#!/bin/bash

defaultimage="ansible:deb13"

export ANSIBLE_HOST_KEY_CHECKING=False
export ANSIBLE_SSH_ARGS='-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null'
export ANSIBLE_CONFIG=./ansible.cfg

# Ermittle den nächsten freien Container-Namen
base_name="ansible"
counter=1
while docker ps -a --format '{{.Names}}' | grep -q "^${base_name}-${counter}$"; do
  counter=$((counter + 1))
done
container_name="${base_name}-${counter}"

docker run --rm -dit \
  --name "$container_name" \
  --hostname "$container_name" \
  -e ANSIBLE_HOST_KEY_CHECKING=False \
  -e ANSIBLE_SSH_ARGS='-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null' \
  -e ANSIBLE_CONFIG=./ansible.cfg \
  -v "$(pwd):/ansible" \
  -v ansible_ssh_keys:/root/.ssh \
  -w /ansible \
  $defaultimage \
  "/bin/bash"

docker exec "$container_name" sh -lc "mkdir -p /root/.ssh && chmod 700 /root/.ssh && printf 'Host *\n  StrictHostKeyChecking no\n  UserKnownHostsFile /dev/null\n' > /root/.ssh/config && chmod 600 /root/.ssh/config"

container_ip=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$container_name" 2>/dev/null)
container_os=$(docker exec "$container_name" sh -c 'grep PRETTY_NAME /etc/os-release 2>/dev/null | cut -d= -f2 | tr -d "\"" 2>/dev/null')

echo "-----------------------------------"
echo "Container Name : $container_name"
echo "Container IP   : ${container_ip:-n/a}"
echo "Container OS   : ${container_os:-n/a}"
echo "-----------------------------------"

docker attach "$container_name"