From 51c2c879cdf312071b2aa41769ef37203819ceff Mon Sep 17 00:00:00 2001
From: kneutron <50146127+kneutron@users.noreply.github.com>
Date: Sat, 4 Nov 2023 14:40:58 -0600
Subject: [PATCH] Fix missing zfs shares in samba config

---
 ZFS/zfs-fix-smb-conf.sh | 58 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 ZFS/zfs-fix-smb-conf.sh

diff --git a/ZFS/zfs-fix-smb-conf.sh b/ZFS/zfs-fix-smb-conf.sh
new file mode 100644
index 0000000..779ce9f
--- /dev/null
+++ b/ZFS/zfs-fix-smb-conf.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+# for suse, may also work on rhel-derived
+# Fix missing zfs shares in samba config
+# 2023.Nov kneutron
+
+conf=/etc/samba/smb.conf
+cp -v $conf /etc/samba/smb.conf.bak-$(date +%Y%m%d)'@'$(date +%H%M)
+
+template="
+# boojumfix
+[SHARENAME]
+   path = REPLACEME
+   writable = yes
+   guest ok = yes
+   guest only = no
+   create mode = 0777
+   directory mode = 0777
+
+"
+
+tmpfile=/tmp/fixsmb.tmp.txt
+>$tmpfile
+
+mods=0
+for zd in $(zfs get sharesmb |awk '$3=="on" {print $1}'); do
+  [ "$zd" = "" ] && break;
+  
+  mtpt=$(df |grep "$zd" |awk '{print $6}')  
+  echo "$zd = $mtpt"
+  
+#set -x
+# only if not already in smb.conf
+  if [ $(grep -c $mtpt $conf) -lt 1 ]; then
+    echo "$template" >$tmpfile
+
+    dasher=$(echo $zd |tr '/' '-')
+    
+    sed -i 's|SHARENAME|'$dasher'|g' $tmpfile
+    sed -i 's|REPLACEME|'$mtpt'|' $tmpfile
+    cat $tmpfile >> $conf
+
+    let mods=$mods+1
+  fi
+done
+
+cat $conf
+ls -l $conf
+echo "Modified $mods shares"
+
+if [ $mods -gt 0 ]; then 
+  msg="$(date) - $0 - Restarting samba service" 
+  logger $msg
+  echo "$msg"
+  systemctl restart smb
+fi
+
+zfs-show-my-shares.sh