mirror of
https://github.com/Security-Onion-Solutions/securityonion.git
synced 2025-12-06 09:12:45 +01:00
55 lines
2.7 KiB
Plaintext
Executable File
55 lines
2.7 KiB
Plaintext
Executable File
|
|
#!/bin/bash
|
|
|
|
{%- if grains['role'] in ['so-node', 'so-searchnode', 'so-heavynode'] %}
|
|
{%- set ELASTICSEARCH_HOST = salt['pillar.get']('elasticsearch:mainip', '') -%}
|
|
{%- set ELASTICSEARCH_PORT = salt['pillar.get']('elasticsearch:es_port', '') -%}
|
|
{%- set LOG_SIZE_LIMIT = salt['pillar.get']('elasticsearch:log_size_limit', '') -%}
|
|
{%- elif grains['role'] in ['so-eval', 'so-managersearch', 'so-standalone'] %}
|
|
{%- set ELASTICSEARCH_HOST = salt['pillar.get']('manager:mainip', '') -%}
|
|
{%- set ELASTICSEARCH_PORT = salt['pillar.get']('manager:es_port', '') -%}
|
|
{%- set LOG_SIZE_LIMIT = salt['pillar.get']('manager:log_size_limit', '') -%}
|
|
{%- endif -%}
|
|
|
|
# Copyright 2014,2015,2016,2017,2018 Security Onion Solutions, LLC
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#. /usr/sbin/so-elastic-common
|
|
#. /etc/nsm/securityonion.conf
|
|
|
|
LOG="/opt/so/log/curator/so-curator-closed-delete.log"
|
|
|
|
# Check for 2 conditions:
|
|
# 1. Are Elasticsearch indices using more disk space than LOG_SIZE_LIMIT?
|
|
# 2. Are there any closed logstash-, or so- indices that we can delete?
|
|
# If both conditions are true, keep on looping until one of the conditions is false.
|
|
while [[ $(du -hs --block-size=1GB /nsm/elasticsearch/nodes | awk '{print $1}' ) -gt "{{LOG_SIZE_LIMIT}}" ]] &&
|
|
curl -s {{ELASTICSEARCH_HOST}}:{{ELASTICSEARCH_PORT}}/_cat/indices | grep -E "^ close (logstash-|so-)" > /dev/null; do
|
|
|
|
# We need to determine OLDEST_INDEX.
|
|
# First, get the list of closed indices that are prefixed with "logstash-" or "so-".
|
|
# For example: logstash-ids-YYYY.MM.DD
|
|
# Then, sort by date by telling sort to use hyphen as delimiter and then sort on the third field.
|
|
# Finally, select the first entry in that sorted list.
|
|
OLDEST_INDEX=$(curl -s {{ELASTICSEARCH_HOST}}:{{ELASTICSEARCH_PORT}}/_cat/indices | grep -E "^ close (logstash-|so-)" | awk '{print $2}' | sort -t- -k3 | head -1)
|
|
|
|
# Now that we've determined OLDEST_INDEX, ask Elasticsearch to delete it.
|
|
curl -XDELETE {{ELASTICSEARCH_HOST}}:{{ELASTICSEARCH_PORT}}/${OLDEST_INDEX}
|
|
|
|
# Finally, write a log entry that says we deleted it.
|
|
echo "$(date) - Used disk space exceeds LOG_SIZE_LIMIT ({{LOG_SIZE_LIMIT}} GB) - Index ${OLDEST_INDEX} deleted ..." >> ${LOG}
|
|
|
|
done
|