initial plugins

plugins/elasticsearch/compose/docker-compose.yml

@@ -0,0 +1,30 @@
+version: '3.7'
+
+services:
+
+  elasticsearch:
+    image: amazon/opendistro-for-elasticsearch:1.13.2
+    hostname: elasticsearch
+    restart: unless-stopped
+    ports:
+      - "${MISTBORN_BIND_IP}:9200:9200"
+    environment:
+      - discovery.type=single-node
+      - cluster.name=mistborn-cluster
+      - network.host=0.0.0.0
+      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
+      - bootstrap.memory_lock=true
+    volumes:
+      - ../../mistborn_volumes/extra/elasticsearch/init/internal_users.yml:/usr/share/elasticsearch/plugins/opendistro_security/securityconfig/internal_users.yml
+    ulimits:
+      memlock:
+        soft: -1
+        hard: -1
+      nofile:
+        soft: 65536
+        hard: 65536
+
+networks:
+  default:
+    external:
+      name: mistborn_default

plugins/elasticsearch/environment/environment.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+# Elasticsearch
+ELASTICSEARCH_PROD_FILE="$1"
+echo "MISTBORN_DEFAULT_PASSWORD=$MISTBORN_DEFAULT_PASSWORD" >> $ELASTICSEARCH_PROD_FILE
+chmod 600 $ELASTICSEARCH_PROD_FILE

plugins/elasticsearch/mistborn.plugin

@@ -0,0 +1,8 @@
+[DEFAULT]
+name = elasticsearch
+subdomain = elasticsearch
+compose = compose/docker-compose.yml
+service = service/plugin.service
+environment = environment/environment.sh
+resources = resources
+

plugins/elasticsearch/resources/files/internal_users.yml

@@ -0,0 +1,17 @@
+---
+# This is the internal user database
+# The hash value is a bcrypt hash and can be generated with plugin/tools/hash.sh
+
+_meta:
+  type: "internalusers"
+  config_version: 2
+
+# Define your internal users here
+
+mistborn:
+  hash: "__MISTBORN_HASH__"
+  reserved: true
+  backend_roles:
+  - "admin"
+  description: "Mistborn user"
+

plugins/elasticsearch/resources/init.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+
+if [[ -f "/opt/mistborn_volumes/extra/elasticsearch/init/internal_users.yml" ]]; then
+    echo "internal_users.yml exists. Proceeding."
+    exit 0
+fi
+
+mkdir -p /opt/mistborn_volumes/extra/elasticsearch/init/ >/dev/null 2>&1
+chmod -R +x /opt/mistborn_volumes/extra/elasticsearch/init/
+cp /opt/mistborn/scripts/services/elasticsearch/files/internal_users.yml /opt/mistborn_volumes/extra/elasticsearch/init/
+
+ELASTICSEARCH_MISTBORN_HASHED="$(docker run --rm amazon/opendistro-for-elasticsearch:1.12.0 bash /usr/share/elasticsearch/plugins/opendistro_security/tools/hash.sh -p ${MISTBORN_DEFAULT_PASSWORD} | tr -d '\n')"
+
+if [[ -z "${ELASTICSEARCH_MISTBORN_HASHED}" ]]; then 
+    echo "Elasticsearch password hash not generated properly"
+    exit 1;
+fi
+
+sed -i "s|__MISTBORN_HASH__|${ELASTICSEARCH_MISTBORN_HASHED}|" /opt/mistborn_volumes/extra/elasticsearch/init/internal_users.yml

plugins/elasticsearch/service/plugin.service

@@ -0,0 +1,22 @@
+[Unit]
+Description=Mistborn Elasticsearch Service
+Requires=Mistborn-base.service
+After=Mistborn-base.service
+PartOf=Mistborn-base.service
+
+[Service]
+Restart=always
+RestartSec=15
+User=root
+Group=docker
+PermissionsStartOnly=true
+# Shutdown container (if running) when unit is stopped
+ExecStartPre=/usr/sbin/sysctl -w vm.max_map_count=262144
+ExecStartPre=/opt/mistborn/scripts/wrappers/mistborn_docker.sh elasticsearch docker-compose -f /opt/mistborn/extra/elasticsearch.yml down
+# Start container when unit is started
+ExecStart=/opt/mistborn/scripts/wrappers/mistborn_docker.sh elasticsearch docker-compose -f /opt/mistborn/extra/elasticsearch.yml up --build
+# Stop container when unit is stopped
+ExecStop=/opt/mistborn/scripts/wrappers/mistborn_docker.sh elasticsearch docker-compose -f /opt/mistborn/extra/elasticsearch.yml down
+
+[Install]
+WantedBy=Mistborn-base.service