From f8b645e133a5fe6a37c7a5c357069a33d1c6fc01 Mon Sep 17 00:00:00 2001
From: cpzengel <christian@sysops.de>
Date: Mon, 29 Mar 2021 19:13:11 +0200
Subject: [PATCH] Add files via upload

---
 ask.sh     | 40 ++++++++++++++++++++++++++++++++++++
 install.sh | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+)
 create mode 100644 ask.sh
 create mode 100644 install.sh

diff --git a/ask.sh b/ask.sh
new file mode 100644
index 0000000..b79413c
--- /dev/null
+++ b/ask.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+dialog --title "Would you like to preserve you existing ZFS Data from a previous Installation?" \
+--backtitle "Your Disks shall be formated!!!" \
+--yesno "Are you sure you want to preserve your ZFS Data?" 7 60
+
+# Get exit status
+# 0 means user hit [yes] button.
+# 1 means user hit [no] button.
+# 255 means user hit [Esc] key.
+response=$?
+case $response in
+   0) echo Your ZFS Data will be preserved;;
+   1) sudo zpool create -f -o autoexpand=on -o ashift=12 tank mirror sda sdb;; 
+   255) exit;;
+esac
+
+
+data=$(tempfile 2>/dev/null)
+
+# trap it
+trap "rm -f $data" 0 1 2 5 15
+
+# get password
+sudo dialog --title "Please set a Password for Terminal, Samba and Wireless Backup" \
+--clear \
+--passwordbox "Enter your password" 10 30 2> $data
+
+ret=$?
+
+# make decision
+case $ret in
+  0)
+	  echo "ubuntu:$(cat $data)" | sudo chpasswd
+	  (echo "$(cat $data)"; echo "$(cat $data)") | sudo smbpasswd -a ubuntu
+	  echo "Your Password for Terminal, Samba and Backupwireless is" && cat "$data";;
+  1)
+    echo "Cancel pressed.";;
+  255)
+    [ -s $data ] &&  cat $data || echo "ESC pressed."&&exit;;
+esac
diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..cc44708
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,60 @@
+#!/bin/sh
+# Set current Time
+sudo date -s "$(curl -s --head http://google.com.au | grep ^Date: | sed 's/Date: //g')"
+
+# Stop unattended Upgrades and wait to continue
+sudo /etc/init.d/unattended-upgrades stop
+i=0 
+tput sc 
+while sudo fuser /var/lib/dpkg/lock-frontend >/dev/null 2>&1 ; do
+     case $(($i % 4)) in
+         0 ) j="-" ;;
+         1 ) j="\\" ;;
+         2 ) j="|" ;;
+         3 ) j="/" ;;
+     esac
+     tput rc
+     echo -en "\r[$j] Waiting for unattended Upgrade to finish..." 
+     sleep 0.5
+     ((i=i+1)) 
+done
+
+# Install necessary Packages and ZFS
+sudo apt update
+sudo apt install -y samba zfs-dkms cockpit dialog 
+
+# Start ZFS Module before reboot
+sudo /sbin/modprobe zfs 
+
+# Set first Samba Password
+sudo smbpasswd -x ubuntu
+(echo NasBeery2020; echo NasBeery2020) |sudo smbpasswd -a ubuntu
+
+# Get ZFS Addon for Cockpit
+git clone https://github.com/optimans/cockpit-zfs-manager.git
+sudo cp -r cockpit-zfs-manager/zfs /usr/share/cockpit
+
+# Install zfs-auto-snapshot and change Retention from 24 to 48h and 12 to 3 Month for more sense of usage
+sudo apt install -y zfs-auto-snapshot
+sudo sed -i 's/24/48/g' /etc/cron.hourly/zfs-auto-snapshot
+sudo sed -i 's/12/3/g' /etc/cron.monthly/zfs-auto-snapshot
+
+# change hostname
+sudo sed -i 's/ubuntu/nasbeery/g' /etc/hostname
+
+# create Mirror and force Deletion of existing Data
+sudo zpool create -f -o autoexpand=on -o ashift=12 tank mirror sda sdb  
+
+# create Share with Compression, Samba share has to be in smb.conf to work with Snapshots later
+sudo zfs create -o compression=lz4 tank/share
+sudo chmod -R 770 /tank
+sudo chown -R ubuntu:root /tank
+
+# check Mirror to be online, otherwise Power Indicator like LED or Buzzer
+echo "PATH="/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin"\n*/1 * * * * root echo 14 > /sys/class/gpio/export 2> /dev/null;echo out > /sys/class/gpio/gpio14/direction ; zpool import -fa -d /dev/ > /dev/null; zpool list| grep -q ONLINE; echo \$? > /sys/class/gpio/gpio14/value" | sudo tee  "/etc/cron.d/raidled"
+
+# Add to smb.conf how ZFS Snapshots
+
+echo "[share]\ncomment = Main Share\npath = /tank/share\nread only = No\nvfs objects = shadow_copy2\nshadow: snapdir = .zfs/snapshot\nshadow: sort = desc\nshadow: format = -%Y-%m-%d-%H%M\nshadow: snapprefix = ^zfs-auto-snap_\(frequent\)\{0,1\}\(hourly\)\{0,1\}\(daily\)\{0,1\}\(monthly\)\{0,1\}\nshadow: delimiter = -20\n" | sudo tee -a "/etc/samba/smb.conf"
+
+sudo reboot