add bigboot-v3.yml, supporting filter_plugins, and fuzzy logic

tasks/bigboot_manage_lv.yml

@@ -0,0 +1,83 @@
+---
+- name: Capture logical volume adjacent to /boot
+  ansible.builtin.shell:
+    cmd: |
+      set -o pipefail
+      lsblk -p -o name,type|grep lvm|head -1
+    executable: /bin/bash
+  changed_when: false
+  register: bigboot_adjacent_lvm
+
+- name: Set adjacent LVM device name
+  ansible.builtin.set_fact:
+    bigboot_adjacent_lvm_device: "{{ bigboot_adjacent_lvm.stdout | regex_replace('.*(\\/dev.*)\\s+.*$', '\\1') }}"
+
+- name: Get logical volume mount information
+  ansible.builtin.set_fact:
+    bigboot_lv_info: "{{ ansible_facts.mounts \
+      | selectattr('device', 'equalto', bigboot_adjacent_lvm_device | trim) | first }}"
+
+- name: Capture shrink size for logical volume
+  ansible.builtin.set_fact:
+    bigboot_lv_shrink_size: "{{ bigboot_lv_info.size_total - bigboot_expansion_diff | int }}"
+
+- name: Capture logical volume name
+  ansible.builtin.shell:
+    cmd: |
+      set -o pipefail
+      lvdisplay {{ bigboot_adjacent_lvm_device }} | grep -i 'vg name'
+    executable: /bin/bash
+  changed_when: false
+  register: bigboot_lv_vg_name
+
+- name: Format logical volume name
+  ansible.builtin.set_fact:
+    bigboot_lv_vg_name: "{{ bigboot_lv_vg_name.stdout | regex_replace('^.*?\\s+(\\w+)$', '\\1') }}"
+
+- name: Capture volume group free PE
+  ansible.builtin.shell:
+    cmd: |
+      set -o pipefail
+      vgdisplay {{ bigboot_lv_vg_name }} | grep -i 'free'
+    executable: /bin/bash
+  changed_when: false
+  register: bigboot_lv_vg_free_pe
+
+- name: Format logical volume free PE
+  ansible.builtin.set_fact:
+    # Ex:
+    #   Free  PE / Size       320 / 1.25 GiB"
+    #   Free  PE / Size       189 / 756.00 MiB"
+    #   Free  PE / Size       0 / 0
+    bigboot_lv_vg_free_pe: "{{ bigboot_lv_vg_free_pe.stdout | regex_replace('^.*/.*/\\s+(.*)', '\\1') }}"
+
+- name: Get size only from the values
+  ansible.builtin.set_fact:
+    bigboot_lv_size_in_mb:
+      "{{ bigboot_lv_vg_free_pe | regex_replace('i|\\s+|<', '') | human_to_bytes | human_readable(unit='M') }}"
+      # "{{ bigboot_lv_vg_free_pe | regex_replace('i', '') | regex_replace(' ', '') | human_to_bytes | human_readable(unit='M') }}"
+    bigboot_size_in_mb: "{{ bigboot_size[:-1] }}"
+
+- name: Check if we can shrink the logical volume
+  block:
+    - name: Assert if we need to execute the shrink_lv role
+      ansible.builtin.assert:
+        that:
+          - bigboot_lv_vg_free_pe[:-4] != ''
+          - (bigboot_lv_size_in_mb[:-6] | int - bigboot_size_in_mb | int ) >= 0
+          # - (bigboot_lv_info.size_available - bigboot_size | human_to_bytes) >= 0
+        fail_msg: Not enough free PE available for /boot expansion.
+
+  rescue:
+    - name: Assert there is free space available for shrinking
+      ansible.builtin.assert:
+        that: (bigboot_lv_info.size_available - bigboot_size | human_to_bytes) >= 0
+        fail_msg: "Not enough space available on {{ bigboot_adjacent_lvm_device | trim }} for shrinking."
+
+    - name: Execute Shrink_LV role to resize target logical volume
+      ansible.builtin.import_role:
+        name: infra.lvm_snapshots.shrink_lv
+      vars:
+        shrink_lv_devices:
+          - device: "{{ bigboot_adjacent_lvm_device | trim }}"
+            size: "{{ bigboot_lv_shrink_size | int | human_readable | regex_replace('^(.*\\.\\d+)\\s+(\\w).*$', '\\1\\2') }}"

tasks/capture_boot_device_details.yml

@@ -0,0 +1,36 @@
+---
+- name: Get /boot mount information
+  ansible.builtin.set_fact:
+    bigboot_boot_info: "{{ ansible_facts.mounts \
+      | selectattr('mount', 'equalto', '/boot') | first }}"
+
+- name: Capture required expansion space
+  ansible.builtin.set_fact:
+    bigboot_expansion_diff:
+      "{{ bigboot_size | human_to_bytes - bigboot_boot_info.size_total | int }}"
+
+- name: Convert size difference to MB
+  ansible.builtin.set_fact:
+    bigboot_size_expansion_mb: "{{ bigboot_expansion_diff | int | human_readable(unit='M') }}"
+
+- name: Set bigboot size 4k aligned
+  ansible.builtin.set_fact:
+    bigboot_size: "{{ bigboot_size_expansion_mb[:-2] \
+      | regex_replace('\\.\\d+ ', '') \
+      | int | get_block_size_up }}"
+
+- name: Validate if we need to expand boot
+  block:
+    - name: Assert that /boot requires expansion
+      ansible.builtin.assert:
+        that: bigboot_expansion_diff | int <= 0
+        fail_msg: The /boot partition will need to be resized
+        success_msg: The /boot partition is already at the desired size
+
+    - name: The /boot parition is already at the desired size.
+      ansible.builtin.meta: end_host
+
+  rescue:
+    - name: Expansion of /boot required
+      ansible.builtin.debug:
+        msg: "Expanding /boot by an additional {{ bigboot_size }}."