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Chapter 2. RPM topologies

The RPM installer deploys Ansible Automation Platform on Red Hat Enterprise Linux by using RPMs to install the platform on host machines. Customers manage the product and infrastructure lifecycle.

2.1. RPM growth topology
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The growth topology is intended for organizations that are getting started with Ansible Automation Platform and do not require redundancy or higher compute for large volumes of automation. This topology allows for smaller footprint deployments.

2.1.1. Infrastructure topology
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The following diagram outlines the infrastructure topology that Red Hat has tested with this deployment model that customers can use when self-managing Ansible Automation Platform:

Figure 2.1. Infrastructure topology diagram

RPM growth topology diagram
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RPM growth topology diagram

Each VM has been tested with the following component requirements:

Expand
Table 2.1. Virtual machine requirements
RequirementMinimum requirement

RAM

16 GB

CPUs

4

Local disk

60 GB

Disk IOPS

3000

Expand
Table 2.2. Infrastructure topology
VM countPurposeExample VM group names

1

Platform gateway with colocated Redis

automationgateway

1

Automation controller

automationcontroller

1

Private automation hub

automationhub

1

Event-Driven Ansible

automationedacontroller

1

Automation mesh execution node

execution_nodes

1

Ansible Automation Platform managed database

database

2.1.2. Tested system configurations
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Red Hat has tested the following configurations to install and run Red Hat Ansible Automation Platform:

Expand
Table 2.3. Tested system configurations
TypeDescription 

Subscription

Valid Red Hat Ansible Automation Platform subscription

 

Operating system

  • Red Hat Enterprise Linux 8.8 or later minor versions of Red Hat Enterprise Linux 8.
  • Red Hat Enterprise Linux 9.2 or later minor versions of Red Hat Enterprise Linux 9.
 

CPU architecture

x86_64, AArch64, s390x (IBM Z), ppc64le (IBM Power)

 

ansible-core

ansible-core version 2.16 or later

Ansible Automation Platform uses the system-wide ansible-core package to install the platform, but uses ansible-core 2.16 for both its control plane and built-in execution environments.

Browser

A currently supported version of Mozilla Firefox or Google Chrome

 

Database

PostgreSQL 15

External (customer supported) databases require ICU support.

2.1.3. Network ports
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Red Hat Ansible Automation Platform uses several ports to communicate with its services. These ports must be open and available for incoming connections to the Red Hat Ansible Automation Platform server for it to work. Ensure that these ports are available and are not blocked by the server firewall.

Expand
Table 2.4. Network ports and protocols
Port numberProtocolServiceSourceDestination

80/443

TCP

HTTP/HTTPS

Event-Driven Ansible

Automation hub

80/443

TCP

HTTP/HTTPS

Event-Driven Ansible

Automation controller

80/443

TCP

HTTP/HTTPS

Automation controller

Automation hub

80/443

TCP

HTTP/HTTPS

Platform gateway

Automation controller

80/443

TCP

HTTP/HTTPS

Platform gateway

Automation hub

80/443

TCP

HTTP/HTTPS

Platform gateway

Event-Driven Ansible

5432

TCP

PostgreSQL

Event-Driven Ansible

Database

5432

TCP

PostgreSQL

Platform gateway

Database

5432

TCP

PostgreSQL

Automation hub

Database

5432

TCP

PostgreSQL

Automation controller

Database

6379

TCP

Redis

Event-Driven Ansible

Redis node

6379

TCP

Redis

Platform gateway

Redis node

8443

TCP

HTTPS

Platform gateway

Platform gateway

27199

TCP

Receptor

Automation controller

Execution node

2.1.4. Example inventory file
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Use the example inventory file to perform an installation for this topology: 

# This is the Ansible Automation Platform installer inventory file intended for the RPM growth deployment topology.
# Consult the Ansible Automation Platform product documentation about this topology's tested hardware configuration.
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/tested_deployment_models/rpm-topologies
#
# Consult the docs if you are unsure what to add
# For all optional variables consult the Ansible Automation Platform documentation:
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation


# This section is for your platform gateway hosts
# -----------------------------------------------------
[automationgateway]
gateway.example.org

# This section is for your automation controller hosts
# -----------------------------------------------------
[automationcontroller]
controller.example.org

[automationcontroller:vars]
peers=execution_nodes

# This section is for your Ansible Automation Platform execution hosts
# -----------------------------------------------------
[execution_nodes]
exec.example.org

# This section is for your automation hub hosts
# -----------------------------------------------------
[automationhub]
hub.example.org

# This section is for your Event-Driven Ansible controller hosts
# -----------------------------------------------------
[automationedacontroller]
eda.example.org

# This section is for the Ansible Automation Platform database
# -----------------------------------------------------
[database]
db.example.org

[all:vars]

# Common variables
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation/appendix-inventory-files-vars#general-variables
# -----------------------------------------------------
registry_username=<your RHN username>
registry_password=<your RHN password>

redis_mode=standalone

# Platform gateway
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation/appendix-inventory-files-vars#platform-gateway-variables
# -----------------------------------------------------
automationgateway_admin_password=<set your own>
automationgateway_pg_host=db.example.org
automationgateway_pg_password=<set your own>

# Automation controller
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation/appendix-inventory-files-vars#controller-variables
# -----------------------------------------------------
admin_password=<set your own>
pg_host=db.example.org
pg_password=<set your own>

# Automation hub
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation/appendix-inventory-files-vars#hub-variables
# -----------------------------------------------------
automationhub_admin_password=<set your own>
automationhub_pg_host=db.example.org
automationhub_pg_password=<set your own>

# Event-Driven Ansible controller
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation/appendix-inventory-files-vars#event-driven-ansible-variables
# -----------------------------------------------------
automationedacontroller_admin_password=<set your own>
automationedacontroller_pg_host=db.example.org
automationedacontroller_pg_password=<set your own>
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2.2. RPM enterprise topology
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The enterprise topology is intended for organizations that require Ansible Automation Platform to be deployed with redundancy or higher compute for large volumes of automation.

2.2.1. Infrastructure topology
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The following diagram outlines the infrastructure topology that Red Hat has tested with this deployment model that customers can use when self-managing Ansible Automation Platform:

Figure 2.2. Infrastructure topology diagram

RPM enterprise topology diagram
View larger image
RPM enterprise topology diagram

Each VM has been tested with the following component requirements:

Expand
Table 2.5. Virtual machine requirements
RequirementMinimum requirement

RAM

16 GB

CPUs

4

Local disk

60 GB

Disk IOPS

3000

Expand
Table 2.6. Infrastructure topology
VM countPurposeExample VM group names

2

Platform gateway with colocated Redis

automationgateway

2

Automation controller

automationcontroller

2

Private automation hub with colocated Redis

automationhub

2

Event-Driven Ansible with colocated Redis

automationedacontroller

1

Automation mesh hop node

execution_nodes

2

Automation mesh execution node

execution_nodes

1

Externally managed database service

N/A

1

HAProxy load balancer in front of platform gateway (externally managed)

N/A

Note
  • 6 VMs are required for a Redis high availability (HA) compatible deployment. Redis can be colocated on each Ansible Automation Platform component VM except for automation controller, execution nodes, or the PostgreSQL database.
  • External Redis is not supported for RPM-based deployments of Ansible Automation Platform.

2.2.2. Tested system configurations
Copia collegamento

Red Hat has tested the following configurations to install and run Red Hat Ansible Automation Platform:

Expand
Table 2.7. Tested system configurations
TypeDescription 

Subscription

Valid Red Hat Ansible Automation Platform subscription

 

Operating system

  • Red Hat Enterprise Linux 8.8 or later minor versions of Red Hat Enterprise Linux 8.
  • Red Hat Enterprise Linux 9.2 or later minor versions of Red Hat Enterprise Linux 9.
 

CPU architecture

x86_64, AArch64, s390x (IBM Z), ppc64le (IBM Power)

 

ansible-core

ansible-core version 2.16 or later

Ansible Automation Platform uses the system-wide ansible-core package to install the platform, but uses ansible-core 2.16 for both its control plane and built-in execution environments.

Browser

A currently supported version of Mozilla Firefox or Google Chrome

 

Database

PostgreSQL 15

External (customer supported) databases require ICU support.

2.2.3. Network ports
Copia collegamento

Red Hat Ansible Automation Platform uses several ports to communicate with its services. These ports must be open and available for incoming connections to the Red Hat Ansible Automation Platform server for it to work. Ensure that these ports are available and are not blocked by the server firewall.

Expand
Table 2.8. Network ports and protocols
Port numberProtocolServiceSourceDestination

80/443

TCP

HTTP/HTTPS

Event-Driven Ansible

Automation hub

80/443

TCP

HTTP/HTTPS

Event-Driven Ansible

Automation controller

80/443

TCP

HTTP/HTTPS

Automation controller

Automation hub

80/443

TCP

HTTP/HTTPS

HAProxy load balancer

Platform gateway

80/443

TCP

HTTP/HTTPS

Platform gateway

Automation controller

80/443

TCP

HTTP/HTTPS

Platform gateway

Automation hub

80/443

TCP

HTTP/HTTPS

Platform gateway

Event-Driven Ansible

5432

TCP

PostgreSQL

Event-Driven Ansible

External database

5432

TCP

PostgreSQL

Platform gateway

External database

5432

TCP

PostgreSQL

Automation hub

External database

5432

TCP

PostgreSQL

Automation controller

External database

6379

TCP

Redis

Event-Driven Ansible

Redis node

6379

TCP

Redis

Platform gateway

Redis node

8443

TCP

HTTPS

Platform gateway

Platform gateway

16379

TCP

Redis

Redis node

Redis node

27199

TCP

Receptor

Automation controller

Hop node and execution node

27199

TCP

Receptor

Hop node

Execution node

2.2.4. Example inventory file
Copia collegamento

Use the example inventory file to perform an installation for this topology: 

# This is the Ansible Automation Platform enterprise installer inventory file
# Consult the docs if you are unsure what to add
# For all optional variables consult the Red Hat documentation:
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation

# This section is for your platform gateway hosts
# -----------------------------------------------------
[automationgateway]
gateway1.example.org
gateway2.example.org

# This section is for your automation controller hosts
# -----------------------------------------------------
[automationcontroller]
controller1.example.org
controller2.example.org

[automationcontroller:vars]
peers=execution_nodes

# This section is for your Ansible Automation Platform execution hosts
# -----------------------------------------------------
[execution_nodes]
hop1.example.org node_type='hop'
exec1.example.org
exec2.example.org

# This section is for your automation hub hosts
# -----------------------------------------------------
[automationhub]
hub1.example.org
hub2.example.org

# This section is for your Event-Driven Ansible controller hosts
# -----------------------------------------------------
[automationedacontroller]
eda1.example.org
eda2.example.org

[redis]
gateway1.example.org
gateway2.example.org
hub1.example.org
hub2.example.org
eda1.example.org
eda2.example.org

[all:vars]
# Common variables
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation/appendix-inventory-files-vars#general-variables
# -----------------------------------------------------
registry_username=<your RHN username>
registry_password=<your RHN password>

# Platform gateway
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation/appendix-inventory-files-vars#platform-gateway-variables
# -----------------------------------------------------
automationgateway_admin_password=<set your own>
automationgateway_pg_host=<set your own>
automationgateway_pg_database=<set your own>
automationgateway_pg_username=<set your own>
automationgateway_pg_password=<set your own>

# Automation controller
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation/appendix-inventory-files-vars#controller-variables
# -----------------------------------------------------
admin_password=<set your own>
pg_host=<set your own>
pg_database=<set your own>
pg_username=<set your own>
pg_password=<set your own>

# Automation hub
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation/appendix-inventory-files-vars#hub-variables
# -----------------------------------------------------
automationhub_admin_password=<set your own>
automationhub_pg_host=<set your own>
automationhub_pg_database=<set your own>
automationhub_pg_username=<set your own>
automationhub_pg_password=<set your own>

# Event-Driven Ansible controller
# https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_installation/appendix-inventory-files-vars#event-driven-ansible-variables
# -----------------------------------------------------
automationedacontroller_admin_password=<set your own>
automationedacontroller_pg_host=<set your own>
automationedacontroller_pg_database=<set your own>
automationedacontroller_pg_username=<set your own>
automationedacontroller_pg_password=<set your own>
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