We need a shell script to execute HTTP request on demand. This script shall read/parse text file and write/archive logs.
- get_script_dir : Get current folder path of this script
- echos : Write message to STDOut and log file
- archive_logs : Archive old logs to .tar
#!/bin/bash
# Functions
get_script_dir ()
{
SOURCE="${BASH_SOURCE[0]}"
# While $SOURCE is a symlink, resolve it
while [ -h "$SOURCE" ]; do
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
SOURCE="$( readlink "$SOURCE" )"
# If $SOURCE was a relative symlink (so no "/" as prefix, need to resolve it relative to the symlink base directory
[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
done
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
echo "$DIR/"
}
# DateFormat in log file : "[YYYY/MM/DD H:M:S]"
logDate=`date "+%Y%m%d"`
logFolder="$(get_script_dir)Logs/"
if [ ! -d $logFolder ]; then
mkdir $logFolder
fi
logFile="${logFolder}CGI_Controller_${logDate}.log"
# Append STD out to file additionaly
echos ()
{
logTime=`date "+%H:%M:%S"`
builtin echo "[$logTime] $@" | tee -a "$logFile"
}
archive_logs()
{
currentDate=`date "+%Y%m%d"`
array=( $( ls ${logFolder} ) )
# Explicitly report array content.
let i=0
while (( ${#array[@]} > i )); do
# echos "${i} ${array[i++]}"
if [[ ${array[i]} == CGI_Controller_$currentDate* ]] || [[ ${array[i]} == zips ]]; then
echos "The log is in the Current month, skipped it!"
else
# Get target year and month for sufix of archived file name
targetDate=`cut -d"_" -f 3 <<< "${array[i]}"`;
targetDate=`cut -d"." -f 1 <<< $targetDate`;
targetMonth="${targetDate:0:6}";
zipFolder="$(get_script_dir)Logs/zips/"
archivedFile="${zipFolder}Archived_${targetMonth}.tar.gz"
if [ ! -d $zipFolder ]; then
mkdir $zipFolder
fi
if [ -f "$archivedFile" ];then
tar -rf $archivedFile --directory="${logFolder}" "${array[i]}"
else
tar -cf $archivedFile --directory="${logFolder}" "${array[i]}"
fi
echos "Archive file ${array[i]} to ${archivedFile}";
rm "${logFolder}${array[i]}"
fi
((i++))
done
}
- Check if necessary files exist
- Check if parameter is valid
- Load setting file into an array
- Parsing settings and assemble CGI link
- Check server IP is UP
- Execute commands
# Main
# Check parameter number
if [ $# -ne 0 ]; then
cmdI=$1
else
echos "Parameter not found";
exit 3
fi
# CMD array for each NVR
declare -a cmdArray
# Check if setting file existed
file="$(get_script_dir)config.txt"
if [ -f "$file" ];then
echos "$file found";
else
echos "$file not found, please create one";
exit 4
fi
# Load file into array.
let i=0
while IFS=$'\n' read -r line_data; do
cmdArray[i]="${line_data}"
((++i))
done < $file
# Roll back to item number
((--i))
if [ $i -le 0 ];then
echos "No settings found in $file, please add CGI settings in this file. ([IP],[Path for Open],[Path for Close])";
exit 5
fi
# Explicitly report array content.
#let i=0
#while (( ${#cmdArray[@]} > i )); do
# printf "${i} ${cmdArray[i++]}\n"
#done
# Make sure command number is less than settings number
if [ $cmdI -lt $i ]; then
ip="$(cut -d';' -f1 <<<"${cmdArray[cmdI]}")"
openPath="$(cut -d';' -f2 <<<"${cmdArray[cmdI]}")"
closePath="$(cut -d';' -f3 <<<"${cmdArray[cmdI]}")"
printf "${cmdI} ${cmdArray[cmdI]}\n"
# Ping IP before executing it
ping -c 1 -W 1 ${ip} &> /dev/null && result=0 || result=1
if [ "${result}" == 0 ]; then
echos "Server ${ip} is UP.";
else
echos "Server ${ip} is DOWN.";
exit 6
fi
res="${logFolder}res"
echos "http://${ip}${openPath}";
wget -O $res "http://${ip}${openPath}";
echos `cat $res`;
# Delay 1 sec and then execute 2nd CGI command
sleep 1
echos "http://${ip}${closePath}";
wget -O $res "http://${ip}${closePath}";
echos `cat $res`;
rm $res;
else
echos "Parameter value is bigger than settings";
exit 7
fi
archive_logs
