opendistroforelasticsearch.sh

#!/usr/bin/env bash
# ref: https://opendistro.github.io/for-elasticsearch-docs/

HOME_DIR=$(pwd)
ES_FOLDER_NAME=opendistroforelasticsearch-1.13.2
ES_FILE_NAME=$ES_FOLDER_NAME-linux-x64.tar.gz
ES_HOME=/usr/local/opendistro/$ES_FOLDER_NAME

# Create config file
echo "# Elasticsearch configuration directory">> elasticsearch
echo "ES_PATH_CONF=$ES_HOME/config" >> elasticsearch
echo "" >> elasticsearch
echo "# Elasticsearch home directory" >> elasticsearch
echo "ES_HOME=$ES_HOME" >> elasticsearch

# Create systemd service
sed -i.bak "s/opendistroforelasticsearch-1.12.0/$ES_FOLDER_NAME/" elasticsearch.service

if [ ! -d /usr/local/opendistro ]; then
  sudo mkdir -p /usr/local/opendistro
  sudo chown pi:pi /usr/local/opendistro
fi

cd /usr/local/opendistro/

curl https://d3g5vo6xdbdb9a.cloudfront.net/tarball/opendistro-elasticsearch/$ES_FILE_NAME -o $ES_FILE_NAME
curl https://d3g5vo6xdbdb9a.cloudfront.net/tarball/opendistro-elasticsearch/$ES_FILE_NAME.sha512 -o $ES_FILE_NAME.sha512
if [[ ! `shasum -a 512 -c $ES_FILE_NAME.sha512` == "$ES_FILE_NAME: OK" ]]; then 
    echo "checksum does not Verify."
    exit 1
fi
tar -zxf $ES_FILE_NAME
cd $ES_FOLDER_NAME

echo "Remove knn plugin, do not work on Raspberry Pi"
rm -rf $ES_HOME/plugins/opendistro-knn

echo "Install openjdk-11"
rm -rf $ES_HOME/jdk
sudo apt-get install openjdk-11-jdk -y

echo "vm.max_map_count=262144" | sudo tee -a /etc/sysctl.conf

echo "Change elasticsearch data to /var/lib/elasticsearch"
echo "path.data: /var/lib/elasticsearch" | tee -a $ES_HOME/config/elasticsearch.yml

echo "Change elasticsearch log to /var/log/elasticsearch"
echo "path.logs: /var/log/elasticsearch" | tee -a $ES_HOME/config/elasticsearch.yml

echo "Copy systemd service"
sudo cp $HOME_DIR/elasticsearch.service /usr/lib/systemd/system/
sudo cp $HOME_DIR/elasticsearch /etc/default/

echo "Create data and log folders"
sudo mkdir /var/lib/elasticsearch
sudo mkdir /var/log/elasticsearch

echo "Create user elasticsearch"
sudo useradd --system --no-create-home elasticsearch

echo "Change all related folders"
sudo chown -R elasticsearch:elasticsearch $ES_HOME
sudo chown -R elasticsearch:elasticsearch /var/lib/elasticsearch

echo "Run install script by opendistro"
sudo cp $HOME_DIR/adapted-opendistro-install.sh $ES_HOME/
cd $ES_HOME
sudo su elasticsearch -c "bash adapted-opendistro-install.sh"

echo "Setup all done"
echo "To start Open Distro for Elasticsearch"
echo "sudo systemctl start elasticsearch.service"

echo "To run Open Distro for Elasticsearch when the system starts:"
echo "sudo /bin/systemctl daemon-reload"
echo "sudo /bin/systemctl enable elasticsearch.service"