fix playbook workflow

tasks/capture_boot_device_details.yml

@@ -31,16 +31,21 @@
 
 - name: Validate if we need to expand boot
   block:
+    - name: Set flag for Bigboot execution
+      ansible.builtin.set_fact:
+        bigboot_execute_bigboot: false
+
     - 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: Set flag for Bigboot execution
+      ansible.builtin.set_fact:
+        bigboot_execute_bigboot: true
+
     - name: Expansion of /boot required
       ansible.builtin.debug:
         msg: "Will need to expand /boot by an additional {{ bigboot_size }}."

tasks/capture_lv_device_details.yml

@@ -0,0 +1,80 @@
+---
+- 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+.*$', '\\1') }}"
+
+- name: Get logical volume mount information
+  ansible.builtin.set_fact:
+    bigboot_lv_info: "{{ ansible_facts.mounts \
+      | selectattr('device', 'equalto', bigboot_adjacent_lvm_device | trim) | first }}"
+
+- name: Assert that there is space on the logical volume for shrinkage
+  ansible.builtin.assert:
+    that: bigboot_lv_info.size_available > bigboot_expansion_diff | int
+    fail_msg: There is not enough space available for LV shrinking.
+
+- name: Capture shrink size for logical volume
+  ansible.builtin.set_fact:
+    bigboot_lv_shrink_size: "{{ bigboot_lv_info.size_total - bigboot_expansion_diff | int }}"
+
+- name: Capture logical volume name
+  ansible.builtin.shell:
+    cmd: |
+      set -o pipefail
+      lvdisplay {{ bigboot_adjacent_lvm_device }} | grep -i 'vg name'
+    executable: /bin/bash
+  changed_when: false
+  register: bigboot_lv_vg_name
+
+- name: Format logical volume name
+  ansible.builtin.set_fact:
+    bigboot_lv_vg_name: "{{ bigboot_lv_vg_name.stdout | regex_replace('VG\\s+Name\\s+(.*)$', '\\1') }}"
+
+- name: Capture volume group free PE
+  ansible.builtin.shell:
+    cmd: |
+      set -o pipefail
+      vgdisplay {{ bigboot_lv_vg_name | trim }} | 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       414 / <1.62 GiB
+    #   Free  PE / Size       0 / 0
+    bigboot_lv_vg_free_pe: "{{ bigboot_lv_vg_free_pe.stdout | regex_replace('^.*/.*/\\s+[<]?(.*)', '\\1') }}"
+
+- name: Get size in MB for PE and
+  ansible.builtin.set_fact:
+    bigboot_lv_pe_size_in_mb:
+      "{{ bigboot_lv_vg_free_pe | regex_replace('i|\\s+|<', '') | human_to_bytes | human_readable(unit='M') }}"
+
+- name: Verify if there's available PE or not and execute Shrink_LV
+  block:
+    - name: Set flag for Shrink_LV execution
+      ansible.builtin.set_fact:
+        bigboot_execute_shrink_lv: false
+
+    - name: Assert if we need to execute the shrink_lv role to gain free PE
+      ansible.builtin.assert:
+        that: (bigboot_lv_pe_size_in_mb[:-3] | int | round) | int > bigboot_size[:-1] | int
+        fail_msg: Not enough PE to expand /boot.
+
+  rescue:
+    - name: Set flag for Shrink_LV execution
+      ansible.builtin.set_fact:
+        bigboot_execute_shrink_lv: true
+