Shell script to wrap ansible runtime in a docker context using these images: https://github.com/davidalger/docker-images-ansible

run-ansible

#!/usr/bin/env bash
set -euo pipefail
trap 'error "$(printf "Command \`%s\` on line $LINENO failed with exit code $?" "$BASH_COMMAND")"' ERR

function error {
  >&2 printf "\033[31mERROR\033[0m: $@\n"
}

function fatal {
  error "$@"
  exit -1
}

## find directory where this script is located following symlinks if neccessary
readonly BASE_DIR="$(
  cd "$(
    dirname "$(
      (readlink "${BASH_SOURCE[0]}" || echo "${BASH_SOURCE[0]}") \
        | sed -e "s#^../#$(dirname "$(dirname "${BASH_SOURCE[0]}")")/#"
    )"
  )" >/dev/null \
  && pwd -P
)"
cd "${BASE_DIR}"

## verify docker is running
if ! docker system info >/dev/null 2>&1; then
    fatal "Docker does not appear to be running. Please start Docker."
fi

## parse arguments and default to ansible-playbook if first arg does not match predefined list
if [[ "${1:-}" =~ ^(ansible|sh|bash)$ ]] \
  || [[ "${1:-}" =~ ^ansible-(config|connection|console|doc|galaxy|inventory|playbook|pull|test|vault)$ ]]
then
  ANSIBLE_CMD=("${1:-}")
  ANSIBLE_CMD+=("${@:2}")
else
  ANSIBLE_CMD=("ansible-playbook")
  ANSIBLE_CMD+=("${@:-}")
fi

## docker run with interactive tty by default but allow override via env variable
INTERACTIVE="${INTERACTIVE:-"-it"}"

## when on macOS environments use the special ssh auth socket
if [[ $OSTYPE =~ ^darwin ]]; then
  SSH_AUTH_SOCK=/run/host-services/ssh-auth.sock
fi

## configure the docker run command for execution
ANSIBLE_IMG=${ANSIBLE_IMG:-"docker.io/davidalger/ansible:2.9"}
DOCKER_EXEC=(docker run --rm ${INTERACTIVE:-} -v "${BASE_DIR}":/opt/ansible -w /opt/ansible
  --env SSH_AUTH_SOCK=/tmp/ssh-auth.sock -v "${SSH_AUTH_SOCK:-/dev/null}":/tmp/ssh-auth.sock
  --env ANSIBLE_REMOTE_USER="${ANSIBLE_REMOTE_USER:-"$(whoami)"}" "${ANSIBLE_IMG}" "${ANSIBLE_CMD[@]}"
)

## fork execution and exit
trap '' ERR
exec "${DOCKER_EXEC[@]}"