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install-evok.sh
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install-evok.sh
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#!/bin/bash
ask() {
# http://djm.me/ask
while true; do
if [ "${2:-}" = "Y" ]; then
prompt="Y/n"
default=Y
elif [ "${2:-}" = "N" ]; then
prompt="y/N"
default=N
else
prompt="y/n"
default=
fi
# Ask the question
read -p "$1 [$prompt] " REPLY
# Default?
if [ -z "$REPLY" ]; then
REPLY=$default
fi
# Check if the reply is valid
case "$REPLY" in
Y*|y*) return 0 ;;
N*|n*) return 1 ;;
esac
done
}
kernelget() {
kver=$(uname -r|cut -d\- -f1|tr -d '+'| tr -d '[A-Z][a-z]')
#echo "Verze '$1 $kver'"
if [[ $1 == $kver ]]
then
return 1
fi
local IFS=.
local i ver1=($1) ver2=($kver)
# fill empty fields in ver1 with zeros
for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
do
ver1[i]=0
done
for ((i=0; i<${#ver1[@]}; i++))
do
if [[ -z ${ver2[i]} ]]
then
# fill empty fields in ver2 with zeros
ver2[i]=0
fi
if ((10#${ver1[i]} > 10#${ver2[i]}))
then
return 1
fi
if ((10#${ver1[i]} < 10#${ver2[i]}))
then
return 0
fi
done
return 1
}
enable_ic2() {
#enable i2c for kernel after 3.18.5
if kernelget 3.18.5 ;then
echo "Using kernel newer than 3.18.5"
if ! grep -q 'device_tree_param=i2c1=on' /boot/config.txt ;then
echo -e "$(cat /boot/config.txt) \n\n#Enable i2c bus 1\ndevice_tree_param=i2c1=on" > /boot/config.txt
fi
else #comment out blacklisted i2c on kernel < 3.18.5
echo "Using kernel older than 3.18.5"
if ! grep -q '#blacklist i2c-bcm2708' /etc/modprobe.d/raspi-blacklist.conf ;then
sed -i '/blacklist i2c-bcm2708/s/^/#/g' /etc/modprobe.d/raspi-blacklist.conf
fi
fi
#load modules
if ! grep -q 'i2c-bcm2708' /etc/modules ;then
echo i2c-bcm2708 >> /etc/modules
fi
if ! grep -q 'i2c-dev' /etc/modules ;then
echo i2c-dev >> /etc/modules
fi
#load modules manually
modprobe i2c-bcm2708
modprobe i2c-dev
}
if [ "$EUID" -ne 0 ]; then
echo "Please run this script as root"
exit
fi
echo "Installing evok..."
enable_ic2
apt-get update
apt-get install -y python-ow python-pip make
pip install tornado toro jsonrpclib
if [ "$(pidof pigpiod)" ]
then
kill $(pidof pigpiod)
fi
#install pigpio
cd pigpio
make
make install
cd ..
#copy tornadorpc
cp -r tornadorpc_evok /usr/local/lib/python2.7/dist-packages/
#copy evok
cp -r evok/ /opt/
mkdir -p /var/www/evok && cp -r www/* /var/www/
#copy default config file and init scipts
if [ -f /etc/evok.conf ]; then
echo "/etc/evok.conf file already exists"
if ask "Do you want to overwrite your /etc/evok.conf file?"; then
cp etc/evok.conf /etc/
else
echo "Your current config file was not overwritten."
echo "Please see a diff between the new and your current config file."
fi
else
cp etc/evok.conf /etc/
fi
cp etc/init.d/evok /etc/init.d/
cp etc/init.d/pigpiod /etc/init.d/
chmod +x /etc/init.d/evok
chmod +x /etc/init.d/pigpiod
chmod +x /opt/evok/evok.py
update-rc.d pigpiod defaults
update-rc.d evok defaults
#backup uninstallation script
cp uninstall-evok.sh /opt/evok/
service pigpiod start
#service evok start
echo "Evok installed sucessfully."
echo "Info:"
echo " 1. Edit /etc/evok.conf file according to your choice."
echo " If you are running Apache, you must set either evok or apache port different than the other."
echo " 2. Run 'service evok start/restart/stop' to control the daemon."
echo " (3. To uninstall evok run /opt/evok/uninstall-evok.sh)"
if ask "Is it OK to reboot now?"; then
reboot
else
echo 'Remember to reboot your Raspberry Pi in order to start using Evok'
fi
echo ' '