From 9839cf066aeaa9c0dd509e1cbaee9e9264a337da Mon Sep 17 00:00:00 2001
From: Martin Winkler <efelon@winklerfamilie.eu>
Date: Fri, 5 Mar 2021 12:19:21 +0100
Subject: [PATCH] Sequence to setup and install a debian image for a raspberry
 pi 3b+ or 4

---
 seqs/debianrpi.sh | 194 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 194 insertions(+)
 create mode 100755 seqs/debianrpi.sh

diff --git a/seqs/debianrpi.sh b/seqs/debianrpi.sh
new file mode 100755
index 0000000..baca926
--- /dev/null
+++ b/seqs/debianrpi.sh
@@ -0,0 +1,194 @@
+#!/bin/bash
+
+#toolName=mytool
+toolDownSite="https://raspi.debian.net/tested-images"
+toolDownUrl=
+toolDownFile=
+
+SDDEV=
+SDBOOT=
+SDBOOTPUUID=
+SDROOT=
+SDROOTDEV=
+SDROOTPUUID=
+
+# Get script working directory
+# (when called from a different directory)
+WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
+CONFIG=0
+SCRIPT_NAME=$(basename -- $0)
+SCRIPT_NAME=${SCRIPT_NAME%%.*}
+CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
+CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
+
+#step_config() {
+#  echo "Called once before executing steps."
+  ## e.g. to source a config file manually:
+  #. "$CONFIG_FILE"
+  ## or to use sequencer api with global config file:
+  #initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
+  ## or to use sequencer api with profile config file support:
+  #initSeqConfig -p "$SCRIPT_NAME" "$CONFIG_FILE_TEMPLATE"
+  #if [ $? -eq 0 ] ; then
+  #  CONFIG=1
+  #fi
+#}
+
+step_1_info() {
+  echo "Download latest xz-compressed image [IMAGE FILE URL] [SD CARD DEVICE]"
+  echoinfo "$toolDownSite"
+}
+step_1_alias() { ALIAS="install"; }
+step_1() {
+  shift
+  SDDEV="$2"
+  if [ -z "$1" ] && [ $QUIET -eq 0 ] ; then
+    read -p "Provide image download url from $toolDownSite: " toolDownUrl
+  elif [ ! -z "$1" ] ; then
+    toolDownUrl="$1"
+  else
+    echoerr " [E] No image file provided for download"
+    exit -1
+  fi
+
+  toolDownFile="/tmp/${toolDownUrl//*\//}"
+  local downSha256="${toolDownUrl%.img.xz}.xz.sha256"
+  local downShaFile="${toolDownFile%.img.xz}.xz.sha256"
+
+  echo Url: ${toolDownUrl}
+  echo Sha256: $downSha256
+  echo "Files: $toolDownFile"
+  echo "       $downShaFile"
+
+  if [ ! -f "$downShaFile" ] ; then
+    exe wget -O "$downShaFile" "$downSha256"
+    endReturn -o $? "Error downloading $downShaFile"
+  fi
+
+  if [ ! -f "$toolDownFile" ] ; then
+    exe wget -O "$toolDownFile" "$toolDownUrl"
+    endReturn -o $? "Error downloading $downDownFile"
+  fi
+
+  echoseq " [I] Checking SHA256 checksum"
+  exe cd $(dirname "$toolDownFile")
+  exe sha256sum -c "$downShaFile" >>/dev/null 
+  endReturn -o $? "SHA256 checksum error"
+}
+
+step_2_info() { echo "Write image to device [DEVICE]"; }
+step_2() {
+  shift
+  if [ -z "$SDDEV" ] ; then
+    SDDEV="$1"
+  fi
+  read_sd_dev "$SDDEV"
+  # check if device was confirmed
+  if [ $? -ne 0 ] ; then
+    endReturn -o 1 "SD card device not found"
+  fi
+
+  echoseq " [I] Writing $(basename "$toolDownFile")"
+  exep "xzcat \"$toolDownFile\" | dd of=$SDDEV bs=64k oflag=dsync status=progress"
+  exe sync
+}
+
+step_3_info() { echo "Prepare SD card for first run"; }
+step_3() {
+  outColor green
+  cat <<PREPARE_EOF
+[I] Setup static IP
+    [etc/network/interfaces.d/eth0]
+
+#iface eth0 inet dhcp
+
+iface eth0 inet static
+  address 192.168.23.38/24
+  gateway 192.168.23.1
+  dns-nameserver 192.168.23.20
+  dns-search lan
+
+iface eth0 inet6 static
+  address fd23::38/72
+  gateway fd23::cece:1eff:fea5:433d/64
+  dns-nameserver fd23::20/72
+  dns-search lan
+
+[I] Setup dns nameserver
+    [etc/resolv.conf]
+
+nameserver 192.168.23.20
+nameserver fd23::20
+
+[I] Setup root ssh access
+    [etc/ssh/sshd_config]
+PermitRootLogin yes
+
+    [root/.ssh/authorized_keys]
+# Root login only possible with an ssh key
+
+PREPARE_EOF
+}
+
+step_10_info() { echo "Essential debian setup"; }
+step_10_alias() { ALIAS="setup"; }
+step_10() {
+  if [[ "$(uname)" =~ .*Rasp.* ]] ; then
+    echo Raspi
+  fi
+}
+
+read_sd_dev() {
+  local partExt=""
+  if [ ! -z "$1" ] ; then
+    SDBOOT=
+    SDROOT=
+    SDROOTDEV=
+    SDROOTPUUID=
+    SDBOOTPUUID=
+    SDDEV="$1"
+  elif [ -z $SDDEV ] || [ ! -b "$SDDEV" ] ; then
+    SDDEV=
+    SDBOOT=
+    SDROOT=
+    SDROOTDEV=
+    SDBOOTPUUID=
+    SDROOTPUUID=
+    echo " [I] Available devices:"
+    echo
+    exe lsblk -p
+    echo
+    exe read -p "Provide SD card device (e.g. /dev/sdb): " SDDEV
+  fi
+
+  if [ ! -b "$SDDEV" ] ; then
+    echoerr " [I] $SDDEV not a block device"
+    SDDEV=
+    return 1
+  fi
+ 
+  if [[ "$SDDEV" =~ .*blk.* ]] ; then
+    partExt="p"
+  fi 
+
+  if [ -z $SDBOOT ] ; then
+    SDBOOT=$(findmnt -no TARGET "${SDDEV}${partExt}${SDBOOTPARTNO}")
+  fi
+  if [ -z $SDBOOTPUUID ] ; then
+    IFS=\" read -r _ vPARTUUID _ < <(blkid "${SDDEV}${partExt}${SDBOOTPARTNO}" -s PARTUUID)
+    SDBOOTPUUID=$vPARTUUID
+  fi
+  SDROOTDEV=${SDDEV}${partExt}${SDROOTPARTNO}
+  if [ -z $SDROOT ] ; then
+    SDROOT=$(findmnt -no TARGET "${SDROOTDEV}")
+  fi
+  if [ -z $SDROOTPUUID ] ; then
+    SDROOTPUUID=$(findmnt -no PARTUUID "${SDROOTDEV}")
+  fi
+
+  return 0
+}
+SDBOOTPARTNO=1
+SDROOTPARTNO=2
+VERSION_SEQREV=12
+. /usr/local/bin/sequencer.sh