57 lines
1.6 KiB
Python
57 lines
1.6 KiB
Python
# 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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