ncp updates and motd. structure directoriesv0.1.0

1 files changed, 276 insertions, 0 deletions

diff --git a/etc/library.sh b/etc/library.sh
new file mode 100755
index 00000000..a9a4bc94
--- /dev/null
+++ b/etc/library.sh
@@ -0,0 +1,276 @@
+#!/bin/bash
+
+# Library to install software on Raspbian ARM through QEMU
+#
+# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
+# GPL licensed (see end of file) * Use at your own risk!
+#
+# More at ownyourbits.com
+#
+
+
+IMGNAME=$( basename $IMGFILE .img )_$( basename $INSTALL_SCRIPT .sh ).img
+CFGOUT=config_$( basename $INSTALL_SCRIPT .sh ).txt
+DBG=x
+
+# $IMGOUT will contain the name of the last step
+function launch_install_qemu()
+{
+  local IMG=$1
+  local IP=$2
+  [[ "$IP"      == ""  ]] && { echo "usage: launch_install_qemu <script> <img> <IP>"; return 1; }
+  test -f $IMG            || { echo "input file $IMG not found";                      return 1; }
+
+  local BASE=$( sed 's=-stage[[:digit:]]=='         <<< $IMG )
+  local NUM=$(  sed 's=.*-stage\([[:digit:]]\)=\1=' <<< $IMG )
+  [[ "$BASE" == "$IMG" ]] && NUM=0
+
+  local NUM_REBOOTS=$( grep -c reboot $INSTALL_SCRIPT )
+  while [[ $NUM_REBOOTS != -1 ]]; do
+    NUM=$(( NUM+1 ))
+    IMGOUT="$BASE-stage$NUM"
+    cp -v $IMG $IMGOUT || return 1 # take a copy of the input image for processing ( append "-stage1" )
+
+    launch_qemu $IMGOUT &
+    sleep 10
+    wait_SSH $IP
+    launch_installation_qemu $IP || return 1
+    wait 
+    IMG="$IMGOUT"
+    NUM_REBOOTS=$(( NUM_REBOOTS-1 ))
+  done
+  echo "$IMGOUT generated successfully"
+}
+
+function launch_qemu()
+{
+  local IMG=$1
+  test -f $1 || { echo "Image $IMG not found"; return 1; }
+  test -d qemu-raspbian-network || git clone https://github.com/nachoparker/qemu-raspbian-network.git
+  sed -i '30s/NO_NETWORK=1/NO_NETWORK=0/' qemu-raspbian-network/qemu-pi.sh
+  echo "Starting QEMU image $IMG"
+  ( cd qemu-raspbian-network && sudo ./qemu-pi.sh ../$IMG 2>/dev/null )
+}
+
+function ssh_pi()
+{
+  local IP=$1
+  local ARGS=${@:2}
+  local PIUSER=${PIUSER:-pi}
+  local PIPASS=${PIPASS:-raspberry}
+  local SSH=( ssh -q  -o UserKnownHostsFile=/dev/null\
+                      -o StrictHostKeyChecking=no\
+                      -o ServerAliveInterval=20\
+                      -o ConnectTimeout=20\
+                      -o LogLevel=quiet                  )
+  type sshpass &>/dev/null && local SSHPASS=( sshpass -p$PIPASS )
+  if [[ "${SSHPASS[@]}" == "" ]]; then
+    ${SSH[@]} ${PIUSER}@$IP $ARGS; 
+  else
+    ${SSHPASS[@]} ${SSH[@]} ${PIUSER}@$IP $ARGS 
+    local RET=$?
+    [[ $RET -eq 5 ]] && { ${SSH[@]} ${PIUSER}@$IP $ARGS; return $?; }
+    return $RET
+  fi
+}
+
+function wait_SSH()
+{
+  local IP=$1
+  echo "Waiting for SSH to be up on $IP..."
+  while true; do
+    ssh_pi $IP : && break
+    sleep 1
+  done
+  echo "SSH is up"
+}
+
+function launch_installation()
+{
+  local IP=$1
+  [[ "$INSTALLATION_CODE"  == "" ]] && { echo "Need to run config first"    ; return 1; }
+  [[ "$INSTALLATION_STEPS" == "" ]] && { echo "No installation instructions"; return 1; }
+  local PREINST_CODE="
+set -e$DBG
+sudo su
+set -e$DBG
+"
+  echo "Launching installation"
+  echo -e "$PREINST_CODE\n$INSTALLATION_CODE\n$INSTALLATION_STEPS" | ssh_pi $IP || { echo "Installation to $IP failed" && return 1; }
+  echo "configuration saved to $CFGOUT"
+}
+
+function launch_installation_qemu()
+{
+  local IP=$1
+  [[ "$NO_CFG_STEP"  != "1" ]] && local CFG_STEP=configure
+  [[ "$NO_CLEANUP"   != "1" ]] && local CLEANUP_STEP=cleanup
+  [[ "$NO_HALT_STEP" != "1" ]] && local HALT_STEP="nohup halt &>/dev/null &"
+  local INSTALLATION_STEPS="
+install
+$CFG_STEP
+$CLEANUP_STEP
+$HALT_STEP
+"
+  launch_installation $IP
+}
+
+function launch_installation_online()
+{
+  local IP=$1
+  [[ "$NO_CFG_STEP" != "1" ]]  && local CFG_STEP=configure
+  local INSTALLATION_STEPS="
+install
+$CFG_STEP
+"
+  launch_installation $IP
+}
+
+# Initializes $INSTALLATION_CODE
+function config()
+{
+  local INSTALL_SCRIPT="$1"
+  local BACKTITLE="NextCloudPi installer configuration"
+
+  type dialog &>/dev/null || { echo "please, install dialog for interactive configuration"; return 1; }
+
+  test -f "$INSTALL_SCRIPT" || { echo "file "$INSTALL_SCRIPT" not found"; return 1; }
+  local VARS=( $( grep "^[[:alpha:]]\+_=" "$INSTALL_SCRIPT" | cut -d= -f1 | sed 's|_$||' ) )
+  local VALS=( $( grep "^[[:alpha:]]\+_=" "$INSTALL_SCRIPT" | cut -d= -f2 ) )
+
+  [[ "$NO_CONFIG" == "1" ]] || test ${#VARS[@]} -eq 0 && { INSTALLATION_CODE="$( cat "$INSTALL_SCRIPT" )"; return; }
+
+  for i in `seq 1 1 ${#VARS[@]} `; do
+    local PARAM+="${VARS[$((i-1))]} $i 1 ${VALS[$((i-1))]} $i 15 60 0 "
+  done
+
+  local DIALOG_OK=0
+  local DIALOG_CANCEL=1
+  local DIALOG_ERROR=254
+  local DIALOG_ESC=255
+  local RET=0
+
+  while test $RET != 1 && test $RET != 250; do
+    local value
+    value=$( dialog --ok-label "Start" \
+                    --no-lines --backtitle "$BACKTITLE" \
+                    --form "Enter the desired configuration for $( basename "$INSTALL_SCRIPT" .sh )" \
+                    20 70 0 $PARAM \
+             3>&1 1>&2 2>&3 )
+    RET=$?
+
+    case $RET in
+      $DIALOG_CANCEL)
+        dialog \
+          --no-lines --clear \
+          --backtitle "$BACKTITLE" \
+          --yesno "Really quit?" 10 30
+        case $? in
+          $DIALOG_OK)
+            echo "Aborted"
+            return 1
+            ;;
+          $DIALOG_CANCEL)
+            RET=99
+            ;;
+        esac
+        ;;
+      $DIALOG_OK)
+        local RET=( $value )
+        for i in `seq 0 1 $(( ${#RET[@]} - 1 )) `; do
+          local SEDRULE+="s|^${VARS[$i]}_=.*|${VARS[$i]}_=${RET[$i]}|;"
+          local CONFIG+="${VARS[$i]}=${RET[$i]}\n"
+        done
+        break
+        ;;
+      $DIALOG_ERROR)
+        echo "ERROR!$value"
+        return 1
+        ;;
+      $DIALOG_ESC)
+        echo "ESC pressed."
+        return 1
+        ;;
+      *)
+        echo "Return code was $RET"
+        return 1
+        ;;
+    esac
+  done
+
+  INSTALLATION_CODE="$( sed $SEDRULE "$INSTALL_SCRIPT" )"
+  [[ "$CFGOUT" != "" ]] && echo -e "$CONFIG" > "$CFGOUT"
+}
+
+
+function install_script()
+{
+  (
+    local SCRIPT=$1
+    source ./$SCRIPT 
+    echo -e "Installing \e[1m$( basename $SCRIPT .sh )\e[0m"
+    set +x
+    install
+    cleanup
+  )
+}
+
+function configure_script()
+{
+  (
+    local SCRIPT=$1
+    cd /usr/local/etc/nextcloudpi-config.d/
+    config $SCRIPT || return 1                 # writes "$INSTALLATION_CODE"
+    echo -e "$INSTALLATION_CODE" > $SCRIPT     # save configuration
+    source ./$SCRIPT                           # load configuration
+    echo -e "Configuring \e[1m$( basename $SCRIPT .sh )\e[0m"
+    set +x
+    configure
+  )
+}
+
+function copy_to_image()
+{
+  local IMG=$1
+  local DST=$2
+  local SRC=${@: 3 }
+  local SECTOR=$( fdisk -l $IMG | grep Linux | awk '{ print $2 }' )
+  local OFFSET=$(( SECTOR * 512 ))
+
+  [ -f "$IMG" ] || { echo "no image"; return 1; }
+  mkdir -p tmpmnt
+  sudo mount $IMG -o offset=$OFFSET tmpmnt || return 1
+  sudo cp -v $SRC tmpmnt/$DST || return 1
+  sudo umount -l tmpmnt
+  rmdir tmpmnt &>/dev/null
+}
+
+function pack_image()
+{
+  local IMGOUT="$1"
+  local IMGNAME="$2"
+  local TARNAME=$( basename $IMGNAME .img ).tar.bz2
+  echo "copying $IMGOUT → $IMGNAME"
+  cp "$IMGOUT" "$IMGNAME" || return 1
+  echo "packing $IMGNAME → $TARNAME"
+  tar -I pbzip2 -cvf $TARNAME "$IMGNAME" &>/dev/null && \
+    echo -e "$TARNAME packed successfully"
+}
+
+# License
+#
+# This script is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This script is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this script; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+# Boston, MA  02111-1307  USA
+