44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
"""Remote client command for pausing processes in containers."""
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import sys
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import podman
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from pypodman.lib import AbstractActionBase
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class Pause(AbstractActionBase):
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"""Class for pausing processes in container."""
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@classmethod
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def subparser(cls, parent):
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"""Add Pause command to parent parser."""
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parser = parent.add_parser('pause', help='pause container processes')
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parser.add_argument(
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'containers',
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nargs='+',
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help='containers to pause',
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)
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parser.set_defaults(class_=cls, method='pause')
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def pause(self):
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"""Pause provided containers."""
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try:
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for ident in self._args.containers:
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try:
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ctnr = self.client.containers.get(ident)
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ctnr.pause()
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except podman.ContainerNotFound as e:
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sys.stdout.flush()
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print(
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'Container "{}" not found'.format(e.name),
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file=sys.stderr,
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flush=True)
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else:
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print(ident)
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except podman.ErrorOccurred as e:
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sys.stdout.flush()
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print(
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'{}'.format(e.reason).capitalize(),
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file=sys.stderr,
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flush=True)
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return 1
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