#!/bin/bash
# Copyright 2014-2022 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/>.

{%- set mainint = salt['pillar.get']('host:mainint') %}
{%- set MYIP = salt['grains.get']('ip_interfaces:' ~ mainint)[0] %}

default_conf_dir=/opt/so/conf
ELASTICSEARCH_HOST="{{ MYIP }}"
ELASTICSEARCH_PORT=9200
#ELASTICSEARCH_AUTH=""

# Define a default directory to load pipelines from
FB_MODULE_YML="/usr/share/filebeat/module-setup.yml"


# Wait for ElasticSearch to initialize
echo -n "Waiting for ElasticSearch..."
COUNT=0
ELASTICSEARCH_CONNECTED="no"
while [[ "$COUNT" -le 240 ]]; do
        {{ ELASTICCURL }} -k --output /dev/null --silent --head --fail -L https://"$ELASTICSEARCH_HOST":"$ELASTICSEARCH_PORT"
        if [ $? -eq 0 ]; then
                ELASTICSEARCH_CONNECTED="yes"
                echo "connected!"
                break
        else
                ((COUNT+=1))
                sleep 1
                echo -n "."
        fi
done
if [ "$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
fi
echo "Testing to see if the pipelines are already applied"
ESVER=$({{ ELASTICCURL }} -sk https://"$ELASTICSEARCH_HOST":"$ELASTICSEARCH_PORT" |jq .version.number |tr -d \")
PIPELINES=$({{ ELASTICCURL }} -sk https://"$ELASTICSEARCH_HOST":"$ELASTICSEARCH_PORT"/_ingest/pipeline/filebeat-$ESVER-elasticsearch-server-pipeline | jq . | wc -c)

if [[ "$PIPELINES" -lt 5 ]] || [ "$2" != "--force" ]; then
  echo "Setting up ingest pipeline(s)"
{% from 'filebeat/modules.map.jinja' import MODULESMERGED with context %}
{% for module in MODULESMERGED.modules.keys() %}
  {% for fileset in MODULESMERGED.modules[module] %}
    {#% if MODULESMERGED.modules[module][fileset].get('enabled', False) %#}
      echo "{{ module }}.{{ fileset}}"
      docker exec -i so-filebeat filebeat setup --pipelines --modules {{ module }} -M "{{ module }}.{{ fileset }}.enabled=true" -c $FB_MODULE_YML
      sleep 0.5
    {#% endif %#}
  {% endfor %}
{% endfor %}
else
  exit 0
fi