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dump1090-tools-install.sh
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dump1090-tools-install.sh
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#!/bin/bash
# Installs dump-tools, collectd for dump1090 mutability on raspbian.
# The installer will:
# - create directories (with the permissions of the parent directory).
# - download the files and copy them with the correct permissions to the target directories.
# - create backup files whenever existing files are updated.
# - run as 'pi' user and use 'root' whenever if needed.
# - install 'collectd' and start it.
# - add the 'graphs-crontabjob.sh' script to crontab (scheduled every 5 minutes).
# - a copy of the original crontab is saved.
# - create graphs for the first time.
#
# Must be launched as user 'pi'.
#
# By ted.sluis@gmail.com
# Default user
user="pi"
# Test user.
if [ "x${user}" = "x${USER}" ]; then
echo "This script is launched by user $USER."
else
echo "Error: This script should have been launch by user $user."
exit 1;
fi
# Collectd installed?
echo "==============INSTALL:[collectd]================================="
check=$(dpkg-query -W -f='${Status} ${Version}\n' collectd)
echo $check
if [[ $check =~ ok ]]; then
echo "Collect $check"
else
sudo apt-get install -y collectd
fi
# RRDTOOL installed?
echo "==============INSTALL:[rrdtool]================================="
check=$(dpkg-query -W -f='${Status} ${Version}\n' rrdtool)
echo $check
if [[ $check =~ ok ]]; then
echo "rrdtool $check"
else
sudo apt-get install -y rrdtool
fi
# date time string
now=$(date +"%Y%m%d%H%M%S")
# change owner ship file or directory
CHANGEPERMISSIONS() {
path=$1
permission=$2
owner=$3
group=$4
# get path permissions, owner and group.
pathpermission="$(stat --format '%a' "$path")"
pathowner="$(stat --format '%U' "$path")"
pathgroup="$(stat --format '%G' "$path")"
# if someone else is owner, then use root privilege to change permissions
if [ "x${pathowner}" = "x${USER}" ]; then
if [ ! "x${pathpermission}" = "x${permission}" ]; then
echo "execute ($USER): chmod $permission $path (owner=$owner)"
chmod $permission $path
fi
if [ ! "x${pathgroup}" = "x${group}" ]; then
echo "execute ($USER): chgrp $group $path (owner=$owner)"
chgrp $group $path
fi
else
echo "execute (root): sudo chown $owner $path"
sudo chown $owner $path
if [ ! "x${pathpermission}" = "x${permission}" ]; then
echo "execute (root): sudo chmod $permission $path (owner=$owner)"
sudo chmod $permission $path
fi
if [ ! "x${pathgroup}" = "x${group}" ]; then
echo "execute (root): sudo chgrp $group $path (owner=$owner)"
sudo chgrp $group $path
fi
fi
}
# create directory
MKDIR(){
directorypath=$1
path="/"
# split directory path into subdirectories
# check if it exists, otherwise create it and set permissions
for subdirectory in $(echo $directorypath | tr "/" " ")
do
dir="$path$subdirectory/"
# create directory if it does not exists.
if [ ! -d "$dir" ]; then
permission=$( stat -c %a $path )
owner=$( stat -c %U $path )
group=$( stat -c %G $path )
# use root privilege if the current directory is not writable.
if [ ! -w "$path" ]; then
echo "execute (root): sudo mkdir $dir"
sudo mkdir $dir
else
echo "execute ($USER): mkdir $dir"
mkdir $dir
fi
CHANGEPERMISSIONS "$dir" "$permission" "$owner" "$group"
fi
path=$dir
done
}
# download file to target directory
GETFILE(){
websource=$1
targetfile=$2
permission=$3
file="${targetfile##*/}"
directory="${targetfile%/*}"
echo ""
echo "==============NEW FILE:[$file]========================================"
echo " websource=$websource"
echo " targetfile=$targetfile"
echo " permission=$permission"
echo " directory=$directory"
echo " file=$file."
# make directory if it does not exists.
MKDIR "$directory" "$permission"
#
owner=$( stat -c %U $directory )
group=$( stat -c %G $directory )
# move previous version if target file already exists.
if [ -e $targetfile ]; then
# use root privilege if the current directory or file is not writable.
if [ ! -w $directory ] || [ ! -w $targetfile ]; then
echo "execute (root): sudo mv $targetfile $targetfile.$now"
sudo mv $targetfile "$targetfile.$now"
else
echo "execute ($USER): mv $targetfile $targetfile.$now"
mv $targetfile "$targetfile.$now"
fi
CHANGEPERMISSIONS "$targetfile.$now" "$permission" "$owner" "$group"
fi
# use root privilege to download file from web to the target location if the current directory is not writable.
if [ ! -w "$directory" ]; then
echo "execute (root): sudo wget $websource -O $targetfile"
sudo wget $websource -O $targetfile
else
echo "execute ($USER): wget $websource -O $targetfile"
wget $websource -O $targetfile
fi
CHANGEPERMISSIONS "$targetfile" "$permission" "$owner" "$group"
}
# Download files, save in target directories and set permissions.
# Directories will be created with the same permissions, owner and group like the parent directories.
# Files will get the specified permissions.
GETFILE "https://raw.githubusercontent.com/tedsluis/dump1090-tools/master/collectd.conf" "/etc/collectd/collectd.conf" "644"
GETFILE "https://raw.githubusercontent.com/tedsluis/dump1090-tools/master/index.html" "/var/www/collectd/index.html" "644"
GETFILE "https://raw.githubusercontent.com/tedsluis/dump1090-tools/master/jquery.js" "/var/www/collectd/jquery.js" "644"
GETFILE "https://raw.githubusercontent.com/tedsluis/dump1090-tools/master/dump1090.db" "/home/pi/dump-tools/collectd/dump1090.db" "774"
GETFILE "https://raw.githubusercontent.com/tedsluis/dump1090-tools/master/dump1090.py" "/home/pi/dump-tools/collectd/dump1090.py" "775"
GETFILE "https://raw.githubusercontent.com/tedsluis/dump1090-tools/master/graphs-crontabjob.sh" "/home/pi/dump-tools/collectd/graphs-crontabjob.sh" "775"
GETFILE "https://raw.githubusercontent.com/tedsluis/dump1090-tools/master/make-graphs.sh" "/home/pi/dump-tools/collectd/make-graphs.sh" "775"
# Add graphs-crontabjob.sh to crontab
echo "==============ADD TO CRONTAB:[graphs-crontabjob.sh]=============="
echo "execute (root): sudo crontab -l > /home/pi/dump-tools/crontab.$now"
sudo touch "/home/pi/dump-tools/crontab.$now"
CHANGEPERMISSIONS "/home/pi/dump-tools/crontab.$now" "666" "pi" "pi"
sudo crontab -l > "/home/pi/dump-tools/crontab.$now"
echo "execute (root): sudo cp /home/pi/dump-tools/crontab.$now /home/pi/dump-tools/crontab"
sudo cp "/home/pi/dump-tools/crontab.$now" "/home/pi/dump-tools/crontab"
CHANGEPERMISSIONS "/home/pi/dump-tools/crontab" "666" "pi" "pi"
echo "execute (root): sed -i '/graphs-crontabjob.sh/d' /home/pi/dump-tools/crontab"
sudo sed -i '/graphs-crontabjob.sh/d' "/home/pi/dump-tools/crontab"
echo "execute (root): sudo echo '*/5 * * * * sudo /home/pi/dump-tools/collectd/graphs-crontabjob.sh >/dev/null' >> /home/pi/dump-tools/crontab"
sudo echo '*/5 * * * * sudo /home/pi/dump-tools/collectd/graphs-crontabjob.sh >/dev/null' >> "/home/pi/dump-tools/crontab"
echo "execute (root): sudo crontab /home/pi/dump-tools/crontab"
sudo crontab "/home/pi/dump-tools/crontab"
sudo rm "/home/pi/dump-tools/crontab"
# Restart collectd to initialize /etc/collectd/collectd.conf
echo "==============RESTART:[collectd]================================="
sudo /etc/init.d/collectd restart
# create graphs for the first time
echo "==============CREATE GRAPHS======================================"
/home/pi/dump-tools/collectd/graphs-crontabjob.sh
# Edit /etc/lighttpd/lighttpd.conf, change /var/www/html into /var/www
echo "==============EDIT:[/etc/lighttpd/lighttpd.conf]================="
echo "execute (root): sudo sed -i 's/server.document-root.*/server.document-root = \"/var/www\"/g' /etc/lighttpd/lighttpd.conf"
sudo sed -i 's/server.document-root.*/server.document-root = \"\/var\/www\"/g' "/etc/lighttpd/lighttpd.conf"
# Reload lighttpd web server
echo "==============RELOAD:[lighttpd]=================================="
echo "execute (root): sudo /etc/init.d/lighttpd force-reload"
sudo /etc/init.d/lighttpd force-reload