running ansible from a container using docker

AnsibleFromDocker.md

build the container image with

docker build -t ansible:0.0.1 .

run ansible ping command against hosts defined in an inventory file, noting that

• the keys file needs to contain id_rsa file with appropriate permissions
• a known_hosts file needs to be present in the keys folder

#!/usr/bin/env bash


docker run -it --rm \
	-v $(pwd)/keys:/root/.ssh \
	-v $(pwd)/k3s-ansible:/root/k3s-ansible \
	ansible:0.0.1 \
	ansible all -i /root/ansible/inventory/my-cluster/hosts.ini -m ping

Dockerfile

FROM ubuntu:22.04
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && \
  apt-get install -y ansible && \
  mkdir /root/ansible