src/emuvim/api/util/docker_utils.py

   1 import logging
   2 from io import BytesIO
   3
   4 import docker
   5
   6 from emuvim.api.util.path_utils import get_absolute_path
   7
   8
   9 def build_dockerfile_dir(folder, tag):
  10     dcli = docker.from_env().api
  11     folder = get_absolute_path(folder)
  12     build_stream = dcli.build(folder, tag=tag)
  13     logging.info('Docker build result:')
  14     for line in build_stream:
  15         logging.info(line)
  16
  17
  18 def suffix_tag_name(tag, suffix):
  19     if ":" in tag:
  20         return "%s_%s" % (tag, suffix)
  21     return "%s:latest_%s" % (tag, suffix)
  22
  23
  24 def wrap_debian_like(image):
  25     dcli = docker.from_env().api
  26     dockerfile = '''
  27     FROM %s
  28     RUN apt update -y && apt install -y net-tools iputils-ping iproute
  29     ''' % image
  30     f = BytesIO(dockerfile.encode('utf-8'))
  31     wrapper_name = suffix_tag_name(image, 'containernet_compatible')
  32     logging.info('wrapping image: %s->%s' % (image, wrapper_name))
  33     build_stream = dcli.build(fileobj=f, tag=wrapper_name)
  34     build_result = [line for line in build_stream]
  35     logging.debug('Docker build result:' + '\n'.join(build_result))
  36     return wrapper_name
  37
  38
  39 # 172.17.0.1 is the ip of the docker0 interface on the host
  40 DOCKER_HOST_IP = '172.17.0.1'