Solr Configuration as Master or Slave

Summary

This role:

• Configures Solr on Centos 7, Ubuntu or Windows host to be master or slave.

Requirements

• Minimal Version of the ansible for installation: 2.7
• Java 8
• Solr installed
• Supported OS:
  • CentOS
    • 7
  • Debian
    • "Stretch"
  • Ubuntu
    • "Xenial"
    • "Bionic"
  • Windows
    • "Windows Server 2008"
    • "Windows Server 2008 R2"
    • "Windows Server 2012"
    • "Windows Server 2012 R2"
    • "Windows Server 2016"
    • "Windows Server 2019"
    • "Windows 7"
    • "Windows 8.1"
    • "Windows 10"

Prepared Windows System

Role Variables

• solr_instance_type - determines solr instance type

  default: master

• solr_version - matches available version on https://archive.apache.org/dist/lucene/solr/. Tested versions 5.3-8.x

  default: 8.0.0

• solr_config_lines - configuration for master/slave configuration (depends on OS type and solr_instance_type)

• solr_master_generated_url - URL for master replication. Configured for slave nodes

  default: {{ (solr_ssl_enabled) | ternary('https', 'http') }}://\ {{ solr_master_defined_host | default(groups[(master_group | default('solr_master'))]|first) }}:\ {{ solr_port }}/solr/${solr.core.name}/replication

• solr_dest_main_path - root directory to store solr folder

  default: /opt for Linux

  default: C:\Solr for Windows

• solr_dest_path - solr folder path

  default: {{ dest_main_path }}/solr-{{ solr_version }}

• solr_configset_path - solr configset folder path

  default: {{ solr_home }}/configsets for Linux

  default: {{ solr_dest_path }}\server\solr\configsets for Windows

• solr_service_name - solr service name

  default: solr

• solr_with_systemd - to run solr as a service

  default: True

• solr_service_start - to start solr service in the end of role/Playbook

  default: True

• configset_list - list of configset directories

  default: - default

• auto_populate_configset_list - get all configset directories automatically

  default: True

• solr_master_defined_host - solr master host name. If defined - it will be used, else first server from solr_master group from inventory file

  default: undefined

• master_group - solr master group name in inventory file

  default: solr_master

• solr_port - solr master port

  default: 8983

• solr_base_path - path to solr base

  default: /var/solr

• solr_home - path to SOLR_HOME

  default: {{ solr_base_path }}/data

• solr_ssl_enabled - defined if solr master using ssl for connection

  default: True

Example Inventory

[solr_master]
solr_master.example.com

[solr-slave]
solr.example.com

[solrwin-slave]
solrwin.example.com

[solrwin-slave:vars]
ansible_user=admin
ansible_password=password
ansible_connection=winrm
ansible_winrm_server_cert_validation=ignore

[solrwin-master]
solrwin.example.com

[solrwin-master:vars]
ansible_user=admin
ansible_password=password
ansible_connection=winrm
ansible_winrm_server_cert_validation=ignore

Example Playbook

- name: Configure Solr as slave
  hosts: solr-slave
  roles:
    - role: lean_delivery.java
    - role: lean_delivery.solr_standalone
    - role: lean_delivery.solr_cluster
      solr_instance_type: slave

- name: Configure Solr as master
  hosts: solr_master
  roles:
    - role: lean_delivery.java
    - role: lean_delivery.solr_standalone
    - role: lean_delivery.solr_cluster

License

Apache

Author Information

authors:

• Lean Delivery Team team@lean-delivery.com