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Cockroach-Ansible

This repository hosts an Ansible playbook designed for the seamless deployment and management of CockroachDB clusters on Ubuntu 22.04 LTS environments. It requires a private network configuration between the servers to ensure secure and efficient communication.

Architecture Overview

                                    +------------------+
                                    |  Client Access   |
                                    +--------+---------+
                                             |
                                             |
                                    +--------v--------+
                                    |   HAProxy       |
                                    | (Load Balancer) |
                                    +--------+--------+
                                             |
                                             |
                        +--------------------+---------------------+
                        |                    |                     |
                        |                    |                     |
                        v                    v                     v
                +-------+--------+   +-------+--------+    +-------+--------+
                |  Server 1      |   |  Server 2      |    |  Server 3      |
                |  (CockroachDB) |   |  (CockroachDB) |    |  (CockroachDB) |
                |  IP: 10.0.1.1  |   |  IP: 10.0.1.2  |    |  IP: 10.0.1.3  |
                +-------+--------+   +-------+--------+    +-------+--------+

Repository Overview

Note: Ensure that you are operating within a private network setup to utilize this playbook effectively.

How to Use This Playbook

  1. Configuration Review: Begin by examining the inventory/group_vars/all.yaml and inventory/db-servers.ini files.
  2. Customize Variables: Modify the variables in the aforementioned files to tailor the setup to your specific requirements.

Step-by-Step Guide to Deploy CockroachDB

  • Prepare Servers: Ready your servers for the CockroachDB installation by executing the following command:

    ansible-playbook -i inventory/db-servers.ini cockroachDB.yaml --become --become-method=sudo -t preinstall

  • Manual Cluster Installation: To install the CockroachDB cluster manually:

    ansible-playbook -i inventory/db-servers.ini cockroachDB.yaml --become --become-method=sudo -t cockroach-manual

  • Systemd Cluster Installation: For installing the CockroachDB cluster with systemd integration:

    ansible-playbook -i inventory/db-servers.ini cockroachDB.yaml --become --become-method=sudo -t cockroach_systemd

  • Install HAProxy: Set up HAProxy as a load balancer by running:

    ansible-playbook -i inventory/db-servers.ini cockroachDB.yaml --become --become-method=sudo -t haproxy

This playbook offers a structured approach to deploying a robust CockroachDB environment, enhancing your database infrastructure with minimal manual intervention.