from util.dockerfileparse import parse_dockerfile, ParsedDockerfile, serialize_dockerfile
with open('Dockerfile.test', 'r') as dockerfileobj:
parsed_dockerfile = parse_dockerfile(dockerfileobj.read())
quay_reponame = 'something'
env_command = {
'command': 'ENV',
'parameters': 'QUAY_REPOSITORY %s' % quay_reponame
}
for index, command in reversed(list(enumerate(parsed_dockerfile.commands))):
if command['command'] == 'FROM':
new_command_index = index + 1
parsed_dockerfile.commands.insert(new_command_index, env_command)
break
image_and_tag_tuple = parsed_dockerfile.get_image_and_tag()
print image_and_tag_tuple
if image_and_tag_tuple is None or image_and_tag_tuple[0] is None:
raise Exception('Missing FROM command in Dockerfile')
print serialize_dockerfile(parsed_dockerfile)
