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Commands "cmd" and "sh"
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parent
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commit
fc7d1d5ec4
5 changed files with 96 additions and 4 deletions
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@ -13,7 +13,9 @@ from .subcommands import *
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SUBCOMMANDS = [
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InitCommand,
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ShowCommand,
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LogsCommand
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LogsCommand,
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CmdCommand,
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ShellCommand
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]
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@ -2,9 +2,13 @@
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from .init import InitCommand
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from .logs import LogsCommand
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from .show import ShowCommand
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from .cmd import CmdCommand
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from .shell import ShellCommand
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__all__ = [
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'InitCommand',
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'LogsCommand',
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'ShowCommand'
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'ShowCommand',
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'CmdCommand',
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'ShellCommand'
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]
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@ -43,13 +43,13 @@ class ProjectCommand(SubCommand):
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class ServiceCommand(ProjectCommand):
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"""this command concerns services in a project"""
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def __init__(self, name, **kwargs):
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def __init__(self, name, nargs='*', **kwargs):
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super().__init__(
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name,
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**kwargs
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)
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self._sub_parser.add_argument(
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'services', metavar='service', nargs='*', type=str,
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'services', metavar='service', nargs=nargs, type=str,
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help="select service(s) in a project"
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)
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29
src/kiwi/subcommands/cmd.py
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29
src/kiwi/subcommands/cmd.py
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@ -0,0 +1,29 @@
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# system
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import logging
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# local
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from ._subcommand import ProjectCommand
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from .utils.dockercommand import DockerCommand
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class CmdCommand(ProjectCommand):
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def __init__(self):
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super().__init__(
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'cmd',
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description="Run raw docker-compose command in a project"
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)
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# arguments for docker-compose command
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self._sub_parser.add_argument(
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'compose_cmd', metavar='cmd', type=str,
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help="runs `docker-compose <cmd>"
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)
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def run(self, config, args):
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try:
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import shlex
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DockerCommand('docker-compose').run(config, args, shlex.split(args.compose_cmd))
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except KeyboardInterrupt:
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logging.debug("Subprocess aborted.")
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print()
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57
src/kiwi/subcommands/shell.py
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57
src/kiwi/subcommands/shell.py
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@ -0,0 +1,57 @@
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# system
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import logging
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import subprocess
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# local
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from ._subcommand import ServiceCommand
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from .utils.dockercommand import DockerCommand
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def _service_has_shell(config, args, exec_service, try_shell):
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try:
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# test if desired shell exists
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DockerCommand('docker-compose').run(
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config, args, [*exec_service, '/bin/sh', '-c', f"which {try_shell}"],
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check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
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)
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return True
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except subprocess.CalledProcessError:
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# fallback
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logging.info(f"Shell '{try_shell}' not found in container")
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return False
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class ShellCommand(ServiceCommand):
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def __init__(self):
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super().__init__(
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'sh', 1,
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description="Spawn shell inside project's service"
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)
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# -s switch: Select shell
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self._sub_parser.add_argument(
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'-s', '--shell', type=str, default="/bin/bash",
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help="shell to spawn"
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)
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def run(self, config, args):
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try:
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exec_service = ['exec', args.services[0]]
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exec_shell = args.shell
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if not _service_has_shell(config, args, exec_service, exec_shell):
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# fallback
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exec_shell = '/bin/bash'
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if not _service_has_shell(config, args, exec_service, exec_shell):
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exec_shell = '/bin/sh'
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# spawn shell
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DockerCommand('docker-compose').run(
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config, args, [*exec_service, exec_shell]
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)
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except KeyboardInterrupt:
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logging.debug("Subprocess aborted.")
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print()
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