mirror of https://github.com/docker/docs.git
61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
import logging
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import re
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from .container import get_container_name, Container
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log = logging.getLogger(__name__)
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# TODO: remove this section when migrate_project_to_labels is removed
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NAME_RE = re.compile(r'^([^_]+)_([^_]+)_(run_)?(\d+)$')
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def is_valid_name(name):
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match = NAME_RE.match(name)
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return match is not None
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def check_for_legacy_containers(
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client,
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project,
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services,
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stopped=False,
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one_off=False):
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"""Check if there are containers named using the old naming convention
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and warn the user that those containers may need to be migrated to
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using labels, so that compose can find them.
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"""
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for container in client.containers(all=stopped):
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name = get_container_name(container)
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for service in services:
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prefix = '%s_%s_%s' % (project, service, 'run_' if one_off else '')
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if not name.startswith(prefix):
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continue
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log.warn(
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"Compose found a found a container named %s without any "
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"labels. As of compose 1.3.0 containers are identified with "
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"labels instead of naming convention. If you'd like compose "
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"to use this container, please run "
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"`docker-compose migrate-to-labels`" % (name,))
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def add_labels(project, container, name):
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project_name, service_name, one_off, number = NAME_RE.match(name).groups()
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if project_name != project.name or service_name not in project.service_names:
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return
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service = project.get_service(service_name)
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service.recreate_container(container)
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def migrate_project_to_labels(project):
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log.info("Running migration to labels for project %s", project.name)
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client = project.client
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for container in client.containers(all=True):
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name = get_container_name(container)
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if not is_valid_name(name):
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continue
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add_labels(project, Container.from_ps(client, container), name)
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