subcommand "list"

src/kiwi/subcommands/__init__.py

@@ -6,6 +6,7 @@ from .disable import DisableCommand
 from .down import DownCommand
 from .enable import EnableCommand
 from .init import InitCommand
+from .list import ListCommand
 from .logs import LogsCommand
 from .net import NetUpCommand, NetDownCommand
 from .new import NewCommand
@@ -25,6 +26,7 @@ __all__ = [
     'DownCommand',
     'EnableCommand',
     'InitCommand',
+    'ListCommand',
     'LogsCommand',
     'NetUpCommand',
     'NetDownCommand',

src/kiwi/subcommands/list.py

@@ -0,0 +1,77 @@
+# system
+import logging
+import os
+import subprocess
+
+# local
+from ._subcommand import FlexCommand
+from .utils.dockercommand import DockerCommand
+from .utils.misc import list_projects, get_first_project_name, get_project_dir
+
+
+def _print_list(strings):
+    if isinstance(strings, list):
+        for string in strings:
+            print(f" - {string}")
+
+    elif isinstance(strings, str):
+        _print_list(strings.strip().split('\n'))
+
+    elif isinstance(strings, bytes):
+        _print_list(str(strings, 'utf-8'))
+
+
+class ListCommand(FlexCommand):
+    """kiwi list"""
+
+    def __init__(self):
+        super().__init__(
+            'list', "Listing",
+            description="List projects in this instance, services inside a project or service(s) inside a project"
+        )
+
+    def _run_instance(self, runner, config, args):
+        print(f"Projects in instance {os.getcwd()}:")
+        print("")
+
+        _print_list(list_projects(config))
+
+        return True
+
+    def _run_project(self, runner, config, args):
+        project_name = get_first_project_name(args)
+        print(f"Services in project '{project_name}':")
+        print("")
+
+        ps = DockerCommand('docker-compose').run(
+            config, args, ['config', '--services'],
+            stdout=subprocess.PIPE
+        )
+        _print_list(ps.stdout)
+
+        return True
+
+    def _run_services(self, runner, config, args, services):
+        import yaml
+
+        project_name = get_first_project_name(args)
+        project_dir = get_project_dir(config, project_name)
+        print(f"Configuration of services {services} in project '{project_name}':")
+        print("")
+
+        with open(os.path.join(project_dir, 'docker-compose.yml'), 'r') as stream:
+            try:
+                docker_compose_yml = yaml.safe_load(stream)
+
+                for service_name in services:
+                    print(yaml.dump(
+                        {service_name: docker_compose_yml['services'][service_name]},
+                        default_flow_style=False, sort_keys=False
+                    ).strip())
+
+                return True
+
+            except yaml.YAMLError as exc:
+                logging.error(exc)
+
+        return False