Bootstrap FreeKB - Ansible - Install Ansible Tower on Linux
Ansible - Install Ansible Tower on Linux

Updated:   |  Ansible articles

Ansible Tower requires at least 2 GB of RAM, but recommends at least 4 GB. Use the free command to determine how much memory your system has. In this example, the system has less than 2 GB of memory, which will cause the install the fail. If your server does not have enought free memory, add memory to the server before installing Ansible Tower.

free -h
. . .
       total      used    free   shared  buffers  cached
Mem:     19G       19G    510M      16K     185M    3.6G
Swap:   2.0G      380M    1.6G

 

The curl command with the --insecure flag to ignore SSL certificate issues can be used to download the Ansible Tower tar archive. In this example, ansible-tower-setup-latest.tar.gz would be downloaded to the /tmp directory.

curl --insecure -o "/tmp/ansible-tower-setup-latest.tar.gz" "https://releases.ansible.com/ansible-tower/setup/ansible-tower-setup-latest.tar.gz"

 

Extract the tar archive.

tar -zxf /tmp/ansible-tower-setup-latest.tar.gz

 

Enter the extracted archive.

cd /tmp/ansible-tower-setup*/

 

Edit the inventory file, and define passwords.

admin_password='your_password'
pg_password='your_password'
rabbitmq_password='your_password'

 

Use the sestatus command to determine if SELinux is enforcing, disabled, or permissive.

sestatus
. . .
Current mode: enforcing

 

If SELinux is enforcing, determine if the libselinux-python package is installed. If libselinux-python is listed under "Available Packages", this means libselinux-python is not installed.

yum list libselinux-python
. . .
Available Packages
libselinux-python.x86_64

 

If libselinux-python is not installed, install libselinux-python.

yum install libselinux-python

 

Run the setup.sh script.

./setup.sh

 

If setup is successful, the following will be displayed.

The setup process completed successfully

 

If the install was successful, the /etc/ansible and /etc/tower directories should exist.

The ansible-tower-service status command can be used to check if Ansible is running, like this.

ansible-tower-service status
. . .
● rh-postgresql10-postgresql.service - PostgreSQL database server
   Loaded: loaded (/usr/lib/systemd/system/rh-postgresql10-postgresql.service; enabled; vendor preset: disabled)
   Active: active (running) since Sun 2020-03-08 04:15:33 CDT; 1 months 1 days ago

● rabbitmq-server.service - RabbitMQ broker
   Loaded: loaded (/usr/lib/systemd/system/rabbitmq-server.service; enabled; vendor preset: disabled)
   Active: active (running) since Sun 2020-03-08 04:15:40 CDT; 1 months 1 days ago

● nginx.service - The nginx HTTP and reverse proxy server
   Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)
   Active: active (running) since Sun 2020-03-08 04:19:23 CDT; 1 months 1 days ago

 

You are now ready to start using Ansible Tower.




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