From 47ff87b618d506f2a6e07d4a09b148ccb7b7032b Mon Sep 17 00:00:00 2001
From: Ryan Hamilton <ryanehamil@outlook.com>
Date: Tue, 27 May 2025 18:33:18 +0000
Subject: [PATCH] Add playbooks/check_unallocated_disk.yml

---
 playbooks/check_unallocated_disk.yml | 46 ++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 playbooks/check_unallocated_disk.yml

diff --git a/playbooks/check_unallocated_disk.yml b/playbooks/check_unallocated_disk.yml
new file mode 100644
index 0000000..d28826c
--- /dev/null
+++ b/playbooks/check_unallocated_disk.yml
@@ -0,0 +1,46 @@
+---
+- name: Check unallocated disk space
+  hosts: all
+  become: true
+  gather_facts: false
+
+  tasks:
+
+    - name: Get block device sizes
+      command: lsblk -b -o NAME,SIZE,TYPE -dn
+      register: lsblk_output
+
+    - name: Parse lsblk output into structured facts
+      set_fact:
+        disks: "{{ disks | default({}) | combine({ item.split()[0]: item.split()[1]|int }) }}"
+      loop: "{{ lsblk_output.stdout_lines }}"
+      when: "'disk' in item"
+
+    - name: Get partition sizes for each disk
+      command: lsblk -b -o NAME,SIZE,TYPE -n
+      register: partition_output
+
+    - name: Initialize disk usage map
+      set_fact:
+        used_space: "{{ used_space | default({}) }}"
+
+    - name: Sum partition sizes under each disk
+      set_fact:
+        used_space: >-
+          {{
+            used_space | combine({
+              (item.0): (used_space[item.0]|default(0)) + (item.1.split()[1]|int)
+            })
+          }}
+      with_nested:
+        - "{{ disks.keys() | list }}"
+        - "{{ partition_output.stdout_lines }}"
+      when: item.1.startswith(item.0) and 'part' in item.1
+
+    - name: Show disk usage summary
+      debug:
+        msg: >-
+          Disk /dev/{{ item.key }}: Total {{ item.value|int // 1024**3 }} GB,
+          Used {{ used_space[item.key]|default(0)|int // 1024**3 }} GB,
+          Unallocated {{ (item.value|int - used_space[item.key]|default(0)|int) // 1024**3 }} GB
+      loop: "{{ disks|dict2items }}"