bigboot_setup_environment.yml

@@ -21,6 +21,11 @@
     - name: Set logical volume information
       ansible.builtin.import_tasks: tasks/capture_lv_device_details.yml
 
+    - name: Run pre-checks to verify environment
+      ansible.builtin.import_tasks: tasks/pre-checks.yml
+      when:
+        - bigboot_execute_bigboot | bool
+
     - name: Set environment for subsequent workflow nodes
       ansible.builtin.set_stats:
         aggregate: true

tasks/disable_systemd_services.yml

@@ -1,18 +1,18 @@
 ---
-- name: Save service state
+- name: "Save service state: {{ item }}"
   ansible.builtin.set_fact:
     bigboot_service_to_disable:
       service: "{{ ansible_facts['services'][item]['name'] }}"
       state: "{{ (ansible_facts['services'][item]['state'] == 'running') | ternary('started', 'stopped') }}"
       status: "{{ (ansible_facts['services'][item]['status'] == 'enabled') | ternary('true', 'false') }}"
 
-- name: Disable and stop service
+- name: "Disable and stop service: {{ item }}"
   ansible.builtin.service:
     name: "{{ item }}"
     state: stopped
     enabled: false
 
-- name: Log disabled service state
+- name: "Log disabled service state: {{ item }}"
   ansible.builtin.lineinfile:
     path: "{{ bigboot_disabled_services_log }}"
     line: "{{ item }},{{ bigboot_service_to_disable['state'] }},{{ bigboot_service_to_disable['status'] }}"

tasks/pre-checks.yml

@@ -0,0 +1,29 @@
+---
+- name: Get /boot mount information
+  ansible.builtin.set_fact:
+    bigboot_boot_mount: "{{ ansible_facts.mounts \
+      | selectattr('mount', 'equalto', '/boot') | first }}"
+
+- name: Set next partition after /boot
+  ansible.builtin.set_fact:
+    bigboot_next_device: "{{ bigboot_boot_mount['device'][:-1] }}{{ bigboot_boot_mount['device'][-1:] | int + 1 }}"
+
+- name: Capture partition information from fdisk
+  ansible.builtin.shell:
+    cmd: |
+      set -o pipefail
+      fdisk -l {{ bigboot_boot_mount['device'][:-1] }} | grep '{{ bigboot_next_device }}'
+    executable: /bin/bash
+  changed_when: false
+  failed_when: bigboot_fdisk_partition['rc'] not in [0, 141]
+  register: bigboot_fdisk_partition
+
+- name: Debug bigboot_fdisk_partition
+  ansible.builtin.debug:
+    var: bigboot_fdisk_partition
+
+- name: Assert that the partition following /boot is of type LVM
+  ansible.builtin.assert:
+    that: "'Linux LVM' in bigboot_fdisk_partition['stdout']"
+    success_msg: The partition following /boot is an LVM partition
+    fail_msg: The partition following /boot is NOT an LVM partition. Execution halted.