#!/usr/bin/env python3

import argparse
import os

import common

container_name = kwargs['repo_short_id']
container_hostname = kwargs['repo_short_id']
image_name = kwargs['repo_short_id']
target_dir = '/root/{}'.format(kwargs['repo_short_id'])
docker = ['sudo', 'docker']
def create(args):
    self.sh.run_cmd(docker + ['build', '-t', image_name, '.', LF])
    # --privileged for KVM:
    # https://stackoverflow.com/questions/48422001/launching-qemu-kvm-from-inside-docker-container
    self.sh.run_cmd(
        docker +
        [
            'create', LF,
            '--hostname', container_hostname, LF,
            '-i', LF,
            '--name', container_name, LF,
            '--net', 'host', LF,
            '--privileged', LF,
            '-t', LF,
            '-w', target_dir, LF,
            '-v', '{}:{}'.format(os.getcwd(), target_dir), LF,
            image_name,
        ]
    )
def destroy(args):
    stop(args)
    self.sh.run_cmd(docker + ['rm', container_name, LF])
    self.sh.run_cmd(docker + ['rmi', image_name, LF])
def sh(args):
    start(args)
    if args:
        sh_args = args
    else:
        sh_args = ['bash']
    self.sh.run_cmd(
        docker + ['exec', '-i', '-t', container_name] +
        sh_args +
        [LF],
    )
def start(args):
    self.sh.run_cmd(docker + ['start', container_name, LF])
def stop(args):
    self.sh.run_cmd(docker + ['stop', container_name, LF])
cmd_action_map = {
    'create': lambda args: create(args),
    'DESTROY': lambda args: destroy(args),
    'sh': lambda args: sh(args),
    'start': lambda args: start(args),
    'stop': lambda args: stop(args),
}
parser = argparse.ArgumentParser()
parser.add_argument('cmd', choices=cmd_action_map)
parser.add_argument('args', nargs='*')
self.add_dry_run_argument(parser)
args = parser.parse_args()
self.setup_dry_run_arguments(args)
cmd_action_map[kwargs['cmd']](kwargs['args'])