From 92749ddfe457474878dd85b0fbf188b98b2c137e Mon Sep 17 00:00:00 2001
From: Daniel Berteaud <daniel@firewall-services.com>
Date: Tue, 26 Jan 2021 17:00:07 +0100
Subject: [PATCH] Update to 2021-01-26 17:00

---
 roles/zfs/files/z_resume_scrubs  | 9 +++++++++
 roles/zfs/files/z_suspend_scrubs | 9 +++++++++
 roles/zfs/tasks/main.yml         | 7 +++++++
 3 files changed, 25 insertions(+)
 create mode 100644 roles/zfs/files/z_resume_scrubs
 create mode 100644 roles/zfs/files/z_suspend_scrubs

diff --git a/roles/zfs/files/z_resume_scrubs b/roles/zfs/files/z_resume_scrubs
new file mode 100644
index 0000000..97f1547
--- /dev/null
+++ b/roles/zfs/files/z_resume_scrubs
@@ -0,0 +1,9 @@
+#!/bin/bash -e
+
+# Resume all suspended pool scrubs
+for ZPOOL in $(zpool list -H -o name); do
+  if [ $(zpool status $ZPOOL | grep -c 'scrub paused') -ge 1 ]; then
+    echo scrub paused for pool $ZPOOL, resuming it
+    zpool scrub $ZPOOL
+  fi
+done
diff --git a/roles/zfs/files/z_suspend_scrubs b/roles/zfs/files/z_suspend_scrubs
new file mode 100644
index 0000000..496ffe5
--- /dev/null
+++ b/roles/zfs/files/z_suspend_scrubs
@@ -0,0 +1,9 @@
+#!/bin/bash -e
+
+# Suspend any running pool scrubs
+for ZPOOL in $(zpool list -H -o name); do
+  if [ $(zpool status $ZPOOL | grep -c 'scrub in progress') -ge 1 ]; then
+    echo scrub running for pool $ZPOOL, suspending it
+    zpool scrub -p $ZPOOL
+  fi
+done
diff --git a/roles/zfs/tasks/main.yml b/roles/zfs/tasks/main.yml
index 747a146..8004fb7 100644
--- a/roles/zfs/tasks/main.yml
+++ b/roles/zfs/tasks/main.yml
@@ -30,6 +30,13 @@
   template: src=recv-sudo.j2 dest=/etc/sudoers.d/zfs_recv owner=root group=root mode=440 validate='visudo -cf %s'
   tags: zfs
 
+- name: Deploy pool scrub suspend and resume scripts
+  copy: src={{ item }} dest=/usr/local/bin/{{ item }} mode=755
+  loop:
+    - z_suspend_scrubs
+    - z_resume_scrubs
+  tags: zfs
+
 - name: Deploy ssh keys for zfs-recv
   authorized_key:
     user: zfs-recv