add container_elk notes

active/container_elk/.env

@@ -0,0 +1,41 @@
+# Project namespace (defaults to the current folder name if not set)
+#COMPOSE_PROJECT_NAME=myproject
+
+
+# Password for the 'elastic' user (at least 6 characters)
+ELASTIC_PASSWORD=changeme
+
+
+# Password for the 'kibana_system' user (at least 6 characters)
+KIBANA_PASSWORD=changeme
+
+
+# Version of Elastic products
+STACK_VERSION=8.7.1
+
+
+# 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
+
+
+# Port to expose Kibana to the host
+KIBANA_PORT=5601
+
+
+# Increase or decrease based on the available host memory (in bytes)
+ES_MEM_LIMIT=1073741824
+KB_MEM_LIMIT=1073741824
+LS_MEM_LIMIT=1073741824
+
+
+# SAMPLE Predefined Key only to be used in POC environments
+ENCRYPTION_KEY=c34d38b3a14956121ff2170e5030b471551370178f43e5626eec58b04a30fae2

active/container_elk/elk-compose.yaml

@@ -0,0 +1,219 @@
+version: "3.8"
+
+
+volumes:
+  certs:
+    driver: local
+  esdata01:
+    driver: local
+  kibanadata:
+    driver: local
+  metricbeatdata01:
+    driver: local
+  filebeatdata01:
+    driver: local
+  logstashdata01:
+    driver: local
+
+
+networks:
+  default:
+    name: elastic
+    external: false
+
+
+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${KIBANA_PASSWORD} == x ]; then
+          echo "Set the KIBANA_PASSWORD environment variable in the .env file";
+          exit 1;
+        fi;
+        if [ ! -f config/certs/ca.zip ]; then
+          echo "Creating CA";
+          bin/elasticsearch-certutil ca --silent --pem -out config/certs/ca.zip;
+          unzip config/certs/ca.zip -d config/certs;
+        fi;
+        if [ ! -f config/certs/certs.zip ]; then
+          echo "Creating certs";
+          echo -ne \
+          "instances:\n"\
+          "  - name: es01\n"\
+          "    dns:\n"\
+          "      - es01\n"\
+          "      - localhost\n"\
+          "    ip:\n"\
+          "      - 127.0.0.1\n"\
+          "  - name: kibana\n"\
+          "    dns:\n"\
+          "      - kibana\n"\
+          "      - localhost\n"\
+          "    ip:\n"\
+          "      - 127.0.0.1\n"\
+          > config/certs/instances.yml;
+          bin/elasticsearch-certutil cert --silent --pem -out config/certs/certs.zip --in config/certs/instances.yml --ca-cert config/certs/ca/ca.crt --ca-key config/certs/ca/ca.key;
+          unzip config/certs/certs.zip -d config/certs;
+        fi;
+        echo "Setting file permissions"
+        chown -R root:root config/certs;
+        find . -type d -exec chmod 750 \{\} \;;
+        find . -type f -exec chmod 640 \{\} \;;
+        echo "Waiting for Elasticsearch availability";
+        until curl -s --cacert config/certs/ca/ca.crt https://es01:9200 | grep -q "missing authentication credentials"; do sleep 30; done;
+        echo "Setting kibana_system password";
+        until curl -s -X POST --cacert config/certs/ca/ca.crt -u "elastic:${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}
+    labels:
+      co.elastic.logs/module: elasticsearch
+    volumes:
+      - certs:/usr/share/elasticsearch/config/certs
+      - esdata01:/usr/share/elasticsearch/data
+    ports:
+      - ${ES_PORT}:9200
+    environment:
+      - node.name=es01
+      - cluster.name=${CLUSTER_NAME}
+      - discovery.type=single-node
+      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
+      - bootstrap.memory_lock=true
+      - xpack.security.enabled=true
+      - xpack.security.http.ssl.enabled=true
+      - xpack.security.http.ssl.key=certs/es01/es01.key
+      - xpack.security.http.ssl.certificate=certs/es01/es01.crt
+      - xpack.security.http.ssl.certificate_authorities=certs/ca/ca.crt
+      - xpack.security.transport.ssl.enabled=true
+      - xpack.security.transport.ssl.key=certs/es01/es01.key
+      - xpack.security.transport.ssl.certificate=certs/es01/es01.crt
+      - xpack.security.transport.ssl.certificate_authorities=certs/ca/ca.crt
+      - xpack.security.transport.ssl.verification_mode=certificate
+      - xpack.license.self_generated.type=${LICENSE}
+    mem_limit: ${ES_MEM_LIMIT}
+    ulimits:
+      memlock:
+        soft: -1
+        hard: -1
+    healthcheck:
+      test:
+        [
+          "CMD-SHELL",
+          "curl -s --cacert config/certs/ca/ca.crt https://localhost:9200 | grep -q 'missing authentication credentials'",
+        ]
+      interval: 10s
+      timeout: 10s
+      retries: 120
+
+  kibana:
+    depends_on:
+      es01:
+        condition: service_healthy
+    image: docker.elastic.co/kibana/kibana:${STACK_VERSION}
+    labels:
+      co.elastic.logs/module: kibana
+    volumes:
+      - certs:/usr/share/kibana/config/certs
+      - kibanadata:/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
+      - XPACK_SECURITY_ENCRYPTIONKEY=${ENCRYPTION_KEY}
+      - XPACK_ENCRYPTEDSAVEDOBJECTS_ENCRYPTIONKEY=${ENCRYPTION_KEY}
+      - XPACK_REPORTING_ENCRYPTIONKEY=${ENCRYPTION_KEY}
+    mem_limit: ${KB_MEM_LIMIT}
+    healthcheck:
+      test:
+        [
+          "CMD-SHELL",
+          "curl -s -I http://localhost:5601 | grep -q 'HTTP/1.1 302 Found'",
+        ]
+      interval: 10s
+      timeout: 10s
+      retries: 120
+
+  metricbeat01:
+    depends_on:
+      es01:
+        condition: service_healthy
+      kibana:
+        condition: service_healthy
+    image: docker.elastic.co/beats/metricbeat:${STACK_VERSION}
+    user: root
+    volumes:
+      - certs:/usr/share/metricbeat/certs
+      - metricbeatdata01:/usr/share/metricbeat/data
+      - "./metricbeat.yaml:/usr/share/metricbeat/metricbeat.yml:ro"
+      - "/var/run/docker.sock:/var/run/docker.sock:ro"
+      - "/sys/fs/cgroup:/hostfs/sys/fs/cgroup:ro"
+      - "/proc:/hostfs/proc:ro"
+      - "/:/hostfs:ro"
+    environment:
+      - ELASTIC_USER=elastic
+      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
+      - ELASTIC_HOSTS=https://es01:9200
+      - KIBANA_HOSTS=http://kibana:5601
+      - LOGSTASH_HOSTS=http://logstash01:9600
+
+  filebeat01:
+    depends_on:
+      es01:
+        condition: service_healthy
+    image: docker.elastic.co/beats/filebeat:${STACK_VERSION}
+    user: root
+    volumes:
+      - certs:/usr/share/filebeat/certs
+      - filebeatdata01:/usr/share/filebeat/data
+      - "./filebeat_ingest_data/:/usr/share/filebeat/ingest_data/"
+      - "./filebeat.yaml:/usr/share/filebeat/filebeat.yml:ro"
+      - "/var/lib/docker/containers:/var/lib/docker/containers:ro"
+      - "/var/run/docker.sock:/var/run/docker.sock:ro"
+    environment:
+      - ELASTIC_USER=elastic
+      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
+      - ELASTIC_HOSTS=https://es01:9200
+      - KIBANA_HOSTS=http://kibana:5601
+      - LOGSTASH_HOSTS=http://logstash01:9600
+
+  logstash01:
+    depends_on:
+      es01:
+        condition: service_healthy
+      kibana:
+        condition: service_healthy
+    image: docker.elastic.co/logstash/logstash:${STACK_VERSION}
+    labels:
+      co.elastic.logs/module: logstash
+    user: root
+    volumes:
+      - certs:/usr/share/logstash/certs
+      - logstashdata01:/usr/share/logstash/data
+      - "./logstash_ingest_data/:/usr/share/logstash/ingest_data/"
+      - "./logstash.conf:/usr/share/logstash/pipeline/logstash.conf:ro"
+    environment:
+      - xpack.monitoring.enabled=false
+      - ELASTIC_USER=elastic
+      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
+      - ELASTIC_HOSTS=https://es01:9200

active/container_elk/elk.md

@@ -0,0 +1,14 @@
+# Elk Stack
+
+## Install
+
+<https://www.elastic.co/blog/getting-started-with-the-elastic-stack-and-docker-compose>
+
+```bash
+# Copy over the files
+scp -rp active/container_elk/. elk:elk
+# SSH into the host
+ssh -t elk "cd elk ; bash --login"
+# Run the services
+docker compose -f elk-compose.yaml up
+```

active/container_elk/filebeat.yaml

@@ -0,0 +1,29 @@
+filebeat.inputs:
+- type: filestream
+  id: default-filestream
+  paths:
+    - ingest_data/*.log
+
+
+filebeat.autodiscover:
+  providers:
+    - type: docker
+      hints.enabled: true
+
+
+processors:
+  - add_docker_metadata: ~
+
+
+setup.kibana:
+  host: ${KIBANA_HOSTS}
+  username: ${ELASTIC_USER}
+  password: ${ELASTIC_PASSWORD}
+
+
+output.elasticsearch:
+  hosts: ${ELASTIC_HOSTS}
+  username: ${ELASTIC_USER}
+  password: ${ELASTIC_PASSWORD}
+  ssl.enabled: true
+  ssl.certificate_authorities: "certs/ca/ca.crt"

active/container_elk/logstash.conf

@@ -0,0 +1,24 @@
+input {
+  file {
+    #https://www.elastic.co/guide/en/logstash/current/plugins-inputs-file.html
+    #default is TAIL which assumes more data will come into the file.
+    #change to mode => "read" if the file is a compelte file.  by default, the file will be removed once reading is complete -- backup your files if you need them.
+    mode => "tail"
+    path => "/usr/share/logstash/ingest_data/*"
+  }
+}
+
+
+filter {
+}
+
+
+output {
+  elasticsearch {
+    index => "logstash-%{+YYYY.MM.dd}"
+    hosts=> "${ELASTIC_HOSTS}"
+    user=> "${ELASTIC_USER}"
+    password=> "${ELASTIC_PASSWORD}"
+    cacert=> "certs/ca/ca.crt"
+  }
+}

active/container_elk/metricbeat.yaml

@@ -0,0 +1,62 @@
+metricbeat.config.modules:
+  path: ${path.config}/modules.d/*.yml
+  reload.enabled: false
+
+
+metricbeat.modules:
+- module: elasticsearch
+  xpack.enabled: true
+  period: 10s
+  hosts: ${ELASTIC_HOSTS}
+  ssl.certificate_authorities: "certs/ca/ca.crt"
+  ssl.certificate: "certs/es01/es01.crt"
+  ssl.key: "certs/es01/es01.key"
+  username: ${ELASTIC_USER}
+  password: ${ELASTIC_PASSWORD}
+  ssl.enabled: true
+
+
+- module: logstash
+  xpack.enabled: true
+  period: 10s
+  hosts: ${LOGSTASH_HOSTS}
+
+
+- module: kibana
+  metricsets:
+    - stats
+  period: 10s
+  hosts: ${KIBANA_HOSTS}
+  username: ${ELASTIC_USER}
+  password: ${ELASTIC_PASSWORD}
+  xpack.enabled: true
+
+
+- module: docker
+  metricsets:
+    - "container"
+    - "cpu"
+    - "diskio"
+    - "healthcheck"
+    - "info"
+    #- "image"
+    - "memory"
+    - "network"
+  hosts: ["unix:///var/run/docker.sock"]
+  period: 10s
+  enabled: true
+
+
+processors:
+  - add_host_metadata: ~
+  - add_docker_metadata: ~
+
+
+output.elasticsearch:
+  hosts: ${ELASTIC_HOSTS}
+  username: ${ELASTIC_USER}
+  password: ${ELASTIC_PASSWORD}
+  ssl:
+    certificate: "certs/es01/es01.crt"
+    certificate_authorities: "certs/ca/ca.crt"
+    key: "certs/es01/es01.key"