboot_shrink_padding) | regex_replace('\\..*$', '') }}"
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