Elasticsearch APB

This Ansible Playbook Bundle deploys Elasticsearch with the elasticsearch-cloud-kubernetes plugin for discovery. The deployment is done through StatefulSet.

Two plans have been defined:

• Ephemeral where there won't be any persistence and the Elascticsearch data will be lost upon restarts
• Persistent where PVCs will be created for each instance of Elasticsearch

Configuration

• cluster_size: Number of Elasticsearch instances that will be deployed. Default 1
• application_name: Name of the Elasticsearch cluster that will give name also to all the objects deployed. Default elasticsearch
• es_memory_limit: Memory limits to be set to the elasticsearch container. The half will be assigned to the Elasticsearch heap. Default 512Mi
• es_pvc_size: Size of each Persistent Volume Claim that will be defined. Default 1Gi (Only for the persistent plan)
• es_version: Dropdown to select the Elasticsearch version to deploy

Ansible Service Broker - Requirements

The elasticsearch-cloud-kubernetes plugin requires permissions to view the project's endpoints. A ServiceAccount with a RoleBinding are created for that during provisioning. In order for the ServiceAccount used by the APB during provisioning to be able to create RoleBindings, the Ansible Service Broker needs to be configured with the sandbox_role: "admin" as showned below:

    openshift:
      host: ""
      ca_file: ""
      bearer_token_file: ""
      image_pull_policy: "IfNotPresent"
      sandbox_role: "admin"
      namespace: ansible-service-broker

NOTE: Make sure your Ansible Service Broker is running with the property launch_apb_on_bind: true if you want to be able to customize the environment variable dynamically during bind

Host Requirements

https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html sudo sysctl -w vm.max_map_count=262144