subcommand "copy-conf"

example/hello-world.project/conf/test.txt

@@ -0,0 +1 @@
+This is a test.

src/images/rsync.Dockerfile

@@ -0,0 +1,2 @@
+FROM alpine:latest
+RUN  apk --no-cache add rsync

src/kiwi/subcommands/__init__.py

@@ -1,5 +1,6 @@
 # local
 from .cmd import CmdCommand
+from .copy_conf import CopyConfCommand
 from .down import DownCommand
 from .init import InitCommand
 from .logs import LogsCommand
@@ -10,6 +11,7 @@ from .up import UpCommand
 
 __all__ = [
     'CmdCommand',
+    'CopyConfCommand',
     'DownCommand',
     'InitCommand',
     'LogsCommand',

src/kiwi/subcommands/copy_conf.py

@@ -0,0 +1,70 @@
+# system
+import logging
+import os
+import subprocess
+
+# parent
+from .._constants import KIWI_ROOT
+
+# local
+from ._subcommand import SubCommand
+from .utils.dockercommand import DockerCommand
+from .utils.project import list_projects, get_project_dir
+
+
+def _add_prefix(prefix, path):
+    abs_path = os.path.abspath(path)
+    return os.path.realpath(prefix + '/' + abs_path)
+
+
+class CopyConfCommand(SubCommand):
+    """kiwi copy-conf"""
+
+    def __init__(self):
+        super().__init__(
+            'copy-conf',
+            description="Synchronize all config files to target directory"
+        )
+
+    def run(self, runner, config, args):
+        logging.info("Building image kiwi-config/auxiliary:rsync")
+        DockerCommand('docker').run(
+            config, args,
+            [
+                'build',
+                '-t', 'kiwi-config/auxiliary:rsync',
+                '-f', f"{KIWI_ROOT}/images/rsync.Dockerfile",
+                f"{KIWI_ROOT}/images"
+            ],
+            stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
+        )
+
+        conf_sources = []
+
+        for project_name in list_projects(config):
+            project_conf = f"{get_project_dir(config, project_name)}/conf"
+
+            if os.path.isdir(project_conf):
+                conf_sources.append(project_conf)
+
+        if conf_sources:
+            print(f"Syncing {conf_sources} to '{config['runtime:storage']}'")
+            conf_sources = [f"'{_add_prefix('/mnt', src)}'" for src in conf_sources]
+            conf_sources = ' '.join(conf_sources)
+
+            conf_target = f"'{_add_prefix('/mnt', config['runtime:storage'])}'"
+            logging.debug(f"Config sources {conf_sources}, Config target {conf_target}")
+
+            DockerCommand('docker').run(
+                config, args,
+                [
+                    'run', '--rm',
+                    '-v', '/:/mnt',
+                    '-u', 'root',
+                    'kiwi-config/auxiliary:rsync',
+                    'ash', '-c', f"rsync -r {conf_sources} {conf_target}"
+                ],
+                stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
+            )
+
+        return True

src/kiwi/subcommands/utils/project.py

@@ -19,6 +19,12 @@ def get_project_dir(config, project_name):
     return f"{project_name}{config['markers:project']}"
 
 
+def get_target_dir(config, project_name):
+    """get project's target directory"""
+
+    return f"{config['runtime:storage']}{get_project_dir(config, project_name)}"
+
+
 def list_projects(config):
     """list projects in current instance"""