mirror of https://github.com/docker/compose.git
100 lines
3.1 KiB
Python
100 lines
3.1 KiB
Python
from __future__ import unicode_literals
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from __future__ import absolute_import
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from ..packages.docker import Client
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from requests.exceptions import ConnectionError
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import errno
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import logging
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import os
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import re
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import yaml
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import six
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from ..project import Project
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from ..service import ConfigError
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from .docopt_command import DocoptCommand
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from .formatter import Formatter
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from .utils import cached_property, docker_url, call_silently, is_mac, is_ubuntu
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from .errors import UserError
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log = logging.getLogger(__name__)
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class Command(DocoptCommand):
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base_dir = '.'
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def dispatch(self, *args, **kwargs):
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try:
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super(Command, self).dispatch(*args, **kwargs)
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except ConnectionError:
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if call_silently(['which', 'docker']) != 0:
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if is_mac():
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raise UserError("""
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Couldn't connect to Docker daemon. You might need to install docker-osx:
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https://github.com/noplay/docker-osx
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""")
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elif is_ubuntu():
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raise UserError("""
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Couldn't connect to Docker daemon. You might need to install Docker:
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http://docs.docker.io/en/latest/installation/ubuntulinux/
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""")
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else:
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raise UserError("""
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Couldn't connect to Docker daemon. You might need to install Docker:
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http://docs.docker.io/en/latest/installation/
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""")
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elif call_silently(['which', 'docker-osx']) == 0:
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raise UserError("Couldn't connect to Docker daemon - you might need to run `docker-osx shell`.")
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else:
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raise UserError("""
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Couldn't connect to Docker daemon at %s - is it running?
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If it's at a non-standard location, specify the URL with the DOCKER_HOST environment variable.
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""" % self.client.base_url)
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@cached_property
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def client(self):
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return Client(docker_url())
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@cached_property
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def project(self):
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try:
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yaml_path = self.check_yaml_filename()
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config = yaml.load(open(yaml_path))
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except IOError as e:
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if e.errno == errno.ENOENT:
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log.error("Can't find %s. Are you in the right directory?", os.path.basename(e.filename))
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else:
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log.error(e)
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exit(1)
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try:
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return Project.from_config(self.project_name, config, self.client)
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except ConfigError as e:
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raise UserError(six.text_type(e))
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@cached_property
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def project_name(self):
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project = os.path.basename(os.getcwd())
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project = re.sub(r'[^a-zA-Z0-9]', '', project)
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if not project:
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project = 'default'
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return project
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@cached_property
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def formatter(self):
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return Formatter()
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def check_yaml_filename(self):
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if os.path.exists(os.path.join(self.base_dir, 'fig.yaml')):
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log.warning("Fig just read the file 'fig.yaml' on startup, rather than 'fig.yml'")
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log.warning("Please be aware that fig.yml the expected extension in most cases, and using .yaml can cause compatibility issues in future")
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return os.path.join(self.base_dir, 'fig.yaml')
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else:
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return os.path.join(self.base_dir, 'fig.yml')
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