Tower 2.2.2

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This guide helps you get your Ansible Tower installation up and running as quickly as possible.

At the end of the installation, using your web browser, you can access and fully utilize Tower.

1.1. Installation and Reference guide¶

While this guide covers the basics, you may find that you need the more detailed information available in the Installation and Reference Guide.

You should also review the General Installation Notes before starting the installation.

1.2. Prerequisites and Requirements¶

Tower

For platform information, refer to Supported Platforms and Requirements and Platform Specific Notes.

Ansible Tower has the following requirements:

  • Supported Operating Systems:

    • Red Hat Enterprise Linux 6 64-bit
    • Red Hat Enterprise Linux 7 64-bit
    • CentOS 6 64-bit
    • CentOS 7 64-bit
    • Ubuntu 12.04 LTS 64-bit
    • Ubuntu 14.04 LTS 64-bit

  • The latest stable release of Ansible

  • 64-bit support required (kernel and runtime)

  • 2 GB RAM minimum (4+ GB RAM recommended)

    • 2 GB RAM (minimum and recommended for Vagrant trial installations)
    • 4 GB RAM is recommended per 100 forks

  • 20 GB hard disk

  • For Amazon EC2:

    • Instance size of m3.medium or larger
    • An instance size of m3.xlarge or larger if there are more than 100 hosts

Refer to Requirements for more detailed information.

Note

Tower depends on Ansible playbooks and requires the installation of the latest stable version of Ansible before installing Tower.

Use the latest stable release of Ansible for best performance and to ensure the latest bug fixes are available. Versions of Ansible 1.8 or later are supported for Ansible Tower 2.2.

Detailed instructions on installing Ansible are available at: http://docs.ansible.com/intro_installation.html

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For convenience, summaries of those instructions are in the following sections.

1.3. Configuration and Installation for Ansible with Red Hat Enterprise Linux and CentOS¶

The following steps help you configure access to the repository as well as install Ansible.

2.2.2

1.3.1. Configure access to the repository for Ansible with Red Hat Enterprise Linux and CentOS (version 6 or later):¶

Configure the EPEL repository and any others needed.

As the root user, for Red Hat Enterprise Linux 6 and CentOS 6:

As the root user, for Red Hat Enterprise Linux 7 and CentOS 7

Note

You may also need to enable the “extras” repository, named “extras” on CentOS 7, “rhel-7-server-extras-rpms” on Red Hat Enterprise Linux 7, and “rhui-REGION-rhel-server-extras” when running in EC2.

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Note

For users of Red Hat Enterprise Linux 7, you also need to enable the “optional” repository. When using the official Red Hat Enterprise Linux 7 marketplace AMI, be sure you install the latest “rh-amazon-rhui-client” package that allows enabling the optional repository (named “rhui-REGION-rhel-server-optional” in EC2).

1.3.2. Install Ansible on Red Hat Enterprise Linux and CentOS (version 6 or later):¶

1.4. Configuration and Installation for Ansible with Ubuntu¶

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The following steps help you configure access to the repository as well as install Ansible.

1.4.1. Configure access to the repository for Ansible with Ubuntu 12.04 and Ubuntu 14.04:¶

As the root user, configure Ansible PPA:

1.4.2. Install Ansible on Ubuntu 12.04 and Ubuntu 14.04:¶

1.5. Tower Installation Scenarios¶

Tower installs in one of three scenarios and each of these scenarios are configurable through the Tower Installation Wizard:

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  • Single Machine integrated installation
  • Single Machine with an external database
  • High Availability Multi-Machine with an external database

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For more information on these installation scenarios, refer to Tower Installation Scenarios.