kiwi-scp/src/kiwi/subcommands/_subcommand.py
2020-08-18 15:56:22 +02:00

122 lines
3.3 KiB
Python

# system
import logging
# local
from .utils.misc import get_first_project_name, get_services, list_projects
# parent
from ..parser import Parser
class SubCommand:
"""represents kiwi [anything] command"""
# actual command string
__name = None
# command parser
_sub_parser = None
def __init__(self, name, **kwargs):
self.__name = name
self._sub_parser = Parser().get_subparsers().add_parser(
name,
**kwargs
)
def __str__(self):
return self.__name
def run(self, runner, config, args):
"""actually run command with this dir's config and parsed CLI args"""
pass
class ProjectCommand(SubCommand):
"""this command concerns a project in current instance"""
def __init__(self, name, num_projects, **kwargs):
super().__init__(
name,
**kwargs
)
projects = "a project"
if not num_projects == 1:
projects = "project(s)"
self._sub_parser.add_argument(
'projects', metavar='project', nargs=num_projects, type=str,
help=f"select {projects} in this instance"
)
class ServiceCommand(ProjectCommand):
"""this command concerns service(s) in a project"""
def __init__(self, name, num_projects, num_services, **kwargs):
super().__init__(
name, num_projects=num_projects,
**kwargs
)
services = "a service"
if not num_services == 1:
services = "service(s)"
self._sub_parser.add_argument(
'services', metavar='service', nargs=num_services, type=str,
help=f"select {services} in a project"
)
class FlexCommand(ServiceCommand):
"""this command concerns the entire instance, a whole project or just service(s) in a project"""
__action = None
def __init__(self, name, action='', **kwargs):
super().__init__(
name, num_projects='?', num_services='*',
**kwargs
)
if not action:
# default action string
self.__action = f"Running '{str(self)}' for"
else:
self.__action = action
def _run_instance(self, runner, config, args):
result = True
for project_name in list_projects(config):
args.projects = project_name
result &= runner.run(str(self))
return result
def _run_project(self, runner, config, args):
return self._run_services(runner, config, args, [])
def _run_services(self, runner, config, args, services):
pass
def run(self, runner, config, args):
project_name = get_first_project_name(args)
services = get_services(args)
if project_name is None:
# no project given, run for entire instance
logging.info(f"{self.__action} this instance")
return self._run_instance(runner, config, args)
if not services:
# no services given, run for whole project
logging.info(f"{self.__action} project '{project_name}'")
return self._run_project(runner, config, args)
# run for service(s) inside project
logging.info(f"{self.__action} services {services} in project '{project_name}'")
return self._run_services(runner, config, args, services)