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securityonion/salt/elasticsearch/tools/sbin_jinja/so-elasticsearch-cluster-space-total

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#!/bin/bash
#
# Copyright Security Onion Solutions LLC and/or licensed to Security Onion Solutions LLC under one
# or more contributor license agreements. Licensed under the Elastic License 2.0 as shown at
# https://securityonion.net/license; you may not use this file except in compliance with the
# Elastic License 2.0.
. /usr/sbin/so-common
{% from 'vars/globals.map.jinja' import GLOBALS %}
TOTAL_AVAILABLE_SPACE=0
# Wait for ElasticSearch to initialize
COUNT=0
ELASTICSEARCH_CONNECTED="no"
while [[ "$COUNT" -le 240 ]]; do
/usr/sbin/so-elasticsearch-query / -k --output /dev/null --silent --head --fail
if [ $? -eq 0 ]; then
ELASTICSEARCH_CONNECTED="yes"
break
else
((COUNT+=1))
sleep 1
fi
done
if [ "$ELASTICSEARCH_CONNECTED" == "no" ]; then
echo
echo -e "Connection attempt timed out. Unable to connect to ElasticSearch. \nPlease try: \n -checking log(s) in /var/log/elasticsearch/\n -running 'sudo docker ps' \n -running 'sudo so-elastic-restart'"
echo
exit 1
fi
# Set percentage of space to desired value, otherwise use a default value of 80 percent
if [[ "$1" != "" ]]; then
PERCENTAGE=$1
else
PERCENTAGE=80
fi
# Iterate through the output of _cat/allocation for each node in the cluster to determine the total available space
{% if GLOBALS.role == 'so-manager' %}
for i in $(/usr/sbin/so-elasticsearch-query _cat/allocation | grep -v {{ GLOBALS.manager }} | awk '{print $5}'); do
{% else %}
for i in $(/usr/sbin/so-elasticsearch-query _cat/allocation | awk '{print $5}'); do
{% endif %}
size=$(echo $i | grep -oE '[0-9].*' | awk '{print int($1+0.5)}')
unit=$(echo $i | grep -oE '[A-Za-z]+')
if [ $unit = "tb" ]; then
size=$(( size * 1024 ))
fi
TOTAL_AVAILABLE_SPACE=$(( TOTAL_AVAILABLE_SPACE + size ))
done
# Calculate the percentage of available space based on our previously defined value
PERCENTAGE_AVAILABLE_SPACE=$(( TOTAL_AVAILABLE_SPACE*PERCENTAGE/100 ))
echo "$PERCENTAGE_AVAILABLE_SPACE"