compose/fig/cli/command.py

58 lines
1.5 KiB
Python

from docker import Client
import logging
import os
import re
import yaml
import socket
from ..project import Project
from .docopt_command import DocoptCommand
from .formatter import Formatter
from .utils import cached_property
from .errors import UserError
log = logging.getLogger(__name__)
class Command(DocoptCommand):
@cached_property
def client(self):
if os.environ.get('DOCKER_URL'):
return Client(os.environ['DOCKER_URL'])
socket_path = '/var/run/docker.sock'
tcp_host = '127.0.0.1'
tcp_port = 4243
if os.path.exists(socket_path):
return Client('unix://%s' % socket_path)
try:
s = socket.socket()
s.connect((tcp_host, tcp_port))
s.close()
return Client('http://%s:%s' % (tcp_host, tcp_port))
except:
pass
raise UserError("""
Couldn't find Docker daemon - tried %s and %s:%s.
If it's running elsewhere, specify a url with DOCKER_URL.
""" % (socket_path, tcp_host, tcp_port))
@cached_property
def project(self):
config = yaml.load(open('fig.yml'))
return Project.from_config(self.project_name, config, self.client)
@cached_property
def project_name(self):
project = os.path.basename(os.getcwd())
project = re.sub(r'[^a-zA-Z0-9]', '', project)
if not project:
project = 'default'
return project
@cached_property
def formatter(self):
return Formatter()