nexus-ansible

Overview

Install Latest Sonatype Nexus 3 on CentOS 9 using ansible
Sonatype Nexus is one of the best open-source artifact management tools. It is some tool that you cannot avoid in your CI/CD pipeline. It effectively manages deployable artifacts.

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Prerequisites

• Ansible master node
  • Install python3 sudo yum install python3
  • Install git sudo yum install git
  • Install ansible sudo yum install ansible
  • Set Passwordless authentication between master and hosts (nexus machine) ssh-keygen , ssh-copy-id root@IP_address
  • Add inventory file

    [hosts]
    nexus ansible_host=remote_host_IP
    

• Nexus node
  • Minimum 1 VCPU & 2 GB Memory
  • Install OpenJDK 8

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Steps

• Update the yum packages
• Install wget utility
• allow firewall ports 22 and 8081
• Create a directory named app
• Download the latest nexus in app directory
• Untar the downloaded file
• Rename the untared file to nexus
• Create a service user named nexus
• Change the ownership of nexus files to nexus user
• Create a nexus systemd unit file /etc/systemd/system/nexus.service
• Start and enable nexus service

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Validation

• run ansible-playbook -i hosts-inventory playbook.yml
• Visit http://localhost:8081
• Log in using default username admin and password found in app/sonatype-work/nexus3/admin.password

Now you will be able to see the nexus homepage