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net-up and net-down functionality

This commit is contained in:
Jörn-Michael Miehe 2022-02-21 16:42:12 +01:00
parent 67f495d072
commit 52d54eddad
5 changed files with 57 additions and 60 deletions

View file

@ -36,8 +36,7 @@ class DownCommand(KiwiCommand):
return
super().run_for_instance(instance)
# TODO net-down
instance.remove_net()
@classmethod
def run_for_project(cls, instance: Instance, project: Project, **kwargs) -> None:

View file

@ -20,9 +20,6 @@ class UpCommand(KiwiCommand):
@classmethod
def run_for_filtered_services(cls, instance: Instance, project: Project, services: Services,
new_service_names: List[str], **kwargs) -> None:
# TODO conf-copy
# TODO net-up
if not services:
if not click.confirm(
"Did not find any of those services. \n"
@ -31,4 +28,7 @@ class UpCommand(KiwiCommand):
):
return
instance.create_net()
services.copy_configs()
COMPOSE_EXE.run(["up", "-d", *services.names], **project.process_kwargs)

View file

@ -1,3 +1,5 @@
import logging
import subprocess
from pathlib import Path
from typing import Generator, Dict, Sequence
@ -5,8 +7,11 @@ import attr
from ._constants import KIWI_CONF_NAME, CONFIG_DIRECTORY_NAME
from .config import KiwiConfig
from .executable import DOCKER_EXE
from .project import Project
_logger = logging.getLogger(__name__)
@attr.s
class Instance:
@ -30,6 +35,54 @@ class Instance:
def storage_config_directory(self):
return self.config.storage.directory.joinpath(CONFIG_DIRECTORY_NAME)
@staticmethod
def __find_net(net_name):
ps = DOCKER_EXE.run([
"network", "ls", "--filter", f"name={net_name}", "--format", "{{.Name}}"
], stdout=subprocess.PIPE)
net_found = str(ps.stdout, 'utf-8').strip()
return net_found == net_name
def create_net(self):
net_name = self.config.network.name
net_cidr = str(self.config.network.cidr)
if self.__find_net(net_name):
_logger.info(f"Network '{net_name}' already exists")
return
try:
DOCKER_EXE.run([
"network", "create",
"--driver", "bridge",
"--internal",
"--subnet", net_cidr,
net_name
], check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
_logger.info(f"Network '{net_name}' created")
except subprocess.CalledProcessError:
_logger.error(f"Error creating network '{net_name}'")
def remove_net(self):
net_name = self.config.network.name
if not self.__find_net(net_name):
_logger.info(f"Network '{net_name}' does not exist")
return
try:
DOCKER_EXE.run([
"network", "rm",
net_name
], check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
_logger.info(f"Network '{net_name}' removed")
except subprocess.CalledProcessError:
_logger.error(f"Error removing network '{net_name}'")
@property
def projects(self) -> Generator[Project, None, None]:
for project in self.config.projects:

View file

@ -11,7 +11,6 @@ from ruamel.yaml import CommentedMap
from .executable import COMPOSE_EXE
if TYPE_CHECKING:
from .instance import Instance
from .project import Project
_logger = logging.getLogger(__name__)

View file

@ -1,54 +0,0 @@
# system
import logging
import subprocess
# local
from ..config import LoadedConfig
from ..executable import Executable
from ..subcommand import SubCommand
def _find_net(net_name):
ps = Executable('docker').run([
'network', 'ls', '--filter', f"name={net_name}", '--format', '{{.Name}}'
], stdout=subprocess.PIPE)
net_found = str(ps.stdout, 'utf-8').strip()
return net_found == net_name
class NetUpCommand(SubCommand):
"""kiwi net-up"""
def __init__(self):
super().__init__(
'net-up',
action="Creating the local network hub for", add_parser=False,
description="Create the local network hub for this instance"
)
def _run_instance(self, runner, args):
config = LoadedConfig.get()
net_name = config['network:name']
net_cidr = config['network:cidr']
if _find_net(net_name):
logging.info(f"Network '{net_name}' already exists")
return True
try:
Executable('docker').run([
'network', 'create',
'--driver', 'bridge',
'--internal',
'--subnet', net_cidr,
net_name
], check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
logging.info(f"Network '{net_name}' created")
except subprocess.CalledProcessError:
logging.error(f"Error creating network '{net_name}'")
return False
return True