es_masternode.sh

#!/usr/bin/env bash

docker run --rm --ulimit nofile=65536:65536 --name esn01 -p 9200:9200 -v esdata01:/usr/share/elasticsearch/data --network elastic-network -e "node.name=esn01" -e "cluster.name=es-cluster" -e "cluster.initial_master_nodes=esn01" -e "bootstrap.memory_lock=true" --ulimit memlock=-1:-1 -e ES_JAVA_OPTS="-Xms2g -Xmx2g" docker.elastic.co/elasticsearch/elasticsearch:7.3.0


# Create the master node for our cluster
# NB we increase max file descriptors to 65536 using the nofile argument

# Expected Output should be similar to this

# {“type”: “server”, “timestamp”: “2019–08–18T13:40:18,575+0000”, “level”: “INFO”, “component”: “o.e.n.Node”, “cluster.name”: “docker-cluster”, “node.name”: “esn01”, “cluster.uuid”: “ilHqkY4UQuSRYnE5hFbhBg”, “node.id”: “KKnVMTDwQR6tinaGW_8kKg”, “message”: “started” }

es_network.sh

#!/usr/bin/env bash

docker network create elastic-network # create a network for nodes to communicate across

es_second_node.sh

#!/usr/bin/env bash

docker run --rm --ulimit nofile=65536:65536 --name esn02 -p 9202:9200 -v esdata02:/usr/share/elasticsearch/data --network elastic-network -e "node.name=esn02" -e "cluster.name=es-cluster" -e "discovery.seed_hosts=esn01" -e "bootstrap.memory_lock=true" --ulimit memlock=-1:-1 -e ES_JAVA_OPTS="-Xms1g -Xmx1g" docker.elastic.co/elasticsearch/elasticsearch:7.3.0

# second node in our elasticsearch cluster

es_third_node.sh

#!/usr/bin/env bash

docker run --rm --ulimit nofile=65536:65536 --name esn03 -p 9203:9200 -v esdata03:/usr/share/elasticsearch/data --network elastic-network -e "node.name=esn03" -e "cluster.name=es-cluster" -e "discovery.seed_hosts=esn01,esn02" -e "bootstrap.memory_lock=true" --ulimit memlock=-1:-1 -e ES_JAVA_OPTS="-Xms1g -Xmx1g" docker.elastic.co/elasticsearch/elasticsearch:7.3.0

# Third node in our elasticsearch cluster

health_check.sh

#!/usr/bin/env bash

curl localhost:9200

# Expected output
# {
#     "name" : "esn01",
#     "cluster_name" : "es-cluster",
#     "cluster_uuid" : "ilHqkY4UQuSRYnE5hFbhBg",
#     "version" : {
#         "number" : "7.3.0",
#         "build_flavor" : "default",
#         "build_type" : "docker",
#         "build_hash" : "de777fa",
#         "build_date" : "2019–07–24T18:30:11.767338Z",
#         "build_snapshot" : false,
#         "lucene_version" : "8.1.0",
#         "minimum_wire_compatibility_version" : "6.8.0",
#         "minimum_index_compatibility_version" : "6.0.0-beta1"
#     },
#     "tagline" : "You Know, for Search"
# }

curl localhost:9202/_cluster/health?pretty

# Expected output
# {
#     "cluster_name" : "es-cluster",
#     "status" : "green",
#     "timed_out" : false,
#     "number_of_nodes" : 3,
#     "number_of_data_nodes" : 3,
#     "active_primary_shards" : 0,
#     "active_shards" : 0,
#     "relocating_shards" : 0,
#     "initializing_shards" : 0,
#     "unassigned_shards" : 0,
#     "delayed_unassigned_shards" : 0,
#     "number_of_pending_tasks" : 0,
#     "number_of_in_flight_fetch" : 0,
#     "task_max_waiting_in_queue_millis" : 0,
#     "active_shards_percent_as_number" : 100.0
# }

curl localhost:9203/_cat/nodes?v

# Expected output
# ip heap.percent ram.percent cpu load_1m load_5m load_15m node.role master name
# {ipaddress} 26 56 3 0.01 0.16 0.17 dim * esn01
# {ipaddress} 13 56 1 0.01 0.16 0.17 dim — esn03
# {ipaddress} 20 56 2 0.01 0.16 0.17 dim — esn02

kibana_setup.sh

#!/usr/bin/env bash

docker run --rm --link esn01:elasticsearch --name kibana --network elastic-network -p 5601:5601 docker.elastic.co/kibana/kibana:7.3.0