How do I connect Ansible to Docker container?

How do I connect Ansible to Docker container?

We’re going to create a playbook that will do the following:

1. Install aptitude.
2. Install a number of dependencies.
3. Add a docker repository.
4. Install docker-ce.
5. Install the docker Python module.
6. Pull the official Ubuntu image.
7. Create four containers based on the Ubuntu image.

How do I use Ansible playbook on remote host?

Let’s get started

1. On Host1: Create file crunchify-script.sh under folder /opt/ashah/
2. On Host2: Create folder /opt/ashah/
3. Copy crunchify-script.sh file from Host1 to Host2 under folder /opt/ashah/
4. Execute file crunchify-script.sh on remote host using ansible-playbook command.
5. Get command line complete result back.

Can Ansible run on Docker container?

Start an Ansible container Run the docker run command to start the Ansible container. The -it option stands for interactive terminal allowing you to run commands inside the Docker container. Confirm Ansible was installed by running the command ansible –version inside the Docker container.

How does Ansible connect to remote hosts?

Ansible communicates with remote machines over the SSH protocol. By default, Ansible uses native OpenSSH and connects to remote machines using your current user name, just as SSH does.

What is the difference between ansible and terraform?

The main difference between Terraform and Ansible is that Terraform is declarative in defining the process by which results can be achieved. Terraform consists of a command-line interface that can provide infrastructure in a simple code. It can efficiently perform building, versioning, and altering the infrastructure.

How do I connect my ansible?

By default, Ansible assumes you are using SSH keys to connect to remote machines. SSH keys are encouraged, but you can use password authentication if needed with the –ask-pass option. If you need to provide a password for privilege escalation (sudo, pbrun, and so on), use –ask-become-pass .

What user does Ansible run as?

remote_user variable
3 Answers. In summary, ansible will run all commands in a playbook as the user specified in the remote_user variable (assuming you’re using ansible >= 1.4, user before that). You can specify this variable on a per-task basis as well, in case a task needs to run as a certain user.

How to create Ansible playbook for Docker installation?

Create an Ansible playbook for Docker installation Next we create a playbook for Ansible which is the normal way how to tell Ansible which commands to execute in which order on the remote server. The playbook is in a.yml file format and has a specific format to follow. You can find more out about playbooks in the official Ansible documentation.

What are playbooks and ad hoc commands in Docker?

Playbooks are yaml files that systematically define the remotes servers and the tasks to be performed. Ad-hoc commands on the other hand are single-line commands run on the terminal. We are going to use playbooks to deploy containers on remote servers.

How can I run Ansible on a remote server?

Make sure that you have access to your remote server and placed your public SSH key there. Then edit your hosts file in /etc/ansible/hosts. This is the default file Ansible uses to look for any declared hosts (and groups) where it should execute the given commands remotely.

Which is the easiest way to automate Docker?

Ansible is the easiest way to automate Docker in your development environment. Ansible allows you to automate your Docker container build and deployment method in means that you’re likely doing manually. Ansible seamlessly automates Docker and operationalizes the process of building and deploying containers.