UrlsWorker/installAndRun.sh

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cd "${0%/*}" || (echo "Could not chdir to this script's dir!" && exit) # Change the working directory to the script's directory, when running from other location.
justInstall=0
if [[ $# -eq 1 ]]; then
justInstall=$1
elif [[ $# -gt 1 ]]; then
echo -e "Wrong number of arguments given: ${#}\nPlease execute it like: script.sh <justInstall: 0 | 1>"; exit 1
fi
# Check of the "inputData.txt" file exist, if not, ask to fill it.
inputDataFile="inputData.txt"
if [[ ! -f $inputDataFile ]]; then
echo -e "The file \"$inputDataFile\" does not exist. Going to create it..\n"
echo "Give the ID of this worker:"
read -r workerId
echo -e "\nGive the max-assignments-limit-per-batch for the Worker to handle: "
read -r maxAssignmentsLimitPerBatch
echo -e "\nGive the baseUrl of the controller (e.g.: http://IP:PORT/api/):"
read -r controllerBaseUrl
touch $inputDataFile
echo "$workerId,$maxAssignmentsLimitPerBatch,$controllerBaseUrl" >> $inputDataFile
echo -e "\n\n"
fi
gradleVersion="7.3.2"
if [[ justInstall -eq 0 ]]; then
if [ ! -d libs ]; then
mkdir libs || (echo -e "The directory \"libs\" could not be created! Exiting.." && exit 2)
fi
cd libs || exit 3
git clone https://github.com/LSmyrnaios/PublicationsRetriever.git # We assume there is no previously source-code here, if so, it will be overwritten.
# Keep a backup of the existing JAR file.
mv ./publications_retriever-1.0-SNAPSHOT.jar ./publications_retriever-1.0-SNAPSHOT_BACKUP.jar
cd PublicationsRetriever && sudo apt install -y maven && mvn clean install
# Copy the created JAR file to the top libs directory.
cp target/publications_retriever-1.0-SNAPSHOT.jar ../publications_retriever-1.0-SNAPSHOT.jar
# Delete the directory with the source-code.
cd ../ && rm -rf PublicationsRetriever
# Clean, (re)build and run the project.
cd ../
if [[ ! -d /opt/gradle/gradle-${gradleVersion} ]]; then
wget https://services.gradle.org/distributions/gradle-${gradleVersion}-bin.zip
echo -e "\nAsking for sudo, in order to install 'gradle'..\n"
sudo mkdir /opt/gradle
sudo apt install -y unzip && sudo unzip -d /opt/gradle gradle-${gradleVersion}-bin.zip
#ls /opt/gradle/gradle-${gradleVersion} # For debugging installation
fi
export PATH=$PATH:/opt/gradle/gradle-${gradleVersion}/bin
# Update the max-heap-size based on the machine's physical memory.
machine_memory_mb=$(grep MemTotal /proc/meminfo | awk '{print $2}' | xargs -I {} echo "scale=4; {}/1024" | bc) # It returns the size in MB.
max_heap_size_mb=$(echo "($machine_memory_mb - 896)/1" | bc) # Leave 896 MB to the system (the "()/1" is used to take the floor value).
# Now, we replace the "-Xmx" parameter inside the "./build.gradle" file, with "-Xmx${max_heap_size}m"
echo -e "\n\nThe max-heap-size (-Xmx) will be set to: ${max_heap_size_mb}m\n\n"
sed -i "s/'-Xmx[0-9]\+[gm]'/'-Xmx${max_heap_size_mb}m'/g" ./build.gradle
gradle wrapper --gradle-version=${gradleVersion} --distribution-type=bin
#gradle tasks # For debugging installation
#gradle -v # For debugging installation
gradle clean
gradle build
else
export PATH=$PATH:/opt/gradle/gradle-${gradleVersion}/bin # Make sure the gradle is still accessible (it usually isn't without the "export").
fi
gradle bootRun