From bda1e73e71b68d6b56da7093f44114f7a1fce8a7 Mon Sep 17 00:00:00 2001
From: Chris Hammer <chris@thezengarden.net>
Date: Wed, 27 Aug 2025 13:33:09 -0400
Subject: [PATCH] Add hung NFS share management

---
 tasks/hung_nfs_check.yml | 38 ++++++++++++++++++++++++++++++++++++++
 tasks/main.yml           |  3 +++
 2 files changed, 41 insertions(+)
 create mode 100644 tasks/hung_nfs_check.yml

diff --git a/tasks/hung_nfs_check.yml b/tasks/hung_nfs_check.yml
new file mode 100644
index 0000000..5ce47d0
--- /dev/null
+++ b/tasks/hung_nfs_check.yml
@@ -0,0 +1,38 @@
+---
+- name: Check for mounted NFS shares # noqa: command-instead-of-module
+  ansible.builtin.command: mount -t nfs,nfs4
+  register: lazy_reboot_nfs_mounts
+  changed_when: false
+  failed_when: lazy_reboot_nfs_mounts['rc'] not in [0, 32]
+
+- name: Create a list of NFS mount points
+  ansible.builtin.set_fact:
+    lazy_reboot_nfs_list:
+      "{{ lazy_reboot_nfs_mounts['stdout_lines'] | map('split') | map(attribute=2) | list }}"
+
+- name: Verify mount status and reboot host
+  block:
+    - name: Verify mount status
+      ansible.builtin.command: "ls {{ item }}"
+      timeout: 5
+      changed_when: false
+      register: r_lazy_reboot_verify_mounts
+      loop: "{{ lazy_reboot_nfs_list }}"
+      loop_control:
+        label: "{{ item }}"
+
+  rescue:
+    - name: Group shares that failed status check
+      ansible.builtin.set_fact:
+        lazy_reboot_failed_shares:
+          "{{ r_lazy_reboot_verify_mounts['results'] | selectattr('failed') | map(attribute='item') | list }}"
+
+    - name: Lazily unmount the failed shares
+      ansible.builtin.command: "umount -f -l {{ item }}"
+      changed_when: false
+      register: r_lazy_unmount
+      async: 30
+      poll: 0
+      loop: "{{ lazy_reboot_failed_shares }}"
+      loop_control:
+        label: "{{ item }}"
diff --git a/tasks/main.yml b/tasks/main.yml
index ae320e4..82c5d9d 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -1,4 +1,7 @@
 ---
+- name: Check for hung NFS mounts
+  ansible.builtin.include_tasks: hung_nfs_check.yml
+
 - name: Capture initial boot ID
   ansible.builtin.slurp:
     src: "{{ verified_reboot_bootid_file }}"