About

This ansible script will install Java and cassandra on Ubuntu or Debian.
If more than one IP address will be provided, it will combine all cassandra's into rings.

Supported OS:

• Ubuntu 18.04/20.04
• Debian 9/10

Prerequisites

• Ansible
• jmespath plugin

Configuration

Firewall

On hosts where cassandra will be installed, UFW should be enabled and port 22 should be temporary added to the rule.

Inventory.yml

In inventory.yml, set IP, user, password, ssh port or ssh_key on where cassandra should be installed.
If ssh_key is used, comment password.
If password is used, comment ssh_key.

linux:
    vars:
      ansible_ssh_user: user
      ansible_ssh_pass: password
      ansible_port: 22
      ansible_ssh_private_key_file: <path_to_key>
    children:
      cassandra:
        hosts:
          127.0.0.1:

Group_vars/all/common

In group_vars/all/common, set:

_CLUSTER_NAME: Test Cluster
_SEEDS: "{{ groups['cassandra'] | join(',') }}"
_LISTEN_ADDRESS: "{{ inventory_hostname }}"
_BROADCAST_ADDRESS: "{{ inventory_hostname }}"
_START_RPC: true
_RPC_ADDRESS: 0.0.0.0
_DATA_DIR: /var/lib/cassandra/data
_HINTS_DIR: /var/lib/cassandra/hints
_COMMITLOG_DIR: /var/lib/cassandra/commitlog
_SAVE_CACHE_DIR: /var/lib/cassandra/saved_caches
_PARTITIONER: org.apache.cassandra.dht.Murmur3Partitioner
_ENABLE_MATERIALIZED_VIEWS: false
_ENDPOINT_SNITCH: GossipingPropertyFileSnitch
_JMX_PORT: 8090
_DMX_ADDRESS: 0.0.0.0
_DMX_PORT: 8091

How to run:

ansible-playbook -i inventory.yml install.yml --ask-become-pass -vv