Remove "bundle" subcommand and support for DAB files

compose/cli/main.py

@@ -15,14 +15,12 @@
 from inspect import getdoc
 from operator import attrgetter
 
-import docker
+import docker.errors
+import docker.utils
 
 from . import errors
 from . import signals
 from .. import __version__
-from ..bundle import get_image_digests
-from ..bundle import MissingDigests
-from ..bundle import serialize_bundle
 from ..config import ConfigurationError
 from ..config import parse_environment
 from ..config import parse_labels
@@ -34,6 +32,8 @@
 from ..const import IS_WINDOWS_PLATFORM
 from ..errors import StreamParseError
 from ..progress_stream import StreamOutputError
+from ..project import get_image_digests
+from ..project import MissingDigests
 from ..project import NoSuchService
 from ..project import OneOffFilter
 from ..project import ProjectError
@@ -213,7 +213,6 @@ class TopLevelCommand(object):
 
     Commands:
       build              Build or rebuild services
-      bundle             Generate a Docker bundle from the Compose file
       config             Validate and view the Compose file
       create             Create services
       down               Stop and remove containers, networks, images, and volumes
@@ -304,38 +303,6 @@ def build(self, options):
             progress=options.get('--progress'),
         )
 
-    def bundle(self, options):
-        """
-        Generate a Distributed Application Bundle (DAB) from the Compose file.
-
-        Images must have digests stored, which requires interaction with a
-        Docker registry. If digests aren't stored for all images, you can fetch
-        them with `docker-compose pull` or `docker-compose push`. To push images
-        automatically when bundling, pass `--push-images`. Only services with
-        a `build` option specified will have their images pushed.
-
-        Usage: bundle [options]
-
-        Options:
-            --push-images              Automatically push images for any services
-                                       which have a `build` option specified.
-
-            -o, --output PATH          Path to write the bundle file to.
-                                       Defaults to "<project name>.dab".
-        """
-        compose_config = get_config_from_options('.', self.toplevel_options)
-
-        output = options["--output"]
-        if not output:
-            output = "{}.dab".format(self.project.name)
-
-        image_digests = image_digests_for_project(self.project, options['--push-images'])
-
-        with open(output, 'w') as f:
-            f.write(serialize_bundle(compose_config, image_digests))
-
-        log.info("Wrote bundle to {}".format(output))
-
     def config(self, options):
         """
         Validate and view the Compose file.
@@ -1216,12 +1183,10 @@ def timeout_from_opts(options):
     return None if timeout is None else int(timeout)
 
 
-def image_digests_for_project(project, allow_push=False):
+def image_digests_for_project(project):
     try:
-        return get_image_digests(
-            project,
-            allow_push=allow_push
-        )
+        return get_image_digests(project)
+
     except MissingDigests as e:
         def list_images(images):
             return "\n".join("    {}".format(name) for name in sorted(images))