Add Wazuh-Elasticsearch (#106)

elasticsearch/Dockerfile

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+# Wazuh App Copyright (C) 2019 Wazuh Inc. (License GPLv2)
+FROM docker.elastic.co/elasticsearch/elasticsearch:6.5.4
+
+ENV ALERTS_SHARDS="1" \
+    ALERTS_REPLICAS="0"
+
+ENV API_USER="foo" \
+    API_PASS="bar"
+
+ENV TEMPLATE_VERSION=v3.8.2
+
+ADD https://raw.githubusercontent.com/wazuh/wazuh/$TEMPLATE_VERSION/extensions/elasticsearch/wazuh-elastic6-template-alerts.json /usr/share/elasticsearch/config
+
+COPY config/entrypoint.sh /entrypoint.sh
+
+RUN chmod 755 /entrypoint.sh
+
+COPY --chown=elasticsearch:elasticsearch ./config/load_settings.sh ./
+
+RUN chmod +x ./load_settings.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["elasticsearch"]

elasticsearch/config/entrypoint.sh

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+#!/bin/bash
+# Wazuh App Copyright (C) 2019 Wazuh Inc. (License GPLv2)
+
+# For more information https://github.com/elastic/elasticsearch-docker/blob/6.5.4/build/elasticsearch/bin/docker-entrypoint.sh
+
+set -e
+
+# Files created by Elasticsearch should always be group writable too
+umask 0002
+
+run_as_other_user_if_needed() {
+  if [[ "$(id -u)" == "0" ]]; then
+    # If running as root, drop to specified UID and run command
+    exec chroot --userspec=1000 / "${@}"
+  else
+    # Either we are running in Openshift with random uid and are a member of the root group
+    # or with a custom --user
+    exec "${@}"
+  fi
+}
+
+# Run load settings script.
+
+./load_settings.sh &
+
+# Execute elasticsearch
+
+run_as_other_user_if_needed /usr/share/elasticsearch/bin/elasticsearch 

elasticsearch/config/load_settings.sh

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+#!/bin/bash
+# Wazuh App Copyright (C) 2019 Wazuh Inc. (License GPLv2)
+
+set -e
+
+if [ "x${ELASTICSEARCH_URL}" = "x" ]; then
+  el_url="http://elasticsearch:9200"
+else
+  el_url="${ELASTICSEARCH_URL}"
+fi
+
+until curl -XGET $el_url; do
+  >&2 echo "Elastic is unavailable - sleeping"
+  sleep 5
+done
+
+>&2 echo "Elastic is up - executing command"
+
+#Insert default templates
+
+sed -i 's|    "index.refresh_interval": "5s"|    "index.refresh_interval": "5s",    "number_of_shards" :   '"${ALERTS_SHARDS}"',    "number_of_replicas" : '"${ALERTS_REPLICAS}"'|' /usr/share/elasticsearch/config/wazuh-elastic6-template-alerts.json
+
+cat /usr/share/elasticsearch/config/wazuh-elastic6-template-alerts.json | curl -XPUT "$el_url/_template/wazuh" -H 'Content-Type: application/json' -d @-
+sleep 5
+
+
+API_PASS_Q=`echo "$API_PASS" | tr -d '"'`
+API_USER_Q=`echo "$API_USER" | tr -d '"'`
+API_PASSWORD=`echo -n $API_PASS_Q | base64`
+
+echo "Setting API credentials into Wazuh APP"
+CONFIG_CODE=$(curl -s -o /dev/null -w "%{http_code}" -XGET $el_url/.wazuh/wazuh-configuration/1513629884013)
+if [ "x$CONFIG_CODE" = "x404" ]; then
+  curl -s -XPOST $el_url/.wazuh/wazuh-configuration/1513629884013 -H 'Content-Type: application/json' -d'
+  {
+    "api_user": "'"$API_USER_Q"'",
+    "api_password": "'"$API_PASSWORD"'",
+    "url": "https://wazuh",
+    "api_port": "55000",
+    "insecure": "true",
+    "component": "API",
+    "cluster_info": {
+      "manager": "wazuh-manager",
+      "cluster": "Disabled",
+      "status": "disabled"
+    },
+    "extensions": {
+      "oscap": true,
+      "audit": true,
+      "pci": true,
+      "aws": true,
+      "virustotal": true,
+      "gdpr": true,
+      "ciscat": true
+    }
+  }
+  ' > /dev/null
+else
+  echo "Wazuh APP already configured"
+fi
+sleep 5
+
+curl -XPUT "$el_url/_cluster/settings" -H 'Content-Type: application/json' -d'
+{
+  "persistent": {
+    "xpack.monitoring.collection.enabled": true
+  }
+}
+'
+
+echo "Elasticsearch is ready."