"copy-conf" -> "conf-copy", subcommand "conf-purge", constants centralization

src/kiwi/_constants.py

@@ -1,7 +1,33 @@
 # system
 import os
 
+
+#############
+# ENVIRONMENT
+
 # location of "src" directory to use
 KIWI_ROOT = os.getenv('KIWI_ROOT', ".")
 # default name of kiwi-config file
 KIWI_CONF_NAME = os.getenv('KIWI_CONF_NAME', "kiwi.yml")
+
+
+############
+# FILE NAMES
+
+# text files inside kiwi-config "src" directory
+HEADER_KIWI_CONF_NAME = f"{KIWI_ROOT}/kiwi_header.yml"
+DEFAULT_KIWI_CONF_NAME = f"{KIWI_ROOT}/kiwi_default.yml"
+VERSION_TAG_NAME = f"{KIWI_ROOT}/version-tag"
+
+# special config directory in projects
+CONF_DIRECTORY_NAME = 'conf'
+# location for auxiliary Dockerfiles
+IMAGES_DIRECTORY_NAME = f"{KIWI_ROOT}/images"
+
+
+####################
+# DOCKER IMAGE NAMES
+
+# name for auxiliary docker images
+LOCAL_IMAGES_NAME = 'localhost/kiwi-config/auxiliary'
+DEFAULT_IMAGE_NAME = 'alpine:latest'

src/kiwi/config.py

@@ -6,15 +6,7 @@ import re
 import yaml
 
 # local
-from ._constants import KIWI_ROOT, KIWI_CONF_NAME
-
-###########
-# CONSTANTS
-
-# text files inside kiwi-config "src" directory
-HEADER_KIWI_CONF_NAME = f"{KIWI_ROOT}/kiwi_header.yml"
-DEFAULT_KIWI_CONF_NAME = f"{KIWI_ROOT}/kiwi_default.yml"
-VERSION_TAG_NAME = f"{KIWI_ROOT}/version-tag"
+from ._constants import KIWI_CONF_NAME, HEADER_KIWI_CONF_NAME, DEFAULT_KIWI_CONF_NAME, VERSION_TAG_NAME
 
 
 class Config:

src/kiwi/subcommands/__init__.py

@@ -1,6 +1,6 @@
 # local
 from .cmd import CmdCommand
-from .copy_conf import CopyConfCommand
+from .conf import ConfCopyCommand, ConfPurgeCommand
 from .down import DownCommand
 from .init import InitCommand
 from .logs import LogsCommand
@@ -11,7 +11,8 @@ from .up import UpCommand
 
 __all__ = [
     'CmdCommand',
-    'CopyConfCommand',
+    'ConfCopyCommand',
+    'ConfPurgeCommand',
     'DownCommand',
     'InitCommand',
     'LogsCommand',

src/kiwi/subcommands/conf.py

@@ -4,26 +4,20 @@ import os
 import subprocess
 
 # parent
-from .._constants import KIWI_ROOT
+from .._constants import CONF_DIRECTORY_NAME
 
 # local
 from ._subcommand import SubCommand
-from .utils.dockercommand import DockerCommand
 from .utils.project import list_projects, get_project_dir
-from .utils.rootkit import Rootkit, prefix_path
+from .utils.rootkit import Rootkit, _prefix_path_mnt
 
 
-def _add_prefix(prefix, path):
-    abs_path = os.path.abspath(path)
-    return os.path.realpath(prefix + '/' + abs_path)
-
-
-class CopyConfCommand(SubCommand):
-    """kiwi copy-conf"""
+class ConfCopyCommand(SubCommand):
+    """kiwi conf-copy"""
 
     def __init__(self):
         super().__init__(
-            'copy-conf',
+            'conf-copy',
             description="Synchronize all config files to target directory"
         )
 
@@ -31,7 +25,7 @@ class CopyConfCommand(SubCommand):
         conf_dirs = []
 
         for project_name in list_projects(config):
-            project_conf = f"{get_project_dir(config, project_name)}/conf"
+            project_conf = f"{get_project_dir(config, project_name)}/{CONF_DIRECTORY_NAME}"
 
             if os.path.isdir(project_conf):
                 conf_dirs.append(project_conf)
@@ -42,7 +36,28 @@ class CopyConfCommand(SubCommand):
             logging.info(f"Sync directories: {conf_dirs}")
 
             Rootkit('rsync').run(
-                config, args, ['rsync', '-r', *prefix_path(conf_dirs)],
+                config, args, ['rsync', '-r', *_prefix_path_mnt(conf_dirs)],
+                stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
+            )
+
+        return True
+
+
+class ConfPurgeCommand(SubCommand):
+    """kiwi conf-purge"""
+
+    def __init__(self):
+        super().__init__(
+            'conf-purge',
+            description="Remove all config files in target directory"
+        )
+
+    def run(self, runner, config, args):
+        conf_target = f"{config['runtime:storage']}/{CONF_DIRECTORY_NAME}"
+        logging.info(f"Purging directories: {conf_target}")
+
+        Rootkit().run(
+            config, args, ['rm', '-rf', _prefix_path_mnt(conf_target)],
             stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
         )
 

src/kiwi/subcommands/utils/dockercommand.py

@@ -1,9 +1,9 @@
 # system
 import logging
-import os
 import subprocess
 
 # local
+from ..._constants import CONF_DIRECTORY_NAME
 from .executable import Executable
 from .project import *
 
@@ -23,7 +23,7 @@ def _update_kwargs(config, args, **kwargs):
         kwargs['env'].update({
             'COMPOSE_PROJECT_NAME': project_name,
             'KIWI_HUB_NAME': config['network:name'],
-            'CONFDIR': os.path.join(config['runtime:storage'], 'conf'),
+            'CONFDIR': os.path.join(config['runtime:storage'], CONF_DIRECTORY_NAME),
             'TARGETDIR': os.path.join(config['runtime:storage'], get_project_dir(config, project_name))
         })
 

src/kiwi/subcommands/utils/rootkit.py

@@ -4,29 +4,29 @@ import os
 import subprocess
 
 # parent
-from ..._constants import KIWI_ROOT
+from ..._constants import IMAGES_DIRECTORY_NAME, LOCAL_IMAGES_NAME, DEFAULT_IMAGE_NAME
 
 # local
 from .dockercommand import DockerCommand
 
 
 def _prefix_path(prefix, path):
-    abs_path = os.path.abspath(path)
-    return os.path.realpath(prefix + '/' + abs_path)
-
-
-def prefix_path(path):
     if isinstance(path, str):
-        return _prefix_path('/mnt/', path)
+        abs_path = os.path.abspath(path)
+        return os.path.realpath(f"{prefix}/{abs_path}")
     elif isinstance(path, list):
-        return [_prefix_path('/mnt/', p) for p in path]
+        return [_prefix_path(prefix, p) for p in path]
+
+
+def _prefix_path_mnt(path):
+    return _prefix_path('/mnt/', path)
 
 
 def _image_name(image_tag):
     if image_tag is not None:
-        return f"kiwi-config/auxiliary:{image_tag}"
+        return f"{LOCAL_IMAGES_NAME}:{image_tag}"
     else:
-        return "alpine:latest"
+        return DEFAULT_IMAGE_NAME
 
 
 class Rootkit:
@@ -66,8 +66,8 @@ class Rootkit:
                         [
                             'build',
                             '-t', _image_name(self.__image_tag),
-                            '-f', f"{KIWI_ROOT}/images/{self.__image_tag}.Dockerfile",
-                            f"{KIWI_ROOT}/images"
+                            '-f', f"{IMAGES_DIRECTORY_NAME}/{self.__image_tag}.Dockerfile",
+                            f"{IMAGES_DIRECTORY_NAME}"
                         ],
                         stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
                     )