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Added Docker pieces.
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keithjjones committed May 12, 2022
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1 change: 1 addition & 0 deletions CHANGES
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v0.3.7 Added Docker pieces.
v0.3.6 Fixed a bug with the slash on the end of the ES url option.
v0.3.5 Removed need for trailing slash on ES URL.
v0.3.4 Made datastream names consistent with ES expectations if -d is used without an index name.
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23 changes: 23 additions & 0 deletions Readme.md
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Expand Up @@ -7,6 +7,7 @@ logs into [ElasticSearch's bulk load JSON format](https://www.elastic.co/guide/e
- [Introduction](#introduction)
- [Installation](#installation)
- [Elastic v8.0+](#elastic80)
- [Docker](#docker)
- [Upgrading zeek2es](#upgradingzeek2es)
- [ES Ingest Pipeline](#esingestpipeline)
- [Filtering Data](#filteringdata)
Expand Down Expand Up @@ -98,6 +99,28 @@ You can use `zeek2es.py` with the `--user` and `--passwd` command line options t
credentials to ES. You can also supply these options via the extra command line arguments for the helper
scripts.

### Docker <a name="docker" />

Probably the easiest way to use this code is through Docker. First, you will want to edit the lines
with `CHANGEME!!!` in the `.env` file to fit your environment. You will also need to edit the Elastic
password in `docker/zeek2es/entrypoint.sh` to match. It can be found after the `--passwd` option.
Next, you can change directory into the `docker` directory and type the following commands to bring
up a zeek2es and Elasticsearch cluster:

```
docker-compose build
dockr-compose up
```

Now you can put logs in the `VOLUME_MOUNT\logs` directory (`VOLUME_MOUNT` you set in the `.env` file).
When logs are CREATED in this directory, zeek2es will begin processing them and pushing them into Elasticsearch.
You can then login to https://localhost:5601 with the username and password you set up in the `.env` file.
By default there is a self signed certificate, but you can change that if you edit the docker compose files. Once inside
Kibana you will go to Stack Management->Data Views and create a data view for `logs*` with the timestamp `@timestamp`.
Now you will be able to go to Discover and start searching your logs! Your data is persistent, in the `VOLUME_MOUNT` directory.
If you would like to remove all data, just `rm -rf VOLUME_MOUNT`, substituting the directory you set into that remove command.
The next time you start your cluster it will be brand new for more data.

## Upgrading zeek2es <a name="upgradingzeek2es" />

Most upgrades should be as simple as copying the newer [zeek2es.py](zeek2es.py) over
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32 changes: 32 additions & 0 deletions docker/.env
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# Password for the 'elastic' user (at least 6 characters) CHANGEME!!!
ELASTIC_PASSWORD=elastic

# Password for the 'kibana_system' user (at least 6 characters) CHANGEME!!!
KIBANA_PASSWORD=elasticANDkibana

# Version of Elastic products
STACK_VERSION=8.1.3

# Set the cluster name
CLUSTER_NAME=docker-cluster

# Set to 'basic' or 'trial' to automatically start the 30-day trial
LICENSE=basic
#LICENSE=trial

# Port to expose Elasticsearch HTTP API to the host
ES_PORT=9200
#ES_PORT=127.0.0.1:9200

# Port to expose Kibana to the host
KIBANA_PORT=5601
#KIBANA_PORT=80

# Increase or decrease based on the available host memory (in bytes)
MEM_LIMIT=1073741824

# Project namespace (defaults to the current folder name if not set)
#COMPOSE_PROJECT_NAME=myproject

# Where the data directory resides for volumes CHANGEME!!!
VOLUME_MOUNT=./
Empty file added docker/data/.empty
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254 changes: 254 additions & 0 deletions docker/docker-compose.yml
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version: "2.2"

services:
setup:
image: docker.elastic.co/elasticsearch/elasticsearch:${STACK_VERSION}
volumes:
- certs:/usr/share/elasticsearch/config/certs
user: "0"
command: >
bash -c '
if [ x${ELASTIC_PASSWORD} == x ]; then
echo "Set the ELASTIC_PASSWORD environment variable in the .env file";
exit 1;
elif [ x${KIBANA_PASSWORD} == x ]; then
echo "Set the KIBANA_PASSWORD environment variable in the .env file";
exit 1;
fi;
if [ ! -f config/certs/ca.zip ]; then
echo "Creating CA";
bin/elasticsearch-certutil ca --silent --pem -out config/certs/ca.zip;
unzip config/certs/ca.zip -d config/certs;
fi;
if [ ! -f config/certs/certs.zip ]; then
echo "Creating certs";
echo -ne \
"instances:\n"\
" - name: es01\n"\
" dns:\n"\
" - es01\n"\
" - localhost\n"\
" ip:\n"\
" - 127.0.0.1\n"\
" - name: es02\n"\
" dns:\n"\
" - es02\n"\
" - localhost\n"\
" ip:\n"\
" - 127.0.0.1\n"\
" - name: es03\n"\
" dns:\n"\
" - es03\n"\
" - localhost\n"\
" ip:\n"\
" - 127.0.0.1\n"\
" - name: kibana\n"\
" dns:\n"\
" - kibana\n"\
" - localhost\n"\
" ip:\n"\
" - 127.0.0.1\n"\
> config/certs/instances.yml;
bin/elasticsearch-certutil cert --silent --pem -out config/certs/certs.zip --in config/certs/instances.yml --ca-cert config/certs/ca/ca.crt --ca-key config/certs/ca/ca.key;
unzip config/certs/certs.zip -d config/certs;
fi;
echo "Setting file permissions"
chown -R root:root config/certs;
find . -type d -exec chmod 750 \{\} \;;
find . -type f -exec chmod 640 \{\} \;;
echo "Waiting for Elasticsearch availability";
until curl -s --cacert config/certs/ca/ca.crt https://es01:9200 | grep -q "missing authentication credentials"; do sleep 30; done;
echo "Setting kibana_system password";
until curl -s -X POST --cacert config/certs/ca/ca.crt -u elastic:${ELASTIC_PASSWORD} -H "Content-Type: application/json" https://es01:9200/_security/user/kibana_system/_password -d "{\"password\":\"${KIBANA_PASSWORD}\"}" | grep -q "^{}"; do sleep 10; done;
echo "All done!";
'
healthcheck:
test: ["CMD-SHELL", "[ -f config/certs/es01/es01.crt ]"]
interval: 1s
timeout: 5s
retries: 120

es01:
depends_on:
setup:
condition: service_healthy
image: docker.elastic.co/elasticsearch/elasticsearch:${STACK_VERSION}
restart: "unless-stopped"
volumes:
- certs:/usr/share/elasticsearch/config/certs
- ${VOLUME_MOUNT}/data/es01:/usr/share/elasticsearch/data
ports:
- ${ES_PORT}:9200
environment:
- node.name=es01
- cluster.name=${CLUSTER_NAME}
- cluster.initial_master_nodes=es01,es02,es03
- discovery.seed_hosts=es02,es03
- ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
- bootstrap.memory_lock=true
- xpack.security.enabled=true
- xpack.security.http.ssl.enabled=true
- xpack.security.http.ssl.key=certs/es01/es01.key
- xpack.security.http.ssl.certificate=certs/es01/es01.crt
- xpack.security.http.ssl.certificate_authorities=certs/ca/ca.crt
- xpack.security.http.ssl.verification_mode=certificate
- xpack.security.transport.ssl.enabled=true
- xpack.security.transport.ssl.key=certs/es01/es01.key
- xpack.security.transport.ssl.certificate=certs/es01/es01.crt
- xpack.security.transport.ssl.certificate_authorities=certs/ca/ca.crt
- xpack.security.transport.ssl.verification_mode=certificate
- xpack.license.self_generated.type=${LICENSE}
mem_limit: ${MEM_LIMIT}
ulimits:
memlock:
soft: -1
hard: -1
healthcheck:
test:
[
"CMD-SHELL",
"curl -s --cacert config/certs/ca/ca.crt https://localhost:9200 | grep -q 'missing authentication credentials'",
]
interval: 10s
timeout: 10s
retries: 120

es02:
depends_on:
- es01
image: docker.elastic.co/elasticsearch/elasticsearch:${STACK_VERSION}
restart: "unless-stopped"
volumes:
- certs:/usr/share/elasticsearch/config/certs
- ${VOLUME_MOUNT}/data/es02:/usr/share/elasticsearch/data
environment:
- node.name=es02
- cluster.name=${CLUSTER_NAME}
- cluster.initial_master_nodes=es01,es02,es03
- discovery.seed_hosts=es01,es03
- bootstrap.memory_lock=true
- xpack.security.enabled=true
- xpack.security.http.ssl.enabled=true
- xpack.security.http.ssl.key=certs/es02/es02.key
- xpack.security.http.ssl.certificate=certs/es02/es02.crt
- xpack.security.http.ssl.certificate_authorities=certs/ca/ca.crt
- xpack.security.http.ssl.verification_mode=certificate
- xpack.security.transport.ssl.enabled=true
- xpack.security.transport.ssl.key=certs/es02/es02.key
- xpack.security.transport.ssl.certificate=certs/es02/es02.crt
- xpack.security.transport.ssl.certificate_authorities=certs/ca/ca.crt
- xpack.security.transport.ssl.verification_mode=certificate
- xpack.license.self_generated.type=${LICENSE}
mem_limit: ${MEM_LIMIT}
ulimits:
memlock:
soft: -1
hard: -1
healthcheck:
test:
[
"CMD-SHELL",
"curl -s --cacert config/certs/ca/ca.crt https://localhost:9200 | grep -q 'missing authentication credentials'",
]
interval: 10s
timeout: 10s
retries: 120

es03:
depends_on:
- es02
image: docker.elastic.co/elasticsearch/elasticsearch:${STACK_VERSION}
restart: "unless-stopped"
volumes:
- certs:/usr/share/elasticsearch/config/certs
- ${VOLUME_MOUNT}/data/es03:/usr/share/elasticsearch/data
environment:
- node.name=es03
- cluster.name=${CLUSTER_NAME}
- cluster.initial_master_nodes=es01,es02,es03
- discovery.seed_hosts=es01,es02
- bootstrap.memory_lock=true
- xpack.security.enabled=true
- xpack.security.http.ssl.enabled=true
- xpack.security.http.ssl.key=certs/es03/es03.key
- xpack.security.http.ssl.certificate=certs/es03/es03.crt
- xpack.security.http.ssl.certificate_authorities=certs/ca/ca.crt
- xpack.security.http.ssl.verification_mode=certificate
- xpack.security.transport.ssl.enabled=true
- xpack.security.transport.ssl.key=certs/es03/es03.key
- xpack.security.transport.ssl.certificate=certs/es03/es03.crt
- xpack.security.transport.ssl.certificate_authorities=certs/ca/ca.crt
- xpack.security.transport.ssl.verification_mode=certificate
- xpack.license.self_generated.type=${LICENSE}
mem_limit: ${MEM_LIMIT}
ulimits:
memlock:
soft: -1
hard: -1
healthcheck:
test:
[
"CMD-SHELL",
"curl -s --cacert config/certs/ca/ca.crt https://localhost:9200 | grep -q 'missing authentication credentials'",
]
interval: 10s
timeout: 10s
retries: 120

kibana:
depends_on:
es01:
condition: service_healthy
es02:
condition: service_healthy
es03:
condition: service_healthy
image: docker.elastic.co/kibana/kibana:${STACK_VERSION}
restart: "unless-stopped"
volumes:
- certs:/usr/share/kibana/config/certs
- ${VOLUME_MOUNT}/data/kibana:/usr/share/kibana/data
ports:
- ${KIBANA_PORT}:5601
environment:
- SERVERNAME=kibana
- ELASTICSEARCH_HOSTS=https://es01:9200
- ELASTICSEARCH_USERNAME=kibana_system
- ELASTICSEARCH_PASSWORD=${KIBANA_PASSWORD}
- ELASTICSEARCH_SSL_CERTIFICATEAUTHORITIES=config/certs/ca/ca.crt
- SERVER_SSL_ENABLED=true
- SERVER_SSL_KEY=/usr/share/kibana/config/certs/kibana/kibana.key
- SERVER_SSL_CERTIFICATE=/usr/share/kibana/config/certs/kibana/kibana.crt
- SERVER_SSL_CERTIFICATEAUTHORITIES=config/certs/ca/ca.crt
# - SERVER_SSL_PASSWORD=${KIBANA_CERT_PASSWORD}
mem_limit: ${MEM_LIMIT}
healthcheck:
test:
[
"CMD-SHELL",
"curl -s -I http://localhost:5601 | grep -q 'HTTP/1.1 302 Found'",
]
interval: 10s
timeout: 10s
retries: 120

zeek2es:
build:
context: ./zeek2es
dockerfile: Dockerfile
restart: "unless-stopped"
depends_on:
es01:
condition: service_healthy
es02:
condition: service_healthy
es03:
condition: service_healthy
volumes:
- ${VOLUME_MOUNT}/data/logs:/logs
entrypoint: /entrypoint.sh
tty: true

volumes:
certs:
driver: local
35 changes: 35 additions & 0 deletions docker/zeek2es/Dockerfile
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FROM ubuntu:focal

RUN apt-get -q update && \
DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
curl \
fswatch \
geoipupdate \
git \
iproute2 \
jq \
less \
net-tools \
parallel \
python3 \
python3-dev \
python3-pip \
python3-setuptools \
python3-wheel \
swig \
tcpdump \
tcpreplay \
termshark \
tshark \
vim \
wget && \
pip3 install --no-cache-dir pre-commit requests

# Clean up files
RUN apt-get clean && rm -rf /var/lib/apt/lists/* && rm -rf ~/.cache/pip

# Install zeek2es
RUN cd / && git clone https://github.com/corelight/zeek2es.git

COPY entrypoint.sh /entrypoint.sh
RUN chmod 755 /entrypoint.sh
3 changes: 3 additions & 0 deletions docker/zeek2es/entrypoint.sh
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#!/bin/bash

fswatch -m poll_monitor --event Created -r /logs | parallel -j 3 python3 /zeek2es/zeek2es.py {} --compress -g -l 5000 -d 25 -u https://es01:9200 --user elastic --passwd elastic :::: -

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