docker-context-streamer/dcs/cli.py
Franck Nijhof 6df2f8f3f6 🎉 Inital version (#1)
* 🎉 Initial version
2017-08-27 21:21:03 +02:00

79 lines
2.4 KiB
Python

# -*- coding: utf-8 -*-
#
# MIT License
#
# Copyright (c) 2017 Franck Nijhof
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""CLI Handler for the Docker Context Streamer.
This file handles the parsing of the CLI input
"""
import argparse
import os.path
import sys
from dcs import APP_DESCRIPTION, APP_NAME, APP_VERSION
from dcs.streamer import Streamer
def run(argv=None):
"""Run the Docker Context Streamer."""
parser = argparse.ArgumentParser(
prog=APP_NAME,
description=APP_DESCRIPTION,
epilog=("Example: cat ~/Dockerfile | "
"docker-context-streamer . | docker build -")
)
parser.add_argument(
'context',
type=str,
default='.',
help='Path to directory to use as context'
)
parser.add_argument(
'-v', '--version',
action='version',
version='%s %s' % (APP_NAME, APP_VERSION)
)
parsed = parser.parse_args()
if sys.stdin.isatty():
parser.error("Missing Dockerfile on STDIN")
dockerfile = sys.stdin.read()
dockerignore = ""
dockerignorefile = os.path.relpath(
os.path.join(
parsed.context,
'.dockerignore'
)
)
if os.path.isfile(dockerignorefile):
with open(dockerignorefile, 'r') as f:
dockerignore = (f.read()).split('\n')
streamer = Streamer(
dockerfile, os.path.relpath(parsed.context), dockerignore
)
streamer.stream_context()